1.Warranty:3 Months-1 Years 2.Capacity:5000Wh/51.2V/100Ah/100000mA 3.Battery Type: Lithium iron phosphate (LiFePo4); 4.Output Voltage (V):110/220V; 5.Cycle life:2000+; 6.Built-in inverter:Pure sine wave inverter; 7.Protection including: Shortcircuit, Overload, Over temperature proof etc., 8.OEM/ODM:Yes 9.Grid Type:Off-grid 10.Net weight:52kg/115 lbs 11.Controller Type:Built-in Controler 12.Mounting Type:portable 13.Load Power (W):4kW 14.Output Frequency:50/60Hz