Since Duracell and Powermat formed their wireless charging alliance late last year, we've seen the Powermat debut at CES and heard quite a bit about the company's vision for future battery tech. Today the company is unveiling a new charging system which, while not drastically different from the Powermat we've seen before, bundles a few useful products together. In addition to a Powermat for charging the iPhone or iPhone 4, the 24-Hour Power System includes a phone case (necessary for juicing a phone on the Powermat) and a portable backup batt