You know what you don't want? A fat external battery. Sure, you want one with plenty of juice to recharge your myriad mobile devices, but power packs with slim profiles are preferred. And EnerPlex has just the thing you need in the 6.7mm-thick Jumpr Slate. It's got two full-size and one micro-USB output ports, four LEDs to let you know how much (or how little) juice you have left, and it comes in 10,000 and 5,500mAh sizes pushing 2.4 amps. Both Jumpr Slates land at the end of the month, with the big boy costing $99 while the smaller version costs $59.
Richard Lai contributed to this report.