$52 off LifeCHARGE Galaxy S4 Battery Case

Extend your Samsung Galaxy S 4 cell phone's battery life with this LifeCHARGE ONT-PWR-34693 case, which features a built-in 2100 mAh lithium-polymer battery for up to 8 hours of additional talk time on 3G networks, up to 10 hours of Internet use on Wi-Fi networks, up to 38 hours of audio playback or up to 10 hours of video playback.

This LifeCHARGE Galaxy S4 Battery Case features carbon-fiber, acrylic and polycarbonate materials to offer reliable protection against damage. LED indicators keep you informed of the current charge status.