{"title":"DIY KIT","description":"\u003ch4\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003eCommon power systems for DIY motorized surfboards.\u003c\/span\u003e\u003c\/h4\u003e","products":[{"product_id":"anti-spark-switch-smart-280a-for-electric-skateboard-ebike-scooter-robots","title":"Firduo 200A Anti-Spark Switch Aluminum for Electric Skateboard \u0026 eBike  \u0026 Robots","description":"\u003ch2\u003e⚡ Protect Your Build. Eliminate the Spark.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 200A Anti-Spark Switch\u003c\/strong\u003e is a high-current electronic power switch engineered to eliminate the dangerous spark that occurs when connecting a high-capacity battery to an ESC or motor controller. With a \u003cstrong\u003e200A continuous \/ 1200A peak rating\u003c\/strong\u003e, aluminum heat-dissipation base, and a self-locking LED button, it provides safe, reliable power switching for electric skateboards, eBikes, scooters, robots, and any high-current DIY EV build running \u003cstrong\u003e12V–60V (3S–14S)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e200A Continuous Current\u003c\/strong\u003e (with factory heatsink) — handles sustained high-current loads without throttling\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1200A Peak Current\u003c\/strong\u003e — survives inrush current spikes during ESC capacitor charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAnti-Spark Design\u003c\/strong\u003e — eliminates connector spark damage on battery connection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: 12V–60V (3S–14S)\u003c\/strong\u003e — compatible with most LiPo\/Li-ion battery configurations\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAluminum Base with Heatsink\u003c\/strong\u003e — extended thermal management for sustained high-power operation\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHYG015N10NS1TA MOSFETs ×5\u003c\/strong\u003e — industrial-grade switching components for reliability\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSelf-Locking LED Button (16mm)\u003c\/strong\u003e — clear visual power status indicator\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e8AWG Wire Gauge\u003c\/strong\u003e — low-resistance wiring for high-current applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e — 72 × 37 × 16.2mm, fits in tight enclosures\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;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e72 × 37 × 16.2 mm\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;\"\u003e12V–60V (3S–14S)\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;\"\u003e100A (factory heatsink) \/ 200A (with extended radiator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMaximum Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e200A (with 20×12×1.7cm radiator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePeak Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMOSFET Model\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHYG015N10NS1TA × 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHeatsink\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAluminum base with thermal silicon pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eButton Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSelf-locking LED, 16mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWire Gauge\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMax Output Capacitance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6,000 μF (recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eShort Circuit Protection\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNone — do NOT short circuit output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNone — observe polarity carefully\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× Firduo 200A Anti-Spark Switch (with aluminum heatsink；1× Self-locking LED button (16mm, pre-wired)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Extended radiator for 200A continuous operation is not included.\u003c\/em\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\u003eElectric Skateboard \/ Longboard\u003c\/strong\u003e — safe battery connection with no spark damage to connectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eeBike \/ Electric Scooter\u003c\/strong\u003e — clean power switching for 3S–14S battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Electric Surfboard\u003c\/strong\u003e — use with \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo FD75200 VESC\u003c\/a\u003e\u003c\/span\u003e or \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/products\/vesc-for-electric-skateboard-electric-scooter-ebike-speed-controller\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eManatee 100 Pro VESC\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobots \/ DIY EV\u003c\/strong\u003e — any high-current 12V–60V application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Battery Connectors:\u003c\/strong\u003e AS150, XT150, or XT90-S anti-spark connectors on battery side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC Connectors:\u003c\/strong\u003e \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 120A Waterproof Connectors\u003c\/a\u003e\u003c\/span\u003e for wet\/marine builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax ESC Capacitance:\u003c\/strong\u003e Keep total output capacitance under 6,000μF for reliable switching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Wiring Diagram\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center; margin: 16px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/f4b3da9554de4e60ffd11b8edcb16ff8.jpg?v=1705474277\" alt=\"Firduo 200A anti-spark switch wiring diagram for electric skateboard and ebike\" style=\"max-width: 100%;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠️ Setup Guide (Quick Start)\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan your wiring layout\u003c\/strong\u003e — \u003cspan\u003ethe anti-spark switch installs \u003c\/span\u003e\u003cstrong\u003ebetween the battery (+, -) output terminal and the ESC (+, -) input terminal\u003c\/strong\u003e. Refer to the wiring diagram above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the input wire\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— solder or crimp the switch's input wire (from battery side) to your battery (+, -) output terminal. Use a connector rated for your maximum current (e.g., AS150, XT150, or Firduo 120A–250A waterproof connector).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the output wire\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— connect the switch's output wire to your ESC (+, -) input terminal. Ensure all connections are insulated and secure before powering on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the switch\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— secure the aluminum PCB to your enclosure using the mounting holes. For sustained currents above 80A, attach a heatsink to the aluminum base using thermal silicone grease. Ensure adequate airflow around the switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire the LED button\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— route the 12mm LED button to an accessible position on your enclosure. The button is pre-wired to the PCB — no additional wiring required. Mount using the 12mm panel cutout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest the switch\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— with battery connected, press the button to lock ON (LED lights up). Verify ESC powers on. Press again to release OFF (LED off). Confirm ESC powers down. Check for any heat buildup after a short test run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdd heatsink if needed\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— if running sustained currents above 100A, Please use thermal grease to secure the aluminum heatsink to the back of the switch. Ensure the heatsink is not short-circuited to any wiring on the switch.\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 an anti-spark switch and why do I need one?\u003c\/strong\u003e\u003cbr\u003eWhen you connect a high-capacity battery to an ESC, the ESC's capacitors charge instantly, drawing a large inrush current that creates a visible spark at the connector. Over time, this spark erodes connector contacts, causing resistance buildup and potential failure. An anti-spark switch uses MOSFETs to gradually ramp up voltage, eliminating the spark entirely. It also gives you a safe, convenient way to power your build on and off without disconnecting the battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the actual continuous current rating — 100A or 200A?\u003c\/strong\u003e\u003cbr\u003eWith the factory aluminum heatsink, the switch is rated for \u003cstrong\u003e100A continuous\u003c\/strong\u003e. To achieve \u003cstrong\u003e200A continuous\u003c\/strong\u003e, you need to attach an additional external radiator (recommended size: 20×12×1.7cm). The 1200A peak rating applies to brief inrush spikes only (milliseconds). For most electric skateboard and eBike builds, 100A continuous with the factory heatsink is sufficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: My ESC has large capacitors. Will this switch work?\u003c\/strong\u003e\u003cbr\u003eThe switch is designed to handle ESC capacitor inrush, but output capacitance should be kept \u003cstrong\u003eunder 6,000μF\u003c\/strong\u003e for reliable operation. If your ESC or power distribution has higher capacitance, the switch may not operate correctly. Check your ESC specifications for total capacitance. Most single-ESC builds are well within this limit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is there short circuit or reverse polarity protection?\u003c\/strong\u003e\u003cbr\u003eNo. This switch has \u003cstrong\u003eno short circuit protection\u003c\/strong\u003e and \u003cstrong\u003eno reverse polarity protection\u003c\/strong\u003e. Always double-check polarity before connecting (red\/positive to IN+, black\/negative to battery negative). Never short circuit the output terminals. A short circuit will instantly destroy the MOSFETs and may damage your battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this switch for an eFoil or marine application?\u003c\/strong\u003e\u003cbr\u003eYes, the switch itself is compatible with eFoil voltage ranges (up to 60V \/ 14S). However, the switch body and wiring are \u003cstrong\u003enot waterproof\u003c\/strong\u003e — you must house it in a waterproof enclosure and seal all cable penetrations. Use waterproof connectors (e.g. \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 120A Waterproof Connectors\u003c\/a\u003e)\u003c\/span\u003e on all external connections for marine builds.\u003c\/p\u003e","brand":"Firduo","offers":[{"title":"Default Title","offer_id":31005371760717,"sku":"","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/6_57e09aca-d5a7-47c7-baae-d900acf7446e.jpg?v=1705474344"},{"product_id":"firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil","title":"Firduo FD75200 75V 200A Water-Cooled ESC – VESC Compatible For E-Foil","description":"\u003ch3\u003e💪 High Voltage. High Current. Built to Last.