Save $35.50 On Today’s Deal: a Cables Unlimited BatteryBoost for iPhone 3G & 3GS for Only $34.49 + Free Shipping at Buy.com

Brilliant… in the thickness of the hard case, the BatteryBoost has a rechargeable battery doubling the autonomy of your iPhone 3G or iPhone 3GS. Simply slide your iPhone 3G or iPhone 3GS into the BatteryBoost and gain a couple of hours “of battery” life. Plug your original charger cable into the BatteryBoost to charge your device and the extra battery at the same time.

Cables Unlimited BatteryBoost for iPhone 3G & 3GS On Sale Only $34.49