... Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A Model: KY-4815A Approvals: RoHS, UN38.3, FCC,CE Capa Key ... full capacity2.Protection: Dual IC chips, that can anti-short circuit, anti-over charger, anti-over current, anti-overload3.Compose ... Technology to make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long life cycle, No memory, environment friendly rechargeable ...