X-Power iPhone Charging Cable With an Inline Battery

This is a special charging cable with a battery about the size of AAA battery placed along the cable.

This battery allowing you to charge your iPod without plugging it into a computer, very useful for outdoor usage.

With its slim design this charger is so easy to be carried around. It comes in 6, 20 and 30 inch models in black and white.

If you're interested in X-Power charging cable, it's available on the market for the price of $30