The Felicity Solar 10kWh 51.2 Lithium Battery is a high-capacity battery designed for off-grid solar systems. It is made of Grade-A cells and lithium iron phosphate materials, with a built-in Battery Management System (BMS) and up to 6 units in parallel. The battery has multiple certificates including UN38.3, CE, MSDS, etc1. The battery has a nominal voltage of 51.2V and a usable capacity of 10kWh 12. It has a voltage range of 48-57.6V and a maximum charge .