Proporta 01148 TurboCharger Back Pack for Apple iPhone 4 - Travel Charger - Retail Packaging - Black

This ridiculously handy product allows you to recharge your Apple iPhone 4 on the move again and again. Simply Insert your iPhone 4 into the Back Pack by separating the two sections and then sliding them back together once the iPhone is in place. The Back Pack will automatically commence charging and you'll see the charging icon appear on your iPhone. An LED display shows the level of charge.