18650 Battery, Rechargeable Battery, Battery Pack manufacturer / supplier in China, offering Full Capacity 21700 Li Ion Battery 40t 4000mAh 35A 21700 Battery, Lithium Ion Battery 21700 3.6V Battery Cell Li-ion Rechargeable 40t for Ebike, Best Price Lithium Original 3500mAh 1865 Rechargeable Battery and so on.