A Solar Charger is a device that uses solar energy (sunlight) to generate electrical power and charge batteries or electronic devices. It converts solar radiation into direct current (DC) electricity using photovoltaic (PV) panels, making it a clean, renewable, and portable power solution. Solar chargers are available in a wide range of sizes and capacities — from small, foldable panels for mobile devices to large setups for charging power banks, car batteries, or even powering homes in off-grid systems.