{"product_id":"tedgix-k4s-sport-electric-sup-kayak-motor-1400w-44-thrust-48-55v-wireless-remote-copy","title":"TEDGiX K4S Sport Electric SUP \u0026 Kayak Motor | 1500W | 47# Thrust | 48-55v | Wireless Remote","description":"\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; color: #2c3e50; font-size: 16px;\"\u003e📋 EDGE K4 - Frequently Asked Questions\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003eFind quick answers about installation, battery life, waterproofing, warranty, and more. \u003ca href=\"\/pages\/edge-k4-faq-kayak-motor-questions-answers\" style=\"color: #007bff; text-decoration: none; font-weight: bold; margin-left: 8px;\"\u003e View FAQ →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003e \u003c\/p\u003e\n\u003c!-- 你的原有产品描述内容从这里开始 --\u003e\n\u003ch3\u003eK4S Sport 1500W Electric Fin Motor for SUPs, Kayaks \u0026amp; Inflatable Boats\u003c\/h3\u003e\n\u003cp\u003eTurn your SUP\/paddleboard, kayak, or small inflatable boat into a fast, quiet, and effortless electric watercraft with the \u003cstrong\u003eK4 Sport 1500W Electric Fin Motor\u003c\/strong\u003e. Designed for performance, portability, and easy installation, the K4 Sport delivers impressive thrust while weighing less than 4 lbs, making it one of the lightest high-power electric fin motors available.\u003c\/p\u003e\n\u003cp\u003eWhether you're cruising long distances, reaching your favorite fishing spot, or simply enjoying a relaxing day on the water, the K4 Sport provides smooth, reliable electric propulsion in both fresh and salt water.\u003c\/p\u003e\n\u003ch3\u003ePowerful 1500W Brushless Motor\u003c\/h3\u003e\n\u003cp\u003eThe high-efficiency 1500W brushless, permanent magnet motor delivers up to \u003cstrong\u003e47 lbs thrust\u003c\/strong\u003e, providing excellent acceleration and performance for a wide variety of watercraft. Depending on the hull design, load, and water conditions, speeds of around \u003cstrong\u003e9.3mph \u003c\/strong\u003emay be achieved.\u003c\/p\u003e\n\u003ch3\u003eIntelligent Wireless Remote Control\u003c\/h3\u003e\n\u003cp\u003eOperate the motor effortlessly using the included wireless remote. Features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVariable speed control\u003c\/li\u003e\n\u003cli\u003eOne-touch Cruise Control\u003c\/li\u003e\n\u003cli\u003eForward and Reverse\u003c\/li\u003e\n\u003cli\u003eLeft\/Right electronic steering\u003c\/li\u003e\n\u003cli\u003eReal-time display of speed, voltage, current, RPM and battery status\u003c\/li\u003e\n\u003cli\u003eTrip distance and odometer\u003c\/li\u003e\n\u003cli\u003eTrim adjustment\u003c\/li\u003e\n\u003cli\u003eQuick USB-C charging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe remote offers responsive control with a range of approximately \u003cstrong\u003e50 feet (15 m)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eLightweight \u0026amp; Portable\u003c\/h3\u003e\n\u003cp\u003eAt only \u003cstrong\u003e3.9 lbs (1.78 kg)\u003c\/strong\u003e including cables, the K4 Sport is incredibly easy to transport. The compact design installs in seconds using the included quick-release mounting base and fits most paddle boards, kayaks, canoes, inflatable boats, and other small watercraft.\u003c\/p\u003e\n\u003ch3\u003eQuiet, Efficient Operation\u003c\/h3\u003e\n\u003cp\u003eThe efficient brushless motor delivers smooth, quiet performance with very little maintenance required. Cruise comfortably at moderate speeds for extended outings or switch to full power whenever extra speed is needed.\u003c\/p\u003e\n\u003ch3\u003eSaltwater Ready\u003c\/h3\u003e\n\u003cp\u003eThe K4 Sport is designed for both freshwater and saltwater use. Simply rinse the motor with fresh water after saltwater use to maximize its service life.\u003c\/p\u003e\n\u003ch3\u003eBattery Information\u003c\/h3\u003e\n\u003cp\u003eThe K4 Sport uses an external \u003cstrong\u003e48V battery\u003c\/strong\u003e. The battery is \u003cstrong\u003enot included\u003c\/strong\u003e, so you can purchase one separately. \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan\u003eIMPORTANT: 48V Battery Requirements!!!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cem\u003e When using a third-party battery with this electric fin, make sure the battery meets ALL of the following requirements:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e48V battery with a fully charged voltage not exceeding 55V.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eBMS capable of at least 35A continuous discharge. Battery capacity such as 20Ah, 25Ah or 30Ah is separate from the BMS discharge rating. Check the battery specifications for a continuous discharge\/BMS rating of 35A or higher.