Universal 8000Ah USB Port Battery is fantastic as a short road trip battery. It's bigger than I want to carry when flying but is perfect for charging. Right now AHAOMG has their Universal 8000Ah USB Port Battery Charger Portable External Emergency Power Bank for iPhone4 4s 5 Blackberry Samsung iPod Smart Phone(8000mah rose) for cheap price. You'll just need to visit the site.
Title:Power Bank Descriptions: Colors:Green ,Rose,Gray Input:5V/2A Output1:5V-1A Output2:5V-2.4A Capacity:8000mAh Weight:226g Size：10*7cm Batteries Type: lithium batteries Charging Time:about 5-6 hours to be full(with power adapter) Features: New style:high-grade appearance,fashion design; Versatile:can charge two devices at the same time to Capacity:Large capacity,Meet phones Multi-Times Charging task. Pure software version,the output of 1A + 2.4A,full of assurance can simultaneously charge two phones or a phone a counterinsurgency charging port for micro USB interface directly with ordinary Android phone charging head USB output,can give iphone,ipad,PSP,MP3,MP4 and other digital products charge Powerful intelligent protection function has the overcharge,over discharge,overload,short circuit,lightning protection,etc.