Features of LiFePO4 battery 1) 100% safe. It's the ONLY 100% safe battery among all lithium batteries. 2) Super long life cycle ( charged & discharged for 2000 times under 80% DOD ). 3) Absolutely environmentally friendly, no pollution at all, no heavy metal, no rare metal, no toxic, ISO9001 / CE / UL / RoHS Certificate granted. 4) Light in weigh, 1/3 of lead acid battery. 5) Smaller in size, 2/3 of leads acid battery. 6) High voltage for signal cell (3.2V / cell). 7) High Discharge Rate Capability: 3C continuous / 5-8C burst, can stand the highest discharge current. 8) Quick charging ability (2C quick charging to 85% within half an hour) 9) High temperature endurance, can work normally from -20oC to 70 oC and can endure 500oC environmental temperature. 10) Low self-discharge rate, < 3% /month. 11) No memory effect. We offer LiFePO4 battery cell from 8AH to 300AH with most advanced technology. We also supply battery pack, battery management system (BMS) and charger as a complete solution. Due to strong production capacity and mature technology, our price is very competitive. Hipower Company brief introduction: 1). Specializes in the researching and developing of Lithium Iron Phosphate (LiFePO4) battery and other related products since 2004. 2). The first worldwide manufacturer of LiFePO4 battery who started the mass production in 2006. 3). Have the second largest number of national patent (more than 10) in Mainland China. 4). The production bases cover about 520, 000 square meters and the monthly production capacity is 60 000 000 (60 million) AH. 5). Provide LiFePO4 battery from 8AH to 500AH. Also offer battery pack, battery management system (BMS) and charger as a complete solution since 2004. 6). Could offer most competitive price due to the strong production capacity and mature technology. 7). Our researching project was approved by the National Torch Center as a state-level Torch project.