DigiPower JS-Talk Home and Car Power Kit for iPhone and iPod - Charger - Retail Packaging - Black
Digipower's JS-Talk self-contained battery pack for iPhone and iPod almost doubles iPhone battery life. 1200mAh battery provides up to 3.5 hours of extra 3G talk time or 7 hours video playback or 22 hours of audio playback. The built-in USB cable offers ultimate portability. Made for: iPhone 4, iPhone 3GS, iPhone 3G, iPhone, iPod touch (1st, 2nd, 3rd, and4th generation), iPod classic, iPod Nano (2nd, 3rd, 4th, 5th, and 6th generation), iPod with video.