Winston Battery, LiFePO4 Battery manufacturer / supplier in China, offering Chargery Bi-Directional 100V 300A DC Contactor, Catl 3.2V 100ah LiFePO4 Prismatic Battery Cell with Terminal for Energy Storage, Solar System, Calb Grade a 3.2V 100ah L160f100 LiFePO4 Prismatic Battery Cells with Screws and so on.