{"title":"NEW ARRIVALS","description":"","products":[{"product_id":"new-waterproof-remote-vx5-5000mah-with-high-resolution-display-for-electric-surfboard-electric-skateboard","title":"Firduo VX5 Waterproof Remote 5000mAh for Electric Surfboard \u0026 Skateboard","description":"\u003ch3\u003e🎮 Total Control. Zero Compromise.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo VX5 Waterproof Remote Controller\u003c\/strong\u003e is the most advanced handheld remote in the Firduo lineup — engineered for riders who demand precision, reliability, and long-range performance on the water and on the road. With an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e, a massive \u003cstrong\u003e5000mAh battery\u003c\/strong\u003e delivering up to 20 hours of use, and integrated \u003cstrong\u003eBeidou\/GPS\/GNSS positioning\u003c\/strong\u003e for real-time speed data, the VX5 puts professional-grade control in your hand.\u003c\/p\u003e\n\u003cp\u003eAvailable in Black and Transparent variants. Compatible with VESC, FTESC, FOCBOX, and PPM-based ESCs — making it the ideal upgrade remote for eFoil, electric surfboard, electric skateboard, and e-scooter builds.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIP68 Waterproof Rating\u003c\/strong\u003e — fully submersible, built for water sports use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5000mAh Battery\u003c\/strong\u003e — up to 20 hours continuous use per charge\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBeidou + GPS + GNSS Integrated\u003c\/strong\u003e — high-precision real-time speed measurement\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Resolution Display\u003c\/strong\u003e — clear, detailed data readout in lighting conditions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Precision Encoder Throttle\u003c\/strong\u003e — smooth, accurate throttle response with zero dead zones\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFloats in Water\u003c\/strong\u003e — internal large-cavity design provides natural buoyancy without a float rope\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eErgonomic Button Layout\u003c\/strong\u003e — reduces hand fatigue during extended sessions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eM6 Nut Mount on Bottom\u003c\/strong\u003e — attach flashlights, cameras, or accessories easily\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFirmware OTA Upgrade\u003c\/strong\u003e — update remotely without cables\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Protocol ESC Support\u003c\/strong\u003e — VESC, FTESC, FOCBOX, PPM compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTrilingual UI\u003c\/strong\u003e — Chinese, English, Russian display support\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReal-Time Charging Power Display\u003c\/strong\u003e — monitor charge status at a glance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/468ef44610c31b5b50b747b4f9f5ee49_d8c5a89f-aeba-45c3-9b60-8aa09db23ebb_1024x1024.jpg?v=1761721970\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVX5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP68 (fully submersible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5000mAh (high-quality cells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositioning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeidou + GPS + GNSS integrated module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrottle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-precision encoder chip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-resolution integrated screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRiding Data Records\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 11 sessions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Fault Log\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStores up to 20 fault alarm codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrottle Gears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL \/ M \/ H (3 gears, configurable throttle %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurfboard Power Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 levels in surfboard mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto-Lock Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiple throttle auto-lock modes supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrottle Curve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePreset throttle curve + response time adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC, FTESC, FOCBOX, PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLanguages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChinese, English, Russian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime Sync\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS automatic time calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSatellite Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReal-time satellite count shown on screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOTA online upgrade supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessory Mount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM6 nut on bottom for camera\/flashlight attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuoyancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFloats without float rope (internal cavity design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/21_1024x1024.jpg?v=1761722017\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× VX5 Waterproof Remote Controller (Black or Transparent)\u003c\/li\u003e\n\u003cli\u003e1× VX5 Receiver\u003c\/li\u003e\n\u003cli\u003e1× Charging Cable\u003c\/li\u003e\n\u003cli\u003e1× User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Electric Surfboard\u003c\/strong\u003e — use Surfboard Mode with up to 20 power levels for precise speed control on water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Skateboard \/ E-Scooter\u003c\/strong\u003e — use E-Skateboard Mode with L\/M\/H gear switching for street riding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC\u003c\/strong\u003e: \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca style=\"color: rgb(0, 0, 255); text-decoration: underline;\" href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003eFirduo Manatee 100 Pro VESC\u003c\/a\u003e\u003c\/span\u003e — UART\/PPM compatible, waterproof to 5m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete eFoil Kit\u003c\/strong\u003e: \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" title=\"Firduo FD75200 75V 200A Water-Cooled ESC – VESC Compatible For E-Foil\" rel=\"noopener\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003eFD75200 VESC\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e+\u003ca href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/fd06-120a-screw-hole-connector\" title=\"Firduo Brushless Inrunner Motor 75141 100KV 9KW for Efoil \u0026amp; Jetboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e75141-100KV\u003c\/span\u003e\u003c\/span\u003e \u003c\/a\u003e— ESC + MOTOR+ Remote bundle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso compatible with\u003c\/strong\u003e: FTESC, FOCBOX, and any PPM-signal ESC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge the remote\u003c\/strong\u003e — use the included charging cable. The display shows real-time charging power. Fully charge before first use (approximately 2–3 hours from empty).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the receiver to your ESC\u003c\/strong\u003e — plug the VX5 receiver into your ESC's PPM or UART signal port. Refer to the receiver connection diagram in the manual for your specific ESC type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower on ESC first, then remote\u003c\/strong\u003e — always power on the ESC before the remote to ensure correct pairing sequence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect your riding mode\u003c\/strong\u003e — choose Surfboard Mode (eFoil\/electric surfboard) or E-Skateboard Mode from the main menu. Each mode has independent throttle curve and gear settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure throttle gears\u003c\/strong\u003e — set L\/M\/H throttle percentages to match your riding style and battery capacity. Start with L gear for first sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnable auto-lock if needed\u003c\/strong\u003e — configure throttle auto-lock mode to prevent accidental throttle activation when the remote is not in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdate firmware (optional)\u003c\/strong\u003e — connect to the VX5 app or online upgrade portal to check for the latest firmware. OTA updates take under 5 minutes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is the VX5 truly waterproof? Can I use it in the ocean?\u003c\/strong\u003e\u003cbr\u003eYes. The VX5 carries an IP68 waterproof rating, meaning it is fully sealed against continuous submersion. It is designed for water sports use including eFoil, electric surfboard, and kayak applications in both freshwater and saltwater. The internal large-cavity design also allows the remote to float naturally if dropped in water — no float rope required. Rinse with fresh water after saltwater use to extend service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Which ESCs is the VX5 compatible with?\u003c\/strong\u003e\u003cbr\u003eThe VX5 supports VESC, FTESC, FOCBOX, and PPM-based ESCs. It is fully compatible with the Firduo Manatee 100 Pro VESC via UART or PPM connection. If you're unsure whether your ESC is compatible, contact us with your ESC model and we'll confirm before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How long does the battery last, and how do I charge it?\u003c\/strong\u003e\u003cbr\u003eThe 5000mAh battery provides up to 20 hours of continuous use per charge — significantly longer than most competing remotes. Charge using the included cable; the display shows real-time charging power so you always know the status. A full charge from empty takes approximately 2–3 hours. The built-in high-precision battery meter shows remaining charge accurately on the display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What's the difference between Surfboard Mode and E-Skateboard Mode?\u003c\/strong\u003e\u003cbr\u003eSurfboard Mode is optimized for water sports — it supports up to 20 power levels for fine-grained speed control, which is critical for eFoil balance and wave riding. E-Skateboard Mode uses L\/M\/H gear switching with configurable throttle percentages, better suited for street riding where quick gear changes are more important than fine power gradation. Both modes support throttle curve presets and auto-lock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I update the firmware, and how?\u003c\/strong\u003e\u003cbr\u003eYes. The VX5 supports OTA (over-the-air) firmware upgrades — no cables or special tools required. Connect to the upgrade portal via the VX5 app or follow the instructions in the manual. Firmware updates add new features, fix bugs, and improve ESC compatibility. We recommend checking for updates after initial setup and periodically thereafter.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/18_cabbf6e5-820f-40cb-b4df-d0ca43dbaa43_1024x1024.jpg?v=1761722016\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"Black","offer_id":46660732190898,"sku":"VX5-1","price":206.0,"currency_code":"USD","in_stock":true},{"title":"Transparent","offer_id":46660732223666,"sku":"VX5-2","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/10_dcb14a6e-791c-4d77-9e1b-2c88b880a200.jpg?v=1761723065"},{"product_id":"firduo-sensorless-brushless-motor-fully-waterproof-motor-56115-150kv-2400w-for-surfing-boat-underwater-thruster-hydro-efoil","title":"Firduo Waterproof Brushless Motor 56115 150KV 2400W for Efoil \u0026 Underwater Thruster","description":"\u003ch3\u003e🌊 Compact. Powerful. Built for Water.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 56115 150KV 2400W Waterproof Brushless Motor\u003c\/strong\u003e is a high-efficiency, IP68-rated underwater motor engineered for eFoil, underwater thruster, ROV, and custom electric watercraft applications. With a \u003cstrong\u003e12N\/4P internal structure\u003c\/strong\u003e, \u003cstrong\u003elong threaded shaft (Φ10mm)\u003c\/strong\u003e, and \u003cstrong\u003e18.3 KGF of thrust at 48V\/30A\u003c\/strong\u003e, the 56115 delivers exceptional thrust-to-weight performance in a compact 1.5kg package.\u003c\/p\u003e\n\u003cp\u003eAvailable in two variants: \u003cstrong\u003eMotor only\u003c\/strong\u003e for builders with existing propellers, and \u003cstrong\u003eMotor + Propeller\u003c\/strong\u003e for a complete drive unit ready to install. The 3×12AWG phase leads with 4.5mm connectors and 4mm banana plug shaft interface make integration straightforward with any compatible ESC.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e2400W Peak \/ 1200W Rated Power\u003c\/strong\u003e — high power density in a compact 56mm diameter form factor\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18.3 KGF Thrust @ 48V\/30A\u003c\/strong\u003e — exceptional thrust for eFoil and underwater thruster applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIP68 Waterproof\u003c\/strong\u003e — fully sealed for continuous underwater operation in salt and fresh water\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e150KV Rating\u003c\/strong\u003e — optimized for 6S–14S (25.2–58.8V) battery systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e12N\/4P Internal Structure\u003c\/strong\u003e — smooth, efficient power delivery across the RPM range\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3×12AWG Phase Leads with 4.5mm Connectors\u003c\/strong\u003e — low-resistance wiring for high-current operation\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4mm Banana Plug (Male)\u003c\/strong\u003e — standard connector for easy ESC integration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLightweight: 1.5kg\u003c\/strong\u003e — minimal weight penalty for foil and thruster builds\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMotor + Propeller Option\u003c\/strong\u003e — complete drive unit available for immediate installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6S–14S (25.2–58.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12N\/4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrust @ 48V\/30A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.3 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrust @ 48V\/60A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e123 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInductance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase Leads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3×12AWG, 4mm connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC600V \/ 10mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4mm gold-plated connector (male)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Spec\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eΦ10mm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/56115_-_1_1024x1024.jpg?v=1761726163\" alt=\"Firduo 56115 150KV Motor Long Thread Shaft Dimension Drawing\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch4\u003eThrust Performance (48V Drive)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eLoad Current (A)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eThrust (KGF)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003ctd\u003e9 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e14 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003ctd\u003e18.3 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003ctd\u003e22 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003ctd\u003e25 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60A\u003c\/td\u003e\n\u003ctd\u003e27 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70A\u003c\/td\u003e\n\u003ctd\u003e30 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80A\u003c\/td\u003e\n\u003ctd\u003e32 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/56115_150KV_-48V-75200.jpg?v=1761726162\" alt=\"Firduo 56115 150KV Motor Characteristic Curve Thrust vs Current 48V\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor variant\u003c\/strong\u003e:\u003c\/li\u003e\n\u003cli\u003e1× Firduo 56115 Motor\u003c\/li\u003e\n\u003cli\u003e3×4mm gold-plated connector (female)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor + Propeller variant\u003c\/strong\u003e:\u003c\/li\u003e\n\u003cli\u003e1× Firduo 56115 Motor (Include：3×4mm gold-plated connector (female)) \u003c\/li\u003e\n\u003cli\u003e1× Matched Propeller（(Includes installation accessories)）\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ ESC not included.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/Fl-PC-65A001---_3.8.jpg?v=1761797568\" alt=\"Firduo 56115 Motor Propeller Drawing Dimension Specification\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil\u003c\/strong\u003e — compact 56mm diameter fits tight mast pod installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderwater Thruster \/ ROV \/ AUV\u003c\/strong\u003e — IP68 sealed for continuous submersion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — 2400W peak for lightweight board builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255); text-decoration: underline;\"\u003eFirduo Manatee 100 PRO 75V 100A VESC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e — waterproof case, 100A continuous, VESC open-source, matched for 56115 voltage range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo VX3 Waterproof Remote UART \u0026amp; PWM for Efoil \u0026amp; Electric Surfboard\" href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eFirduo VX3 IP67 Waterproof Remote\u003c\/span\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/a\u003e— UART + PPM\/PWM, 1.6-inch display, cruise control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-250a-power-waterproof-connector-for-electric-hydrofoil-boat-surfboard-thruster-ejet-board-electric-bike?variant=45144866029746\" title=\"Firduo 120A-250A Waterproof Power Connector for Efoil \u0026amp; Surfboard \u0026amp; Electric Bike\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eFirduo 120A–250A Waterproof Power Connector\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e — FD06-120A for battery-to-ESC sealed connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion pack, minimum 40A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect your variant\u003c\/strong\u003e — choose \u003cem\u003eMotor only\u003c\/em\u003e if you have an existing propeller; choose \u003cem\u003eMotor + Propeller\u003c\/em\u003e for a complete drive unit. Verify your propeller hub matches the Φ10mm shaft before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 56115 into your motor mount, thruster housing, or mast pod. The long threaded shaft allows direct propeller attachment. Route the 3×12AWG phase leads away from the propeller arc and any moving parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor to ESC\u003c\/strong\u003e — plug the 3× 4mm phase connectors into your ESC phase outputs (A-B-C). Rotation direction can be corrected in VESC Tool or by swapping any two phase wires — no motor rewiring required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect ESC to battery\u003c\/strong\u003e — use a high-current connector rated for 60A+ (Firduo 120A–250A waterproof connector recommended). Verify battery voltage is within 25.2–58.8V (6S–14S). Use an anti-spark switch or pre-charge resistor to prevent connector arcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect remote receiver to ESC\u003c\/strong\u003e — for UART mode (VESC ESC): connect receiver TX→ESC RX, RX→ESC TX, power from ESC 5V BEC. For PPM mode: connect signal wire to ESC PPM input. UART mode enables full telemetry on the VX3 display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure ESC via VESC Tool\u003c\/strong\u003e — connect via USB, run motor auto-detection wizard for the 56115, set current limits (30A rated \/ 60A max), configure throttle curve, and set protection thresholds. Contact our support team for a pre-configured setup file.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 10–20A in calm water. Verify smooth operation, check for vibration or unusual noise, and confirm all connections are sealed before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between the 56115 and the 65111\/65162 motors?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e56115\u003c\/strong\u003e (56mm diameter, 115mm length) is a more compact, lighter motor (1.5kg) suited for smaller builds, lighter boards, and applications where size and weight are critical — such as ROV, AUV, and compact eFoil builds. The \u003cstrong\u003e65111\u003c\/strong\u003e (65mm diameter) offers 2KW peak in a slightly larger package, and the \u003cstrong\u003e65162\u003c\/strong\u003e (65mm, 162mm length) delivers 7.2KW for high-performance eFoil and heavy-rider builds. Choose 56115 for compact\/lightweight; choose 65111 or 65162 for higher power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is the 56115 compatible with the TUNA thruster steady?\u003c\/strong\u003e\u003cbr\u003eThe TUNA A1 and A2 thruster systems use a motor with a similar shaft specification.  However, the TUNA housing is designed around a specific motor OD （65mm）.Additionally, the mounting holes do not match, so they are incompatible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What ESC do I need for the 56115?\u003c\/strong\u003e\u003cbr\u003eYou need an ESC rated for at least \u003cstrong\u003e30A continuous at 6S–14S (25.2–58.8V)\u003c\/strong\u003e. Any VESC-compatible ESC in this range will work. The \u003ca rel=\"noopener\" title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255); text-decoration: underline;\"\u003eFirduo Manatee 100 PRO 75V 100A VESC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e is a proven pairing — it provides headroom above the 56115's 60A max current and full VESC Tool configurability. For simpler builds, any hobby-grade ESC rated for the voltage and current will work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the motor truly IP68? Can I run it continuously underwater?