China 21.41kwh/Pack (77.28V277Ah) LiFePO4 Standard Battery Pack with ECE R100, MSDS, Un38.3, Find details about China LiFePO4 Battery, Lithium Ion Phosphate Battery from 21.41kwh/Pack (77.28V277Ah) LiFePO4 Standard Battery Pack with ECE R100, MSDS, Un38.3