Off-grid Solar Systems Off-grid Solar Systems work independently of the Grid but have Batteries which can store the Solar Power generated by the System. The System usually consists of Solar Panels, Battery, Charge Controller, Grid Box, Inverter, Mounting Structure and Balance of Systems. A Off-grid Solar System is a setup that generates Electricity by utilizing the Solar Energy system. A typical Solar System consists of Solar Panels (which absorb sunlight), Inverter (which converts DC into AC), Mounting Structure (that hold the panels in place), Batteries (to store the extra power generated), Grid Box and Balance of Systems (wires, nuts etc.). An Off-Grid solar system will work even after a power cut, whereas an On-Grid won't work.