We have introduced several nice iPhone 5 cases with backup battery, but if you want a customizable option, Uncommon’s Power Gallery battery case for iPhone 5/5s may be more suitable for you.
The Power Gallery is a customizable battery case that measures 142 x 64.5 x 16.4mm, weights 85g, and designed for iPhone 5 and iPhone 5s. As we can see from the images, the iPhone 5 case features sleek slim design, and comes with a 2200mAh backup battery to more than double the battery life of your iPhone 5s or iPhone 5, moreover, the durable construction protects your iPhone from bumps and scratches, most importantly, same as other uncommon cases, Power Gallery is also customizable via adding your own design on the back.
The Power Gallery battery case is priced at $119.95 USD. If you’re interested, jump to uncommon official site for more details.