A new patent unearthed by Apple Insider titled "Increasing Energy Density in Rechargeable Lithium Battery Cells" shows that Apple's got its sites set on your iProduct's longevity: More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/F3RMpC7X7CQ/apples-next-big-move-might-be-supercharged-batteries