... 1, rated output is 3kw 2. with inverter, controler, battery, solar panel ,mounting 3. fast delivery time in 7day 3kw ... Cell ModuleMax power3060 W( 180W×17)Converting efficiency≥ 16% poly-crystalline silicon with 125×125 standard squareElectrical dataOpen circuit voltage44 ... power for full battery25 hoursCOMPONEENTS REFERENCE1. solar panel2.INVERTER3. BATTERY Complete unit 3kw off grid solar system