BLUESTORM Battery case for iPhones Model: 1800ma     £20.50 Available

Apple iPhone 3G, 3GS black case with Backup battery changer. 

This portable backup battery is the answer to long days when your not able to reach a mains charger. It will recharge and keep your iPhone 3G 3GS battery topped up whenever you need it. It's easy to use, just switch on or off as you need it. The 1800mAh Li Polymer battery adds extra back-up strength to the battery thats is built-in your Apple iPhone. It provides up to 28 hours of music playback, 8 hours of video, 12 hours of talk time, 7 hours of internet browsing or 360 hours standby between charges. Also adds furthur protection to your iphone. A must have device for todays iPhone users. 

Features:

• Back up battery for iPhone 3G 3GS
• Portable and light weight
• High capacity battery 
• Power switch
• Blue LED charging status
• Colour: Blue & Black
• Weight: 66.5g

Specification:       

• Dimensions: 113 x 66 x 21mm
• Capacity: 1800mAh
• I/O Voltage: DC 5V 0.5A
• Battery Type: Li Polymer
• Standby Time: Up to 380hrs
• Talk Time : Up to 6hrs (3G);Up to 12hrs (2G)
• Internet Use: Up to 6hrs (3G);
  Up to 7hrs (Wi-Fi)
• Audio Playback : Up to 28hrs 
• Video Playback : Up to 8hrs