\u003c\/strong\u003e\u003cbr\u003eYes. The 56115 is rated \u003cstrong\u003eIP68\u003c\/strong\u003e — fully sealed for continuous underwater operation in both fresh and saltwater. The motor relies on natural water flow for passive cooling during operation. Avoid running the motor out of water for extended periods at high power, as the passive cooling depends on water flow. Brief out-of-water testing at low power is acceptable for connection verification. After saltwater use, rinse with fresh water to remove salt residue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What propeller should I use, and what does the Motor + Propeller variant include?\u003c\/strong\u003e\u003cbr\u003eThe \u003cem\u003eMotor + Propeller\u003c\/em\u003e variant includes a matched propeller optimized for the 56115's thrust curve at 48V. The propeller hub is designed for the Φ10mm threaded shaft. If you select the \u003cem\u003eMotor only\u003c\/em\u003e variant, ensure your propeller hub matches the Φ10mm shaft diameter and thread specification. For custom builds, contact us with your target voltage, current, and application (eFoil, thruster, ROV) and we'll recommend the optimal propeller pitch and diameter.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/430a96078c80bcde95dde4af4378318c.jpg?v=1761804452\" alt=\"Firduo 56115 Motor Application eFoil Underwater Thruster ROV Electric Surfboard\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"Motor","offer_id":46663595327666,"sku":"56115-1","price":142.0,"currency_code":"USD","in_stock":true},{"title":"Motor + Propeller","offer_id":46663595360434,"sku":"56115-2","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_026cfe67-c6d8-434f-a79d-3c01ee5bacef.jpg?v=1761725494"},{"product_id":"waterproof-brushless-dc-6374-motor-140kv-3600w-for-surfing-boat-underwater-thruster-hydro-efoil","title":"Firduo 6374 Brushless Motor 140KV 3600W | Waterproof for eFoil \u0026 Underwater Thruster","description":"\u003ch2\u003e🌊 Compact Power. Full Waterproof. Ready to Ride.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 6374 140KV\u003c\/strong\u003e is a high-efficiency waterproof brushless motor purpose-built for eFoil, underwater thrusters, electric surfboards, and ROV\/AUV applications. Delivering \u003cstrong\u003e3600W peak power\u003c\/strong\u003e in a compact 63×74mm form factor, with \u003cstrong\u003eIP58 waterproof rating\u003c\/strong\u003e and ceramic bearings for continuous submersion, it's the ideal choice for builders who need reliable propulsion without the bulk. The long-thread Φ10mm shaft and 1300mm pre-wired leads make installation straightforward in most DIY mast and thruster tube configurations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3600W Peak Power\u003c\/strong\u003e — 2400W rated, optimized for sustained eFoil and thruster loads\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIP58 Waterproof\u003c\/strong\u003e — ceramic bearings for continuous fresh and salt water submersion\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: 6S–16S (25.2–67.2V)\u003c\/strong\u003e — compatible with most LiPo\/Li-ion packs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e12N\/14P Construction\u003c\/strong\u003e — smooth, efficient torque across the full RPM range\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLong-Thread Shaft Φ10mm\u003c\/strong\u003e — direct propeller mount, no adapter required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1300mm 12AWG Phase Wires\u003c\/strong\u003e — long enough for mast and thruster tube routing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4mm gold connector (male)\u003c\/strong\u003e — direct fit to most VESC ESC phase outputs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact 63×74mm form factor\u003c\/strong\u003e — fits tighter builds vs. the 6384\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMotor + Propeller bundle available\u003c\/strong\u003e — matched 140mm 3-blade prop in kit variant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📋 Full Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eKV Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e140 KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVoltage Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6S–16S (25.2–67.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3600W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e12N \/ 14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eResistance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e44.9 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInductance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e28.6 μH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eΦ10 mm (long-thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBearing\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCeramic Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIP58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInsulation Class\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAC 500V \/ 50Hz \/ 1mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePhase Wires\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3 × 12AWG (4.5mm), 1300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePlug Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4mm \u003cspan\u003egold connector\u003c\/span\u003e (male)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.1 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Motor Dimensions (Long-Thread Shaft)\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6374 motor long-thread shaft dimensions diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/90-063074-001-004.jpg?v=1761787437\"\u003e\u003c\/div\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📈 Performance Characteristic Curves\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\n\u003cimg style=\"max-width: 100%; margin-bottom: 12px;\" alt=\"Firduo 6374 140KV characteristic curve at 36V\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6374-140KV-36V.jpg?v=1761796955\"\u003e\u003cbr\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6374 140KV characteristic curve at 48V\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6374-140KV-48V.jpg?v=1761796955\"\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMotor :\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e1× Firduo 6374 140KV Motor(Includes: 3*4mm gold female connector (male connector pre-installed on motor))\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMotor + Propeller :\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e1× Firduo 6374 140KV Motor(Includes: 3*4mm gold female connector (male connector pre-installed on motor))\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1× Propeller (140mm, 3-blade)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Propeller Drawing (Bundle Variant)\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6374 matched propeller drawing 140x120mm 2-blade\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/140-120-2_2_632c61bf-acc9-4f77-922c-ab63a90b0a9f.jpg?v=1761796703\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Electric Hydrofoil\u003c\/strong\u003e — direct shaft mount to foil mast thruster tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderwater Thruster \/ ROV \/ AUV \/ USV\u003c\/strong\u003e — IP58 rated for continuous submersion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — compact 63×74mm body fits tight hull designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC:\u003c\/strong\u003e \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca style=\"color: rgb(0, 0, 255);\" rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003eFirduo Manatee 100 Pro (75V 100A VESC)\u003c\/a\u003e\u003c\/span\u003e — FOC mode, 100A continuous, full 6S–16S support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote:\u003c\/strong\u003e \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca style=\"color: rgb(0, 0, 255);\" rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote (IP67)\u003c\/a\u003e\u003c\/span\u003e — 1.6\" display, cruise control, wireless charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 10S–14S LiPo or Li-ion recommended for optimal power band (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropeller:\u003c\/strong\u003e 140mm 3-blade (available in Motor + Propeller bundle variant)\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠️ Setup Guide (Quick Start)\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your variant\u003c\/strong\u003e — Select \"Motor\" if you have your own propeller, or \"Motor + Propeller\" for the matched 140mm 3-blade prop. Please confirm that the inner diameter of your thruster tube matches the outer diameter of the motor. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 6384 into your motor mount, thruster housing, or mast pod. The long threaded shaft allows direct propeller attachment. Route the 3×12AWG phase leads away from the propeller arc and any moving\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute the phase wires\u003c\/strong\u003e — feed the 1300mm 12AWG wires through your mast or tube. The 4mm gold connector connect directly to most VESC ESC phase outputs. Ensure no sharp bends in the wire routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect to ESC\u003c\/strong\u003e — plug the 3 phase wires (A-B-C) into your ESC. Motor direction can be reversed by swapping any two phase wires, or via VESC Tool software if using a VESC-based ESC.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun motor detection\u003c\/strong\u003e — in VESC Tool, run the FOC motor detection wizard. At the same time, check and confirm that the test parameters are valid and correct. This ensures optimal FOC performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet current limits\u003c\/strong\u003e — configure motor max current to 88A and battery current to match your pack's continuous discharge rating. After actual testing, adjust the current limiting value as needed, while ensuring it does not exceed the motor's rated current of 59A.Set motor temperature protection if using a temp sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test\u003c\/strong\u003e — submerge the motor and run at 10–20% throttle first. Check for unusual vibration (propeller balance) and verify the ceramic bearings run smoothly before full-power runs.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003e❓ FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between the 6374 and the 6384 motor?\u003c\/strong\u003e\u003cbr\u003eThe 6374 (this motor) has a 74mm length vs. 84mm on the 6384, making it slightly shorter and lighter (1.1kg vs. 1.3kg). Peak power is 3600W vs. 4400W. The 6374 is ideal for builds where space is tight or where 3600W is sufficient thrust. Both share the same Φ10mm shaft, 140KV rating, and IP58 waterproofing, so propellers and mounts are interchangeable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Which ESC and remote are recommended?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eFirduo Manatee 100 Pro\u003c\/strong\u003e (75V 100A VESC) is the ideal ESC pairing — it supports FOC mode, covers the full 6S–16S voltage range, and handles the 6374's 75A max current with headroom. For the remote, the \u003cstrong\u003eFirduo VX3\u003c\/strong\u003e (IP67, 1.6\" display, cruise control) is purpose-built for eFoil and water sports use. Both are available individually or as part of the \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil\" target=\"_blank\"\u003eFirduo 2KW Efoil Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is IP58 sufficient for eFoil and continuous underwater use?\u003c\/strong\u003e\u003cbr\u003eYes. IP58 certifies the motor for continuous submersion beyond 1 meter depth — suitable for eFoil, underwater thrusters, and ROV applications. The ceramic bearings are specifically selected for corrosion resistance in both fresh and salt water. Always rinse with fresh water after salt water use to maximize bearing and seal longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What battery voltage gives the best performance?\u003c\/strong\u003e\u003cbr\u003eFor eFoil and thruster builds, \u003cstrong\u003e12S–14S (44–52V)\u003c\/strong\u003e is the optimal range, placing the motor in its peak efficiency band (refer to the characteristic curves at 36V and 48V above). At 16S (67.2V) you reach maximum power output but generate more heat under sustained load. For lighter builds or SUP thrusters, 10S–12S is a good balance of power and runtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Do I need the propeller bundle, or can I use my own?\u003c\/strong\u003e\u003cbr\u003eThe \"Motor\" variant ships without a propeller — you can mount any propeller with a compatible Φ10mm bore. The \"Motor + Propeller\" bundle includes a matched 140mm 3-blade propeller optimized for this motor's power and RPM range. If you're unsure which propeller to use, the bundle is the easiest starting point and eliminates the guesswork on pitch and diameter matching.\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🏄 Application Scenarios\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6374 motor application scenarios eFoil surfboard underwater thruster\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/430a96078c80bcde95dde4af4378318c.jpg?v=1761804452\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"Motor","offer_id":46663402422450,"sku":"6374-1","price":106.0,"currency_code":"USD","in_stock":true},{"title":"Motor + Propeller","offer_id":46663402455218,"sku":"6374-2","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/2_a015aa00-de0c-4879-a1ca-7b70198a3f7c.jpg?v=1761785477"},{"product_id":"waterproof-brushless-dc-6384-motor-140kv-4400w-for-surfing-boat-underwater-thruster-hydro-efoil","title":"Firduo 6384 Brushless Motor 140KV 4400W | Waterproof for eFoil \u0026 Underwater Thruster","description":"\u003ch2\u003e🌊 High-Torque. Fully Waterproof. Built for the Water.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 6384 140KV\u003c\/strong\u003e is a compact, high-performance waterproof brushless motor engineered for underwater thrusters, eFoil, electric surfboards, and ROV\/AUV applications. With \u003cstrong\u003e4400W peak power\u003c\/strong\u003e, \u003cstrong\u003eIP58 waterproof rating\u003c\/strong\u003e, and ceramic bearings rated for continuous submersion, it delivers reliable propulsion in the harshest marine environments. The long-thread shaft design and 1300mm lead wire make it a drop-in fit for most DIY efoil and thruster builds.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4400W Peak Power\u003c\/strong\u003e — 2800W rated, handles sustained high-load operation\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIP58 Waterproof\u003c\/strong\u003e — ceramic bearings rated for continuous underwater use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: 6S–16S\u003c\/strong\u003e — compatible with most LiPo\/Li-ion battery packs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e12N\/14P Construction\u003c\/strong\u003e — smooth, efficient torque delivery at all RPM ranges\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLong-Thread Shaft (Φ10mm)\u003c\/strong\u003e — direct propeller mount, no adapter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1300mm Lead Wire\u003c\/strong\u003e — long enough for most efoil mast and thruster tube routing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3×12AWG Phase Wires\u003c\/strong\u003e with 4mm gold connector — low-resistance, secure connections\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMotor + Propeller bundle available\u003c\/strong\u003e — matched 140mm propeller included in kit variant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📋 Full Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eKV Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e140 KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVoltage Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6S–16S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2800W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e59A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e88A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Torque\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.8 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTorque Constant\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e67.4 mN·m\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eResistance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e35 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInductance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.08 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e12N \/ 14P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStator Length\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eΦ10 mm (long-thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBearing\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCeramic Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIP58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInsulation Class\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAC 500V \/ 50Hz \/ 1mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePhase Wires\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3 × 12AWG (4.5mm), 1300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePlug Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4mm gold connector (male)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.3 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Motor Dimensions (Long-Thread Shaft)\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6384 motor dimensions diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/90-063084-001-004.jpg?v=1761788222\"\u003e\u003c\/div\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📈 Performance Characteristic Curves\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\n\u003cimg style=\"max-width: 100%; margin-bottom: 12px;\" alt=\"6384 140KV characteristic curve at 36V\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6384-140KV-36V.jpg?v=1761796762\"\u003e\u003cbr\u003e\u003cimg style=\"max-width: 100%;\" alt=\"6384 140KV characteristic curve at 48V\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6384-140KV-48V.jpg?v=1761796762\"\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMotor :\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e1× Firduo 6384 140KV Motor(Includes: 3*4mm gold female connector (male connector pre-installed on motor))\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMotor + Propeller :\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e1× Firduo 6384 140KV Motor(Includes: 3*4mm gold female connector (male connector pre-installed on motor))\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1× Propeller (140mm, 3-blade)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Propeller Drawing (Bundle Variant)\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6384 matched propeller drawing 140x120mm\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/140-120-2_2_632c61bf-acc9-4f77-922c-ab63a90b0a9f.jpg?v=1761796703\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Electric Hydrofoil\u003c\/strong\u003e — direct shaft mount to foil mast thruster tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderwater Thruster \/ ROV \/ AUV\u003c\/strong\u003e — IP58 rating suitable for continuous submersion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — high power density fits compact hull designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255); text-decoration: underline;\"\u003eFirduo Manatee 100 PRO 75V 100A VESC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e — waterproof case, 100A continuous, VESC open-source, matched for 6384 voltage range\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" title=\"Firduo VX3 Waterproof Remote UART \u0026amp; PWM for Efoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eFirduo VX3 IP67 Waterproof Remote\u003c\/span\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/a\u003e— UART + PPM\/PWM, 1.6-inch display, cruise control\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion recommended for optimal power band (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropeller\u003c\/strong\u003e: 140mm 3-blade (available in Motor + Propeller bundle variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠️ Setup Guide (Quick Start)\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your variant\u003c\/strong\u003e — \"Motor\" if you have your own propeller, or \"Motor + Propeller\" for the matched 140mm 3-blade prop. Please confirm that the inner diameter of your thruster tube matches the outer diameter of the motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 6384 into your motor mount, thruster housing, or mast pod. The long threaded shaft allows direct propeller attachment. Route the 3×12AWG phase leads away from the propeller arc and any moving parts.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute the phase wires\u003c\/strong\u003e — feed the 1300mm 12AWG wires through your mast or tube. The 4mm gold connector connect directly to most VESC ESC phase outputs. Ensure no sharp bends in the wire routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect to ESC\u003c\/strong\u003e — plug the 3 phase wires (A-B-C) into your ESC. Motor direction can be reversed by swapping any two phase wires, or via VESC Tool software if using a VESC-based ESC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun motor detection\u003c\/strong\u003e — in VESC Tool, run the FOC motor detection wizard. At the same time, check and confirm that the test parameters are valid and correct. This ensures optimal FOC performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet current limits\u003c\/strong\u003e — configure motor max current to 88A and battery current to match your pack's continuous discharge rating. After actual testing, adjust the current limiting value as needed, while ensuring it does not exceed the motor's rated current of 59A.Set motor temperature protection if using a temp sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test\u003c\/strong\u003e — submerge the motor and run at 10–20% throttle first. Check for unusual vibration (propeller balance) and verify the ceramic bearings run smoothly before full-power runs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003e❓ FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between the \"Motor\" and \"Motor + Propeller\" variants?\u003c\/strong\u003e\u003cbr\u003eThe \"Motor\" variant includes only the 6384 motor with pre-installed phase wires. The \"Motor + Propeller\" variant adds a matched 140×120mm 2-blade propeller designed for the Φ10mm long-thread shaft. If you already have a compatible propeller or are using a custom prop, choose the Motor-only variant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What ESC is recommended for this motor?