1 3 years warranty 2 6-8 years lifespan 3 high output 4 CE, Rohs certificate 5 no pollution, no heavy metal Automotive starting battery Due to high peak power capacity/long lifespan/lightweight/environment-friendly Hipower LiFePO4 SLI batteries is the best replacement of lead-acid SLI batteries Saves up to 5% oil Start-up quickly Long lifespan got above six years, maintenance-free Normal start-up under high or low temperatures 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.