External Battery Case Specially for iPhone 4/4S
(2000 mAh)
Your ideal Business and Entertainment partner
Introducation:
iPhone 4 combines rechargeable external battery power concealed inside a protective form-fitting case.it offers the full protection of a hard-shell case with an ultra thin, light weight, low-profile design and shock resistant band.
Usage time : 270 hours of standby time
10 hours of 2G talk time , 4.5 hours of 3G talk time
8 hours of wifi, 4.5 hours of 3G time
27 hours of audio playback, 8 hours of video playback
Four indicators show the current capacity
Available in 8 Colour Choices:
White/Black/Green /Blue/Red /Pink/Purple/Yellow/Orange
Specification
Device Type: Lithium polymer
Model No. : SMI-T4
Capacity: 2000mAh
Self-charging time : 3-4 hours
Weight: 44g
Volume: 61.7*54*13.2mm
Input: 5V---1000mA; Output: 5V—1000mA (MAX)
OEM service acceptable