Also known as solar lamp 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 solar photovoltaic panel. Solar-powered household lighting can replace other light sources because it uses renewable energy with infinity supply which is cheaper . However, solar lights may have higher initial cost, are weather dependent. Solar lamps for use in rural situations often have the capability of providing a supply of electricity for other devices, such as for charging cell phones.