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Chargers, as an electronics category, encompass devices specifically designed to replenish the power supply of various portable electronic devices such as laptops, tablets, smartphones, headphones and other computer accessories. They function by converting electrical current from a primary source, typically an outlet or battery pack, into a compatible form that can safely recharge the internal battery or power the device directly. Chargers are essential for ensuring optimal performance and longevity of electronic devices as they prevent overcharging, undercharging and damage to the battery caused by excessive heat or voltage fluctuations. The category may include different charger types like wall chargers, car chargers, wireless chargers, portable power banks, USB cables and adapters, each tailored to specific device requirements and user convenience.