\u003c\/strong\u003e\u003cbr\u003eThe Firduo Manatee 100 Pro (75V 100A VESC-based ESC) is the recommended pairing. It supports FOC mode, handles up to 100A continuous (150A peak), and covers the full 6S–16S voltage range of this motor. For higher-power builds at 16S, ensure your ESC is rated for the voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is IP58 sufficient for eFoil \/ continuous underwater use?\u003c\/strong\u003e\u003cbr\u003eYes. IP58 means the motor is rated for continuous submersion beyond 1 meter depth — suitable for eFoil, underwater thrusters, and ROV applications. The ceramic bearings are specifically chosen for corrosion resistance in both fresh and salt water. Rinse with fresh water after salt water use to extend bearing life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What battery voltage gives the best performance?\u003c\/strong\u003e\u003cbr\u003eFor most eFoil and thruster builds, \u003cstrong\u003e12S–14S (44–52V)\u003c\/strong\u003e is the optimal range — this puts the motor in its peak efficiency band (see characteristic curves above). At 16S (60V) you get maximum power but higher heat; at 6S–8S the motor is underpowered for eFoil use. The characteristic curves at 36V and 48V are shown in the spec section above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this motor for a dual-thruster setup?\u003c\/strong\u003e\u003cbr\u003eYes. Two 6384 motors can be run from separate ESCs connected via CAN bus (if using VESC-based ESCs) for synchronized dual-motor control. Each motor draws up to 88A peak, so ensure your battery and wiring are rated for the combined current. A dual setup is common in twin-thruster kayak and USV builds.\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e🏄 Application Scenarios\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo 6384 motor application scenarios efoil surfboard thruster\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/430a96078c80bcde95dde4af4378318c.jpg?v=1761804452\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"Motor","offer_id":46663421067442,"sku":"6384-1","price":129.0,"currency_code":"USD","in_stock":true},{"title":"Motor + Propeller","offer_id":46663421100210,"sku":"6384-2","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/4_3d69fcb9-4069-405d-871f-fe4b42f90ce4.jpg?v=1761787842"},{"product_id":"firduo-tuna-tt160-a2-1500w-thrust-system-electric-fin","title":"Firduo TUNA Thrust System 1500W 18.5KGF Electric Fin Thruster for SUP \u0026 Kayak","description":"\u003ch3\u003e🌊 All-in-One Electric Propulsion. Ready to Ride.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo TUNA Thrust System\u003c\/strong\u003e is a fully integrated 1500W electric fin thruster designed for SUP, kayak, surfboard, and hydrofoil applications. Unlike standalone motors, the TUNA combines a \u003cstrong\u003efully waterproof motor and built-in waterproof ESC\u003c\/strong\u003e into a single compact unit — just add a battery and a PPM\/PWM remote and you're ready to go.\u003c\/p\u003e\n\u003cp\u003eWith up to \u003cstrong\u003e18.5 KGF of thrust\u003c\/strong\u003e at 1430W, a \u003cstrong\u003e360° large-flow water inlet\u003c\/strong\u003e, and a \u003cstrong\u003emulti-functional installation module\u003c\/strong\u003e compatible with universal fin boxes and DIY mounts, the TUNA is the fastest path from idea to water. Available in 4 variants: two mounting configurations (A2-1 \/ A2-2) each in CW and CCW propeller rotation.\u003c\/p\u003e\n\u003cp\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.pdf?v=1776697130\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003cstrong\u003eDownload TUNA Thrust System 2D Drawings (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.jpg?v=1767928946\" alt=\"Firduo TUNA Thrust System 1500W 18.5KGF Electric Fin for SUP Kayak Surfboard\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFully Integrated System\u003c\/strong\u003e — waterproof motor + waterproof ESC in one compact unit; no separate ESC required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18.5 KGF Max Thrust\u003c\/strong\u003e @ 30A \/ 1430W — powerful enough for SUP, kayak, and surfboard propulsion\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1500W Continuous \/ 2000W Peak Power\u003c\/strong\u003e — sustained performance for extended sessions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e360° Large-Flow Water Inlet\u003c\/strong\u003e — fluid hydrodynamic design minimizes drag and maximizes efficiency\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Functional Installation Module\u003c\/strong\u003e — universal fin box interface or DIY custom mount\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW \u0026amp; CCW Propeller Options\u003c\/strong\u003e — Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Strength Anodized Aluminum Shell\u003c\/strong\u003e — corrosion-resistant for saltwater and freshwater use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePPM\/PWM Remote Compatible\u003c\/strong\u003e — works with any standard RC remote or waterproof remote controller\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e50A Waterproof Power Plug\u003c\/strong\u003e — Optional 10AWG silicone power cord\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEasy Installation\u003c\/strong\u003e — fits surfboards, paddle boards, kayaks, SUP, and custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 411.6px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eTT160-A2-1 \/ TT160-A2-2 (CW or CCW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e10S–14S (36–58.8V, 1S = 3.6–4.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eContinuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e1,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 39.2px;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 39.2px;\"\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 39.2px;\"\u003e\u003cstrong\u003eInstantaneous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 39.2px;\"\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Thrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e18.5 KGF @ 30A \/ 1430W (13S reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eWater Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e360° large-flow design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eHigh-strength anodized aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eESC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eBuilt-in fully waterproof ESC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eBuilt-in fully waterproof brushless motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 39.2px;\"\u003e\u003cstrong\u003ePower Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 39.2px;\"\u003e10AWG silicone, 110cm, black \u0026amp; red. Optional 50A waterproof plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 39.2px;\"\u003e\u003cstrong\u003eSignal Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 39.2px;\"\u003e11AWG silicone, black(−) \/ red(+) \/ white(signal), PPM\/PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003ePropeller Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eCW or CCW (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e2.93 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003e3.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.7648%; height: 19.6px;\"\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.9971%; height: 19.6px;\"\u003eL300 × W300 × H200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eThrust Performance (13S Reference Voltage)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eThrust\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003ctd\u003e10.8 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003ctd\u003e750W\u003c\/td\u003e\n\u003ctd\u003e13.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e980W\u003c\/td\u003e\n\u003ctd\u003e15.4 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003e1,210W\u003c\/td\u003e\n\u003ctd\u003e17.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003ctd\u003e1,430W\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTT160-A2-1 — Tail Fin Version\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e① Thrust System × 1\u003cspan\u003e(CW or CCW, matched to variant)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e② Tail fin base × 1, Pin × 2 (including 1 extra)\u003c\/li\u003e\n\u003cli\u003e③ M4×16 screws × 3 (including 1 extra)\u003c\/li\u003e\n\u003cli\u003e④ M2.5 wrench × 1\u003c\/li\u003e\n\u003cli\u003e⑤ 50A waterproof power plug-socket × 1 (optional)\u003c\/li\u003e\n\u003cli\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/8a39b0bdfab9ca86caa50ff6bd0ffb82.jpg?v=1767928948\" alt=\"Firduo TUNA Thrust System Wiring and Connection Diagram\"\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTT160-A2-2 — DIY Version\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e① Thrust System × 1\u003cspan\u003e(CW or CCW, matched to variant)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e② M4×16 screws × 3 (including 1 extra)\u003c\/li\u003e\n\u003cli\u003e③ M2.5 wrench × 1\u003c\/li\u003e\n\u003cli\u003e④ 50A waterproof power plug-socket × 1 (optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Firduo TUNA DIY Installation Module Universal Fin Box Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/DIY_7fdf815a-9176-4798-9861-ffd3c0ff072b.jpg?v=1767928947\"\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery and remote controller not included. If you need batteries, please contact us for recommendations.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e87896c4b8e58bfec426d53c9812492b.jpg?v=1767928947\" alt=\"Firduo TUNA Thrust System Application SUP Kayak Electric Surfboard\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"Firduo TUNA Thrust System Specifications and Performance Data\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/8b35035cdab18a7ed4a36953a9a4747a.jpg?v=1767928948\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Paddleboard\u003c\/strong\u003e — universal fin box mount for instant electric conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKayak \/ Canoe\u003c\/strong\u003e — DIY interface for custom transom or hull mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Foilsurf\u003c\/strong\u003e — rear fin box or custom mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROV \/ AUV \/ USV\u003c\/strong\u003e — waterproof motor + ESC system for autonomous applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote Controller\u003c\/a\u003e — IP67, PPM\/PWM compatible, designed for water sports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/other\/products\/firduo-50a-self-locking-waterproof-cable-connector\" target=\"_blank\" title=\"Firduo 50A Self-Locking IP67 Waterproof Cable Connector For batteries \u0026amp; Water sports \u0026amp; Ebike\" rel=\"noopener\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 50A Waterproof Power Connector\u003c\/span\u003e\u003c\/a\u003e — Power matching with propulsion system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion pack, minimum 30A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect your variant\u003c\/strong\u003e — choose your mounting model (A2-1 for universal fin box; A2-2 for DIY\/custom mount) and propeller rotation (CW or CCW). When viewed from behind the board, CW rotates clockwise. Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the thruster\u003c\/strong\u003e — insert the TUNA into your board's fin box or attach via the DIY interface. Secure with the provided hardware. Ensure the propeller has clear water flow and the power\/signal cables are routed safely away from the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the power cable\u003c\/strong\u003e — plug the 50A waterproof power connector into your battery output. Verify battery voltage is within 36–58.8V (10S–14S) before connecting. Use a battery with at least 30A continuous discharge rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the signal cable\u003c\/strong\u003e — plug the 3-wire signal cable (black −, red +, white signal) into your remote receiver's PPM or PWM output channel. The TUNA's built-in ESC accepts standard PPM\/PWM signals — no additional ESC configuration required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePair your remote\u003c\/strong\u003e — power on the system (battery first, then remote). Follow your remote's pairing procedure. The \u003ca href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo VX3\u003c\/a\u003e pairs automatically on first power-on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 10–15A (500–750W) in calm water. Verify smooth operation and check all connections are secure and dry before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What's the difference between TT160-A2-1 and TT160-A2-2?\u003c\/strong\u003e\u003cbr\u003eThe two models differ in their \u003cstrong\u003emounting interface\u003c\/strong\u003e. \u003cstrong\u003eTT160-A2-1\u003c\/strong\u003e uses a universal fin box interface compatible with standard SUP and surfboard fin boxes — the easiest option for most boards. \u003cstrong\u003eTT160-A2-2\u003c\/strong\u003e uses a DIY custom interface for non-standard mounts, kayak transoms, or custom hull installations. Both deliver identical thrust performance. If you have a standard fin box on your board, choose A2-1.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: CW or CCW — which rotation do I need?\u003c\/strong\u003e\u003cbr\u003eWhen viewed from behind the board (water-facing side), \u003cstrong\u003eCW\u003c\/strong\u003e rotates clockwise and \u003cstrong\u003eCCW\u003c\/strong\u003e rotates counter-clockwise. Single drive, with the option to freely choose between CW and CCW. If you're building a twin-thruster setup, use one CW and one CCW for balanced thrust. If unsure, contact us with your board specs and we'll advise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Do I need a separate ESC? What remote is compatible?\u003c\/strong\u003e\u003cbr\u003eNo — the TUNA includes a \u003cstrong\u003efully integrated waterproof ESC\u003c\/strong\u003e. You only need a battery and a PPM\/PWM remote receiver. The system is compatible with any standard RC remote that outputs PPM or PWM signals. We recommend the \u003ca href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote\u003c\/a\u003e for a plug-and-play waterproof solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What battery do I need?\u003c\/strong\u003e\u003cbr\u003eThe TUNA supports 10S–14S (36–58.8V) battery packs. For full-power operation at 18.5 KGF, a \u003cstrong\u003e13S or 14S LiPo or Li-ion pack with minimum 30A continuous discharge\u003c\/strong\u003e is recommended. A 10S–12S pack will work at reduced thrust. Do not exceed 14S (58.8V) to avoid damaging the built-in ESC. Battery is not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use the TUNA for an ROV, AUV, or non-board application?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA's integrated waterproof motor and ESC, combined with standard PPM\/PWM signal input, make it suitable for ROV, AUV, USV, and other autonomous or remotely operated marine applications. The 50A waterproof power connector and sealed housing support continuous underwater operation. Contact us for application-specific wiring diagrams and configuration support.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo TUNA Thruster Detail View Aluminum Shell Propeller\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e462aee6a7ec9fd3fc77234538abd363.jpg?v=1694684622\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A2-1 (CW)","offer_id":46956178931890,"sku":"TT160-A2-1 (CW)","price":539.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-1（CCW）","offer_id":46956178964658,"sku":"TT160-A2-1（CCW）","price":539.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2 (CW)","offer_id":46956178997426,"sku":"TT160-A2-2 (CW)","price":539.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2（CCW）","offer_id":46956179030194,"sku":"TT160-A2-2（CCW）","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_4868cd56-628c-4f97-8b53-d3e9134bf45f.jpg?v=1767928824"},{"product_id":"firduo-tuna-tt160-a1-1500w-underwater-thruster","title":"Firduo TUNA 1500W 18.5KGF Underwater Thruster Motor for SUP Kayak Surfboard – CW\/CCW","description":"\u003ch3\u003e🌊 Pure Thrust. You Choose the Control.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo TUNA TT160-A1 Underwater Thruster\u003c\/strong\u003e is a 1500W high-thrust waterproof motor unit designed for SUP, kayak, surfboard, and custom marine builds. Unlike the all-in-one A2 version, the \u003cstrong\u003eTT160-A1 is a motor-only thruster\u003c\/strong\u003e — giving you full freedom to pair it with your preferred ESC, VESC controller, or existing power system for maximum customization.\u003c\/p\u003e\n\u003cp\u003eWith up to \u003cstrong\u003e18.5 KGF of thrust\u003c\/strong\u003e at 1430W, a \u003cstrong\u003epassive water-cooled tube\u003c\/strong\u003e, \u003cstrong\u003e360° large-flow water inlet\u003c\/strong\u003e, and a \u003cstrong\u003emulti-functional installation module\u003c\/strong\u003e compatible with universal tail fin boxes and DIY mounts, the TUNA A1 is the builder's choice for high-performance electric water sports propulsion. Available in 4 variants: two mounting configurations (A1-1 \/ A1-2) each in CW and CCW propeller rotation.\u003c\/p\u003e\n\u003cp\u003e📄 \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a1-1.pdf?v=1776697149\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003cstrong\u003eDownload TUNA A1 Underwater Thruster 2D Drawings (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a1-1.jpg?v=1767930205\" alt=\"Firduo TUNA TT160-A1 1500W Underwater Thruster for SUP Kayak Surfboard\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jFTUEFCs704?si=ZMAq6Kur9M__jKvO\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h3\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMotor-Only Design\u003c\/strong\u003e — pair with any ESC or VESC controller for full customization\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18.5 KGF Max Thrust\u003c\/strong\u003e @ 30A \/ 1430W — powerful enough for SUP, kayak, and surfboard propulsion\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1500W Continuous \/ 2000W Peak Power\u003c\/strong\u003e — sustained performance for extended sessions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePassive Water-Cooled Tube\u003c\/strong\u003e — natural water flow cools the motor and esc during operation; no pump required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e360° Large-Flow Water Inlet\u003c\/strong\u003e — fluid hydrodynamic design minimizes drag and maximizes efficiency\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Functional Installation Module\u003c\/strong\u003e — universal tail fin box interface or DIY custom mount\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW \u0026amp; CCW Propeller Options\u003c\/strong\u003e — Choose either CW or CCW for single drive.For dual-drive, use one CW and one CCW.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Strength Anodized Aluminum Shell\u003c\/strong\u003e — corrosion-resistant for saltwater and freshwater use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFully Waterproof Motor\u003c\/strong\u003e — sealed for continuous underwater operation\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4.0mm Gold Connector Plug\u003c\/strong\u003e — pre-installed on 900mm silicone motor wire for easy ESC connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTT160-A1-1 \/ TT160-A1-2 (CW or CCW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMotor only (external ESC required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10S–14S (36–58.8V, 1S = 3.6–4.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstantaneous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Thrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF @ 30A \/ 1430W (13S reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePassive water-cooled tube (natural flow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e360° large-flow design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-strength anodized aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicone cable, 900mm, black, with 4.0mm gold connector plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePropeller Rotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCW or CCW (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.96 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL300 × W300 × H200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eThrust Performance (13S Reference Voltage)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eThrust\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003ctd\u003e10.8 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003ctd\u003e750W\u003c\/td\u003e\n\u003ctd\u003e13.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e980W\u003c\/td\u003e\n\u003ctd\u003e15.4 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003e1,210W\u003c\/td\u003e\n\u003ctd\u003e17.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003ctd\u003e1,430W\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTail Fin Version\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e① Underwater thruster × 1\u003c\/li\u003e\n\u003cli\u003e② 4.0mm gold connector (Male and female ends) × 3\u003c\/li\u003e\n\u003cli\u003e③ Tail fin base × 1, pin × 2 (including 1 extra)\u003c\/li\u003e\n\u003cli\u003e④ M4 × 16 screw × 3 (Including 1 extra)\u003c\/li\u003e\n\u003cli\u003e⑤ M2.5 wrench × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo TUNA A1 Underwater Thruster Wiring and Connection Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/5b22c6832e08181511faf0136e42848a.jpg?v=1767930206\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eDIY Version\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e① Underwater thruster × 1\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e② 4.0mm gold connector (Male and female ends) × 3\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e③ M4 × 16 screw × 3 (Including 1 extra)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e④ M2.5 wrench × 1; \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/61fa6e4614a889718113070c3ca03353.jpg?v=1781764468\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/8b35035cdab18a7ed4a36953a9a4747a_3ba1b310-35ff-45f3-bc39-20a8309bf6a1.jpg?v=1767930207\" alt=\"Firduo TUNA A1 Thruster Thrust Performance Data Specifications\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003e⚠️ ESC not included.