... 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 ... % loadsAvailable Power for a sunny day’s charge6—8 hoursAvailable power for full battery25 hoursCOMPONEENTS REFERENCE1. solar panel2.INVERTER3. BATTERY Complete unit 3kw off grid solar system