Specifications:
Product name: iPhone leather case battery
Weight:90g
Capacity:1500mah
Cell type:Li-Polymer battery
Dimension:135*70*21(mm)
Output voltage:5V
output current:500mA
Cycle life:500 times
Additional hours provide FOR iphone 3G&3Gs
240hours standby time
5hours on 3G talk time
4.5Hours on 3G web browsing
5 hours on Wi-fi web browsing
17 hours Audio playback
5 hours video playback
5 hours read/write emails
3 hours cameplay

More safe with power wsitch
Leather case for protective
USB micro charge
More comfortable grip