The iPod 4-in-1 SuperCharger lets you charge your iPod no matter where you are. It plugs into your car’s 12V power supply or into a wall outlet. It can also plug into a USB port on your computer. If you find yourself in the wilderness with no other source of power, you can attach a 9V battery to the SuperCharger and charge your iPod. The SuperCharger has a coiled iPod charging cable built-in, so you only need to carry the one item. You can even use your iPod while charging. You can find it at many online retailers. Amazon.com has it for as low as $15.66.