Lithium Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A Model: KY-4815A Approvals: RoHS, UN38.3, ... full capacity2.Protection: Dual IC chips, that can anti-short circuit, anti-over charger, anti-over current, anti-overload3.Compose Type ... memory, environment friendly rechargeable Lithium Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A