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo FD75200\u003c\/strong\u003e is a professional-grade 75V 200A water-cooled ESC built on the open-source VESC platform — engineered for high-power eFoil, electric surfboard, and DIY electric vehicle builds that demand extreme current handling and reliable thermal management. With a \u003cstrong\u003ethree-pipe large-flux water cooling system\u003c\/strong\u003e, \u003cstrong\u003ecorrosion-resistant metal case\u003c\/strong\u003e, and pressure-resistant waterproof structure, the FD75200 delivers sustained 200A continuous current without throttling — even in demanding marine environments.\u003c\/p\u003e\n\u003cp\u003eCompatible with the \u003ca href=\"https:\/\/firduo.com\/products\/brushless-sensored-motor-amphibious-fully-waterproof-motor-65161-120kv-6000w-for-efoil-ejet-boards-ebike\" title=\"Firduo Waterproof Brushless Motor 65162 120KV\/195KV 6KW for Efoil \u0026amp; Ejet boards\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong style=\"color: rgb(0, 0, 255);\"\u003eFirduo 65162 120KV Waterproof Motor\u003c\/strong\u003e\u003c\/a\u003e and configurable via VESC Tool for full motor tuning, throttle curves, and protection limits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚠️ Important Notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe wiring of the power cord, motor cable, and port cable is NOT waterproof.\u003c\/strong\u003e Ensure all cable connections and exits are properly sealed or kept above the waterline during operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e200A Continuous \/ 300A Peak Current\u003c\/strong\u003e — handles the most demanding high-power motor setups\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eThree-Pipe Large-Flux Water Cooling\u003c\/strong\u003e — sustained thermal management for extended high-power sessions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: 14–75V (3S–16S)\u003c\/strong\u003e — compatible with most LiPo\/Li-ion battery configurations\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVESC Open-Source Platform\u003c\/strong\u003e — full configurability via VESC Tool (PC\/Mac\/Linux)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Sensor Support\u003c\/strong\u003e — ABI, HALL, AS5047, AS5048A encoder compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSensored \/ Sensorless \/ Hybrid Mode\u003c\/strong\u003e — flexible motor control for any BLDC motor\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRegenerative Braking\u003c\/strong\u003e — recover energy on deceleration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Protocol Input\u003c\/strong\u003e — PPM, Analog, NRF Nyko Kama Nunchuck\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCommunication Ports: USB, CAN, UART\u003c\/strong\u003e — for telemetry, configuration, and multi-ESC setups\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCorrosion-Resistant Metal Case\u003c\/strong\u003e — pressure-resistant and waterproof structure for marine use\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eConfigurable Protection Limits\u003c\/strong\u003e — voltage, current, RPM, and temperature safeguards\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReal-Time Data Logging\u003c\/strong\u003e — motor RPM, amp hours, watt hours via communication ports\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\u003eFD75200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14–75V (3S–16S LiPo\/Li-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300A\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\u003eCooling System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-pipe large-flux water cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 meters (except wire ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABI, HALL, AS5047, AS5048A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Control Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensored, Sensorless, Hybrid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPM, Analog, NRF Nyko Kama Nunchuck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication 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\u003eMotor Wire Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Cable Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e142 × 122 × 52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCorrosion-resistant metal, pressure-resistant waterproof structure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlatform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC open-source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBraking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRegenerative braking supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow\/high voltage, over-current, over-RPM, regenerative braking limits\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\/FD75200_c639dbb5-df00-4d91-b547-5bead8b0d245.jpg?v=1728462778\" alt=\"Firduo FD75200 ESC Dimensions 142x122x52mm\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Firduo FD75200 75V 200A Water-Cooled ESC\u003c\/li\u003e\n\u003cli\u003e1× \u003cspan\u003eMicro\u003c\/span\u003eUSB Cable\u003c\/li\u003e\n\u003cli\u003e1× PH2.0 3-Pin PWM 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\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Pump must be sourced separately.\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\u003ePrimary Motor\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/brushless-sensored-motor-amphibious-fully-waterproof-motor-65161-120kv-6000w-for-efoil-ejet-boards-ebike\" title=\"Firduo Waterproof Brushless Motor 65162 120KV\/195KV 6KW for Efoil \u0026amp; Ejet boards\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 65162 120KV Waterproof Motor\u003c\/span\u003e\u003c\/a\u003e — direct-drive eFoil and electric surfboard\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-slate-fragment=\"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\"\u003e\u003cstrong\u003eRecommended accessories\u003c\/strong\u003e：\u003ca rel=\"noopener\" title=\"Firduo FD2.4 Bluetooth Module – VESC Compatible for eFoil \u0026amp; Electric Skateboard\" href=\"https:\/\/firduo.com\/products\/bluetooth-module-2-4g-wireless-based-upon-the-nrf51_vesc-project\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003eFirduo FD2.4 Bluetooth Module\u003c\/span\u003e\u003c\/a\u003e—Configure motor parameters, monitor real-time telemetry, and push firmware updates — all without a USB cable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil boards\u003c\/strong\u003e — high-power direct-drive propulsion at 12S–16S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — sustained 200A for aggressive riding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY EV \/ E-Bike \/ E-Scooter\u003c\/strong\u003e — high-current VESC platform for custom builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 12S–16S LiPo or Li-ion pack, minimum 200A continuous discharge recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote\u003c\/strong\u003e: Any PPM or UART remote — compatible with \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 and \u003ca href=\"https:\/\/firduo.com\/products\/new-waterproof-remote-vx5-5000mah-with-high-resolution-display-for-electric-surfboard-electric-skateboard\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eVX5 Waterproof Remotes\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e: \u003ca href=\"https:\/\/vesc-project.com\/\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eVESC Tool\u003c\/a\u003e (free, PC\/Mac\/Linux)\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\u003eMount the ESC\u003c\/strong\u003e — secure in a dry, ventilated enclosure or waterproof housing. The ESC body is pressure-resistant but cable exits are NOT waterproof — seal all cable penetrations with waterproof connectors or silicone sealant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the water cooling loop\u003c\/strong\u003e — attach inlet and outlet hoses to the three-pipe cooling block. Use a small 12V pump to circulate water. Ensure no air pockets in the loop before powering on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor wires\u003c\/strong\u003e — plug the 3× 8AWG phase wires (A-B-C) into your motor. Phase order can be corrected in VESC Tool if motor spins in the wrong direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use a high-current connector (XT150, AS150, or equivalent) rated for 200A+ continuous. Verify battery voltage is within 14–75V before connecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect sensor (if used)\u003c\/strong\u003e — plug the motor sensor cable into the ESC sensor port. Supports ABI, HALL, AS5047, AS5048A. Sensorless mode is also available if no sensor is present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect remote receiver\u003c\/strong\u003e — plug into the PPM or UART port. Refer to the port diagram below for pin assignments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect via USB. Run motor detection wizard, set current limits (max 200A continuous), configure throttle curve, and set protection thresholds. Save configuration before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest at low power first\u003c\/strong\u003e — start at 20–30% throttle in a safe environment. Verify cooling loop is flowing and ESC temperature is stable before full-power runs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo FD75200 75V 200A Water-Cooled VESC ESC for eFoil\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/FD75200-V2_85b82b6d-dc44-475c-b8cc-ca9d8174f8df_1024x1024.jpg?v=1680666324\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is the FD75200 truly waterproof? What precautions do I need to take?\u003c\/strong\u003e\u003cbr\u003eThe FD75200 has a pressure-resistant waterproof enclosure body rated to \u003cstrong\u003e5 meters depth\u003c\/strong\u003e, but the cable exits (power cord, motor wires, and port cables) are \u003cstrong\u003eNOT waterproof\u003c\/strong\u003e. You must seal all cable penetrations using waterproof connectors (e.g. AS150, XT150 with O-rings) or marine-grade silicone sealant. Or keep cable exit points above the waterline whenever possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What motor is this ESC designed for?\u003c\/strong\u003e\u003cbr\u003eThe FD75200 is optimized for the \u003ca href=\"https:\/\/firduo.com\/products\/65162-100kv-120kv-motor\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 65162 120KV Waterproof Motor\u003c\/a\u003e in eFoil and electric surfboard applications. It is also compatible with any BLDC motor that operates within the 14–75V \/ 200A continuous range. Sensored (ABI, HALL, AS5047, AS5048A) and sensorless operation are both supported. Contact us with your motor specs if you need compatibility confirmation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Do I need a water cooling system, and how do I set it up?\u003c\/strong\u003e\u003cbr\u003eYes — the FD75200 requires active water cooling to sustain 200A continuous current. The three-pipe cooling block is built into the ESC. You need to connect a small external water pump (12V, 3–5 L\/min flow rate recommended) and hoses to circulate water through the cooling block. Use silicone hose rated for 60°C+. Ensure the cooling loop is primed and air-free before powering on. Without active cooling, the ESC will overheat and trigger thermal protection at high current.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How do I configure the ESC, and is VESC Tool required?