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eBuilt-in anti-spark\/inrush protection. Check the battery specifications to confirm this feature.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eIf the battery does not have built-in anti-spark protection, an external anti-spark\/pre-charge solution must be used. One option is an XT90-S anti-spark connector, installed between the battery and electric fin.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eIMPORTANT: Do not assume every battery advertised as \"48V\" is compatible. After fully charging the battery, we strongly recommend measuring its actual voltage with a multimeter before connecting it to the electric fin. The fully charged voltage must not exceed 55V. Batteries above 55V can damage the electric fin controller and must not be used. \u003c\/em\u003e\u003cem\u003e\u003cstrong\u003eDamage caused by an incompatible or over-voltage battery is not covered under warranty.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTo protect the battery from water, place it inside an optional \u003cstrong\u003edry box\u003c\/strong\u003e or small cooler. Affordable dry boxes are available at Harbor Freight and many other stores. The K4 Sport includes a battery connector with a short wire. Simply drill a small hole in the dry box, feed the wire inside, connect it to the battery, and seal the hole with silicone or another waterproof sealant. Installation takes just a few minutes.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor Power: 1500W Brushless\u003c\/li\u003e\n\u003cli\u003eMaximum Thrust: 21.5 kg (47 lbs)\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 45–55V DC\u003c\/li\u003e\n\u003cli\u003eMaximum Current: Under 30A\u003c\/li\u003e\n\u003cli\u003eTop Speed: Up to 9.3 mph\u003c\/li\u003e\n\u003cli\u003eRecommended Cruising Speed: 3.5–5 mph\u003c\/li\u003e\n\u003cli\u003eSteering Angle: ±30°\u003c\/li\u003e\n\u003cli\u003eWeight: 3.9 lbs (1.78 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e**\u003c\/strong\u003eWater Type: Freshwater \u0026amp; \u003cstrong\u003eSaltwater\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick-Release Mount Included\u003c\/li\u003e\n\u003cli\u003eWireless Remote Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eK4 Sport Electric Fin Motor and Wireless Remote Controller\u003c\/li\u003e\n\u003cli\u003eQuick-Release Mounting Base\u003c\/li\u003e\n\u003cli\u003eCable connector with wire\u003c\/li\u003e\n\u003cli\u003eBattery NOT inlcluded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e*Warranty:\u003c\/strong\u003e 1 year from the date of purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIMPORTANT:\u003c\/b\u003e Please inspect and test your K4 e-fin promptly after delivery. Before placing it in water, connect the battery and controller and briefly activate the motor to confirm that the motor and steering are working properly. \u003cb\u003eDo not run the e-fin outside of water for more than 30 seconds.\u003c\/b\u003e If you notice any issue, please contact us immediately and \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eprovide a short video\u003c\/strong\u003e\u003c\/span\u003e showing the problem.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e*Maximum speed depends on the type of watercraft, total weight, water conditions,      wind, current, and battery used.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**SALTWATER must have SOLID rinse and WIPE DOWN on each use!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"font-size: 0.875rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0853\/9855\/2884\/files\/1_01_c0f768b8-2f35-42cb-b94c-7edb01f43322.jpg?v=1778179333\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0853\/9855\/2884\/files\/1_04.jpg?v=1777929370\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0853\/9855\/2884\/files\/1_07.jpg?v=1778179333\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0853\/9855\/2884\/files\/1_05.jpg?v=1778179332\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"TEDGiX Watersports","offers":[{"title":"K4S Motor with Remote","offer_id":49225819619636,"sku":"TEDUSA-K4S","price":649.0,"currency_code":"USD","in_stock":true},{"title":"K4S with B15 Battery","offer_id":49293574144308,"sku":null,"price":1348.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9855\/2884\/files\/Screenshot2026-04-02173228.jpg?v=1782320971","url":"https:\/\/tedgixusa.com\/products\/tedgix-k4s-sport-electric-sup-kayak-motor-1400w-44-thrust-48-55v-wireless-remote-copy","provider":"Tedgix USA","version":"1.0","type":"link"}