Pure sinus Power: 2000W / 4000W Input voltage range: 21-28 VDC No-load current: 300mA Output voltage: 230V Output voltage range: 220-240VAC Frequency: 50Hz ± 0.5 Maximum power: 4000W Continuous load power: 2000W Efficiency:> 92% Overload protection: at a load of 120% IPS automatically turns off Short circuit protection: (automatic shutdown) Low voltage protection: Temperature: 0-40 degrees Celsius Dimensions: 355x155x81 Weight: 4.5Kg