iPhone 4 Battery Cases

The exolife™ iPhone battery case is a sleek, protective exoskeleton for the iPhone 4, iPhone 3G and 3GS. The exolife™ is outfitted with a rechargeable external battery to give your iPhone the extra power that you need. The exolife™ serves two functions: Power and Protection.

The lithium-ion polymer battery inside the exolife™, virtually doubles the battery life of your iPhone so you can talk, surf, watch and play longer. And there is no need to sacrifice the beauty of your iPhone with some clumsy looking case - the hardshell casing of the exolife™ wraps snugly around your iPhone to give it maximum protection while enhancing the look and feel of the iPhone itself.