MOPHIE JUICE PACK PRO | CASE AND BATTERY

Mophie have recently launched some perfect adventure companions. We recently wrote about the Mophie Juice Pack Powerstation Pro, a rugged external battery for charging your gadgets in extreme conditions. The Mophie Juice Pack PRO is a two-in-one product, it works as a ultra-tough case for the iPhone 4 or 4s and includes a built-in battery that more than doubles the battery life of your phone! source