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Paddleboard\u003c\/strong\u003e — universal tail fin box mount (A1-1) for instant electric conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKayak \/ Canoe\u003c\/strong\u003e — DIY interface (A1-2) for custom transom or hull mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Foilsurf \/ RC Boat\u003c\/strong\u003e — waterproof motor for any water application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Kit\u003c\/strong\u003e: \u003ca title=\"Firduo 2KW Waterproof Efoil Kit for Electric Surfboard \u0026amp; Hydrofoil\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo TUNA Underwater Thrust Kit\u003c\/span\u003e\u003c\/a\u003e — same thruster with ESC and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Single thruster\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-tuna-tt160-a3-1500w-18-5kgf-electric-fin\" title=\"Firduo TUNA 1500W 18.5KGF Thruster Electric Fin for SUP \u0026amp; Kayak \u0026amp; Surfboards\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo TUNA Thrust\u003c\/span\u003e\u003c\/a\u003e — same thruster, but without mounting bracket. Lower cost, greater DIY potential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended VESC\u003c\/strong\u003e: Any VESC-compatible ESC rated for 30A continuous at 10S–14S — e.g., \u003ca title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eFirduo Manatee 100 PRO VESC\u003c\/span\u003e\u003c\/a\u003e for high-power builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC:\u003c\/strong\u003e \u003ca title=\"Firduo Walrus 14S Waterproof Brushless ESC Metal Case for SUP \u0026amp; Kaya \u0026amp; Surfboards\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-walrus-14s-full-waterproof-brushless-esc-all-metal-case-for-sup-surfboards-paddle-boards-kayaks-rov-auv-usv\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eFirduo Walrus 14S Waterproof Brushless ESC\u003c\/span\u003e\u003c\/a\u003e — Designed specifically for low-power underwater thrusters. With a \u003cstrong\u003e6–14S LiPo input range\u003c\/strong\u003e and a built-in \u003cstrong\u003e6V\/1A BEC\u003c\/strong\u003e, PPM\/PWM compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote Controller\u003c\/a\u003e — IP67, PPM\/PWM compatible, designed for water sports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion pack, minimum 30A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e87896c4b8e58bfec426d53c9812492b.jpg?v=1767928947\" alt=\"Firduo TUNA A1 Underwater Thruster Application SUP Kayak Electric Surfboard\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f0f7ff; border: 2px solid #0066cc; border-radius: 8px; padding: 24px; margin: 24px 0; text-align: center;\"\u003e\n\u003ch3 style=\"color: #0066cc; margin-top: 0;\"\u003e🚀 Need a Complete Ready-to-Run Kit?\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; color: #333; margin-bottom: 16px;\"\u003eThe TUNA A1 is a motor-only thruster — if you want a \u003cstrong\u003eplug-and-play solution\u003c\/strong\u003e with ESC, remote, and matched components included, check out our complete kits:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil\" style=\"display: inline-block; background-color: #0066cc; color: #ffffff; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: bold; margin: 6px;\" target=\"_blank\"\u003e🛒 Shop 2KW Complete Kit\u003c\/a\u003e    \u003ca href=\"https:\/\/firduo.com\/collections\/kit-builder\" style=\"display: inline-block; background-color: #00994d; color: #ffffff; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: bold; margin: 6px;\" target=\"_blank\"\u003e🔧 Build Your Custom Kit\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #666; margin-bottom: 0;\"\u003e✅ Pre-matched components  ·  ✅ Fully waterproof  ·  ✅ Ready to install\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect your variant\u003c\/strong\u003e — choose your mounting model (A1-1 for universal tail fin box; A1-2 for DIY\/custom mount) and propeller rotation (CW or CCW). When viewed from behind the board, CW rotates clockwise. Choose either CW or CCW for single drive.For dual-drive, use one CW and one CCW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the thruster\u003c\/strong\u003e — insert the TUNA A1 into your board's tail fin box or attach via the DIY interface. Secure with the provided hardware. Ensure the propeller has clear water flow and the motor wire is routed safely away from the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor wire to ESC\u003c\/strong\u003e — plug the 3× 4.0mm gold bullet connectors into your ESC phase outputs (A-B-C). Rotation direction can be corrected in VESC Tool or by swapping any two phase wires — no rewiring of the motor required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect ESC to battery\u003c\/strong\u003e — use a high-current connector rated for your ESC's input current. Verify battery voltage is within 36–58.8V (10S–14S) before connecting. Use an anti-spark switch or pre-charge resistor to prevent connector damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect remote receiver to ESC\u003c\/strong\u003e — plug the PPM or UART signal cable from your remote receiver into the ESC signal input. Configure throttle direction and endpoints in VESC Tool or your ESC's configuration software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure ESC (VESC)\u003c\/strong\u003e — if using a VESC-based ESC, connect via USB and run the motor auto-detection wizard. Set current limits to 30A continuous (70A max burst), configure throttle curve, and set protection thresholds. Our support team can provide a recommended config file on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 10–15A (500–750W) in calm water. Verify smooth operation, check for vibration or unusual noise, and confirm all connections are secure and dry before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What's the difference between the TUNA A1 and TUNA A2?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eTT160-A1\u003c\/strong\u003e is a \u003cstrong\u003emotor-only thruster\u003c\/strong\u003e — it requires an external ESC to operate. This gives you full control over ESC selection, throttle mapping, and VESC configuration. The \u003cstrong\u003eTT160-A2\u003c\/strong\u003e is an \u003cstrong\u003eall-in-one system\u003c\/strong\u003e with a built-in waterproof ESC — just add a battery and PPM\/PWM remote and you're ready to go. Choose A1 if you already have an ESC or want VESC-level customization; choose A2 for the simplest plug-and-play setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What ESC do I need for the TUNA A1?\u003c\/strong\u003e\u003cbr\u003eYou need an ESC rated for at least \u003cstrong\u003e30A continuous \/ 70A burst at 10S–14S (36–58.8V)\u003c\/strong\u003e. Any VESC-compatible ESC in this range will work. For high-power builds or if you want full VESC Tool configurability, the \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(0, 0, 255); text-decoration: underline;\"\u003eFirduo Manatee 100 PRO VESC\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e is a proven pairing. For simpler builds, any hobby-grade ESC rated for the voltage and current will work. Contact us with your build specs for a recommendation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: CW or CCW — which rotation do I need?\u003c\/strong\u003e\u003cbr\u003eWhen viewed from behind the board (water-facing side), \u003cstrong\u003eCW\u003c\/strong\u003e rotates clockwise and \u003cstrong\u003eCCW\u003c\/strong\u003e rotates counter-clockwise. Choose either CW or CCW for single drive. For a twin-thruster setup, use one CW and one CCW for balanced thrust.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does the passive water cooling work effectively? Do I need to do anything special?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA A1 uses a \u003cstrong\u003epassive water-cooled tube\u003c\/strong\u003e that draws water through the motor housing as the thruster moves through water — no pump or external cooling loop required. This keeps the motor cool during normal operation. Avoid running the thruster out of water for extended periods, as the passive cooling relies on water flow. Brief out-of-water testing at low power is fine for connection verification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What's the difference between TT160-A1-1 and TT160-A1-2?\u003c\/strong\u003e\u003cbr\u003eThe two models differ in their \u003cstrong\u003emounting interface\u003c\/strong\u003e. \u003cstrong\u003eTT160-A1-1\u003c\/strong\u003e uses a universal tail fin box interface compatible with standard SUP and surfboard fin boxes — the easiest option for most boards. \u003cstrong\u003eTT160-A1-2\u003c\/strong\u003e uses a DIY custom interface for non-standard mounts, kayak transoms, or custom hull installations. Both deliver identical thrust performance. If you have a standard fin box on your board, choose A1-1.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo TUNA A1 Underwater Thruster Detail Aluminum Shell Propeller\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e462aee6a7ec9fd3fc77234538abd363.jpg?v=1694684622\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A1-1 (CW)","offer_id":46956187058354,"sku":"TUNA-A1-1-CW","price":359.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-1（CCW）","offer_id":46956187091122,"sku":"TUNA-A1-1-CCW","price":359.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CW)","offer_id":46956187123890,"sku":"TUNA-A1-2-CW","price":359.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2（CCW）","offer_id":46956187156658,"sku":"TUNA-A1-2-CCW","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6_a70dd9a5-e278-46b0-828d-c461dc9cbf30.jpg?v=1767930357"},{"product_id":"firduo-tuna-tt160-a3-1500w-18-5kgf-electric-fin","title":"Firduo TUNA 1500W 18.5KGF Thruster Electric Fin for SUP \u0026 Kayak \u0026 Surfboards","description":"\u003ch3\u003e🌊 Powerful. Silent. Built for the Water.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo TUNA Underwater Thruster\u003c\/strong\u003e is a high-performance electric propulsion unit engineered for DIY eFoil, electric surfboard, SUP, kayak, and hydrofoil builds. With up to \u003cstrong\u003e18.5 KGF of thrust\u003c\/strong\u003e at 1430W and a hydrodynamic fluid design that minimizes drag, the TUNA delivers raw power with exceptional efficiency — so you spend more time riding and less time charging.\u003c\/p\u003e\n\u003cp\u003eAvailable in CW (clockwise) and CCW (counter-clockwise) variants to match your build orientation. The all-aluminum anodized shell and fully waterproof motor make it ready for serious water use right out of the box.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUp to 18.5 KGF Thrust\u003c\/strong\u003e @ 30A \/ 1430W — enough power for eFoil and surfboard applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFluid Aerodynamic Design\u003c\/strong\u003e — 360° large-flow water inlet reduces drag and improves efficiency\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFully Waterproof Motor\u003c\/strong\u003e — sealed for continuous underwater operation\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Strength Anodized Aluminum Shell\u003c\/strong\u003e — corrosion-resistant, built for saltwater environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range\u003c\/strong\u003e — 10S–14S (36–58.8V), compatible with most LiPo\/Li-ion packs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW \u0026amp; CCW Variants\u003c\/strong\u003e — Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Thrust Propeller Included\u003c\/strong\u003e — optimized blade geometry for maximum water bite\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e12AWG Silicone Cable\u003c\/strong\u003e — 900mm length with 4.0mm gold bullet connectors, flexible and heat-resistant\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEasy Installation\u003c\/strong\u003e — Suitable for paddleboards, surfboards, and kayaks, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTT160-A3-1 (CW \/ CCW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10S–14S (36V–58.8V, 1S = 3.6–4.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstantaneous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Thrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF @ 30A \/ 1430W (13S reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e360° large-flow design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-strength anodized aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12AWG silicone, 900mm, 4.0mm gold bullet connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCW or CCW (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.96 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL200 × W200 × H200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eThrust Performance (13S Reference Voltage)\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eThrust\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003ctd\u003e10.8 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003ctd\u003e750W\u003c\/td\u003e\n\u003ctd\u003e13.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e980W\u003c\/td\u003e\n\u003ctd\u003e15.4 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003e1,210W\u003c\/td\u003e\n\u003ctd\u003e17.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003ctd\u003e1,430W\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× TUNA Underwater Thruster (CW or CCW — per variant selected)\u003c\/li\u003e\n\u003cli\u003e3*4.0mm gold male and female connectors\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil boards\u003c\/strong\u003e — Installed directly on the mast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric surfboards (eSurf \/ Jetboard)\u003c\/strong\u003e — rear or bottom mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Kayak conversions\u003c\/strong\u003e — Choose the version with tail fin support-\u003ca href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-tuna-tt160-a1-1500w-underwater-thruster\" target=\"_blank\" title=\"Firduo TUNA 1500W 18.5KGF Underwater Thruster Motor for SUP Kayak Surfboard – CW\/CCW\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eFirduo TUNA Underwater Thruster\u003c\/span\u003e\u003c\/a\u003e, compatible with standard fin boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended VESC\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003eFirduo Manatee 100 Pro VESC\u003c\/a\u003e (supports PPM\/UART, \u003cstrong\u003ewaterproof to 5m\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC: \u003c\/strong\u003e\u003ca title=\"Firduo Walrus 14S Waterproof Brushless ESC Metal Case for SUP \u0026amp; Kaya \u0026amp; Surfboards\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-walrus-14s-full-waterproof-brushless-esc-all-metal-case-for-sup-surfboards-paddle-boards-kayaks-rov-auv-usv\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eFirduo Walrus 14S Waterproof Brushless ESC\u003c\/span\u003e\u003c\/a\u003e—Designed specifically for low-power underwater thrusters -\u003cspan\u003eWith a \u003c\/span\u003e\u003cstrong\u003e6–14S,waterproof to 5m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" target=\"_blank\"\u003eVX3 Waterproof Remote Controller\u003c\/a\u003e (IP67, 1.6\" display)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit Option\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil\" target=\"_blank\"\u003eFirduo 2KW Efoil Kit\u003c\/a\u003e (ESC + Thruster + Remote bundle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion pack, minimum 30A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect CW or CCW variant\u003c\/strong\u003e — when viewed from behind the board (water-facing side), CW rotates clockwise and CCW rotates counter-clockwise. Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the thruster\u003c\/strong\u003e — insert into your board's fin box or custom mount. Secure with the provided hardware. Ensure the motor cable is routed away from moving parts and the propeller has clear water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect to ESC\u003c\/strong\u003e — plug the 3× 4.0mm gold bullet connectors into your ESC phase outputs (A-B-C). Rotation direction can be reversed in software (e.g. VESC Tool) if needed — no rewiring required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect ESC to battery\u003c\/strong\u003e — use a waterproof connector rated for continuous current \u0026gt;50A. Verify battery voltage is within 36–58.8V before powering on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePair your remote\u003c\/strong\u003e — power on ESC first, then remote. Follow your remote's pairing procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test\u003c\/strong\u003e — start at low throttle (10A \/ 500W) in calm water. Check all connections are dry and secure before each session. Gradually increase power as you confirm stable operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e📄 \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a3-1.pdf?v=1776697169\" target=\"_blank\"\u003e\u003cstrong\u003eDownload TUNA Thruster 2D Drawings (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a3-1.jpg?v=1767938975\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: CW or CCW — which variant do I need?\u003c\/strong\u003e\u003cbr\u003eThis depends on your thruster's mounting orientation. When looking at the thruster from behind (water-facing side), CW rotates clockwise and CCW rotates counter-clockwise. when viewed from behind the board (water-facing side), CW rotates clockwise and CCW rotates counter-clockwise. Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.If you're unsure, contact us with your board specs and we'll advise the correct rotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What ESC do I need to run this thruster?\u003c\/strong\u003e\u003cbr\u003eThe TUNA thruster is compatible with any BLDC ESC that supports 10S–14S voltage and at least 30A continuous current. We recommend the \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" target=\"_blank\"\u003eFirduo Manatee 100 Pro VESC\u003c\/a\u003e for best compatibility — it's waterproof, VESC-based, and pre-matched to this thruster's power range. PPM and UART control are both supported.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What battery do I need, and is it included?\u003c\/strong\u003e\u003cbr\u003eThe thruster supports 10S–14S (36–58.8V) battery packs. For eFoil and jetboard use, a 12S–14S LiPo or Li-ion pack with minimum 30A continuous discharge (50A burst recommended) is ideal. Battery is \u003cstrong\u003enot included\u003c\/strong\u003e. We recommend the waterproof battery (FD13S5P,20AH) for Firduo underwater scooters. Please contact us if needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the motor truly waterproof? Can I run it in saltwater?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA motor is fully sealed for continuous underwater operation. The anodized aluminum alloy shell is corrosion-resistant and suitable for both freshwater and saltwater environments. Rinse with fresh water after saltwater use to extend service life. Note: the motor cable exit point should be kept above the waterline or sealed with waterproof connectors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this thruster for an ROV, AUV, or non-surfboard application?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA thruster's waterproof motor and standard 4.0mm bullet connector output make it suitable for ROV, AUV, USV, and other underwater propulsion applications. The UART\/CAN interface on compatible ESCs (e.g. Manatee 100 Pro) supports autonomous or remotely operated vehicle integration. Contact us for application-specific wiring diagrams and configuration support.\u003c\/p\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A3-1（CW）","offer_id":46956374655154,"sku":"TT160-A3-1（CW）","price":309.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A3-1（CCW）","offer_id":46956374687922,"sku":"TT160-A3-1（CCW）","price":309.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/4_cac8fe25-f84b-4ae5-9f63-1be2c9426193.jpg?v=1767939250"},{"product_id":"vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller","title":"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026 Electric Skateboard","description":"\u003ch3\u003e⚡ Precision Motor Control. Built for the Water.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo Manatee 100 PRO\u003c\/strong\u003e is a high-performance, waterproof VESC-based ESC engineered for demanding electric propulsion applications — from eFoil and electric surfboards to electric skateboards, scooters, and eBikes. With \u003cstrong\u003e100A continuous \/ 150A peak current\u003c\/strong\u003e, a wide \u003cstrong\u003e4S–20S (14–84V)\u003c\/strong\u003e voltage range, and a compact waterproof enclosure rated to \u003cstrong\u003e5 meters depth\u003c\/strong\u003e, it delivers professional-grade control in a package that fits anywhere.