Battery Chargers are electronic devices designed to safely recharge rechargeable batteries by supplying controlled electrical current and voltage. They help restore battery capacity while incorporating charging control and protection features to support reliable and efficient operation.

Battery chargers are commonly used for consumer electronics, portable devices, power tools, automotive equipment, industrial systems, and rechargeable battery packs. They are available for different battery chemistries, including lithium-ion, NiMH, NiCd, and lead-acid, with various charging speeds, input voltages, output ratings, and form factors to meet specific application requirements.