\u003c\/strong\u003e\u003cbr\u003eThe FD75200 is based on the VESC open-source platform and is configured using \u003ca href=\"https:\/\/vesc-project.com\/\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eVESC Tool\u003c\/a\u003e (free download for PC\/Mac\/Linux). Connect via USB, run the motor detection wizard, and set your current limits, throttle curve, and protection thresholds. While the ESC ships with default settings that work for most builds, we strongly recommend running motor auto-detection for optimal performance. Our support team can provide a recommended config file for 65162 motor + FD75200 combinations on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What battery do I need, and what connector should I use?\u003c\/strong\u003e\u003cbr\u003eThe FD75200 supports 14–75V (3S–16S). For eFoil use, a 12S–16S LiPo or Li-ion pack with \u003cstrong\u003eminimum 200A continuous discharge\u003c\/strong\u003e (300A burst) is required for full-power operation. Use a high-current connector rated for 200A+ — AS150, XT150, or equivalent anti-spark connectors are recommended. Always use an anti-spark connector or pre-charge resistor to prevent connector damage when first connecting the battery.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\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\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"Firduo","offers":[{"title":"Default Title","offer_id":33047993057357,"sku":"FD75200","price":419.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/1_71cf0116-1962-4232-8a2a-42fbf1d2fa9a.jpg?v=1644486011"},{"product_id":"firduo-65111-motor-diy-kit-for-efoil-hydrofoil-esurfboard","title":"Firduo 65111 Motor DIY Kit – Sea Lion 120A ESC + VX3 Remote for eFoil \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 Complete Drive System. Ready to Build.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 65111 Motor DIY Kit\u003c\/strong\u003e is a complete, pre-matched propulsion bundle combining the \u003cstrong\u003e65111 150KV IP68 Waterproof Motor with Propeller\u003c\/strong\u003e, \u003cstrong\u003eSea Lion 120A Water-Cooled ESC\u003c\/strong\u003e, and \u003cstrong\u003eVX3 IP67 Waterproof Remote Controller\u003c\/strong\u003e — everything you need to power an eFoil, electric surfboard, hydrofoil, or ROV build.\u003c\/p\u003e\n\u003cp\u003eAll three components are matched for compatibility: the 65111 motor operates within the Sea Lion ESC's 5S–12S input range, the VX3 remote connects via PPM for reliable throttle control, and the IP68 motor pairs with the water-cooled ESC for sustained high-current operation. Skip the compatibility research — 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 System\u003c\/strong\u003e — motor, ESC, and remote pre-matched for voltage, current, and signal compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e65111 150KV IP68 Motor + Propeller\u003c\/strong\u003e — 2KW peak \/ 1.5KW continuous, 10mm shaft, fully waterproof\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSea Lion 120A Water-Cooled ESC\u003c\/strong\u003e — 120A continuous \/ 240A burst, 5S–12S LiPo, active water cooling\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX3 IP67 Waterproof Remote\u003c\/strong\u003e — 1.6-inch display, GPS, MOS temperature, cruise control, PPM + UART,wireless charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSuitable for eFoil, Hydrofoil, Electric Surfboard, ROV, Robot\u003c\/strong\u003e — versatile across water sport and marine applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMultiple ESC Protection Systems\u003c\/strong\u003e — stall, low voltage, over-heat, signal loss protection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLCD Program Card \u0026amp; USB\/PC Programming\u003c\/strong\u003e — easy ESC parameter tuning and firmware updates\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003ca title=\"Firduo 65111 IP68 Waterproof Brushless Motor 150KV 2KW for Efoil\" href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/waterproof-ip68-sensorless-brushless-motor-65111-for-diy\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003e65111 — 150KV IP68 Waterproof Brushless Motor\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\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 × 111mm\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\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStator Slots \/ Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12N \/ 12P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14S (58.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNo-Load Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.7A @ 142KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak 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 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\u003eResistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115.8 \/ 114.9 \/ 114.7 mΩ\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\u003e1.41 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 Motor Dimension Drawing D65 L111mm\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D65L111-A-150kv_b104cf00-6ce2-4185-b788-816673141e0b.jpg?v=1670378183\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65111-150KV_1024x1024.jpg?v=1647506824\" alt=\"Firduo 65111 150KV Motor Specification Performance Data\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-sea-lion-120a-water-cooled-esc-for-efoil-hydrofoil\" title=\"Firduo Sea Lion 120A Water-Cooled ESC for Efoil \u0026amp; Hydrofoil\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eSea Lion — 120A Water-Cooled ESC\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\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBurst Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240A (up to 10 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5S–12S LiPo (18.5V–44.4V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEC Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo BEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Cooling Pipe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.6mm, \u003cspan\u003ewaterproof-Splash protection\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e105 × 48 × 23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower \u0026amp; Motor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12AWG silicone, 160mm, no connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\/black with JR male, 300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Direction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForward only \/ Forward+Backward (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStall, low voltage, over-heat, signal loss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgramming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLCD Program Card \/ USB + PC software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo Sea Lion 120A Water-Cooled ESC for eFoil Hydrofoil\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/0227\/7805\/2685\/files\/120a.jpg?v=1605770855\"\u003e\u003c\/p\u003e\n\u003cp\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\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eVX3 — IP67 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\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS, motor power, MOS temperature, throttle progress bar\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 and Non-VESC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESK8 mode \/ E-surf mode (cruise control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWireless charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Failure Alert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (real-time detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo VX3 IP67 Waterproof Remote Controller Receiver UART PPM\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/VX3_95914b93-8a01-4f0c-9e2f-02e581f94f7d.jpg?v=1709104241\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× \u003ca rel=\"noopener\" title=\"Firduo 65111 IP68 Waterproof Brushless Motor 150KV 2KW for Efoil\" href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/waterproof-ip68-sensorless-brushless-motor-65111-for-diy\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 65111 150KV IP68 Waterproof Brushless Motor\u003c\/span\u003e\u003c\/a\u003e + Matched Propeller (with installation accessories)\u003c\/li\u003e\n\u003cli\u003e1× \u003ca rel=\"noopener\" title=\"Firduo Sea Lion 120A Water-Cooled ESC for Efoil \u0026amp; Hydrofoil\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-sea-lion-120a-water-cooled-esc-for-efoil-hydrofoil\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo Sea Lion 120A Water-Cooled ESC\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1× \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=\"color: #0000ff;\"\u003eFirduo VX3 IP67 Waterproof Remote Controller\u003c\/span\u003e\u003c\/a\u003e (with receiver)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Sea Lion ESC has no BEC — receiver must be powered separately.ESC's waterproof rating is \u003cspan\u003ewaterproof-Splash protection\u003c\/span\u003e; it cannot be used underwater.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 Motor DIY Kit Propeller Matched for 10mm Shaft\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/7_9c3a4d38-46e8-4e4f-b7e3-2c6ff1e63e22.jpg?v=1651810246\"\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 — 65111 at 10S–12S for compact, lightweight foil builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — complete 2KW drive system for DIY electric surfboard builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROV \/ AUV \/ Robot\u003c\/strong\u003e — IP68 motor + waterproof ESC for underwater and marine robotics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade to VESC System\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-2kw-waterproof-kit-75v-100a-esc-motor-remote-for-efoil-esurfboard\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote\u003c\/span\u003e\u003c\/a\u003e — same motor and remote with VESC-based ESC for full telemetry and UART support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESC Upgrade (VESC)\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo Manatee 100 75V 100A Water-Cooled ESC – VESC Compatible\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-manatee100-high-voltage-75v-high-current-100a-esc-base-on-vesc-with-water-cooling-enclosure\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo Manatee 100 75V 100A Water-Cooled VESC\u003c\/span\u003e\u003c\/a\u003e — drop-in ESC upgrade with VESC Tool configurability and UART telemetry;Higher waterproof rating, supports underwater use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Only\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo 65111 IP68 Waterproof Brushless Motor 150KV 2KW for Efoil\" href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/waterproof-ip68-sensorless-brushless-motor-65111-for-diy\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 65111 150KV IP68 Waterproof Motor\u003c\/span\u003e\u003c\/a\u003e — purchase motor separately if you have an existing ESC and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003ca rel=\"noopener\" title=\"Firduo 120A High Current and High Voltage Waterproof Connector for Efoil \u0026amp; Surfboard \u0026amp; Ebike\" href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-high-current-high-voltage-waterproof-plug-socket-for-electric-hydrofoil-surfboard-thruster-ejet-board-electric-bicycle\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 120A Waterproof Power Connector\u003c\/span\u003e\u003c\/a\u003e — for sealed battery-to-ESC connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 5S–12S LiPo or Li-ion pack (Sea Lion ESC limit), minimum continuous current to meet the rated power requirements of the motor.