Battery & Charger: The B15 battery package includes the 1526Wh waterproof B15 battery and a compatible dedicated Tedgix 819W charger. The K4C charger is not compatible with the B15 battery.
Charging Notice: The B15 battery must be charged through its waterproof DC charging port using the included dedicated 819W charger. The Type-C PD3.0 port is intended for power output and does not charge the battery.
Charging and Battery Care
Use only the dedicated 819W charger included with the K4S B15 battery package. Charge the battery indoors in a dry, well-ventilated location. Do not cover the charger during operation, and do not use the 252W K4C charger with the B15 battery.
If the battery will not be used for an extended period, recharge it periodically according to the battery care instructions. Do not store the battery fully discharged for a long time.
Saltwater Maintenance
After saltwater use, rinse and WIPE down the exterior area, connectors, and any exposed metal parts with fresh water. Remove salt, sand, and debris, then allow the product to air-dry naturally before longer term storage.
Waterproof Battery System
The B15 1526Wh waterproof battery combines dedicated high-power charging with Type-C PD3.0 power output for compatible external devices. The B15 battery can only be charged with the dedicated Tedgix 819W charger. Type-C does not support battery charging.
Key Features:
- 1500W high-efficiency brushless motor: Built for stronger propulsion, faster riding, and more demanding water-use scenarios.
- Top speed up to 9.3mph: Actual speed depends on hull type, total load, mounting position, battery condition, wind, current, and water conditions.
- Powerful thrust up to 47lbs: Designed for riders who need more output than a casual cruising setup.
- Wireless remote control: Supports speed adjustment, steering control, forward and reverse operation, and one-touch cruise control.
- Steering servo with ±35° control: Provides more convenient directional control for compatible SUPs, kayaks, inflatable boats, and other small watercraft.
- Lightweight design: The motor weighs approximately 1780 g including cables, making transport, installation, and handling easier.
- Quick-release installation: Uses a standard 9-inch fin-style quick-release base for easier installation and removal.
- Saltwater and freshwater use: Suitable for both environments when properly cleaned and maintained after use.