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15 Jul, 2004
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A Guide to USB Chargers for MP3 Players
The Go Green Shop
A Guide to USB Chargers
The USB port on a computer is commonly used to connect printers, MP3 players, external hard disks, cameras, etc, for the purpose of transferring files between the computer and the device. A USB port not only provides a data connection, it also provides a DC power supply. Many devices now take advantage of the computer's DC power out connection on the USB port to power themselves or recharge their own battery. Examples of this are fans, li...