\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\u003ePlan your build\u003c\/strong\u003e — confirm your battery voltage (10S–12S recommended for this kit), motor mount type, and board configuration. The Sea Lion ESC is limited to 12S max — do not exceed 44.4V input. The 65111 has a 10mm shaft — verify your propeller hub matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 65111 motor into your foil mast pod or motor mount using the standard M5 screws. Route the 12AWG motor wires through the mast or board channel, away from the propeller arc and any moving parts. Attach the matched propeller to the 10mm shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor to ESC\u003c\/strong\u003e — connect the 3 motor phase wires to the Sea Lion ESC phase outputs (A-B-C). Rotation direction can be corrected by swapping any two phase wires — no motor rewiring required. 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 Sea Lion ESC's 4.6mm 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 120A+ (Firduo 120A waterproof connector recommended). Use an anti-spark switch or pre-charge resistor to prevent connector arcing. Verify battery voltage is within 5S–12S (18.5V–44.4V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX3 receiver to ESC\u003c\/strong\u003e — connect the VX3 receiver signal wire (JR male) to the Sea Lion ESC's PPM signal input. Power the receiver separately from a 5V BEC — the Sea Lion has no BEC output. Pair the VX3 remote with the receiver before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgram the ESC\u003c\/strong\u003e — use an LCD Program Card (sold separately) or USB + PC software to calibrate throttle endpoints, set drive direction, and configure low voltage cutoff. Calibrate throttle range with the VX3 remote before first water test.\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 (ESC should remain cool), 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 battery do I need, and what voltage range is supported?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eSea Lion 120A ESC supports 5S–12S LiPo (18.5V–44.4V)\u003c\/strong\u003e. The 65111 motor supports up to 14S, but the ESC is the limiting factor — do not exceed 12S (44.4V) with this kit. A \u003cstrong\u003e10S–12S LiPo or Li-ion pack with minimum 50A continuous discharge\u003c\/strong\u003e is recommended. The battery is not included — ensure your pack has a BMS capable of sustaining the discharge rate and a high-current connector rated for 120A+.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: The Sea Lion ESC has no BEC. How do I power the VX3 receiver?\u003c\/strong\u003e\u003cbr\u003eThe Sea Lion 120A has \u003cstrong\u003eno BEC output\u003c\/strong\u003e. You must power the VX3 receiver separately using a standalone 5V BEC connected to your battery, or a small receiver battery pack. Connect the BEC output to the receiver's power input, and connect the ESC signal wire (JR male) to the receiver's throttle channel. Do not attempt to draw receiver power from the ESC signal wire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can I upgrade the Sea Lion ESC to a VESC-based system later?\u003c\/strong\u003e\u003cbr\u003eYes. The 65111 motor and VX3 remote are both compatible with VESC-based ESCs. The \u003ca rel=\"noopener\" title=\"Firduo Manatee 100 75V 100A Water-Cooled ESC – VESC Compatible\" href=\"https:\/\/firduo.com\/collections\/firduo-esc\/products\/firduo-manatee100-high-voltage-75v-high-current-100a-esc-base-on-vesc-with-water-cooling-enclosure\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo Manatee 100 VESC\u003c\/span\u003e\u003c\/a\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/6940985196722\" target=\"_blank\"\u003e\u003c\/a\u003e is a direct upgrade — it supports UART mode for full VX3 telemetry (motor power, MOS temperature, GPS on the VX3 display) and VESC Tool configurability. Alternatively, the \u003ca rel=\"noopener\" title=\"Firduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-2kw-waterproof-kit-75v-100a-esc-motor-remote-for-efoil-esurfboard\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 2KW eFoil Kit\u003c\/span\u003e\u003c\/a\u003e includes the Manatee 100 ESC pre-matched with the 65111 motor and VX3 remote.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the motor water-cooled? What about the ESC?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e65111 motor is IP68 waterproof\u003c\/strong\u003e and relies on natural water flow for passive cooling during operation — no separate cooling circuit is required for the motor. The \u003cstrong\u003eSea Lion 120A ESC uses active water cooling\u003c\/strong\u003e via a 4.6mm cooling pipe — connect the ESC cooling inlet and outlet to your board's water circuit before high-current operation. Always ensure water cooling is active before full-power riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What is the difference between this kit and the 2KW eFoil Kit (Manatee 100 + 65111 + VX3)?\u003c\/strong\u003e\u003cbr\u003eBoth kits include the 65111 motor and VX3 remote, but differ in the ESC. This kit uses the \u003cstrong\u003eSea Lion 120A\u003c\/strong\u003e — a traditional RC ESC with PPM control, 5S–12S input, and LCD\/USB programming. The \u003ca rel=\"noopener\" title=\"Firduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" href=\"https:\/\/firduo.com\/collections\/diy-kit\/products\/firduo-2kw-waterproof-kit-75v-100a-esc-motor-remote-for-efoil-esurfboard\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e2KW eFoil Kit \u003c\/span\u003e\u003c\/a\u003e uses the \u003cstrong\u003eManatee 100 VESC ESC\u003c\/strong\u003e — open-source VESC platform with UART telemetry, 75V (16S) support, and full VESC Tool configurability. Choose this kit for a simpler, lower-cost build at 10S–12S; choose the 2KW eFoil Kit for higher voltage, VESC features, and full VX3 telemetry.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Firduo 65111 Motor DIY Kit Complete System eFoil Hydrofoil Electric Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65111_8d589e46-a54e-4f7a-93f5-ff8a70f2f017_1024x1024.jpg?v=1651810030\"\u003e\u003c\/div\u003e","brand":"Firduo","offers":[{"title":"Default Title","offer_id":37571559162034,"sku":"65111-KIT-S","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_1b41d7a9-8003-40af-9b94-5a16081add87.jpg?v=1709104155"},{"product_id":"bluetooth-module-2-4g-wireless-based-upon-the-nrf51_vesc-project","title":"Firduo FD2.4 Bluetooth Module – VESC Compatible for eFoil \u0026 Electric Skateboard","description":"\u003ch2\u003e📱 Wireless VESC Tuning. Anywhere. Anytime.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo FD2.4 Bluetooth Module\u003c\/strong\u003e enables seamless wireless communication between any VESC-compatible ESC and your Android or iOS device via the VESC Tool app. Configure motor parameters, monitor real-time telemetry, and push firmware updates — all without a USB cable. Compatible with both \u003cstrong\u003eV4 and V6 VESC hardware\u003c\/strong\u003e via included JST-PH2.0 adapters, the FD2.4 is the essential wireless companion for any serious eFoil, electric skateboard, or DIY EV build.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWireless VESC Tool Integration\u003c\/strong\u003e — configure, control, and monitor via Android\/iOS app\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eV4 \u0026amp; V6 Universal Compatibility\u003c\/strong\u003e — includes both JST-PH2.0 8P (V6) and 7P (V4) adapters\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReal-Time Telemetry\u003c\/strong\u003e — live voltage, current, temperature, and ERPM monitoring\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWireless Firmware Updates\u003c\/strong\u003e — OTA firmware upgrades without USB connection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMotor Parameter Configuration\u003c\/strong\u003e — tune throttle curves, current limits, and control modes wirelessly\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e2.4GHz NRF52832\u003c\/strong\u003e — stable, low-latency Bluetooth connection\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V \/ 5V compatible\u003c\/strong\u003e — works with both VESC V4 (5V) and V6 (3.3V) logic levels\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact \u0026amp; lightweight\u003c\/strong\u003e — easy to install in any enclosure or build\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; height: 254.719px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: rgb(240, 240, 240); height: 19.5938px;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); text-align: left; height: 19.5938px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); text-align: left; height: 19.5938px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eFD2.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eWireless Protocol\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eBluetooth 2.4GHz (NRF52832)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eDevice Name\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eVESC 52832 UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003e3.3V or 5V (must match controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eInterface\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eUART (TX\/RX cross-connect)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eESC Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eVESC V4, VESC V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eApp Support\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eVESC Tool (Android \u0026amp; iOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eFunctions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eConfiguration, real-time control, monitoring, OTA firmware update\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eConnector (V6)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eJST-PH2.0mm 8P Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eConnector (V4)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eJST-PH2.0mm 7P Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003e~10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: rgb(250, 250, 250); height: 19.5938px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19.5938px;\"\u003e33*13*7.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin-top: 20px;\"\u003e📐 Wiring Reference\u003c\/h3\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;\"\u003eController Interface\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eFD2.4 Pin\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.3V \/ 5V\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVCC\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVoltage MUST match controller output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGND\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGND\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eEnsure common ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRX\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTX\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCross-connect (RX → TX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fafafa;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTX\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRX\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCross-connect (TX → RX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× FD2.4 Bluetooth Module\u003c\/li\u003e\n\u003cli\u003e1× JST-PH2.0mm 8P Female cable (for VESC V6)\u003c\/li\u003e\n\u003cli\u003e1× JST-PH2.0mm 7P Female cable (for VESC V4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003eThe module is not waterproof. If used in a water environment, please ensure additional waterproof protection.