Shenzhen HXX ENERGY Co., Ltd. is specialized in producing lithium ion battery pack, LiFePO4 battery pack, polymer battery, battery charger, inverter, flashlight and so on. The team consists of senior electrochemical research doctors, masters and bachelors of science with more than 7 years experience in designing and developing. With rich experience in battery packs production quality and service, we can ensure the quality of our products.