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IntroductionThe ubiquity of USB cables and ports has revolutionized how we power devices. From smartphones to drones, USB charging offers unparalleled convenience. However, charging batteries directly via USB requires understanding voltage regulation, safety protocols, and hardware compatibility. Th
IntroductionUSB charging has revolutionized how we power portable devices, offering a universal and convenient solution for everything from smartphones to rechargeable batteries. This guide covers the technical principles, practical steps, safety considerations, and advanced techniques for charging
