18650 Battery, Rechargeable Battery, Battery Pack manufacturer / supplier in China, offering Portable Rechargeable Power Station LiFePO4 12.8V 12ah Lithium Iron Batteries, High Discharge 3.7V Cylindrical 5000mAh RS50 21700 Battery, High Discharge 20A 18650 25r 2500mAh Rechargeable Li-ion Battery and so on.