New Trent Easypak 7000mAh Portable Triple USB Port External Battery Charger/Power Pack for Smartphones, Tablets and more (w/built-in USB cable)
My family has a two Galaxy S3's, an iPhone 4S and an iPod Touch.  We're always on the go, and our devices frequently run out of power.  When I go on business trips, the same thing happens to my colleagues and me.  The solution?  Buy a portable backup battery charger that will work with and charge multiple devices throughout the day, and have enough power to spare in case you lost your charger or the airport charging kiosk is overcrowded.<br />  I used another battery backup device before: The 10,000mAh Anke