Life Po4 Battery, Lithium Battery, Energy Storage System manufacturer / supplier in China, offering 10ah 20ah 30ah 40ah 50ah 18650 Strong Battery Lithium Pack 12.8V 24V 36V for Cordless Device, E-Bike, Street Lights, 36V 48V 60V 72V 20ah 30ah 40ah 60ahcustom Lithium Battery Pack for Robots, Agv, AMR, Electric Bike, Medical, Boat, Factory Direct 3u/4u/5u LiFePO4 Back Battery for Solar System and so on.