What is Off grid system?Off-grid system is suitable for areas without grid-connected or unstable grid-connected power.Off grid system is usually composed of solar panels, connector, inverter, battery and mounting system   Item NO. JH-5KW-OFF System Type: Off Grid Solar System Solar Panel Type: Monocrystalline Solar Panel Battery Type: Wall Mount Battery Controller MPPT Inverter 5KW  Warranty 10 Years OEM Accepted