Lithium Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A Model: KY-4815A Approvals: RoHS, UN38. ... anti-short circuit, anti-over charger, anti-over current, anti-overload3.Compose Type : Injection Technology to make battery more stable4.Certifications : CE ... life cycle, No memory, environment friendly rechargeable Lithium Electric Bike Battery 48V 15Ah with Charger, PCB and BMS, 30A