PowerSkin for Apple iPhone 4
There are many cases out there to protect your phone, but what about a case that also gives your phone a battery boost? The PowerSkin phone cover does just that. Now you can have twice the power for your smartphone. The PowerSkin is powered by their technology called XPAL. Your phone is charged by patented battery technology that reflects the highest standards of safety, quality, and performance.
The phone case is made up of a soft silicone rubber, lightweight, and is made up of 100% recycled material. There is a LED battery status light to let you know when the PowerSkin needs to be recharged. The power from the case gives you an average talk time of 480 minutes and standby time of 350 hours.
If you are constantly on the go and are looking for more battery life for your phone then the PowerSkin might be the device you need. The case sells for $69.99 and can be purchased at the PowerSkin website.