ROCKFIRE INTERNATIONAL™ Personal Charger works with standard USB cables and is perfect for charging Cell Phones and other devices on the go.  It very easily fits into almost any pocket and is very light.  Made of strong Aluminum material - it is built to last! 
 
Product Details:
 
Aluminum material
5V/1A USB output charges at the same rate of most wall chargers
Includes a USB to micro USB connecting cable
2,200 mAh internal li-ion grade A battery