\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\u003eFirduo FD75200 75V 200A Water-Cooled VESC ESC\u003c\/strong\u003e —\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" rel=\"noopener\" target=\"_blank\"\u003eView FD75200 →\u003c\/a\u003e\u003c\/span\u003e — ideal for eFoil and high-power builds requiring wireless tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAny VESC V4 \/ V6 compatible ESC\u003c\/strong\u003e — universal UART interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e eFoil, electric skateboard, electric scooter, eBike, DIY EV, robotics, ROV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApp:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.vesc-project.com\/vesc_tool\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eVESC Tool (free download)\u003c\/span\u003e\u003c\/a\u003e — Android \u0026amp; iOS\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\u003eIdentify your ESC version\u003c\/strong\u003e — Check if your ESC uses a V4 (7-pin) or V6 (8-pin) UART port. The FD2.4 includes both JST-PH2.0 adapter cables — use the correct one for your ESC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck supply voltage\u003c\/strong\u003e — V4 ESCs typically output 5V on the UART port; V6 ESCs output 3.3V. The FD2.4 VCC pin must match your ESC's output voltage. Incorrect voltage may cause the module to malfunction or be damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the module\u003c\/strong\u003e — Plug the appropriate JST cable into your ESC's UART port. The wiring is cross-connected: ESC RX → FD2.4 TX, ESC TX → FD2.4 RX. The included cables are pre-wired correctly — do not swap TX\/RX if using the included cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower on the ESC\u003c\/strong\u003e — The FD2.4 draws power from the ESC UART port. No separate power supply needed. The module LED should illuminate when powered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDownload VESC Tool\u003c\/strong\u003e — Install the free \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/www.vesc-project.com\/vesc_tool\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eVESC Tool app\u003c\/a\u003e\u003c\/span\u003e on your Android or iOS device. Enable Bluetooth on your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect wirelessly\u003c\/strong\u003e — Open VESC Tool → tap the Bluetooth icon → search for \u003cstrong\u003e\"VESC 52832 UART\"\u003c\/strong\u003e → tap to connect. The app will display real-time telemetry once connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure your ESC\u003c\/strong\u003e — Use VESC Tool to run motor detection, adjust current limits, throttle curves, and protection settings. All changes are saved directly to the ESC over Bluetooth. OTA firmware updates can also be performed from the app.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eℹ️ \u003cstrong\u003eSupport:\u003c\/strong\u003e \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"mailto:support@firduo.com\" style=\"color: rgb(0, 0, 255);\"\u003esupport@firduo.com\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e❓ FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is this module compatible with the Firduo FD75200 ESCs?\u003c\/strong\u003e\u003cbr\u003eYes. Both the FD75200 are VESC-compatible and support UART Bluetooth modules. Connect via the UART port using the appropriate JST-PH2.0 cable (V4 7P or V6 8P). Once connected, VESC Tool will recognize the ESC and allow full wireless configuration and monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the difference between V4 and V6, and which cable do I use?\u003c\/strong\u003e\u003cbr\u003eVESC V4 hardware uses a 7-pin JST-PH2.0 UART connector and outputs 5V. VESC V6 hardware uses an 8-pin JST-PH2.0 connector and outputs 3.3V. The FD2.4 includes both cables — use the 7P cable for V4 ESCs and the 8P cable for V6 ESCs. If unsure, check your ESC documentation or count the pins on the UART port.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can I update ESC firmware wirelessly with this module?\u003c\/strong\u003e\u003cbr\u003eYes. The FD2.4 supports OTA (over-the-air) firmware updates via VESC Tool. Navigate to the Firmware section in VESC Tool, select your firmware file, and upload wirelessly. Note: for major firmware version changes, a wired USB connection may be more reliable to avoid interruption during the update process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What real-time data can I monitor through the app?\u003c\/strong\u003e\u003cbr\u003eVESC Tool displays live telemetry including: battery voltage, motor current (phase and input), ESC temperature, motor temperature (if sensor fitted), ERPM, duty cycle, amp-hours consumed, and watt-hours consumed. This data is invaluable for diagnosing issues and optimizing your build's performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: The app can't find \"VESC 52832 UART\" — what should I check?\u003c\/strong\u003e\u003cbr\u003eFirst, confirm the ESC is powered on and the FD2.4 LED is lit. Ensure Bluetooth is enabled on your phone and you're within 5–10 meters of the module. In VESC Tool, tap the Bluetooth scan button and wait 10–15 seconds. If still not found: (1) verify the UART wiring is correct (TX\/RX cross-connected), (2) confirm VCC voltage matches your ESC output, (3) try restarting the ESC. Contact \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"mailto:support@firduo.com\" style=\"color: rgb(0, 0, 255);\"\u003esupport@firduo.com\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"mailto:support@firduo.com\"\u003e\u003c\/a\u003e if the issue persists.\u003c\/p\u003e","brand":"Firduo","offers":[{"title":"V4\/V6 universal","offer_id":37824039846066,"sku":"B V4","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/BG3.jpg?v=1780534955"},{"product_id":"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 \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 2KW. Fully Waterproof. Ready to Ride.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 2KW Waterproof Kit\u003c\/strong\u003e is a complete, pre-matched propulsion system combining the \u003cstrong\u003eManatee 100 75V 100A VESC ESC\u003c\/strong\u003e, \u003cstrong\u003e65111 150KV IP68 Waterproof Motor\u003c\/strong\u003e, and \u003cstrong\u003eVX3 IP67 Waterproof Remote Controller\u003c\/strong\u003e — everything you need to power an eFoil, electric surfboard, or hydrofoil build, engineered to work together out of the box.\u003c\/p\u003e\n\u003cp\u003eSkip the compatibility guesswork. This kit is pre-matched for voltage, current, and control protocol. The 65111 motor delivers \u003cstrong\u003e2KW peak \/ 1.5KW continuous\u003c\/strong\u003e power with IP68 waterproofing, the Manatee 100 ESC provides full VESC Tool configurability at 100A continuous, and the VX3 remote gives you real-time telemetry with IP67 waterproofing and wireless charging. Just add your battery 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 System\u003c\/strong\u003e — ESC, motor, and remote pre-matched for voltage, current, and protocol compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e65111 150KV IP68 Motor\u003c\/strong\u003e — 2KW peak \/ 1.5KW continuous, 10mm shaft, 12AWG wire, fully waterproof\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eManatee 100 75V 100A VESC ESC\u003c\/strong\u003e — 100A continuous \/ 200A peak, based on VESC75300 hardware, 6× IRF7769L MOSFETs\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\/PWM\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: up to 75V (16S)\u003c\/strong\u003e — compatible with most LiPo\/Li-ion battery configurations\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVESC Open-Source Platform\u003c\/strong\u003e — full configurability via VESC Tool (PC\/Mac\/Linux)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndependent Gate Drive \u0026amp; Current Sampling\u003c\/strong\u003e — accurate, stable motor control with active filter circuit\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSuitable for eFoil, Hydrofoil, Electric Surfboard, RC Boat\u003c\/strong\u003e — versatile across water sport applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/6940985196722\" target=\"_blank\"\u003eManatee 100 — 75V 100A Water-Cooled VESC \u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75V (recommended within 16S)\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\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMOSFET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6× IRF7769L (100V \/ 200A each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Base\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC75300 design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGate Drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndependent gate drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Sampling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndependent, active filter circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eADC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndependent two-way ADC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCustom firmware 5.