HIPOWER produces LiFePO4 battery in Qingdao, China. As a pioneer in LiFePO4 battery field in China, we started production in 2004, with a current monthly output of 60M AH. We have 7 years export experiences. We offer:1Battery cells: 20AH~500AH, different battery packs per your request2Full power solution: "LiFePO4 battery pack + Charger + BMS" 3Batteries widely used in various fields: EV(electric car/Scooter/motorcycle etc.), marine, storage, UPS, telecom, Solar/Wind, electric grid, etc. 42 years warranty for battery pack