\u003c\/p\u003e\n\u003cp\u003e📄  \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/Manatee_100_Pro_VESC_User_Manual.pdf?v=1776266383\" target=\"_blank\"\u003e\u003cstrong\u003eDownload Manatee 100 Pro User Manual (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e🔧 \u003ca rel=\"noopener\" href=\"https:\/\/vesc-project.com\/\" target=\"_blank\"\u003e\u003cstrong\u003eFirmware Download \/ Update via VESC Tool\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSTM32F4 MCU @ 168MHz\u003c\/strong\u003e — fast, precise motor control with real-time data logging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFOC Sine Wave \u0026amp; BLDC Square Wave\u003c\/strong\u003e — smooth, silent operation in both modes\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSensored \u0026amp; Sensorless\u003c\/strong\u003e — auto-detects all motor parameters; robust startup torque in both modes\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e100A Continuous \/ 150A Peak\u003c\/strong\u003e — handles high-demand applications without throttling\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4S–20S (14–84V)\u003c\/strong\u003e — widest voltage range in its class\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWaterproof to 5m depth\u003c\/strong\u003e — sealed enclosure for full water immersion (wire end excluded)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBuilt-in Bluetooth\u003c\/strong\u003e — wireless monitoring and configuration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRegenerative Braking\u003c\/strong\u003e — recovers energy on deceleration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e4 Control Modes\u003c\/strong\u003e — Duty-cycle, Speed, Current, Position\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e — 109 × 75 × 38.6mm, fits in tight builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 meters (wire end excluded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4S–20S (14–84V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax ERPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMCU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTM32F4 @ 168MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrushless, Brushed DC, IPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuty-cycle, Speed, Current, Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFOC sine wave, BLDC square wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensorless, HALL, ABI, AS5047, AS5048A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Temp Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNTC 10K\/100K @ 25°C, PTC 1K @ 100°C, KTY83\/122\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB, CAN, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPM, ADC, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8AWG, 85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8AWG, 110mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegenerative Braking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgrammable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (via VESC Tool)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e109 × 75 × 38.6mm (4.29 × 2.95 × 1.52 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.7 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBox Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e210 × 150 × 120mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Manatee 100 Pro dimensions diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/2D_f4f1ea36-5127-4b08-b78c-f45024998fc9.jpg?v=1775617396\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Manatee 100 Pro VESC ESC\u003c\/li\u003e\n\u003cli\u003e1× USB Type-C Cable\u003c\/li\u003e\n\u003cli\u003e1× PH2.0 2-Pin CAN Adapter Cable\u003c\/li\u003e\n\u003cli\u003e2× Water Pipe (OD 6mm × 18cm)\u003c\/li\u003e\n\u003cli\u003e1× Wiring Diagram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional (bundle variant):\u003c\/strong\u003e 3× \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" target=\"_blank\"\u003e120A Waterproof Connectors\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Electric Surfboard\u003c\/strong\u003e — pair with \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/tuna-underwater-thruster-1500w-18-5kgf-electric-fin-for-sup-surfboards-kayaks-rov-auv-usv\" target=\"_blank\"\u003eTUNA Underwater Thruster\u003c\/a\u003e + \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" target=\"_blank\"\u003eVX3 Remote\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Skateboard \/ Longboard\u003c\/strong\u003e — PPM\/UART input compatible with most remotes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eeBike \/ Electric Scooter\u003c\/strong\u003e — supports hub motors and mid-drive motors via FOC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROV \/ AUV \/ USV\u003c\/strong\u003e — CAN\/UART interface for flight controller integration (ArduSub, Pixhawk)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 4S–20S LiPo or Li-ion (recommend ≥50A continuous discharge rating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors\u003c\/strong\u003e: XT90 or AS150 anti-spark recommended for battery connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit\u003c\/strong\u003e: \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil\" target=\"_blank\"\u003eFirduo 2KW Efoil Kit (ESC + Thruster + Remote)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jFTUEFCs704?si=ZMAq6Kur9M__jKvO\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h3\u003e\n\u003ch3\u003e🛠️ Setup Guide (Quick Start)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your variant\u003c\/strong\u003e — \"M 100 PRO\" (ESC only) or \"M 100 PRO + Waterproof Connectors ×3\" if you need sealed phase connections for underwater use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor phase wires\u003c\/strong\u003e — plug the 3-phase wires (A-B-C) from your motor into the ESC. Direction can be reversed in VESC Tool if the motor spins the wrong way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use an XT90 or AS150 anti-spark connector. Verify voltage is within 14–84V before powering on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect input signal\u003c\/strong\u003e — plug your remote receiver into the PPM\/UART port, or connect via CAN for multi-ESC setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun Motor Detection in VESC Tool\u003c\/strong\u003e — connect via USB-C, open VESC Tool (free), run the motor setup wizard. \u003cspan\u003eBluetooth connectivity is also supported.\u003c\/span\u003eThis auto-detects all motor parameters for optimal FOC performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure protections\u003c\/strong\u003e — set voltage limits, current limits, and temperature thresholds to match your battery and motor specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest at low throttle\u003c\/strong\u003e — verify motor direction and throttle response before full-power runs. Check all connections are secure and dry.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Manatee 100 Pro VESC ESC wiring overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/M100_PRO.jpg?v=1775614802\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does it support official firmware??\u003c\/strong\u003e\u003cbr\u003eThe Manatee 100 Pro is based on the open-source VESC platform and Running custom firmware. It is compatible with VESC Tool for configuration and real-time monitoring. It uses the STM32F4 MCU and supports the full VESC feature set including FOC, CAN bus, and all sensor types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What motors is it compatible with?\u003c\/strong\u003e\u003cbr\u003eIt supports brushless (BLDC), brushed DC, and IPM motors. Sensor support includes sensorless, HALL, ABI encoder, AS5047, and AS5048A. Motor temperature sensors (NTC 10K\/100K, PTC 1K, KTY83\/122) are also supported. In short: if it's a common electric motor type, this ESC can drive it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the waterproofing sufficient for eFoil \/ underwater use?\u003c\/strong\u003e\u003cbr\u003eThe ESC body is sealed to 5 meters depth. The wire exit point is not fully sealed — for underwater installations, wrap the cable exit with self-amalgamating tape or use the optional 120A waterproof connectors (available in the bundle variant) to seal the phase connections. The ESC is designed for eFoil and water sports use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Can I run two ESCs in a dual-motor setup?\u003c\/strong\u003e\u003cbr\u003eYes. The CAN bus interface allows multiple Manatee 100 Pro units to be daisy-chained for synchronized dual-motor control. This is commonly used in dual-drive electric skateboards and twin-thruster watercraft. Configure master\/slave roles in VESC Tool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Do I need the waterproof connector bundle, or can I use my own connectors?\u003c\/strong\u003e\u003cbr\u003eThe base \"M 100 PRO\" variant ships without phase connectors — you can solder your own (XT60, MR60, or bare wire). The \"M 100 PRO + Waterproof Connectors ×3\" bundle includes 3× Firduo 120A waterproof connectors, which are recommended for any wet or submerged installation to prevent corrosion and short circuits.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px;\" alt=\"Firduo ESC compatibility overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/f4b3da9554de4e60ffd11b8edcb16ff8_2c894297-2540-4c2f-b0d5-04fccb3d1fd7_1024x1024.jpg?v=1775614803\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"M 100 PRO","offer_id":47276323045554,"sku":"M 100 PRO","price":109.0,"currency_code":"USD","in_stock":true},{"title":"M 100 PRO+Waterproof connectors *3","offer_id":47276323078322,"sku":"M 100 PRO+C*3","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/3_b72bb3dc-98f3-4872-9f5a-4d1f407f587f.jpg?v=1775615629"},{"product_id":"firduo-2kw-water-sports-power-waterproof-kit-for-efoil-esurfboard-hydrofoil","title":"Firduo 2KW Waterproof Efoil Kit for Electric Surfboard \u0026 Hydrofoil","description":"\u003ch3\u003e🌊 Ride the Water. Own the Wave.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 2KW Waterproof Efoil Kit\u003c\/strong\u003e is a complete, plug-and-play propulsion system engineered for electric paddleboard,electric surfboards, hydrofoils, and eFoil builds. Combining the \u003cstrong\u003eManatee 100 Pro VESC\u003c\/strong\u003e, \u003cstrong\u003eTUNA Underwater Thruster\u003c\/strong\u003e, and \u003cstrong\u003eVX3 Waterproof Remote\u003c\/strong\u003e, this kit delivers up to \u003cstrong\u003e18.5 KGF of thrust\u003c\/strong\u003e with full waterproof protection — so you can focus on the ride, not the wiring.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete 3-in-1 Kit\u003c\/strong\u003e — ESC + Thruster + Remote, fully matched and tested\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUp to 18.5 KGF Thrust\u003c\/strong\u003e @ 30A \/ 1430W input power\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFull Waterproof System\u003c\/strong\u003e — ESC rated 5m depth; Remote IP67\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range\u003c\/strong\u003e — 4S–20S (14–84V), compatible with most LiPo\/Li-ion packs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Protocol Support\u003c\/strong\u003e — PPM, UART, CAN, USB for flexible integration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSmart Remote Display\u003c\/strong\u003e — 1.6\" screen with GPS, motor power, MOS temp \u0026amp; throttle bar\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCruise Control (eSurf Mode)\u003c\/strong\u003e — lock speed for hands-free cruising\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWireless Magnetic Charging\u003c\/strong\u003e on VX3 remote — no exposed ports\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW \u0026amp; CCW Variants Available\u003c\/strong\u003e — choose correct rotation for your build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003ch4\u003eManatee 100 Pro ESC\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 meters (except wire end)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4S–20S (14–84V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB, CAN, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPM, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBased On\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC open-source platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eTUNA Underwater Thruster\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13S (reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e10A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500W input → 10.8 KGF thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e750W input → 13.6 KGF thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e20A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e980W input → 15.4 KGF thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e25A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1210W input → 17.6 KGF thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e30A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1430W input → 18.5 KGF thrust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eVX3 Waterproof Remote\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6\" color screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Shown\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS, motor power, MOS temp, throttle bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWireless magnetic charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemote + Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecial Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eeSurf cruise control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003ePackage Dimensions\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBox Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL380 × W320 × H220 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Manatee 100 Pro ESC (waterproof, VESC-based)\u003c\/li\u003e\n\u003cli\u003e1× TUNA Underwater Thruster (CW or CCW — per variant selected)\u003c\/li\u003e\n\u003cli\u003e1× VX3 Waterproof Remote Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery not included. Board\/foil not included.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil boards\u003c\/strong\u003e — direct-drive thruster mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric surfboards (eSurf)\u003c\/strong\u003e — use eSurf cruise mode on VX3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Kayak conversions\u003c\/strong\u003e — fin-mount compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–16S LiPo or Li-ion pack recommended (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePropeller\u003c\/strong\u003e: matched to TUNA thruster shaft (CW or CCW — select correct variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade option\u003c\/strong\u003e: \u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eManatee 100 Pro standalone page\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e | \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/tuna-underwater-thruster-1500w-18-5kgf-electric-fin-for-sup-surfboards-kayaks-rov-auv-usv\" target=\"_blank\"\u003eTUNA Thruster standalone page\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e | \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eVX3 Remote standalone page\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide (Quick Start)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect your variant\u003c\/strong\u003e — CW (clockwise) or CCW (counter-clockwise) based on your thruster mount orientation. When viewed from behind the board, CW spins right; CCW spins left.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the TUNA thruster\u003c\/strong\u003e — secure to your board's fin box or custom mount. Ensure the motor cable is routed away from moving parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect ESC → Thruster\u003c\/strong\u003e — plug the 3-phase motor wires into the Manatee 100 Pro. Match phase order (A-B-C); direction can be reversed in VESC Tool if needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect ESC → Battery\u003c\/strong\u003e — use an XT90,AS150 anti-spark connector or waterproof connector with continuous current \u0026gt; 50A. Verify voltage is within 14–84V range before powering on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePair VX3 Remote\u003c\/strong\u003e — power on ESC first, then remote. You can set it up according to the VX3 user manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e (optional) — connect via USB to fine-tune motor detection, current limits, and throttle curves for your specific setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test\u003c\/strong\u003e — start at low throttle (10A) in calm water. Gradually increase power. Check all connections are dry before each session.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e📹 \u003cstrong\u003eVideo walkthrough:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jFTUEFCs704?si=p4zIiLQqBEJ2QkrN\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Do I need to configure the ESC before use?\u003c\/strong\u003e\u003cbr\u003eFor most builds, the kit works out of the box with default VESC settings. However, we recommend running motor auto-detection via VESC Tool (free, PC\/Mac) to optimize performance for your specific motor and battery combination. Bluetooth connectivity is also supported.Our support team can provide a recommended config file on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: CW vs CCW — which variant do I need?\u003c\/strong\u003e\u003cbr\u003eThis depends on your thruster's mounting orientation. When looking at the thruster from behind (water-facing side), CW rotates clockwise and CCW rotates counter-clockwise. when viewed from behind the board (water-facing side), CW rotates clockwise and CCW rotates counter-clockwise. Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW. If unsure, contact us with your board specs and we'll advise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What battery do I need, and is it included?\u003c\/strong\u003e\u003cbr\u003eThe kit supports 4S–20S (14–84V). For eFoil use, a 12S–16S LiPo or Li-ion pack (minimum 30A continuous discharge) is recommended. Battery is \u003cstrong\u003enot included\u003c\/strong\u003e. We recommend sourcing a pack rated for at least 50A burst discharge for full-power performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the ESC truly waterproof? What about the connectors?\u003c\/strong\u003e\u003cbr\u003eThe Manatee 100 Pro ESC body is waterproof to 5 meters depth. The wire end (where cables exit) is not fully sealed — ensure this area is above the waterline or use additional waterproofing (For example, waterproof silicone sealant or waterproof connectors.) on the cable exit point. The VX3 remote is IP67 rated (submersible to 1m for 30 min).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this kit for an ROV, AUV, or non-surfboard application?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA thruster supports ROV\/AUV\/USV applications. The UART\/CAN interface on the Manatee 100 Pro for autonomous or remotely operated vehicles. Contact us for application-specific wiring diagrams.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eThe technical information is as follows: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/Manatee_100_Pro_VESC_User_Manual.pdf?v=1776266385\" title=\"Firduo Manatee 100 PRO 75V 100A VESC ESC Waterproof Case For Electric Surfboard \u0026amp; Electric Skateboard\" rel=\"noopener\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003e\u003cstrong\u003e📄 Manatee 100 Pro VESC user manual(PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003e\u003ca rel=\"noopener\" title=\"TUNA underwater thruster 2D drawings\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a1-1.pdf?v=1776697149\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003e📄 TUNA Underwater Thruster 2D drawings (PDF)\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003e🔧 \u003cspan\u003e\u003ca href=\"https:\/\/vesc-project.com\/\" rel=\"noopener\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003eFirmware Download \/ Update via VESC Tool\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A1-1 (CW) KIT","offer_id":47280270442674,"sku":"TT160-A1-1 (CW) KIT","price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-1 (CCW) KIT","offer_id":47280270475442,"sku":"TT160-A1-1 (CCW) KIT","price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CW) KIT","offer_id":47280270508210,"sku":"TT160-A1-2 (CW) KIT","price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CCW) KIT","offer_id":47280270540978,"sku":"TT160-A1-2 (CCW) KIT","price":509.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_41ae102c-8e1d-483b-80df-73545836596e.jpg?v=1775723407"},{"product_id":"firduo-tuna-1500w-18-5kgf-electric-fin-vx3-kit-sup-kayak-surfboard","title":"Firduo TUNA Thrust System 1500W 18.5KGF + VX3 Remote Kit for SUP \u0026 Surfboard \u0026 Kayak","description":"\u003ch2\u003e🌊 Complete Plug-and-Ride Propulsion. No ESC Tuning Required.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo TUNA TT160-A2 + VX3 Kit\u003c\/strong\u003e is a complete, integrated electric fin propulsion system for SUP boards, surfboards, paddle boards, and kayaks. Combining the \u003cstrong\u003eTUNA TT160-A2 thrust system\u003c\/strong\u003e (built-in waterproof motor + waterproof ESC) with the \u003cstrong\u003eVX3 IP67 waterproof remote\u003c\/strong\u003e, this kit delivers up to \u003cstrong\u003e18.5 KGF of thrust at 1500W\u003c\/strong\u003e with a fluid-optimized design for maximum efficiency and minimum drag. Simply add your 10–14S battery and Waterproof details(Waterproof connector\/power plug) — everything else is included and pre-integrated.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18.5 KGF Max Thrust @ 30A \/ 1430W\u003c\/strong\u003e — powerful enough for SUP, kayak, and surfboard propulsion\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBuilt-in Waterproof Motor + ESC\u003c\/strong\u003e — fully integrated, no separate ESC wiring or tuning required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFluid-Optimized Design\u003c\/strong\u003e — large thrust, small resistance, low power consumption\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e360° Large-Flow Water Inlet\u003c\/strong\u003e — maximizes water intake efficiency at all angles\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Strength All-Aluminum Alloy Anode Shell\u003c\/strong\u003e — corrosion-resistant for salt and fresh water\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUniversal Fin Interface + DIY Interface\u003c\/strong\u003e — fits standard fin boxes and custom mounts\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW \u0026amp; CCW Propeller Options\u003c\/strong\u003e — \u003cspan\u003eSingle drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX3 IP67 Remote Included\u003c\/strong\u003e — 1.6\" display, cruise control, GPS, wireless  charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePPM\/PWM Signal Support\u003c\/strong\u003e — The wiring is simple and it is easy to use.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📋 Full Specifications\u003c\/h2\u003e\n\u003ch4\u003eTUNA TT160-A2 Thrust System\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVoltage Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10–14S (36–58.