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
Android Guys "One of the most impressive specs of the 5K is its ability to dual charge with its built-in micro USB cable and USB port." go »
Wired "When your gizmos are running on fumes, TYLT’s slim battery pack can provide a second life. " go »
Powered Reviews "TYLT keeps its reputation going with the Energi 5K+. This Power Bank achieves overall high performance " go »
BW One ""The TYLT Energi 5K+ battery pack is my portable battery charger of choice especially if you are an iPhone AND android user! " go »
Android Central "When I need it I get a power bump off of my TYLT battery, which at 5000mAh strikes a good balance between size and functionality " go »
TweakTown: " 91% rating and the Must Have Editor’s Choice Award. " go »
Huffington Post are among my favorite chargers, period. go »
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 »