Longer battery life is one of those things that's usually at the top of people's smartphone feature wish list. I know it is mine. But unfortunately, there hasn't been any major new developments in mobile battery tech over the last few years.
Companies like Motorola are figuring it out though. The Google-owned maker just introduced a new handset with a staggering 48-hour battery life. And according to this patent application just published by the USPTO, Apple is too...