... anti-overload3.Compose Type : Injection Technology to make battery more stable4.Certifications : CE,UL,FCC, RoHS,ISO90015 ... battery cells3, Pollution-free, environment friendly4, Long cycle life; It extends its cycle life up to 800 cycles5,Capacity, resistance ... , Voltage, platform time consistency is good6, Simplifying battery management system (BMS) and battery charger7, ...