My iPhone 4S is an voracious energy-sucking vampire and its internal battery is its victim. I figured Apple was hard at work trying to solve the issue. According to the Guardian they are, but it looks like Apple's not sure why it's happening.
Since the earthquake and subsequent tsunami, Japanese companies have been focusing their efforts on creating products that can be useful in an emergency. And since batteries can be vital when a power grid's been knocked out, Sanyo has been working to improve their shelf life.
Sometimes, smartphone screens are just not big enough. Linking it to a projector is helpful but it's hardly portable and before you know it, the battery's gone. The Monolith, a triple-threat iPhone case that works as a projector and a battery pack, can light up your room while keeping your gear booboo-free.