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Li-Polymer Power case for iPhone 3G,iPhone 3GS and iTouch Specifications:
Weight :66.5g
Capacity:1900mAh
Cell type:Li-polymer battery
Dimension:113*66*21mm
Output voltage:5v
Output current :700 Ma max
Cycle life:500 times
Function&character:
power check and indication
power switch
chaging by USB cable

