Features of e-bike battery: Waterproof ABS shell can avoid light rain and dust USB port can charge mobile phones, mobile power supplies and other devices With 4-pin base plate, it can be installed on most frames Switch controls the power supply, blocks the internal power supply of the battery, and reduces the internal consumption of the battery Cycle charging can reach more than 1,000 times, and the service life is up to 5 years Built-in BMS can perform overvoltage, overcurrent, overload, short circuit protection and temperature protection Lithium battery pack parameters: Battery type: lithium-ion battery Shell material: ABS waterproof shell Voltage: 36V 48V 52V Capacity: 12.5Ah 15Ah 13Ah Applicable motor: 450W 550W 700W Dimensions: 370*90*110mm Charging voltage: 42V 54.6V 58.8V Charging current: 2A Charging temperature: 0℃-45℃ Discharging temperature: -20℃~65℃ Service life: 1000 cycles, 5 years Packing list: Ebike battery 4-pin discharge base plate 2A charger User manual Key Purchase instructions: Please confirm the motor and voltage of the electric bike before purchase Please check whether the size of the battery can be placed on the frame of the bicycle