A solar charger works by converting sunlight into usable electricity. The main component in a solar charger is the solar panel. These panels are made of photovoltaic cells, usually silicon-based, that capture sunlight. When sunlight hits the cells, it excites electrons and generates a flow of electric current. This current is then regulated through an internal circuit and sent to a battery or directly to the connected device. Most solar chargers come with USB ports, allowing users to plug in devices just like a regular charger. Some advanced solar chargers also have built-in power banks, which means they can store energy during the day and provide charging at night or when it’s cloudy. This makes them even more practical.