... stable4.Certifications : CE,UL,FCC, RoHS,ISO90015. Long life cycle, No memory, environment friendly Advantages:1, High energy density2 ... battery cells3, Pollution-free, environment friendly4, Long cycle life; It extends its cycle life up to 800 cycles5,Capacity, resistance, Voltage ... :1, OEM orders are available2, Superior quality and cost-performance ratio3, Tags, plugs and connectors are available4, ...