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external battery pack for iphone, portable battery pack for 3G iphone,portable battery pack for iphone
Specifications:
weight:66.5g
Capacity:1800mah
Cell type: Li-polymer battery
Dimension:113*66*21mm
Output voltage:5V
Output current:700 mA max
Cycle times:500 times
Function&character
Power check and indication
Power switch
Protective and powerful
portable battery pack for iPhone