1900mA External universal portable power bank case For Iphone 4 4S
Product Description
1900mA External universal portable power bank case For Iphone 4 4S
Specifications:
Product item
backup case battery for iphone 4/4s
Weight: 65g
Capacity: 1900mAh
Cell type: Li polymer battery Lithium-ion
Dimension: 12.5X63X16mm
Output voltage 5V
Output current 500mA
Cycle life 500 times
Function & character:
1.Enhance iPhone4 signal
2.Power check & indication
3.Power switch
4.Protective and powerful
Signature:
Standby time up to 230 hours
Talk time up to 5.5 hours on 3G&
up to 8 hours on Wifi
Audio Playback up to 30 hours
Video Playback up to 8 hours
Product Image
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