Prev2 of 5Next How Solar Lighting Works Solar lights consist of a small photovoltaic panel, a rechargeable battery, and an LED light. The panel collects sunlight during the day and converts it into electricity, which is stored in the battery and used to power the light at night. Prev2 of 5Next How Solar Lighting Works Post navigation Using a Tankless Water Heater Installing Radiant Barriers in the Attic