If you are not happy with your new iPhone 4 battery life, here’s a solution from Exogear. In fact Exolife, the sleek iPhone 4 case with a 1500 mAh Lithium Polymer battery inside, not only doubles the battery life but uses a technology called ExoClear that eliminates interferance with the iPhone 4′s antennae.

The Exolife features a polycarbonate frame and an illuminated power meter. At only 59 grams in weight and $90 in price, this little gadget can be your iPhone 4′s best companion.

[source: exogear.com]