Solar Power System, Battery, Lithium Battery manufacturer / supplier in China, offering High-Efficiency 15kwh LiFePO4 - 95% Energy Conversion Rate, Wonvolt Solar Energy Power System 300kw 500kw 800kw 1MW on Grid Solar Power System for Commercial with 300 Kwh 500kwh 1mwh Bess, 1MW/2mwh Modular Battery Container - Scalable up to 10mwh+ and so on.