mophie Juice Pack Helium
As capable as the iPhone is, many owners would like to squeeze more battery life from it. Here are a selection of gadgets that can keep your iPhone juiced up.
The mophie Juice Pack Helium can extend the phone's battery life by 80 percent. The case is relatively lightweight, 62g, and mophie says it is 13 percent thinner than its earlier Juice Packs for the iPhone.
Available for £69.95 ($79.95) from the Apple Store.