Electric Surfboard Thruster
Electric Kart Boat Thruster

The WJ Series Electric Water Jet is a compact and lightweight electric water jet propulsion system developed by Kunpeng Power. Based on a mature structural design and long-term market validation, the WJ Series has become one of our most widely adopted solutions. Suitable as a professional electric surfboard thruster and electric kart boat thruster, it is specifically designed for electric surfboards, kart boats and other compact watercraft, offering fast acceleration, stable output and high system reliability. It is an ideal choice for customers seeking a balanced solution between performance, stability and cost efficiency.

Core Advantages

Ultra-Lightweight

Weights only 10kg and can be fully assembled within 30 minutes, maximising your setup efficiency.

2-Second Rapid Response

Low-inertia direct drive enables the jet to reach full thrust within 2 seconds, providing agile and linear acceleration.

Intelligent System Protection

Features multi-layer safety protocols, including RPM, current, communication, and battery health monitoring.

Durability & Anti-Corrosion

IP67 waterproof rated with a high-grade stainless steel body to withstand harsh saltwater environments.

Multi-Voltage Compatibility

Compatible with various battery systems, offering high flexibility for custom retrofitting and large-scale applications.

Stable Heat Dissipation

Maintains stable working temperature even under continuous high-load conditions to extend service life.

Technical Specifications

ModelWJ15
Energy TypeElectric
Voltage RangeDC65V-DC90V
Rated Current200 A
Rated Power15 KW
Gasoline Equivalent20 HP
Rated Speed7500 rpm
Control SystemThrottle Lever / Throttle Pedal
Communication485 / CAN / buletooth
Operating Env. / Storage Env.20℃ ~ 50℃ (68℉ ~ 122℉)
Cooling MethodWater Cooling
Ingress Protection (IP)IP67
Weight11.68 KG
Dimensions(Length * Diameter)560.5 X 108(mm)

Matching Battery Specs

Battery Model L7273
Battery Type NMC Lithium Battery
Nominal Capacity 73 AH
Rated Energy 5.3 KWH
Operating Voltage Range DC65V-DC84V
Continuous Discharge Current 250 A
Dimensions (WHL) 365mm X 135mm X 410mm
Charger Specifications 84V 15A
Battery Weight 28 kg
Charging Time 5 H

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