A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter. The lamp operates on electricity from batteries, charged through the use of a solar photovoltaic panel. Solar-powered. . When light shines on a photovoltaic (PV) cell – also called a solar cell – that light may be reflected, absorbed, or pass right through the cell. The PV cell is composed of semiconductor material; the “semi” means that it can conduct electricity better than an insulator but not as well as a good. . Solar lights are just like ordinary ones, the only difference is that they generate energy from the SUN without the use of any hard wires or complicated hardware. Pixabay, andreas160578 Solar panels play a crucial role in harnessing renewable energy by converting sunlight into usable electricity.