Le Power Pack Étui pour iPhone4

For Power Pack Case, it is easy to operate, and it has super power. The fabrication of surface adopts hard-wearing UV to process. It is wear-resisting permanently. It is also your phone's protection housing. More important, its design of changing batteries in cycles keeps you from worries forever.
Range of Application: A product designed especially for iPhone 4G.
Specification for Power Pack Case
Model: WT-P109
Dimension: 129(L)*64(D)*16(T)mm
Input: DC5V/500MA
Weight: 38 g
Output: DC5V/500MA
Specification for Standby Battery
Model: WT-B109 Capacity: 2020mAh
Standard Voltage: 3.6V Weight: 44G
Usage:
Press down the button below Power Pack Case, it can shows the surplus electric quantity. It will go off in 5 seconds. The following with the display meaning from left to right:
One light ----- Electric quantity is less than 20%
Two lights-----Electric quality is 20%--40%
Three lights----- Electric quantity is 40%--60%
Four lights----Electric quantity is 60%--80%
Five lights----Electric quantity is 80%--100%