Battery Type LiFePO4(LFP) Nominal Voltage 102.4Vdc Nominal Capacity 40Ah Nominal Energy 4.09kWh NominalCharge/Discharge Current 40A Max.Charge/Discharge Current 50A Charge Temperature 0~50°C Discharge Temperature -20 ℃~ 55°C Storage Temperature 0 ℃~ 35°C Ingress Protection IP65 Dimension (W/D/H) 540*385*220mm Weight Approximate 32kg