The ENERGI 5K battery pack is slim, yet has enough juice to triple your phone's battery capacity.buy here
Rechargeable 5,200mAh internal battery
Slim-line design measures only 9/16" in depth.
USB port with embedded micro-USB cable for rapid charging on-the-go.
3 Amp circuit charges two devices simultaneously.
Battery Cell: Lithium Ion
Battery Capacity: 5.2k
Output Voltage: 4.75V-5.25V
Output Current: 3A
Battery Charge Time: 6 hours
Dimensions: 14.3mm x 70mm x 142mm
Technology Tell: "Overall, the TYLT Energi 5K has a lot of great things going for it. The built-in cable is so extremely handy, and the efficiency rating is positively outstanding. Those two aspects alone honor it as a serious contender for external battery packs." go »
Tech Bargains: "Power problems are a thing of the past with the help of the Energi 5K." go »
Royal Flush Magazine: "I can't live without it now." go »
Fox News: Included in FOX News' "Best and brightest technologies from CES" go »