Anybody looking for a cheap ($25) iPhone 4 Battery Case? Here it is...

Features
Back up battery for iPhone 4
Portable and light weight
High capacity battery
Power switch
Blue LED charging status
Colour: Black
Weight: 65g

Supplied
1 x Backup Battery
1 x USB cable
1 x User Guide
Retail Packaged
iPhone 4 not supplied

Specifications
Dimensions: 125 x 62 x 18mm
Capacity: 1900mAh
I/O Voltage: DC 5V 0.5A
Battery Type: Li Polymer
Standby Time: Up to 360hrs
Talk Time : Up to 12hrs (2G);Up to 5hrs (3G)
Internet Use: Up to 5hrs (3G);
Up to 8hrs (Wi-Fi)
Audio Playback : Up to 30hrs
Video Playback : Up to 8hrs

Click to expand...