External backup battery for iPhone

High capacity 1400mA polymerized Lithium-ion battery!
USB AC adaptor
Compatibale with all iPod with a 30 Pin connector
5 hours of talking time and 30 hours of additional music, 8 Hours of video
Compatible: iPhone / iPhone 3G / iPod
Battery type: Li-ion polymer cell
Input: 5V 500mA
Output: 5V 500mA
Stocking temperature: -20C~ 48C
Precise LED light power indication, slow flashing shows discharging status
4 LED indicating the current capacity: 25% -50% -75% - 100%;
The Package included: Battery & USB cable.