UPP is a professional manufacturer specialize in manufacturing ebike lithium battery,li-ion battery pack, solar power li-ion battery, RC airplane polymer battery,lifepo4 battery pack and batteries for other devices. Our factory is Certified by ISO9001,and most batteries have UN38.3,MSDS,CE,ROSH certificate. We cooperate with many brand cell manufacturer such as Samsung,Panasonic,LG,Sony,BAK,DLG to ensure the battery quality.We export to European, America, Australia, Southeast Asia and other market.