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.0 KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eContinuous Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.5 KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePeak Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eContinuous Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eShell Material\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigh-strength aluminum alloy (anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWater Inlet\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e360° large-flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePropeller Options\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCW or CCW (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMount Interface\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUniversal fin box + DIY interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePower Cable\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10AWG silicone, 110cm (black\/red) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSignal Cable\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e11AWG silicone, PPM\/PWM (black −, red +, white signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNet Weight (Thruster)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.93 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 style=\"margin-top: 16px;\"\u003e📈 Thrust Performance (@ 13S)\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eCurrent\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eInput Power\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eThrust (KGF)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e500W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10.8 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e15A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e750W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e13.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e20A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e980W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e15.4 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e25A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1210W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e17.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e30A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1430W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center; margin: 20px 0;\"\u003e\u003cimg style=\"max-width: 100%;\" alt=\"Firduo TUNA TT160-A2 thrust system 1500W 18.5KGF electric fin for SUP kayak surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.jpg?v=1767928946\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e📄 \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.pdf?v=1776697130\" target=\"_blank\"\u003e\u003cstrong\u003eDownload TUNA TT160-A2 2D Drawings (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4 style=\"margin-top: 20px;\"\u003eVX3 Waterproof Remote\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0f0f0;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.6\" super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eData Shown\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGPS, motor power, MOS temp, throttle bar, telemetry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eESC Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVESC and Non-VESC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRide Modes\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eESK8 mode \/ eSurf mode (switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCruise Control\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eYes (Limited to eSurf mode-UART control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1500 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCharging\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWireless charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eControl Mode\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eESC Fault Detection\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eYes — real-time ESC failure reporting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIncludes\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRemote + Receiver+Wireless charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× TUNA Thrust System (Tail fin or DIY per variant, CW or CCW per variant)\u003c\/li\u003e\n\u003cli\u003e1× VX3 Remote Controller\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery not included.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/8a39b0bdfab9ca86caa50ff6bd0ffb82.jpg?v=1767928948\" alt=\"Firduo TUNA Thrust System Wiring and Connection Diagram\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/DIY_7fdf815a-9176-4798-9861-ffd3c0ff072b.jpg?v=1767928947\" alt=\"Firduo TUNA DIY Installation Module Universal Fin Box Interface\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTUNA Thruster standalone:\u003c\/strong\u003e \u003ca href=\"https:\/\/firduo.com\/products\/firduo-tuna-tt160-a2-1500w-thrust-system-electric-fin\" rel=\"noopener\" target=\"_blank\"\u003eFirduo TUNA Thrust System →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVX3 Remote standalone:\u003c\/strong\u003e \u003ca href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" rel=\"noopener\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote →\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Stand-Up Paddle Board\u003c\/strong\u003e — universal fin box mount, drop-in installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurfboard \/ Shortboard\u003c\/strong\u003e — tail fin version fits standard fin boxes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKayak \/ Canoe\u003c\/strong\u003e — DIY interface for custom transom or hull mounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" title=\"Firduo 50A Self-Locking IP67 Waterproof Cable Connector For batteries \u0026amp; Water sports \u0026amp; Ebike\" href=\"https:\/\/firduo.com\/collections\/other\/products\/firduo-50a-self-locking-waterproof-cable-connector\" target=\"_blank\"\u003e\u003cspan\u003eFirduo 50A Waterproof Power Connector\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e— Power matching with propulsion system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 10–14S LiPo or Li-ion (36–58.8V), minimum 30A continuous discharge recommended (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Thruster :\u003c\/strong\u003e If you do not need the remote control, you can select only the thruster system-\u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/products\/firduo-tuna-tt160-a2-1500w-thrust-system-electric-fin\" target=\"_blank\"\u003eFirduo TUNA Thrust System →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVX3 Remote standalone:\u003c\/strong\u003e \u003ca rel=\"noopener\" href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/fully-waterproof-remote-controller-vx3-for-electric-surfboard-efoil-and-electric-skateboard\" target=\"_blank\"\u003eFirduo VX3 Waterproof Remote →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠️ Setup Guide (Quick Start)\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your variant\u003c\/strong\u003e — Select A2-1 (tail fin version) or A2-2 (DIY version) based on your board's mount type.\u003cspan\u003eWhen viewed from behind the board, CW rotates clockwise. Single drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the thruster\u003c\/strong\u003e — For the tail fin version (A2-1): slide into your board's standard fin box and secure with the fin pin. For the DIY version (A2-2): attach to your custom mount using the multi-functional installation module. Ensure the thruster is fully submerged when the board is in the water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the power cable\u003c\/strong\u003e — It is recommended to use a power plug and socket rated at 50A or higher to connect the battery. The power cable is 110cm — route it cleanly along the board to avoid drag. Observe polarity: red = positive, black = negative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the signal cable\u003c\/strong\u003e — Plug the PPM\/PWM signal cable into the VX3 receiver output. Pin assignment: black = GND (−), red = VCC (+), white = signal. Ensure the receiver is paired to the VX3 remote before connecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect ride mode\u003c\/strong\u003e — On the VX3, switch to \u003cstrong\u003eeSurf mode\u003c\/strong\u003e for water use. This enables  optimizes throttle response for SUP\/kayak propulsion. ESK8 mode is for land-based applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test\u003c\/strong\u003e — Start at low throttle (10A \/ 500W) in calm water. Verify thrust direction — the board should move forward. Gradually increase throttle. Check all connections are dry and secure before full-power runs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003e❓ FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between the A2-1 and A2-2 variants, and CW vs CCW?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eA2-1\u003c\/strong\u003e is the tail fin version — it uses a standard fin box interface and installs like a regular surfboard fin. The \u003cstrong\u003eA2-2\u003c\/strong\u003e is the DIY version with a custom mount interface for non-standard boards or kayaks. For propeller direction: \u003cstrong\u003eCW\u003c\/strong\u003e (clockwise) and \u003cstrong\u003eCCW\u003c\/strong\u003e (counter-clockwise) refer to the propeller rotation when viewed from behind. \u003cspan\u003eSingle drive, with the option to freely choose between CW and CCW.If dual drive is required, please select both CW and CCW.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Do I need to configure the ESC or install any software?\u003c\/strong\u003e\u003cbr\u003eNo. The TUNA TT160-A2 has a fully integrated, pre-configured ESC. There is no VESC Tool setup, motor detection, or parameter tuning required. Simply connect your battery and PPM\/PWM remote signal — the system is ready to use out of the box. This makes it ideal for builders who want a plug-and-ride solution without technical ESC configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What battery do I need, and what connector is required?\u003c\/strong\u003e\u003cbr\u003eThe system supports 10–14S (36–58.8V). For SUP and kayak use, a 12S–13S LiPo or Li-ion pack with minimum 30A continuous discharge is recommended. Ensure your battery has a matching waterproof connector. Battery is not included.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the VX3 remote waterproof? Can I drop it in the water?\u003c\/strong\u003e\u003cbr\u003eYes. The VX3 is rated \u003cstrong\u003eIP67\u003c\/strong\u003e — it can be submerged to 1 meter for up to 30 minutes. It is designed for water sports use and will survive splashes, rain, and brief submersion. The wireless charging port is sealed, so there are no exposed charging ports to worry about. Rinse with fresh water after salt water use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this kit with my own remote instead of the VX3?\u003c\/strong\u003e\u003cbr\u003eYes. The TUNA TT160-A2 accepts  standard \u003cstrong\u003ePPM\/PWM signal\u003c\/strong\u003e, so it is compatible with most RC receivers and remotes. The VX3 is included in this kit for convenience, but if you already have a compatible PPM remote, you can use it instead. Please note that a waterproof remote control is recommended for water sports.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e462aee6a7ec9fd3fc77234538abd363.jpg?v=1694684622\" alt=\"Firduo TUNA TT160-A2 VX3 kit package contents overview\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A2-1 （CW）KIT","offer_id":47580516843698,"sku":"TT160-A2-1 （CW）KIT","price":619.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-1（CCW）KIT","offer_id":47580516876466,"sku":"TT160-A2-1（CCW）KIT","price":619.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2 （CW）KIT","offer_id":47580516909234,"sku":"TT160-A2-2 （CW）KIT","price":619.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2（CCW）KIT","offer_id":47580516942002,"sku":"TT160-A2-2（CCW）KIT","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/2_5e016771-c2a0-4604-8581-f93831264f9c.jpg?v=1781444621"},{"product_id":"firduo-tuna-pro-kit-1500w-18-5kgf-electric-fin-20ah-battery-vx3","title":"Firduo TUNA Thrust System PRO KIT 1500W 18.5KGF + 20Ah Battery + VX3 Remote for SUP \u0026 Kayak","description":"\u003ch3\u003e🌊 Complete PRO Kit. Plug In. Paddle Faster.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo TUNA Thrust System PRO KIT\u003c\/strong\u003e is a complete, ready-to-ride electric propulsion bundle for SUP, surfboards, paddleboards, and kayaks — combining the \u003cstrong\u003eTUNA TT160 1500W Electric Fin Thruster\u003c\/strong\u003e, \u003cstrong\u003eVX3 IP67 Waterproof Remote\u003c\/strong\u003e, and \u003cstrong\u003eFD13S5P 20Ah Fully Waterproof Battery\u003c\/strong\u003e in one matched system. Everything you need to electrify your board is included — just mount, connect, and ride.\u003c\/p\u003e\n\u003cp\u003eThe TUNA thruster delivers up to \u003cstrong\u003e18.5 KGF thrust at 30A \/ 1430W\u003c\/strong\u003e with a fluid-optimized design for large thrust, low resistance, and low power consumption. The all-aluminum alloy anode shell, 360° large-flow water inlet, and high-thrust propeller are engineered for sustained water sport performance. Available in four variants: \u003cstrong\u003eTail Fin (A2-1)\u003c\/strong\u003e or \u003cstrong\u003eDIY interface (A2-2)\u003c\/strong\u003e, each in \u003cstrong\u003eCW or CCW\u003c\/strong\u003e propeller rotation.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo TUNA Thrust System 1500W 18.5KGF Electric Fin for SUP Kayak Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.jpg?v=1767928946\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/tt160a2-1.pdf?v=1776697130\" target=\"_blank\"\u003e\u003cstrong\u003eDownload TUNA Thrust System 2D Drawings (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete PRO Kit\u003c\/strong\u003e — TUNA thruster + VX3 remote + 20Ah waterproof battery; everything included\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e18.5 KGF Maximum Thrust\u003c\/strong\u003e — at 30A \/ 1430W input on 13S; scalable from 10.8 KGF at 500W\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1500W Continuous \/ 2000W Peak Power\u003c\/strong\u003e — sustained high-thrust for SUP, surfboard, and kayak propulsion\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFluid-Optimized Design\u003c\/strong\u003e — large thrust, small resistance, low power consumption\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e360° Large-Flow Water Inlet\u003c\/strong\u003e — maximizes water intake for consistent thrust at all angles\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigh-Strength All-Aluminum Alloy Anode Shell\u003c\/strong\u003e — corrosion-resistant, lightweight, durable for saltwater use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUniversal Fin Interface (A2-1) or DIY Interface (A2-2)\u003c\/strong\u003e — fits standard fin boxes or custom mounts\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCW or CCW Propeller\u003c\/strong\u003e — select rotation direction for single or dual-thruster builds\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFully Waterproof Motor + ESC\u003c\/strong\u003e — integrated thruster and control system; fully sealed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e50A Continuous Waterproof Power Plug\u003c\/strong\u003e — quick self-locking battery connection; no tools required\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX3 IP67 Remote\u003c\/strong\u003e — 1.6-inch display,1500mAh Battery; wireless charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e20Ah \/ 936Wh Fully Waterproof Battery\u003c\/strong\u003e — 5m waterproof, 40A continuous, 3.5h fast charge, 46.8V (13S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003eTUNA TT160 Thrust System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 415.6px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003eTT160-A2-1 (Tail Fin) \/ TT160-A2-2 (DIY Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eContinuous Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003e1,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003e10S–14S (36V–58.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003eInstantaneous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003eMax Thrust (13S \/ 30A)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003ePropeller Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003eCW or CCW (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eWater Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003e360° large-flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 23.6px;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 23.6px;\"\u003eHigh-strength all-aluminum alloy, anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003eFully waterproof (motor + ESC integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003ePower Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003e10AWG silicone, 110cm Red + Black; 50A continuous waterproof plug included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 39.2px;\"\u003e\u003cstrong\u003eSignal Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 39.2px;\"\u003e11AWG silicone; Black −, Red +, White signal; PPM\/PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.4583%; height: 19.6px;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.3036%; height: 19.6px;\"\u003e2.93 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eThrust Data (13S Voltage)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eThrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003ctd\u003e500W\u003c\/td\u003e\n\u003ctd\u003e10.8 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003ctd\u003e750W\u003c\/td\u003e\n\u003ctd\u003e13.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003ctd\u003e980W\u003c\/td\u003e\n\u003ctd\u003e15.4 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003ctd\u003e1,210W\u003c\/td\u003e\n\u003ctd\u003e17.6 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003ctd\u003e1,430W\u003c\/td\u003e\n\u003ctd\u003e18.5 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(0, 0, 255); text-decoration: underline;\" href=\"https:\/\/firduo.com\/products\/7318593405106\" target=\"_blank\"\u003eVX3 IP67 Waterproof Remote Controller\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 274.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 39.2px;\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 39.2px;\"\u003eGPS, motor power, MOS temperature, throttle progress bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eESC Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 39.2px;\"\u003eVESC and Non-VESC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 39.2px;\"\u003eESK8 mode \/ E-surf mode (cruise control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003e1,500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003eWireless magnetic charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eESC Failure Alert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003eYes (real-time detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.5%; height: 19.6px;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003eFD13S5P Waterproof Battery\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFD13S5P（5C）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46.8V (13S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20Ah \/ 936Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully waterproof, ≤5m depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuick Charge Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Adapter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54.6V \/ 5A fast charger (contact charging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstall Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuick plug self-locking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× TUNA Thrust System (A2-1 Tail Fin or A2-2 DIY, CW or CCW — per selected variant)\u003c\/li\u003e\n\u003cli\u003e1× VX3 Remote Controller (with receiver)\u003c\/li\u003e\n\u003cli\u003e1× FD13S5P 20Ah \/ 936Wh Battery (46.8V, 13S)\u003c\/li\u003e\n\u003cli\u003e1× 54.6V \/ 5A Fast Charger\u003c\/li\u003e\n\u003cli\u003e1× 50A Waterproof power plug(Pre-installed on the power cord)\u003c\/li\u003e\n\u003cli\u003e1× Receiver waterproof box (pre-installed - connects to PWM signal cable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Board not included. Select CW or CCW propeller direction based on your build — for dual-thruster builds, use one CW and one CCW unit.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Firduo TUNA Thrust System Wiring and Connection Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/8a39b0bdfab9ca86caa50ff6bd0ffb82.jpg?v=1767928948\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"Firduo TUNA DIY Installation Module Universal Fin Box Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/DIY_7fdf815a-9176-4798-9861-ffd3c0ff072b.jpg?v=1767928947\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUP \/ Paddleboard\u003c\/strong\u003e — A2-1 Tail Fin version fits standard fin boxes; A2-2 DIY version for custom mounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurfboard \/ Kayak \/ Fishing Boat\u003c\/strong\u003e — 18.5 KGF thrust for assisted paddling and motorized propulsion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Thruster Builds\u003c\/strong\u003e — combine one CW + one CCW unit for twin-thruster for greater thrust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTUNA Thruster Only\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo TUNA Thrust System 1500W 18.5KGF Electric Fin Thruster for SUP \u0026amp; Kayak\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-tuna-tt160-a2-1500w-thrust-system-electric-fin\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo TUNA Thrust System \u003c\/span\u003e\u003c\/a\u003e— purchase thruster separately if you have an existing battery and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVX3 Remote Only\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo VX3 Waterproof Remote UART \u0026amp; PWM for Efoil \u0026amp; Electric Surfboard\" href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/firduo-vx3-waterproof-remote-efoil-electric-surfboard\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo VX3 Remote\u003c\/span\u003e\u003c\/a\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/7318593405106\" target=\"_blank\"\u003e\u003c\/a\u003e — replacement or standalone remote purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTUNA + VX3 Kit (No Battery)\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo TUNA Thrust System 1500W 18.5KGF + VX3 Remote Kit for SUP \u0026amp; Surfboard \u0026amp; Kayak\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-tuna-1500w-18-5kgf-electric-fin-vx3-kit-sup-kayak-surfboard\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo TUNA Thrust System VX3 Electric Fin Kit\u003c\/span\u003e\u003c\/a\u003e — thruster + remote without battery for riders with existing power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderwater Thruster Motor Only\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo TUNA 1500W 18.5KGF Thruster Electric Fin for SUP \u0026amp; Kayak \u0026amp; Surfboards\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-tuna-tt160-a3-1500w-18-5kgf-electric-fin\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo TUNA Thruster Motor (CW\/CCW)\u003c\/span\u003e \u003c\/a\u003e— motor unit for custom ROV or AUV builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect the correct variant\u003c\/strong\u003e — choose \u003cstrong\u003eA2-1 (Tail Fin)\u003c\/strong\u003e if your board has a standard fin box (US box, Futures, FCS); choose \u003cstrong\u003eA2-2 (DIY Interface)\u003c\/strong\u003e for custom mounting. Select \u003cstrong\u003eCW\/CCW\u003c\/strong\u003e for standard single-thruster builds; for dual-thruster builds, order one CW and one CCW unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the thruster\u003c\/strong\u003e — for A2-1: insert the TUNA fin into your board's fin box and secure with the fin pin. For A2-2: attach the DIY mounting bracket to your board using the provided interface and secure firmly. Ensure the thruster is fully seated and the propeller has clear water flow with no obstructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the battery\u003c\/strong\u003e — align the FD13S5P battery's quick self-locking plug with the thruster's 50A waterproof power plug. Push and rotate to lock — the connection is secure when fully engaged. Do not force-pull without unlocking the self-locking mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the VX3 receiver\u003c\/strong\u003e — connect the VX3 receiver's signal cable to the thruster's 11AWG signal cable (White = signal, Red = power, Black = ground). The thruster's ESC powers the receiver directly — no separate BEC is required. