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Chargers: A charger is an essential electronic device designed to supply electrical energy to rechargeable batteries and other portable electronics, enabling them to function continuously without requiring a direct power source. Typically, chargers convert alternating current (AC) from a wall outlet into direct current (DC), which is then used to replenish the battery's charge. Chargers come in various forms and specifications, tailored to accommodate different devices such as laptops, smartphones, tablets, digital cameras, portable speakers, and power banks. Charging technology has evolved significantly over time, introducing faster, safer, and more efficient methods of recharging batteries. Some advanced chargers incorporate features like adaptive voltage regulation, temperature control, short-circuit protection, and multi-port functionality to cater to diverse user needs. Additionally, the emergence of universal charging solutions promotes standardization across devices, reducing e-waste and enhancing compatibility. In essence, chargers serve as a crucial link between rechargeable batteries and their primary power source, ensuring seamless operation of portable electronics in our increasingly digital world.