The Mophie Space Pack ($150-$180) not only provides extra battery life for your iPhone 5 or 5s but the case also provides much needed storage, with either 16GB or 32GB of capacity available. An easy-to-use file management system, Airplay and Airdrop integration, as well as the ability to easily access any kind of file at any time let you stop worrying about maximizing your storage limit on your phone.