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower on sequence\u003c\/strong\u003e — power on the VX3 remote first, then connect the battery to the thruster. Verify the VX3 display shows receiver connection. Move the throttle trigger slowly to confirm the thruster responds correctly at low speed before entering the water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 20–30% throttle in calm, shallow water. Verify smooth thruster operation, check for vibration or unusual noise, and confirm the propeller rotates in the correct direction (pushing the board forward). Increase to full power only after confirming correct operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging the battery\u003c\/strong\u003e — connect the 54.6V \/ 5A fast charger to the FD13S5P battery's charging port. Full charge from empty takes approximately 3.5 hours. The battery's contact charging interface is fully waterproof — rinse with fresh water after saltwater use before charging.Please note that you should not drain the battery to 100% to avoid damaging it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between the A2-1 (Tail Fin) and A2-2 (DIY Interface) variants?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eA2-1 (Tail Fin)\u003c\/strong\u003e version uses a standard fin-box interface — it installs directly into your board's existing fin box (Please refer to and compare the tail fin version; if you are unsure whether it is compatible with the fin box, please contact us.) like a regular surfboard fin. No drilling or modification required. The \u003cstrong\u003eA2-2 (DIY Interface)\u003c\/strong\u003e version has a custom mounting interface for boards without a standard fin box, or for custom mounting positions. Choose A2-1 for standard boards; choose A2-2 for custom builds or boards without fin boxes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How do I choose between CW and CCW propeller rotation?\u003c\/strong\u003e\u003cbr\u003eFor a \u003cstrong\u003esingle-thruster build\u003c\/strong\u003e, either CW or CCW will work — the propeller direction determines which way the thruster pushes. For \u003cstrong\u003edual-thruster builds\u003c\/strong\u003e (two thrusters side by side), use one CW and one CCW unit to cancel out rotational torque and maintain straight tracking. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How long does the 20Ah battery last per charge?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eFD13S5P 20Ah \/ 936Wh battery\u003c\/strong\u003e provides approximately \u003cstrong\u003e60–90 minutes of riding\u003c\/strong\u003e at moderate throttle (15–20A \/ 700–950W). At full throttle (30A \/ 1430W), runtime is approximately 40 minutes. Actual runtime depends on rider weight, board type, water conditions, and throttle usage. The battery charges fully in \u003cstrong\u003e3.5 hours\u003c\/strong\u003e with the included 54.6V \/ 5A fast charger.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the battery truly waterproof? Can I submerge it?\u003c\/strong\u003e\u003cbr\u003eYes — the FD13S5P battery is rated \u003cstrong\u003efully waterproof to 5 meters depth\u003c\/strong\u003e. It is designed for water sport use and can be submerged during normal SUP, surfboard, and kayak operation. The quick self-locking power plug is also waterproof — ensure it is fully locked before entering the water.If the power connector accidentally comes into contact with seawater, rinse the battery charging port with fresh water before charging to prevent corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use the TUNA thruster with my existing battery and remote instead of the PRO KIT?\u003c\/strong\u003e\u003cbr\u003eYes — the TUNA thruster accepts any \u003cstrong\u003e10S–14S battery (36V–58.8V)\u003c\/strong\u003e with a 50A+ continuous discharge rating via the included waterproof power plug. It also accepts \u003cstrong\u003ePPM\/PWM remote\u003c\/strong\u003e via the signal cable. If you already have a compatible battery and remote, purchase the \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/8712035303602\" target=\"_blank\"\u003eTUNA TT160 Thrust System standalone\u003c\/a\u003e or the \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/8908200444082\" target=\"_blank\"\u003eTUNA + VX3 Kit (without battery)\u003c\/a\u003e instead of the full PRO KIT.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/e462aee6a7ec9fd3fc77234538abd363.jpg?v=1694684622\" alt=\"Firduo TUNA PRO KIT Complete System TUNA Thruster VX3 Remote 20Ah Battery SUP Kayak\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"TT160-A2-1 （CW）PRO KIT","offer_id":47580533391538,"sku":"TT160-A2-1-CW-PRO KIT","price":969.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-1 （CCW）PRO KIT","offer_id":47580533424306,"sku":"TT160-A2-1-CCW-PRO KIT","price":969.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2（CW）PRO KIT","offer_id":47580533457074,"sku":"TT160-A2-2-CW-PRO KIT","price":969.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2（CCW）PRO KIT","offer_id":47580533489842,"sku":"TT160-A2-2-CCW-PRO KIT","price":969.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_10399750-e27f-4133-8ae0-cbd1a96bed26.jpg?v=1781446464"},{"product_id":"firduo-3kw-efoil-kit-65122-motor-manatee-100-vesc-vx3-remote","title":"Firduo 3KW eFoil Kit – Manatee 100 ESC + 65122 Motor + VX3 Remote for Hydrofoil \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 3KW Drive System. VESC-Based. Ready to Build.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 3KW eFoil Kit\u003c\/strong\u003e is a complete, pre-matched propulsion bundle combining the \u003cstrong\u003e65122-130KV Waterproof Brushless Motor\u003c\/strong\u003e, \u003cstrong\u003eManatee 100 75V 100A VESC\u003c\/strong\u003e, and \u003cstrong\u003eVX3 IP67 Waterproof Remote Controller\u003c\/strong\u003e — everything you need to power a high-performance eFoil, electric hydrofoil, or electric surfboard build.\u003c\/p\u003e\n\u003cp\u003eThe 65122 motor delivers \u003cstrong\u003e3,700W peak \/ 2,000W rated power\u003c\/strong\u003e with a 12mm threaded shaft (M8) and 18N\/6P internal structure — a significant step up from the 65111 for riders demanding more thrust and higher top speed. Paired with the \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e (75V \/ 100A continuous, VESC Tool 3.01 compatible) and the \u003cstrong\u003eVX3 IP67 remote\u003c\/strong\u003e with UART telemetry, this kit delivers a fully integrated, tunable drive system. Just add your battery, mount, and board.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete Matched 3KW System\u003c\/strong\u003e — 65122 motor, Manatee 100 VESC ESC, and VX3 remote pre-matched for voltage(13S), current, and signal compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e65122-130KV Motor\u003c\/strong\u003e — 3,700W peak \/ 2,000W rated, 12mm threaded shaft (M8), 6–20S voltage range, 100A max current\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e — 75V \/ 100A continuous \/ 200A peak, 6× IRF7769L MOSFETs, water-cooled, VESC Tool 3.01 compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX3 IP67 Waterproof Remote\u003c\/strong\u003e — 1.6-inch display, GPS, MOS temperature, cruise control, UART + PPM, wireless charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVESC Tool Full Configurability\u003c\/strong\u003e — motor auto-detection, throttle curve tuning, telemetry via UART; custom firmware 5.03 pre-installed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigher Torque \u0026amp; Thrust vs 65111\u003c\/strong\u003e — rated torque 2.9 N·m \/ max torque 5.5 N·m for demanding eFoil builds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSuitable for eFoil, Hydrofoil, Electric Surfboard\u003c\/strong\u003e — high-power drive system for performance water sport builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e65122-130KV Waterproof Brushless Motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65122-130KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 × 121.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eØ12mm × M8 threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18N \/ 6P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6S–20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,700W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.9 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3× 8AWG (6.00mm), with 8.0mm gold plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 500V \/ 1mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.92 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65161_Thread_Shaft.jpg?v=1781448730\" alt=\"Firduo 65122 Motor 12mm Threaded Shaft M8 Specification Drawing\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/458bfaf692273a10c7de1939fb5fdf85_1024x1024.jpg?v=1781448731\" alt=\"Firduo 65122-130KV Waterproof Brushless Motor Dimension View\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/6940985196722\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eManatee 100 — 75V 100A Water-Cooled VESC \u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 183.344px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e75V (recommended ≤16S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 26.5938px;\"\u003e\u003cstrong\u003eMOSFET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 26.5938px;\"\u003e6× IRF7769L (100V \/ 200A each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eWater-cooled, large-flux heat sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eADC, PPM, UART, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eCustom firmware 5.03 pre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eVESC Tool\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eCompatible with VESC Tool 3.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eBased on VESC75300 design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eVX3 — IP67 Waterproof Remote Controller\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eGPS, motor power, MOS temperature, throttle progress bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eESC Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eVESC and Non-VESC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eESK8 mode \/ E-surf mode (cruise control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003e1,500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eWireless charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eESC Failure Alert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eYes (real-time detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e162mm (two-blade span)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFolding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThreaded shaft — Firduo 65162\/65122 motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eeFoil, electric surfboard, kayak, RC boat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65.jpg?v=1761724777\" alt=\"Firduo 162mm 2-Blade Folding Propeller Dimension Drawing for 65162 Motor\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× 65122-130KV Motor (with 8.0mm gold plug phase wires)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/6940985196722\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003eManatee 100 VESC\u003c\/a\u003e (with XT90 connector, Micro USB cable, PPM cable, water pipe)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e VX3 Remote Controller\u003c\/a\u003e (with receiver)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e \u003c\/a\u003e\u003c\/span\u003e2-Blade Folding Propeller (Style optional)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery and waterproof connectors not included. The Manatee 100 cable connection points are not waterproof — seal all terminations before water use.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil\u003c\/strong\u003e — 65122 at 12S–16S for high-performance foil builds requiring more thrust than the 65111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard\u003c\/strong\u003e — 3KW+ peak power for aggressive acceleration and higher top speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade from 2KW Kit\u003c\/strong\u003e: This kit replaces the 65111 motor with the larger 65122 for riders who have outgrown the 2KW system — the Manatee 100 VESC and VX3 remote are identical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2KW Kit Alternative\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-2kw-waterproof-kit-75v-100a-esc-motor-remote-for-efoil-esurfboard\" title=\"Firduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 2KW eFoil Kit \u003c\/span\u003e\u003c\/a\u003e — lighter, lower-power option for beginners or lighter riders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESC Only\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-manatee100-high-voltage-75v-high-current-100a-esc-base-on-vesc-with-water-cooling-enclosure\" title=\"Firduo Manatee 100 75V 100A waterproof ESC Compatible VESC for eFoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo Manatee 100 VESC\u003c\/span\u003e\u003c\/a\u003e — purchase ESC separately if you have an existing motor and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Only\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-vx3-waterproof-remote-efoil-electric-surfboard\" title=\"Firduo VX3 Waterproof Remote UART \u0026amp; PWM for Efoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo VX3 Waterproof Remote\u003c\/span\u003e\u003c\/a\u003e — replacement or standalone remote purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Propeller\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/propeller\/products\/firduo-2-blades-folding-propeller-diameter-162mm-motor-boat-propellers-electric-engine-outboard-propeller-for-boat-kayak-efoil-surf\" title=\"Firduo 162mm 2-Blade Folding Propeller for Efoil \u0026amp; Kayak \u0026amp; RC Boat\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/span\u003e \u003c\/a\u003e— matched for 65122 motor on eFoil and kayak builds; M8 thread compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-250a-power-waterproof-connector-for-electric-hydrofoil-boat-surfboard-thruster-ejet-board-electric-bike?variant=45144866029746\" title=\"Firduo 120A-250A Waterproof Power Connector for Efoil \u0026amp; Surfboard \u0026amp; Electric Bike\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 120A–250A Waterproof Connector\u003c\/a\u003e \u003c\/span\u003e— for sealed battery-to-ESC connection rated for 120A+;    \u003ca rel=\"noopener\" title=\"Firduo 120A High Current and High Voltage Waterproof Plug Socket for Electric Hydrofoil \u0026amp; Surfboard\" href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" target=\"_blank\"\u003eF\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eirduo 120A Waterproof Plug Socket\u003c\/span\u003e \u003c\/a\u003e— for sealed ESC-to-motor connection rated for 120A+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Anti-Spark Switch\u003c\/strong\u003e: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/switch\/products\/anti-spark-switch-smart-280a-for-electric-skateboard-ebike-scooter-robots\" title=\"Firduo 200A Anti-Spark Switch Aluminum for Electric Skateboard \u0026amp; eBike \u0026amp; Robots\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 200A Anti-Spark Switch\u003c\/a\u003e\u003c\/span\u003e — protect ESC capacitors from battery connection arcing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 12S–16S LiPo or Li-ion pack, minimum 100A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify voltage compatibility\u003c\/strong\u003e — the Manatee 100 ESC supports up to \u003cstrong\u003e75V (16S max)\u003c\/strong\u003e; the 65122 motor supports up to 20S. Use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack\u003c\/strong\u003e for this kit. Factory default firmware is set for 13S — adjust in VESC Tool if using a different cell count. Ensure your battery has a minimum 100A continuous discharge rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor phase wires\u003c\/strong\u003e — connect the 3× 8AWG motor phase wires (It is recommended to use waterproof connectors for water sports) to the Manatee 100 ESC phase outputs. Rotation direction can be corrected by swapping any two phase wires, or via VESC Tool motor direction setting. Test rotation direction at low throttle before installing the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect water cooling\u003c\/strong\u003e — attach the Manatee 100 ESC's water cooling inlet and outlet to your board's water circuit. Ensure water flows through the ESC before running at high current. Secure hose connections with clamps to prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use a high-current connector rated for 100A+ (Firduo 120A–250A waterproof connector recommended). Use an anti-spark switch or pre-charge resistor to prevent connector arcing. Verify battery voltage matches your ESC configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX3 receiver (UART mode)\u003c\/strong\u003e — connect the VX3 receiver to the Manatee 100 ESC's UART port for full telemetry (motor power, MOS temperature, GPS on VX3 display). Power the receiver from the ESC's signal interface. Pair the VX3 remote with the receiver before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect the Manatee 100 to your PC via Micro USB (included). Open \u003cstrong\u003eVESC Tool 3.01\u003c\/strong\u003e, click \u003cstrong\u003eRead Parameters\u003c\/strong\u003e, run \u003cstrong\u003emotor auto-detection\u003c\/strong\u003e for the 65122 motor, set current limit according to actual usage needs, and click \u003cstrong\u003eWrite Parameters\u003c\/strong\u003e. If needed, please contact our support team: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003esupport@firduo.com\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal cable connections\u003c\/strong\u003e — the Manatee 100 enclosure is waterproof but cable connection points are not. Seal all battery, motor, and signal cable terminations with potting compound, adhesive heat-shrink, or waterproof cable glands before water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 20–30% throttle in calm water. Verify smooth motor operation, check water cooling flow, and confirm all connections are sealed before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between this 3KW kit and the 2KW eFoil Kit (Manatee 100 + 65111 + VX3)?\u003c\/strong\u003e\u003cbr\u003eBoth kits use the same \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e and \u003cstrong\u003eVX3 remote\u003c\/strong\u003e, but differ in the motor. The \u003cstrong\u003e2KW kit\u003c\/strong\u003e uses the 65111-150KV motor (2KW peak) — lighter and suited for beginners or lighter riders at 10S–14S. This \u003cstrong\u003e3KW kit\u003c\/strong\u003e uses the 65122-130KV motor (3,700W peak) — higher torque (5.5 N·m vs lower), more thrust, and better suited for heavier riders or performance builds at 12S–16S. The 65122 also has a larger 12mm threaded shaft for more secure propeller attachment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What battery is recommended for the 65122 motor at full power?\u003c\/strong\u003e\u003cbr\u003eFor the 65122 at full power (100A max current), use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack with minimum 100A continuous discharge\u003c\/strong\u003e.13S 20Ah pack with 100A continuous BMS is a common eFoil configuration. The Manatee 100 ESC is factory-set for 13S — adjust in VESC Tool if using a different cell count. Do not exceed \u003cstrong\u003e16S (67.2V)\u003c\/strong\u003e on the ESC.At the same time, do not exceed the power of the motor by \u003cstrong\u003e2kw\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Does the 65122 motor require a different propeller than the 65111?\u003c\/strong\u003e\u003cbr\u003eYes. The 65122 has a \u003cstrong\u003e12mm threaded shaft (M8)\u003c\/strong\u003e, compared to the 65111's 10mm shaft. Ensure your propeller hub is compatible with a 12mm M8 threaded shaft. The \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/propeller\/products\/firduo-2-blades-folding-propeller-diameter-162mm-motor-boat-propellers-electric-engine-outboard-propeller-for-boat-kayak-efoil-surf\" title=\"Firduo 162mm 2-Blade Folding Propeller for Efoil \u0026amp; Kayak \u0026amp; RC Boat\" style=\"color: rgb(0, 0, 255);\"\u003e2-Blade Folding Propeller\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e is compatible with the 65122 motor. Do not attempt to use a 10mm propeller hub on the 65122's 12mm shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Can I use the VX3 remote with full UART telemetry on the Manatee 100 ESC?