Maximum continuous power: 2000w peak power: 4000w maximum efficiency: >90% no load current draw: 1.0A input voltage range: 21-28VDC under voltage shutdown: 21.0A?0.5volts low voltage alarm activation: 21.5-22A?0.5volts output voltage: 110VAC/220VAC/230VAC/240VAC output wave form: filterde modifide sine wave frequency: 50HZ or 60HZA?5% fuses internal: 7A?35A dimension: 42A?20A?8 weight: 5.3kg package: 52A?29A?26 QTY: 2pcs G.W.: 12.5KGS Container 20FT: 1300 pcs