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\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\u003ePlatform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC open-source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo Manatee 100 75V 100A VESC ESC for eFoil Electric Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/1_d176645c-ca0e-41df-b51b-d674b8b2d25b.jpg?v=1645858110\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/4310103556173\" target=\"_blank\"\u003e65111 — 150KV IP68 Waterproof Brushless Motor\u003c\/a\u003e\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\u003e65111\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\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-18S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak 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 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\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\u003eMotor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 150KV IP68 Waterproof Brushless Motor for eFoil Electric Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/3_edb4d055-057d-4165-a64b-c560ae5e9406.jpg?v=1628478241\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 Motor Detail View Shaft Connector\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65111_2e30d61b-0283-4972-9a06-dfaf6017f61e.jpg?v=1628478263\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 Motor Dimensions D65 L111mm Drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D65L111-A-150kv_b104cf00-6ce2-4185-b788-816673141e0b.jpg?v=1670378183\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65111 150KV Motor Wiring and Specification Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65111-150KV.jpg?v=1647506824\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/7318593405106\" target=\"_blank\"\u003eVX3 — IP67 Waterproof Remote Controller\u003c\/a\u003e\u003c\/strong\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\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS, motor power, MOS temperature, throttle progress bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUART + PPM\/PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE-surf mode (cruise control) \/ ESK8 mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWireless charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC Failure Alert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (real-time detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo VX3 Remote and Receiver UART PPM Connection\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/VX3_95914b93-8a01-4f0c-9e2f-02e581f94f7d.jpg?v=1709104241\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/6940985196722\" target=\"_blank\"\u003eFirduo Manatee 100 75V 100A Water-Cooled VESC \u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1× \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/4310103556173\" target=\"_blank\"\u003eFirduo 65111 150KV IP68 Waterproof Brushless Motor\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1× \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/7318593405106\" target=\"_blank\"\u003eFirduo VX3 IP67 Waterproof Remote Controller\u003c\/a\u003e (with receiver)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery, motor mount, and waterproof connectors 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 — 65111 at 12S–14S for compact, lightweight foil builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — complete 2KW drive system for DIY electric surfboard builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC Boat \/ USV\u003c\/strong\u003e — VESC platform for high-performance marine applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-120a-250a-waterproof-power-connector-for-efoil-surfboard-electric-bike\" target=\"_blank\"\u003eFirduo 120A–250A Waterproof Power Connector\u003c\/a\u003e — FD06-120A for battery-to-ESC connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Anti-Spark Switch\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-200a-anti-spark-switch-aluminum-pcb-for-skateboard-ebike-scooter\" target=\"_blank\"\u003eFirduo 200A Anti-Spark Switch\u003c\/a\u003e — protect ESC capacitors from battery connection arcing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade Option\u003c\/strong\u003e: \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/7010778415282\" target=\"_blank\"\u003eFirduo eFoil Kit 65162 + 200A ESC + VX3\u003c\/a\u003e — higher power (7.2KW \/ 200A) for larger boards and heavier riders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 10S–14S LiPo or Li-ion pack, minimum 50A 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\u003ePlan your build\u003c\/strong\u003e — confirm your battery voltage (12S–14S recommended for 65111), motor mount type, and propeller selection before assembly. The 65111 has a 10mm shaft — ensure your propeller hub matches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 65111 motor into your foil mast pod or motor mount. Route the 12AWG motor wires through the mast or board channel, away from moving parts and the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor to ESC\u003c\/strong\u003e — connect the 3 motor phase wires to the Manatee 100 ESC phase outputs (A-B-C). Rotation direction can be reversed in VESC Tool — no rewiring required. Use bullet connectors or solder directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use a high-current connector rated for 50A+ (Firduo 120A–250A waterproof connector recommended). Use an anti-spark switch or pre-charge resistor to prevent connector damage. Verify battery voltage is within the ESC's 75V limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX3 receiver to ESC\u003c\/strong\u003e — for UART mode: connect receiver TX→ESC RX, receiver RX→ESC TX, power from ESC 5V BEC. For PPM mode: connect receiver signal wire to ESC PPM input. UART mode enables full telemetry on the VX3 display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect Manatee 100 via USB. Run motor auto-detection wizard for the 65111 motor, set current limits (100A continuous 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 20–30% throttle in calm water. Verify smooth motor operation and confirm all connections are 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 battery do I need, and is it included?\u003c\/strong\u003e\u003cbr\u003eThe battery is \u003cstrong\u003enot included\u003c\/strong\u003e. The Manatee 100 ESC supports up to 75V (16S), but the 65111 motor is rated for a maximum of 18S. We recommend a \u003cstrong\u003e12S–14S LiPo or Li-ion pack with minimum 50A continuous discharge\u003c\/strong\u003e. A 13S (54.6V) pack is the most common choice for this kit. Ensure your battery has a high-current connector rated for 50A+ and a BMS capable of sustaining the discharge rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How does this kit differ from the 65162 + 200A ESC kit?\u003c\/strong\u003e\u003cbr\u003eThis 2KW kit uses the \u003cstrong\u003e65111 motor (2KW peak, 10mm shaft)\u003c\/strong\u003e and \u003cstrong\u003eManatee 100 ESC (100A continuous)\u003c\/strong\u003e — ideal for lighter builds, smaller boards, and riders under 80kg. The \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/7010778415282\" target=\"_blank\"\u003e65162 + 200A ESC kit\u003c\/a\u003e uses a larger motor (7.2KW peak, 200A) suited for heavier riders, larger boards, and higher top speeds. Choose this 2KW kit for a lighter, more compact build; choose the 65162 kit for maximum performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Do I need to configure the ESC, or does it work out of the box?\u003c\/strong\u003e\u003cbr\u003eThe Manatee 100 ships with default VESC settings that will work for most builds, but we \u003cstrong\u003estrongly recommend running motor auto-detection\u003c\/strong\u003e in VESC Tool before your first water session. Connect via USB, run the detection wizard for the 65111 motor, and save. This calibrates the ESC for optimal performance and protection. Contact our support team for a pre-configured setup file for the 65111 + Manatee 100 combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the motor water-cooled? What cooling does the ESC use?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e65111 motor is IP68 waterproof\u003c\/strong\u003e and relies on natural water flow for passive cooling during operation — no separate cooling circuit is required for the motor. The \u003cstrong\u003eManatee 100 ESC uses active water cooling\u003c\/strong\u003e — connect the ESC cooling inlet and outlet to your board's water circuit before high-current operation. Brief low-power testing without water cooling is acceptable, but always ensure cooling is active before full-power riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What propeller should I use with the 65111 motor?\u003c\/strong\u003e\u003cbr\u003eThe 65111 has a \u003cstrong\u003e10mm shaft\u003c\/strong\u003e. Propeller selection depends on your target speed, board weight, and battery voltage. Contact us with your build specs (board weight, battery voltage, target speed) and we'll recommend the optimal propeller. The \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-162mm-2-blade-folding-propeller-for-efoil-kayak-rc-boat\" target=\"_blank\"\u003eFirduo 162mm Folding Propeller\u003c\/a\u003e is designed for the 65162 threaded shaft and is not directly compatible with the 65111 10mm shaft.\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 2KW Waterproof Kit Complete Package ESC Motor Remote\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"Firduo","offers":[{"title":"Default Title","offer_id":40701968711858,"sku":"65111T3","price":568.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_841dc826-b7f8-46b2-8a49-5ff0f48a491d.jpg?v=1709107046"},{"product_id":"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 \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 Everything You Need to Build Your eFoil. One Kit.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo eFoil Kit\u003c\/strong\u003e is a complete, matched propulsion system combining the \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e65162 120KV Waterproof Motor\u003c\/strong\u003e, \u003cstrong\u003eFD75200 75V 200A Water-Cooled VESC\u003c\/strong\u003e, and \u003cstrong\u003eVX3 IP67 Waterproof Remote\u003c\/strong\u003e \u003c\/span\u003e— everything you need to power an eFoil, electric hydrofoil, or electric surfboard build, engineered to work together out of the box.\u003c\/p\u003e\n\u003cp\u003eSkip the compatibility guesswork. This kit is pre-matched for voltage, current, and control protocol — just add your battery, board, and mast. Available in two configurations: \u003cstrong\u003e120KV\u003c\/strong\u003e (motor + ESC + remote) and \u003cstrong\u003e120KV + DIY Propeller\u003c\/strong\u003e for a complete drive system.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo eFoil Kit 65162 Motor FD75200 ESC VX3 Remote Complete Drive System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/2_d86875de-6a7c-4615-867d-b9d3c3bb0aac.jpg?v=1645669770\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete Matched System\u003c\/strong\u003e — motor, ESC, and remote pre-matched for voltage, current, and protocol compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e65162 120KV IP68 Waterproof Motor\u003c\/strong\u003e — 7.2KW peak, 200A peak current, direct-drive for eFoil and hydrofoil\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFD75200 75V 200A Water-Cooled VESC ESC\u003c\/strong\u003e — 200A continuous, three-pipe water cooling, full VESC Tool configurability\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\/PWM\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide Voltage Range: 14–75V (3S–16S)\u003c\/strong\u003e — compatible with most LiPo\/Li-ion battery configurations\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVESC Open-Source Platform\u003c\/strong\u003e — full configurability via VESC Tool (PC\/Mac\/Linux)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eOptional DIY Propeller Bundle\u003c\/strong\u003e — add a 7-inch propeller for a complete drive system\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSuitable for eFoil, Hydrofoil, Electric Surfboard, RC Boat\u003c\/strong\u003e — versatile across high-power water sport applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 255); text-decoration: underline;\"\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\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" target=\"_blank\"\u003eFD75200 — 75V 200A Water-Cooled VESC\u003c\/a\u003e\u003c\/span\u003e\u003ca 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\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14–75V (3S–16S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300A\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\u003eSensor Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABI, HALL, AS5047, AS5048A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication 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\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-pipe