Specifications 36 volt lithium ion battery for electric bicycle 1.smart BMS 2.option cells samsung, panasonic, sony, sanyo 3.2years warranty 36 volt lithium ion battery for electric bicycle detail specs as follows: Product Description 1Voltage36V lithium ion battery for electric bicycle 2CapacityTypical: 12Ah0.2C discharge after full charge. Min: 11.5Ah 3Charge Voltage42V±0.1V 4Impedance 200mΩ(Max) 5Charging ModeC.C/C.V.Constant Current to Constant Voltage 6Charging Method Standard Charging 2A Fast Charging 4A 7Charging TimeStandard Charging8H Fast Charging4H http://www.puxunbattery.com/