Capacity : 1500mAh working temperature-1040storage and transport Temperature-2050

Talk time:

Up to additional 5 hours( 3G Network)

Up to additional 10 hours( 2G Network)

Internet use:

Up to additional 4.5 hours( 3G) 

Up to additional 7 hours( Wi-Fi) 

Standby time: up to additional 240 hours

Audio Playback up: up to additional 28 hours

Video playback up: up to 7 hours  Parameters:

Input: DC5.0V, 500mA

Output: DC5V, 500mA

Cell: Li-polymer 1500mAh

Size:120x62x 17.6 mm

Weight:65g

Charge time: 5 hours

Applications: iphone 4G

With sync function 

Backup Battery For iPhone 4