Home / Havospark HS-KAB 144V 35kW Electric Drive System for Mini Jet Boats – Liquid Cooled, 160mm Jet Pump

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Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Limited-time offer today：Buy More, Save More → Buy 2 Get 10% OFF → Buy 3 Get 20% OFF → Buy 4 Get 30% OFF

Havospark HS-KAB 144V 35kW Electric Drive System for Mini Jet Boats – Liquid Cooled, 160mm Jet Pump

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Model HS-KAB – 10 kW
Peak Power : 20 kW
Rated Power : 10 kW
Peak Torque : 53 N·m
Rated Torque : 16.7 N·m
Dimensions (L×W×H) : 856.48 × 200 × 221 mm
Rated Voltage (V DC) : 72–96 V
Phases : 3
Peak Phase Current (A) : 350 A
Rated Phase Current (A) : 120 A
Peak Speed in Water (rpm) : 5500
Rated Speed (rpm ) : 5730
Max. Efficiency (%) : 94.5 %
Ingress Protection : IP67
Cooling Method : Liquid cooled
Matching Propeller : 120
Total Drive System Weight : ~22 kg

For customers who want more power margin and thermal stability, we also offer a complete 144V drive system developed for mini jet boats. The system is rated at 35kW, with peak power up to 75kW, and includes the motor, liquid-cooled controller, 160mm jet pump, dashboard, and full wiring harness.
From an engineering perspective, the 144V platform allows strong torque output (up to 150 N·m peak) while keeping phase current under control, which helps with efficiency and pump matching. The system is IP67 rated and designed for continuous marine operation.
For saltwater applications, we recommend adding an internal circulation water pump to isolate the cooling loop and improve long-term reliability. For freshwater lakes or inland waters, this additional pump is not required, as the standard cooling setup is sufficient.
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FAQ

1. Are these products beginner-friendly?

Absolutely! Both the electric surfboards and mini boats are perfect for beginners. A little practice and you’ll be riding the waves like a pro.
2. Where can I use them?

Anywhere from the beach, lakes, and reservoirs to pools — basically most calm waters are fair game.
3. How long can I play on a single charge?

Depending on the model, you can usually enjoy 60–120 minutes of nonstop water fun.
4. Can I use them in saltwater?

Yes! Both are built for saltwater and freshwater. Just rinse with fresh water afterward to keep them in top shape.
5. Are they hard to operate?

Not at all. Both feature intuitive controls, making them perfect for casual fun, family adventures, or hanging out with friends.
6. Can multiple people enjoy them together?

Definitely! Great for group hangouts, beach parties, and family fun days.
7. How fast do they go?

They pack plenty of power for a thrilling ride on the water. Exact speeds vary by model, but the fun is guaranteed.
8. Are they safe?

Yes! Built with stability and waterproofing in mind. For extra safety, wear a life vest and stick to safe water zones.
9. Are they easy to transport?

Some models are designed to be portable and easy to pack up, perfect for trips, vacations, or weekend getaways.
10. Can I use them at night?

Some models come with LED lights for night rides — perfect for a glowing, fun-filled water experience.
11. Are they Instagram-worthy?

Absolutely! Whether surfing the waves or cruising on a mini boat, they’re perfect for snapping and sharing your water adventures.
12. Would they make a good gift?

Yes! Ideal for anyone who loves water sports, outdoor fun, or cool tech gadgets — a high-end, entertaining gift that’s sure to wow.