UPP is a professional manufacturer specialize inmanufacturing 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 isCertified 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. Our Brand "UPP" isknown to more and more customers because of good quality and after sell service.In the past 3 years,UPP person only do one thing that is to ensure every customer use a green,environmental and safe battery,we will keep doing it as our mission.In future,we will have our agent and after sell service department in most major market,so we are hot welcome if any one have interesting to visit us and talk about cooperation.