Benergy Tech Co., Ltd. is an advanced Lithium Iron Phosphate (LiFePO4) Battery manufacturer who is dedicated to offer high power and energy density, long lifespan and ultra safe lithium cells and lithium battery packs. Our factory is located in Weifang Shangdong province which is in North of China.We have empolyed engineers and professional talents who been researching and producing lifepo4 batteries for over 10 years. And in 2017, we build our own pack production line to compose battery packs using our own cells.