K4C Paddle Board Motor, Electric Fin & Steerable Kayak Motor – 22lb Thrust / 6MPH, 400W Brushless Underwater Thruster for SUP & Kayak with Wireless Remote & Cruise Control(No Battery)

This motor(No Battery Combo) is typically designed to work with a specific battery combination.  While it is compatible with your own battery, please be advised that doing so may require manually soldering a K20 connector to the motor leads.


  • 🏠 【USA BUSINESS 】 – Buddy RC is a family‑owned business based in the USA. We offer a curated selection of water sport, and we carry spare parts for select models.
  • ⚡ 【ULTRA-LIGHT & PORTABLE】 – Only 1535g (upgraded from K4). Tool‑free 9‑inch quick‑release fin. Fits SUPs, kayaks, canoes & inflatable boats. This lightweight paddle board motor and kayak motor kit requires no tools for installation.
  • 🚀 【POWERFUL BRUSHLESS PERFORMANCE】 – 400W brushless underwater thruster delivers 10kg thrust (22 lbs) & 9.6km/h (6 MPH) top speed. This motor for kayak cruises comfortably at 5‑6km/h using only 100W.
  • 🎮 【WIRELESS REMOTE & CRUISE CONTROL】 – Millisecond response with seamless forward/reverse switching. One‑touch cruise control enables hands‑free operation – perfect SUP electric fin or kayak trolling motor with remote.
  • 📡【SMART REMOTE】 – Real‑time display of voltage, current, battery level & speed. This underwater propulsion device charges via Type‑C (2hrs) with 10hr standby. Works as an electric fin for paddle board with full trip data.
  • 🔋 【FLEXIBLE POWER OPTION】 –Battery not included. Compatible with DIY batteries (19 25V). Use your own battery or upgrade to B2/B4/B8 for extended runtime. Perfect for users who already have compatible batteries.
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