... , CE, FCC, UN38.3, ISO9001 Approx. 6.5kg Elecrtic bike/scooter battery pack of lithium with 48V 12Ah with charger and BMS and ... . Voltage at end of Discharge: 39V, Discharge Cut-off Voltage 6. Charging Voltage: 54.6V: 7. Standard charge: 2A CC(constant ... 3, Tags, plugs and connectors are available 4, We could design and produce the battery pack with aluminium alloy shell and assembly procession ...