Lithium Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A Model: ... KY-4815A Approvals: RoHS, UN38.3, FCC,CE Capa Key Specification1. Model: KY-4815-A with ... cells to make sure batteries in high and full capacity2.Protection: Dual IC chips, ... . Long life cycle, No memory, environment friendly 48V 15Ah Lithium Electric Bike Battery with Charger, PCB and BMS ...