Dongguan Youli Electronic Technology Limited which was established in March, 2012, is one of the fullest range battery cells and battery packs company. Providing complete primary battery, LiFePO4,Li-thionyl Chloride,Li-polymer,Lithium-ion,Ni-MH and Ni-CD rechargeable battery single cells and PCM system solutions.The battery cells of all Youli battery pack are with high quality, including the Chinese top brands and imported branded battery cells from all of the world. The certificated ISO 9001, CE, RoHS, UN38.3, MSDS, CO and one year warranty are guaranteed by Youli.