active water cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlatform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESC open-source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo FD75200 75V 200A Water-Cooled VESC ESC for eFoil Electric Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_88a53e06-7b2d-4443-9f41-fec1adf053f6.jpg?v=1644486149\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Firduo Waterproof Brushless Motor 65162 120KV 6KW for Efoil \u0026amp; Ejet boards\" href=\"https:\/\/firduo.com\/collections\/firduo-motor\/products\/brushless-sensored-motor-amphibious-fully-waterproof-motor-65161-120kv-6000w-for-efoil-ejet-boards-ebike\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003e\u003cspan\u003e\u003cstrong\u003e65162 — 120KV Waterproof Brushless Motor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20S (40–80V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Torque @ 60%\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 NM\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\u003eMax Working Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8AWG × 1300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.0mm gold bullet connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD65 × L161mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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 alt=\"Firduo 65162 120KV Waterproof Brushless Motor for eFoil Electric Surfboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/07_2d15e5ee-f6c1-4b3a-80ae-88a3bd25b7db.jpg?v=1645607819\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65162 Motor Dimensions D65 L161mm Drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D65L162-120kv.jpg?v=1688608984\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo 65162 120KV Motor Wiring and Specification Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65162.jpg?v=1645605832\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\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\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVX3 — IP67 Waterproof Remote Controller\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\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\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS, motor power, MOS temperature, throttle progress bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUART + PPM\/PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESK8 mode \/ E-surf mode (cruise control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500mAh\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\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo VX3 IP67 Waterproof Remote Controller 1.6 Inch Display for eFoil\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/003.jpg?v=1694685262\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× Firduo 65162 120KV Waterproof Brushless Motor（included:3× 8.0mm Gold Bullet,1× M8 Screw Connectors）\u003c\/li\u003e\n\u003cli\u003e1× Firduo FD75200 75V 200A Water-Cooled VESC ESC\u003c\/li\u003e\n\u003cli\u003e1× Firduo VX3 IP67 Waterproof Remote Controller (with receiver)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1× DIY Propeller (optional — included in 120KV+DIY Propeller variant only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery, motor mount, and waterproof connectors 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 — 120KV at 12S–16S for high-torque direct-drive foil builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard \/ Jetboard\u003c\/strong\u003e — complete drive system for DIY electric surfboard builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC Boat \/ USV\u003c\/strong\u003e — high-current VESC platform for high-speed marine applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003cspan style=\"text-decoration: underline; 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\" style=\"color: rgb(0, 0, 255); text-decoration: underline;\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 120A–250A Waterproof Power Connector\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e — use FD06-120A for main battery-to-ESC connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Propeller\u003c\/strong\u003e: \u003cspan style=\"color: rgb(0, 0, 255);\"\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);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e — designed for 65162 threaded shaft, low-drag folding design\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-aluminum-pcb-case-v1-0-200a-for-electric-skateboard-ebike-scooter-robots\" title=\"Firduo 200A Anti-Spark Switch Aluminum PCB for Skateboard \u0026amp; Ebike \u0026amp; Scooter\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 255);\"\u003eFirduo 200A Anti-Spark Switch\u003c\/span\u003e \u003c\/span\u003e\u003c\/a\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 120A 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\u003e120KV\u003c\/em\u003e if you already have a propeller; choose \u003cem\u003e120KV + DIY Propeller\u003c\/em\u003e for a complete drive system. Both variants include the motor, ESC, and VX3 remote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount the motor\u003c\/strong\u003e — secure the 65162 motor into your foil mast pod or motor mount using the standard M5 screws. Route the 1300mm 8AWG lead wires through the mast or board channel, away from moving parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor to ESC\u003c\/strong\u003e — plug the 3× 8.0mm gold bullet connectors from the motor into the ESC phase outputs (A-B-C). Rotation direction can be reversed in VESC Tool — no rewiring required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect water cooling\u003c\/strong\u003e — attach the FD75200's water cooling inlet and outlet tubes to your board's water cooling circuit. Ensure water flows through the ESC before powering on at high current. \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) on the 10AWG power cable. Use an anti-spark switch or pre-charge resistor to prevent connector damage. Verify battery voltage is within 14–75V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX3 receiver to ESC\u003c\/strong\u003e — for UART mode: connect receiver TX→ESC RX, receiver RX→ESC TX. Power receiver from ESC 5V BEC. For PPM mode: connect receiver signal wire to ESC PPM input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect FD75200 via USB. Run motor auto-detection wizard, set current limits (200A continuous max), configure throttle curve, and set protection thresholds. Our support team can provide a pre-configured file for the 65162 + FD75200 combination on request.\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 dry before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Firduo FD75200 ESC Wiring Diagram Water Cooling Connection for eFoil\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/FD75200-V2_85b82b6d-dc44-475c-b8cc-ca9d8174f8df_1024x1024.jpg?v=1680666324\"\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What battery do I need, and is it included?\u003c\/strong\u003e\u003cbr\u003eThe battery is \u003cstrong\u003enot included\u003c\/strong\u003e. The FD75200 ESC supports 14–75V (3S–16S). For eFoil and high-power builds, a \u003cstrong\u003e12S–16S LiPo or Li-ion pack with minimum 120A continuous discharge\u003c\/strong\u003e is required for full-power operation. A 13S (54.6V) pack is the most common choice for eFoil builds. Ensure your battery has a high-current connector rated for 120A+ and a BMS capable of sustaining the discharge rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Do I need to configure the ESC, or does it work out of the box?\u003c\/strong\u003e\u003cbr\u003eThe FD75200 ships with default VESC settings that will work for most builds, but we \u003cstrong\u003estrongly recommend running motor auto-detection\u003c\/strong\u003e in VESC Tool before your first water session. This calibrates the ESC to the exact parameters of your 65162 motor for optimal performance and protection. Connect via USB (included with ESC), run the detection wizard, and save. Our support team can provide a pre-configured setup file for the 65162 + FD75200 combination on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the water cooling required, and how does it work?\u003c\/strong\u003e\u003cbr\u003eYes — the FD75200 uses \u003cstrong\u003eactive three-pipe water cooling\u003c\/strong\u003e and must have water flowing through it during high-current operation. The ESC draws water from your board's water intake (typically a small hull fitting) and circulates it through the ESC cooling channels. Without water cooling, the ESC will overheat at sustained high current. At low power (testing, slow speed), brief operation without cooling is acceptable, but always ensure cooling is active before full-power riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What propeller should I use, and is the DIY propeller suitable for eFoil?\u003c\/strong\u003e\u003cbr\u003eThe optional DIY propeller included in the 120KV+DIY Propeller variant is a 7-inch propeller suitable for initial testing and lower-speed applications. For optimized eFoil performance, we recommend the \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-162mm-2-blade-folding-propeller-for-efoil-kayak-rc-boat\" target=\"_blank\"\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/a\u003e — designed specifically for the 65162 threaded shaft with a low-drag folding design for efficient gliding. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I use this kit for an electric skateboard or non-water application?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eVX3 remote supports ESK8 mode\u003c\/strong\u003e and the FD75200 VESC ESC is compatible with any BLDC motor within its voltage and current range — making this kit technically usable for high-power electric skateboard, e-bike, or other VESC-based builds. However, the water cooling system on the FD75200 is designed for marine use. For air-cooled applications, consider the \u003ca style=\"color: rgb(0, 0, 255);\" href=\"https:\/\/firduo.com\/products\/firduo-fd200-75v-200a-esc-aluminum-case-for-efoil-rc-boat\" target=\"_blank\"\u003eFirduo FD200 Aluminum Case ESC\u003c\/a\u003e instead.The 65162 motor requires water cooling for continuous operation; otherwise, it will affect motor efficiency or even damage the motor. If used in non-underwater environments, it is strongly recommended to install a water cooling circulation system.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Firduo eFoil Kit Application eFoil Electric Surfboard Hydrofoil Jetboard\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65162_5de9dc53-8b34-4be1-96cf-f23f929777f8.jpg?v=1697095577\"\u003e\u003c\/p\u003e","brand":"Firduo","offers":[{"title":"120KV","offer_id":40926502748338,"sku":"65162 kits 2","price":789.0,"currency_code":"USD","in_stock":true},{"title":"120KV+DIY propeller","offer_id":41672725495986,"sku":"65162 kits 2-1","price":819.