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The IFUNGOO Y03+B1 Electric Thruster is a compact, IP68-rated marine propulsion system designed for stand-up paddleboards, kayaks, and inflatable boats. Weighing just 1.2kg with a 238mm footprint, it delivers 10kgf of thrust via a 430W motor across 4 forward gears, powered by the B1 NMC lithium-ion battery (36Ah, 799.2Wh, 22.2V) that floats on water and recharges in roughly 3.5 hours. Build quality features an aluminum motor housing, a carbon fiber stabilizing fin, and a self-protecting propeller that resists underwater debris. Its modular, seawater-ready design offers anti-corrosion performance for harsh marine environments. A wireless watch remote delivers speed control plus an emergency stop button for added safety, while CE, FCC, UN38.3, UL, and ROHS certifications confirm rigorous testing. Compatible with Moonlight SUPs, twin-hull SUPs, DAMA SUPs, and inflatable vessels, the kit includes the thruster, remote, charger, magnetic cable, mounting bracket, and safety rope—making it ideal for paddleboard fishing and recreational cruising.