\u003c\/strong\u003e\u003cbr\u003eYes — the Manatee 100 VESC supports \u003cstrong\u003eUART communication\u003c\/strong\u003e, which enables full VX3 telemetry: motor power, MOS temperature, GPS speed, and throttle progress bar on the VX3 display. Connect the VX3 receiver to the Manatee 100's UART port and configure UART mode in VESC Tool. This is the recommended connection method for this kit — it provides significantly more riding data than PPM-only mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: How do I configure the Manatee 100 ESC for the 65122 motor?\u003c\/strong\u003e\u003cbr\u003eConnect the Manatee 100 to your PC via the included Micro USB cable and open \u003cstrong\u003eVESC Tool 3.01\u003c\/strong\u003e. Click \u003cstrong\u003eRead Parameters\u003c\/strong\u003e, then run the \u003cstrong\u003emotor auto-detection wizard\u003c\/strong\u003e — VESC Tool will automatically measure the 65122 motor's resistance, inductance, and flux linkage. Set the motor's current limit as needed and battery current limit to match your battery's continuous discharge rating. Click \u003cstrong\u003eWrite Parameters\u003c\/strong\u003e to save. Custom firmware 5.03 is pre-installed — no firmware update required for standard builds. \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/73cbcbc788f023b7187856138bedd77c_03d46800-01f7-4ddc-a499-b2ad92bafbe8_1024x1024.jpg?v=1628478397\" alt=\"Firduo 3KW eFoil Kit Complete System 65122 Motor Manatee 100 ESC VX3 Remote\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"65122-1-Kit","offer_id":47591184662706,"sku":"65122-1-Kit","price":518.0,"currency_code":"USD","in_stock":true},{"title":"65122-2-Kit","offer_id":47591184695474,"sku":"65122-2-Kit","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_09113269-3b07-421c-b434-142871fc08d0.jpg?v=1781447247"},{"product_id":"firduo-75141-9kw-efoil-kit-200a-vesc-vx5-remote-hydrofoil","title":"Firduo eFoil Kit – 75141 100KV 9KW Motor + 200A VESC+ VX5 Remote for Hydrofoil \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 9KW Peak. 200A VESC. High-Resolution Remote. Built for Performance eFoil.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 75141 eFoil Kit\u003c\/strong\u003e is a complete, pre-matched high-power propulsion bundle combining the \u003cstrong\u003e75141-100KV 9KW Inrunner Motor\u003c\/strong\u003e, \u003cstrong\u003eFD75200 75V 200A VESC\u003c\/strong\u003e, and \u003cstrong\u003eVX5 IP68 Waterproof Remote\u003c\/strong\u003e — engineered for performance eFoil, jetboard, and high-power electric hydrofoil builds.\u003c\/p\u003e\n\u003cp\u003eThe 75141 motor delivers \u003cstrong\u003e9KW peak \/ 4.5KW rated power\u003c\/strong\u003e with 50 KGF maximum thrust, 12N·m maximum torque, and a 12mm shaft — the highest-output motor in the Firduo lineup. Paired with the \u003cstrong\u003eFD75200 VESC\u003c\/strong\u003e (200A continuous \/ 300A peak, IP68, USB + CAN + UART) and the \u003cstrong\u003eVX5 remote\u003c\/strong\u003e (5,000mAh, Beidou\/GPS, high-resolution display, 20 power levels, up to 20h battery life), this kit is built for riders who demand maximum performance and full configurability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete Matched High-Power System\u003c\/strong\u003e — 75141 motor, FD75200 VESC ESC, and VX5 remote pre-matched for voltage, current, and signal compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e75141-100KV Motor\u003c\/strong\u003e — 9KW peak \/ 4.5KW rated, 50 KGF max thrust, 12N·m max torque, 12mm shaft, 5S–18S (21–75V)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFD75200 200A VESC ESC\u003c\/strong\u003e — 200A continuous \/ 300A peak, 14–75V (3–16S), IP68 waterproof, USB + CAN + UART, regenerative braking\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX5 IP68 Waterproof Remote\u003c\/strong\u003e — 5,000mAh \/ 20h battery, Beidou+GPS+GNSS, high-resolution display, 20 power levels, L\/M\/H throttle gears\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e50 KGF Maximum Thrust\u003c\/strong\u003e — highest thrust output in the Firduo motor lineup for demanding eFoil builds\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFull VESC Configurability\u003c\/strong\u003e — motor auto-detection, throttle curve, RPM\/current\/voltage\/power limits via VESC Tool\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBeidou + GPS + GNSS Positioning\u003c\/strong\u003e — high-precision speed measurement and satellite count display on VX5\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX5 Floats in Water\u003c\/strong\u003e — internal large cavity design prevents sinking; no buoyancy rope required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/firduo-75141-brushless-inrunner-motor-100kv-9kw\" title=\"Firduo Brushless Inrunner Motor 75141 100KV 9KW for Efoil \u0026amp; Jetboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003e75141-100KV Inrunner Brushless Motor→\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 372.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e75141-100KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003eD75 × L141mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e100KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eInternal Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e18N \/ 20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003eØ12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003ePhase Wire Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e8mm gold plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eExtension Wire Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e1,300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e5S–18S (21–75V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e120A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e4,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e9,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eRated Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e6.2 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e12 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Thrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e50 KGF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eWorking Temp. Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003eFully waterproof\u003cspan\u003e (wire end excluded)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eInsulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003eAC 500V \/ 1mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003eFull black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 54.9133%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 44.7977%; height: 19.6px;\"\u003e2.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D75L141-100kv.jpg?v=1739500715\" alt=\"Firduo 75141 100KV Motor Dimension Drawing D75 L141mm 12mm Shaft\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Firduo FD75200 75V 200A Water-Cooled ESC – VESC Compatible For E-Foil\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eFD75200 — 75V 200A Water-Cooled VESC →\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 363.8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003e14–75V (3S–16S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 39.2px;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eMax Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003e300A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eERPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003e150,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 39.2px;\"\u003eIP68\u003cspan\u003e (wire end excluded)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eSensor Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003eABI, HALL, AS5047, AS5048A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 50.2px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 50.2px;\"\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 50.2px;\"\u003eUSB, CAN, UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003ePPM, Analog, NRF Nyko Kama Nunchuck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eMotor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003e8AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003e6AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eRegenerative Braking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 39.2px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 19.6px;\"\u003e\u003cstrong\u003eMotor Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 19.6px;\"\u003eDC \/ BLDC \/ FOC; sensored, sensorless, hybrid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 29.2619%; height: 39.2px;\"\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.5%; height: 39.2px;\"\u003eLow\/high voltage, high motor\/input current, high RPM, high regen braking current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Firduo VX5 Waterproof Remote 5000mAh for Electric Surfboard \u0026amp; Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/new-waterproof-remote-vx5-5000mah-with-high-resolution-display-for-electric-surfboard-electric-skateboard\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eVX5 — IP68 Waterproof Remote Controller →\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5,000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 hours continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositioning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeidou + GPS + GNSS (high-precision)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-resolution integrated screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrottle Gears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL \/ M \/ H (three gears, configurable throttle %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 levels in surfboard mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRiding Data Records\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 11 sessions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Fault Codes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStores up to 20 fault alarm codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLanguage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChinese \/ English \/ Russian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC, FTESC, FOCBOX, PPM and other protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuoyancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFloats in water (internal large cavity design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccessories Mount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in M6 nuts for flashlight \/ camera attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnline upgrade supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/8419155345586\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eFirduo 75141-100KV Motor\u003c\/a\u003e (with 8mm gold plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/4821350973517\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eFirduo FD75200 75V 200A VESC\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/8638465605810\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eFirduo VX5 Remote Controller\u003c\/a\u003e (with receiver)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Propeller and waterproof connectors not included. Ensure your battery is rated for 120A+ continuous discharge for full-power operation.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance eFoil \/ Hydrofoil\u003c\/strong\u003e — 75141 at 12S–16S for maximum thrust and top speed; 50 KGF thrust for heavier riders and larger boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJetboard \/ Electric Surfboard\u003c\/strong\u003e — 9KW peak power for aggressive acceleration and high-speed performance builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Only\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/firduo-75141-brushless-inrunner-motor-100kv-9kw\" title=\"Firduo Brushless Inrunner Motor 75141 100KV 9KW for Efoil \u0026amp; Jetboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003e75141-100KV Motor\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/firduo.com\/products\/8419155345586\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\u003e — purchase motor separately if you have an existing ESC and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESC Only\u003c\/strong\u003e: \u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/4821350973517\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Firduo FD75200 75V 200A Water-Cooled ESC – VESC Compatible For E-Foil\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFD75200 75V 200A VESC\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/firduo.com\/products\/4821350973517\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e — purchase ESC separately if you have an existing motor and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Only\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo VX5 Waterproof Remote 5000mAh for Electric Surfboard \u0026amp; Skateboard\" href=\"https:\/\/firduo.com\/collections\/firduo-remote\/products\/new-waterproof-remote-vx5-5000mah-with-high-resolution-display-for-electric-surfboard-electric-skateboard\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eVX5 Remote Controller\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/8638465605810\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e \u003c\/a\u003e\u003c\/strong\u003e — replacement or standalone remote purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Power Kit\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-electric-hydrofoil-kits-65162-100kv-195kv-motor-200a-esc-wh4-remote-controller\" title=\"Firduo eFoil Kit – 65162 120KV Motor + 200A VESC ESC + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo eFoil Kit – 65162 Motor + 200A ESC + VX3 Remote\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e — 6KW peak alternative for lighter builds or beginners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-250a-power-waterproof-connector-for-electric-hydrofoil-boat-surfboard-thruster-ejet-board-electric-bike?variant=45144866029746\" title=\"Firduo 120A-250A Waterproof Power Connector for Efoil \u0026amp; Surfboard \u0026amp; Electric Bike\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 120A–250A Waterproof Connector\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e — for sealed battery-to-ESC connection rated for 120A+;    \u003ca rel=\"noopener\" title=\"Firduo 120A High Current and High Voltage Waterproof Plug Socket for Electric Hydrofoil \u0026amp; Surfboard\" href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003eFirduo 120A Waterproof Plug Socket\u003c\/strong\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/a\u003e— for sealed ESC-to-motor connection rated for 120A+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Anti-Spark Switch\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/switch\/products\/anti-spark-switch-smart-280a-for-electric-skateboard-ebike-scooter-robots\" title=\"Firduo 200A Anti-Spark Switch Aluminum for Electric Skateboard \u0026amp; eBike \u0026amp; Robots\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 200A Anti-Spark Switch\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e — protect ESC capacitors from battery connection arcing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Module\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/bluetooth-module-2-4g-wireless-based-upon-the-nrf51_vesc-project\" title=\"Firduo FD2.4 Bluetooth Module – VESC Compatible for eFoil \u0026amp; Electric Skateboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo FD2.4 Bluetooth Module\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e — wireless VESC Tool if you want to configure and monitor your power system wirelessly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 12S–16S LiPo or Li-ion pack, minimum 120A continuous discharge recommended for full-power operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify voltage compatibility\u003c\/strong\u003e — the FD75200 ESC supports \u003cstrong\u003e14–75V (3S–16S)\u003c\/strong\u003e; the 75141 motor supports up to 18S (75V). Use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack\u003c\/strong\u003e for this kit. Ensure your battery has a minimum \u003cstrong\u003e120A continuous discharge rating\u003c\/strong\u003e for full-power operation. Do not exceed 75V (16S fully charged) on the ESC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor phase wires\u003c\/strong\u003e — connect the 75141's 8mm gold plug phase wires (1,300mm extension) to the FD75200 ESC phase outputs. Rotation direction can be corrected by swapping any two phase wires, or via VESC Tool motor direction setting. Test rotation direction at low throttle before installing the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect water cooling\u003c\/strong\u003e — attach the FD75200 ESC's water cooling circuit to your board's water intake. Ensure water flows through the ESC before running at high current. The 75141 motor is fully waterproof and passively cooled by water flow during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use a high-current connector rated for 120A+ (Firduo 120A–250A waterproof connector recommended). Use an anti-spark switch or pre-charge resistor to prevent connector arcing. Verify battery voltage matches your ESC configuration before connecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX5 receiver\u003c\/strong\u003e — connect the VX5 receiver to the FD75200 ESC's UART port for full telemetry (motor power, GPS speed, fault codes on VX5 display). Alternatively, connect via PPM for standard throttle control. Pair the VX5 remote with the receiver before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect the FD75200 to your PC via USB. Open VESC Tool, click \u003cstrong\u003eRead Parameters\u003c\/strong\u003e, run \u003cstrong\u003emotor auto-detection\u003c\/strong\u003e for the 75141 motor, Set the motor's current limit according to your needs, and set battery current limit to match your battery's continuous discharge rating. Click \u003cstrong\u003eWrite Parameters\u003c\/strong\u003e to save. Configure throttle curve and L\/M\/H gear percentages in the VX5 remote settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal cable connections\u003c\/strong\u003e — the FD75200 is IP68 but cable connection points are not waterproof. Seal all battery, motor, and signal cable terminations with potting compound, adhesive heat-shrink, or waterproof cable glands before water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start in \u003cstrong\u003eL gear at 20–30% throttle\u003c\/strong\u003e in calm water. Verify smooth motor operation, check water cooling flow, and confirm all connections are sealed before increasing to M or H gear at full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How does this kit compare to the 65162 + 200A ESC + VX3 kit?\u003c\/strong\u003e\u003cbr\u003eBoth kits use a 200A VESC ESC, but differ in motor and remote. The \u003cstrong\u003e65162 kit\u003c\/strong\u003e uses the 65162-120KV outrunner motor (6KW peak) with the VX3 remote (1,500mAh, 1.6-inch display). This \u003cstrong\u003e75141 kit\u003c\/strong\u003e uses the 75141-100KV inrunner motor (9KW peak, 50 KGF max thrust) with the VX5 remote (5,000mAh, high-resolution display, Beidou\/GPS, 20 power levels, floats in water). Choose the 75141 kit for maximum power, heavier riders, or performance builds; choose the 65162 kit for a lighter, more compact system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What battery is recommended for the 75141 motor at full power?\u003c\/strong\u003e\u003cbr\u003eFor the 75141 at full power (120A motor max, 200A ESC continuous), use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack with minimum 120A continuous discharge\u003c\/strong\u003e. Please note that when operating at full power, do not exceed the motor's rated power of 4.5KW and the maximum continuous current of 120A. For 100KV motors, the recommended voltage is \u003cstrong\u003e12S-13S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What makes the VX5 remote different from the VX3?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eVX5\u003c\/strong\u003e offers significant upgrades over the VX3: \u003cstrong\u003e5,000mAh battery (vs 1,500mAh)\u003c\/strong\u003e for up to 20 hours use, \u003cstrong\u003eBeidou + GPS + GNSS\u003c\/strong\u003e high-precision positioning (vs GPS only), \u003cstrong\u003ehigh-resolution display\u003c\/strong\u003e (vs 1.6-inch), \u003cstrong\u003e20 power levels\u003c\/strong\u003e in surfboard mode (vs standard throttle), \u003cstrong\u003eL\/M\/H throttle gear presets\u003c\/strong\u003e, stores up to \u003cstrong\u003e11 riding sessions and 20 ESC fault codes\u003c\/strong\u003e, and \u003cstrong\u003efloats in water\u003c\/strong\u003e without a buoyancy rope. The VX5 is also IP68 (vs VX3's IP67). Both support VESC UART and PPM protocols.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does the FD75200 ESC support sensored motors?\u003c\/strong\u003e\u003cbr\u003eYes — the FD75200 supports \u003cstrong\u003esensored, sensorless, and hybrid motor operation\u003c\/strong\u003e. Supported sensor types include ABI, HALL, AS5047, and AS5048A encoders. The 75141 motor in this kit is a sensorless motor — configure the FD75200 in sensorless mode in VESC Tool for optimal startup and throttle response.Sensorless mode is recommended for smooth low-speed starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: How do I configure the L\/M\/H throttle gears on the VX5 remote?\u003c\/strong\u003e\u003cbr\u003eThe VX5 remote supports three throttle gear presets (L \/ M \/ H), each with a configurable maximum throttle percentage. Access the gear settings from the VX5 remote's settings menu. Recommended starting configuration: \u003cstrong\u003eL = 30%\u003c\/strong\u003e (learning\/testing), \u003cstrong\u003eM = 60%\u003c\/strong\u003e (cruising), \u003cstrong\u003eH = 100%\u003c\/strong\u003e (full power). In surfboard mode, up to 20 discrete power levels can be configured for fine-grained throttle control. Refer to the VX5 manual or contact our support team for detailed configuration guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/FD75200_0282a94e-6b21-4ce6-a7ef-7b7f29275d5e.jpg?v=1697095756\" alt=\"Firduo FD75200 ESC Port and Wiring Connection Diagram USB CAN UART\"\u003e\u003c\/p\u003e","brand":"FIRDUO","offers":[{"title":"Default Title","offer_id":47580549284018,"sku":"75141 KIT","price":848.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6_4d3ffce8-87e3-4604-817c-d15752f29848.jpg?v=1781447974"}],"url":"https:\/\/firduo.com\/collections\/new-arrivals\/65122-motor.oembed","provider":"Firduo","version":"1.0","type":"link"}