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EDGE K4 Batteries

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EDGE K4 Batteries – Fast-Charging Waterproof Power Banks for SUP & Kayak Motors (B1/B2/B4/B8)
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Multiple Specifications to Meet Various Application Needs

B1 Capacity：97WH

Weight：800g
Voltage：TYPE - C: PD3.1, Max 140w   
Waterproof Quick-Connect DC Port: 24V

Battery Life When Paired with K4

  • Eco Mode: 1.1h   
  • Full - speed Mode: 15min

B2 Capacity：199WH

Weight：1350g
  • Voltage：TYPE - C: PD3.1, Max 140w   
  • Waterproof Quick-Connect DC Port: 24V

Battery Life When Paired with K4

  • Eco Mode: 2.5h   
  • Full - speed Mode: 33min

B4 Capacity：444WH

Weight：2570g
  • Voltage：TYPE - C: PD3.1, Max 140w
  • Waterproof Quick-Connect DC Port: 24V

Battery Life When Paired with K4

  • Eco Mode: 5h
  • Full - speed Mode: 1.3h

B8 Capacity：820WH

Weight：4056g
  • Voltage：TYPE - C: PD3.1, Max 140w
  • Waterproof Quick-Connect DC Port: 24V

Battery Life When Paired with K4

  • Eco Mode: 8.75h
  • Full - speed Mode: 2h

Dual Function: Waterproof Power Source & High-Capacity Power Bank

TYPE-C PD3.1 bidirectional fast charging not only enables high-power discharge, but also quickly charge phones, laptops, drones and other mobile devices.

Dual Ports Support Charging and Discharging Simultaneously

TYPE-C Port / Waterproof Quick-Connect DC Port.

Safety Temperature Control Technology for Worry-Free Operation

Intelligent temperature control technology enables rapid heat dissipation whether in peak power or trickle charging.

IP68 Dustproof and Waterproof Rating

Allowing you to navigate the water without worries

Stronger and Lighter, Redefining Waterproof Batteries

Travel fully charged and explore wider horizons without worries.

Product Parameters

For details, please contact official customer services

Product Parameters

For details, please contact official customer service
Product Name Product Size Battery Weight
B1 122.5*63.8*75.5mm 800g
B2 196.5*63.8*75.5mm 1350g
B4 197.5*76.4*123.8mm 2570g
B8 271.5*76.4*123.8mm 4056g
Product Name Battery Capacity Battery Type
B1 97Wh Lithium battery
B2 199Wh Lithium battery
B4 444Wh Lithium battery
B8 820Wh Lithium battery
Product Name Cruise at 5km/h (3.1mph) Cruise at 9.5km/h (6mph)
B1 1.1h 15min
B2 2.5h 33min
B4 5h 1.3h
B8 8.75h 2h
*Battery endurance parameters (The parameters are measured data in specific environments, for reference only)