Life Po4 Battery, Lithium Battery, Energy Storage System manufacturer / supplier in China, offering Li-ion Battery 3.7V 4000/4500/5000mAh 18650 Lithium Ion/LiFePO4 Battery, Factory Direct Price 3.7V 21700 Lithium Battery 4000/4500/5000mAh Cell for Electric Bicycle/Scooters, Factory Price 3000/3500mAh 3.6/3.7V Rechargeable 18650 Lithium Battery 18650 Cell for Power Tools and so on.