Battery Specifications Nominal Voltage: 204.8V Operating Voltage: 172.8V-230.4V Battery Module: 102.4V 50Ah 5.12kWh Number of Modules: 2 Total Energy: 10.2kWh Usable Energy: 9.2kWh Rated Capacity: 50Ah Nominal Power: 5.1kW Max. Power: 9.8kW Recommended Charge/Discharge Current: 25A Max. Charge/Discharge Current: 48A General Data Cycle Life: 6000 Cycles Warranty: 5 Years Operating Temperature Range: Charge: 0°C ~ 55°C Discharge: -20°C ~ 55°C Storage Temperature: -20°C ~ 55°C Operating Humidity: 5% ~ 95% Operating Altitude: Below 4000m Protection Degree: IP65 Installation Location: Wall-mounted / Ground-mounted Battery to Inverter Communication: CAN Battery to Battery/BMS Communication: CAN Certificate: CE, UN38.3, IEC62619, IEC61000 Protection Level: I Dimension (WHD): 870*878.5*208.7 mm