ismashphone.com recently featured our PowerSkin case for the iPhone 4/4s. Pointing out that the constant calling and texting are hindered by the internal phone battery, the reviewer points out the PowerSkin is a great solution for those looking for a battery boost.
Usually, we avoid cases for our iPhones. It adds a bit of bulk. Bulkiness is not fun to carry around. At the very least, there is a tradeoff for this extra bulk. It’s great to have the extra battery life.—8BITJAY, ismashphone.com
Check out the original article PowerSkin Protective Case with Built-in Battery for iPhone 4 and iPhone 4S.