Shenzhen Howell Energy Co., Ltd. is a leading battery manufacturer in China, focusing on LiFePO4, Li-polymer, Li-ion, NI-MH and NI-CD rechargeable batteries, including PCM and power system solutions. Why choose us:1.Our company has more than 20 years' experience in battery R&D, producing and the overseas marketing. 2.ISO9001:2008 certified factories, which span a total of 360,000sqm, turn out over 6,000,000Ah output monthly. 3.Employs more than 1,200 people,with a professional R&D team, experienced workers and advanced equipment.4.100% Quality management and 100% prodyct test, Intertek rates the factory at 91 score,the average factory score is 80.5.The batteries are UL, IEC62133,UN38.3,CE,ROHS,MSDS etc approved.Export safety, transportation guarantee.