There's a Surprising Amount Of Power Inside This Super-Thin Battery

Last year Vorson managed to squeeze a 2,500 mAh battery into its Bookmark power pack that measured in at just 4.7 millimeters at its thinnest point. Impressive! But it's a wimp next to EnerPlex's new Jumpr Slate, which packs a heft new 10,000 mAh battery into a binder-friendly, blade-thin package. » 1/15/14 1:20pm 1/15/14 1:20pm