Our product Lithium Ion Battery The place of origin is Liaoning, China and the battery type is Li-ion. The warranty period is 5 years. Suitable for home use. The battery type is lithium aluminium case battery. Rated voltage is 51.2 V. Cycle time is 3000 cycles. Charging voltage 58.4 V. Discharge voltage 40 V. Charging current 20 A. Charging current 20 A. Storage temperature -10°C to 35°C.Home Energy Storage Photovoltaic Energy Storage Industrial Energy Storage.