solar system 1, rated output is 3kw 2. with inverter, controler, battery, solar panel ,mounting 3. fast delivery time in 7day 3kw off grid solar system from Qingdao allrun new energy co,, ltd Solar Cell ModuleMax power3060 W( 180W×17)Converting efficiency≥ 16% poly-crystalline silicon with 125×125 standard squareElectrical dataOpen circuit voltage44.5VMax voltage35.9VShort circuit current92. ...