New Trent Super-pack IMP500 5000mAh External Battery pack for iPhone 4 4G, iPhone 3G 3GS, iPod Touch
This compact and long-lasting backup battery will let you carry the power where ever you go. There's no need to charge your device through an electrical outlet,-THE IMP500 IS THE POWER SOURCE!
This tiny device can give you an extra 38 hours of movie time on an iPhone 4 or an ipod Touch.
This pocket size 5000mAh backup battery pack will work with your iPhone 4 4G 3Gs 3G (Verizon and AT&T), iPod Touch 1G 2G 3G 4G, Motorola Droid, HTC Android EVO phones and Kindle DX, Blackberry, and Samsung galaxy. It can also power Sony PSP, Amazon Kindle, Nintendo DS lite, DSi and Gameboy with optional adapters.