Net Weight:Approx. 40 lbs (18 kg) Dimension:18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm) Charge Temperature:32 to 113°F (0 to 45°C) Discharge Temperature:-4 to 113°F (-20 to 45°C) Warranty:24 months Capacity:2016Wh Cell Chemistry:NCM Cycle life:800 Cycles to 80%+ capacity Management Systems:BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection Testing and certification:CE FCC ROHS Telec Extra Battery Port Input:50.4V, 1800W Max (X-Stream and solar dual charging) Extra Battery Port Output:43V-58.4V 3200W Max Smart Generator:Supported (sold separately)