The Power Slider -- a protective iPhone case that doubles as a second battery -- appears to be the first practical solution to extend the handset's meager battery life. The Power Slider contains a ...

If our review of the Mophie Juice Pack battery for the iPhone 3G appeals, but you know you're just too clumsy to cope without a more comprehensive case for your precious Apple cellphone, Incase may ...

One of the biggest customer complaints about the iPhone 4S is battery life. The battery never manages to last even a whole day and sometimes not even a half of a day. Although the iPhone 4 has always ...