76V 58Ah E-Surfboard Lithium Battery Model: TP-A1056 76.02V 58Ah Electric Surfboard Battery Nominal Voltage: 76.02V Nominal Capacity: 58Ah Rated Energy: 4409Wh (4.409kWh) Maximum Charging Voltage: 89.25V Charging Current: 25A Continuous Discharge Current: 200A Waterproof Grade: IP67 Dimensions (L×W×H): 507 × 397 × 99.5 mm https://www.topakpowertech.com/marine-watercraft-power-battery/76v-58ah-e-surfboard-lithium-battery