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/5_26876159-bbe6-4456-8b32-1e2d5d12bf43.jpg?v=1688624893"},{"product_id":"firduo-electric-water-sports-kit-65162-120kv-motor-7inch-propeller-200a-esc-vx3-remote-controller-for-efoil-electric-surfboard-electric-hydrofoil-foilsurf-surffoil-rc-boat-esurf-jetski-jetboard","title":"Firduo Electric Efoil Kit 65162 Motor 200A ESC VX3 Remote for Hydrofoil \u0026 RC Boat","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong style=\"background-color: #ffff00;\"\u003eFD75200 Waterproof ESC\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/1_71cf0116-1962-4232-8a2a-42fbf1d2fa9a_1024x1024.jpg?v=1644486011\" alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/1_71cf0116-1962-4232-8a2a-42fbf1d2fa9a_1024x1024.jpg?v=1644486011\" data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSpecs: \u003c\/b\u003e\u003c\/h3\u003e\n\u003ch4\u003e Voltage:14-75V( safe for 3-16S)\u003c\/h4\u003e\n\u003ch4\u003e Continuous Current : 200A\u003c\/h4\u003e\n\u003ch4\u003e Max Current :300A\u003c\/h4\u003e\n\u003ch4\u003e Supported sensors: ABI, HALL, AS5047,AS5048A\u003c\/h4\u003e\n\u003ch4\u003e EPRM:150000\u003c\/h4\u003e\n\u003ch3\u003e\u003cb\u003eFeature: \u003c\/b\u003e\u003c\/h3\u003e\n\u003ch4\u003e Regenerative braking\u003c\/h4\u003e\n\u003ch4\u003e Sensored or sensorless operation + hybrid mode\u003c\/h4\u003e\n\u003ch4\u003e Configurable RPM-, current-, voltage- and power limits\u003c\/h4\u003e\n\u003ch4\u003e Input source: PPM, Analog, NRF Nyko Kama Nunchuck\u003c\/h4\u003e\n\u003ch4\u003e Communication ports: USB, CAN, UART\u003c\/h4\u003e\n\u003ch4\u003e Throttle curve and ramping for all input sources\u003c\/h4\u003e\n\u003ch4\u003e Seamless 4-quadrant operation\u003c\/h4\u003e\n\u003ch4\u003e Motor revolution, amp hour, watt hour counting\u003c\/h4\u003e\n\u003ch4\u003e Real time data analysis and read out via communication ports\u003c\/h4\u003e\n\u003ch4\u003e Adjustable protection against:\u003c\/h4\u003e\n\u003ch4\u003e Low input voltage\u003c\/h4\u003e\n\u003ch4\u003e High input voltage\u003c\/h4\u003e\n\u003ch4\u003e High motor current\u003c\/h4\u003e\n\u003ch4\u003e High input current\u003c\/h4\u003e\n\u003ch4\u003e High regenerative braking current (separate limits for the motor\u003c\/h4\u003e\n\u003ch4\u003e    and the input)\u003c\/h4\u003e\n\u003ch4\u003e High RPM (separate limits for each direction)\u003c\/h4\u003e\n\u003ch4\u003e Digital VCC and analog VCC are produced by different voltage regulators         \u003c\/h4\u003e\n\u003ch4\u003e    respectively to make the system AD conversion more accurate\u003c\/h4\u003e\n\u003ch4\u003e Motor wire: 8AWG\u003c\/h4\u003e\n\u003ch4\u003e Power cable: 6AWG\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFD65162 100KV\/120KV waterproof motor\u003c\/span\u003e\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/4_5a7ef16a-3173-4669-b62a-688a88cb9773_1024x1024.jpg?v=1653129644\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D65L162-100kv_e5e8107d-e241-444b-985f-58ad0621cafa.jpg?v=1658479482\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65162-100KV_3cbf9a3a-e8aa-443d-ae7b-5169cffc8908_1024x1024.jpg?v=1653129718\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/D65L162-A-120kv_3ae0e420-7259-4b06-9686-a32b8eafa161.jpg?v=1658479754\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65162-120KV_8b27f3d2-335e-429d-a179-270a11ad87ee_1024x1024.jpg?v=1653129772\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/5-BL.jpg?v=1669714467\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e\u003ci\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eVX3 Waterproof Remote Control\u003c\/span\u003e\u003c\/i\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/VX3-1_1024x1024.jpg?v=1653129833\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/vx3_8c1820be-0e98-4a66-9f5d-99236ac22022_1024x1024.jpg?v=1653129875\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeature:\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e 1.6-inch super clear and big screen display \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eDisplay shows more: Except for basic telemetry data, it also display GPS, motor power, real-time temperature of MOS tube, and throttle progress bar information \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eBe compatible with VESC and Non-VESC \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eESK8 mode \/ E-surf mode switching freely \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eEsurf mode：Cruise speed control function \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eWaterproof IP rating: IP67 \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eBigger remote battery capacity:1500MA \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eESC failure report ：Detect possible failures of the ESC in time for replacing \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eController mode: PPM\/UART \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan\u003eCharging way:Wireless Magnetic \u003c\/span\u003e\u003cspan\u003eCharging \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eVX3 Remote comes with Receiver \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eRemarks: For remote VX3, it is recommended to wash it with fresh water or soak it in fresh water for at least one minute after using to reduce salt residue and extend the service life of the remote.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65162_5de9dc53-8b34-4be1-96cf-f23f929777f8.jpg?v=1697095577\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/FD75200-V2_85b82b6d-dc44-475c-b8cc-ca9d8174f8df_1024x1024.jpg?v=1680666324\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\"\u003ePackahe include:\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\" data-mce-style=\"text-align: center;\" data-mce-fragment=\"1\"\u003e\n\u003ca href=\"https:\/\/www.hgltech.com\/collections\/flipsky-esc\/products\/300a-brushless-esc-full-waterproof-water-cooling\" data-mce-href=\"https:\/\/www.hgltech.com\/collections\/flipsky-esc\/products\/300a-brushless-esc-full-waterproof-water-cooling\"\u003eFD\u003c\/a\u003e\u003ca href=\"https:\/\/www.hgltech.com\/collections\/flipsky-motor\/products\/65162-100kv-120kv-motor\"\u003e65162 motor\u003c\/a\u003e*1\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\" data-mce-style=\"text-align: center;\" data-mce-fragment=\"1\"\u003e\n\u003ca href=\"https:\/\/www.hgltech.com\/collections\/flipsky-esc\/products\/300a-brushless-esc-full-waterproof-water-cooling\"\u003eFD75200 \u003c\/a\u003e\u003ca href=\"https:\/\/www.hgltech.com\/collections\/flipsky-esc\/products\/300a-brushless-esc-full-waterproof-water-cooling\"\u003eESC\u003c\/a\u003e*1\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.hgltech.com\/collections\/flipsky-remote\/products\/2-4ghz-remote-wh4-for-diy-electric-efoil\"\u003eVX3 remote controller\u003c\/a\u003e*1\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.hgltech.com\/collections\/efoil-products\/products\/65162-efoil-motor-propeller-yamaha-7-1-2-7-ba\"\u003e7 inch propeller\u003c\/a\u003e*1\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan\u003e8.0mm bullet connectors*3\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan\u003eM8 screw*2\u003c\/span\u003e\u003c\/h3\u003e","brand":"Firduo","offers":[{"title":"65162-100KV Kits","offer_id":41982331846834,"sku":"Pro kit 1","price":899.0,"currency_code":"USD","in_stock":false},{"title":"65162-120KV Kits","offer_id":41982331879602,"sku":"Pro kit-2","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/products\/1_48efb691-b8a6-4dc7-ab42-9cd5863fbfe1.jpg?v=1653129598"},{"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-thrust-system-1500w-18-5kgf-electric-fin-for-sup-surfboards-kayaks-rov-auv-usv","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":null,"price":635.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-1（CCW）","offer_id":46956178964658,"sku":null,"price":635.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2 (CW)","offer_id":46956178997426,"sku":null,"price":635.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A2-2（CCW）","offer_id":46956179030194,"sku":null,"price":635.0,"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":"tuna-underwater-thruster-1500w-18-5kgf-electric-fin-for-sup-surfboards-kayaks-rov-auv-usv","title":"Firduo TUNA 1500W 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⚡ 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; M4 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\/DIY_1dfd5ad3-27f5-4ddf-a6e5-d61a440ed3c0.jpg?v=1767930210\" alt=\"Firduo TUNA A1 DIY Installation Module Tail Fin Box Interface\" style=\"margin-bottom: 16px; float: none;\"\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 \u003c\/span\u003e\u003c\/a\u003e — same thruster with  ESC and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC\u003c\/strong\u003e: Any VESC-compatible ESC rated for 30A continuous at 10S–14S — e.g., \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 for high-power builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Remote\u003c\/strong\u003e: \u003cspan style=\"text-decoration: underline;\"\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\u003c\/span\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\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\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\u003ca href=\"https:\/\/firduo.com\/products\/firduo-fd75200-75v-200a-water-cooled-vesc-esc-for-efoil\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\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. If you select the wrong rotation, you can also reverse direction in VESC Tool or by swapping any two motor phase wires — no hardware change needed.\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":389.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-1（CCW）","offer_id":46956187091122,"sku":"TUNA-A1-1-CCW","price":389.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CW)","offer_id":46956187123890,"sku":"TUNA-A1-2-CW","price":389.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2（CCW）","offer_id":46956187156658,"sku":"TUNA-A1-2-CCW","price":389.0,"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":"tuna-thruster-1500w-18-5kgf-electric-fin-for-sup-surfboards-kayaks-rov-auv-usv","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\u003e1× High-Thrust Propeller (matched to selected rotation)\u003c\/li\u003e\n\u003cli\u003e1× 12AWG Silicone Motor Cable (900mm, 4.0mm gold connectors pre-installed)\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, compatible with standard fin boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ESC\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, waterproof to 5m)\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\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":null,"price":339.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A3-1（CCW）","offer_id":46956374687922,"sku":null,"price":339.0,"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":"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 title=\"Firduo Efoil Kit Setup Guide\" src=\"https:\/\/www.youtube.com\/embed\/I8VwT4kQE8g?si=krn1crxiBYpc22RO\" height=\"315\" width=\"560\"\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":null,"price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-1 (CCW) KIT","offer_id":47280270475442,"sku":null,"price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CW) KIT","offer_id":47280270508210,"sku":null,"price":509.0,"currency_code":"USD","in_stock":true},{"title":"TT160-A1-2 (CCW) KIT","offer_id":47280270540978,"sku":null,"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/collections\/1_41ae102c-8e1d-483b-80df-73545836596e.jpg?v=1776611285","url":"https:\/\/firduo.com\/collections\/diy-kit\/new-arrivals.oembed","provider":"Firduo","version":"1.0","type":"link"}