$47 off LifeCHARGE iPhone 4/4s Battery Case

Charge your Apple iPhone 4 or 4S cell phone on the go with this LifeCHARGE ONT-PWR-35065 case that features a built-in 2000 mAh lithium-polymer battery for up to 8 hours of additional talk time on 3G networks. The polycarbonate material with a satin rubber finish ensures durable protection.