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 ...

Apple got a lot of things right with the iPhone 3G—but not battery life. Instead of affixing some awkward dongle, the designers at Incase suggest slipping your baby into the Power Slider. It not only ...

The iPhone 3G's battery is one of its worst Achilles heels, though admittedly one that owners of the previous iPhone generation and anxious owners-to-be thrust upon us all. "Give us 3G data!" we ...

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 ...