Backup battery for Iphone 4S

Backup battery for Iphone 4S External battery for Iphone 4S(Hot sell) External charger battery for Iphone 4S&3GS

Portable Charger Battery for iPhone 4S&4&3G&3GS ,Mobile phone(Such as Blackberry,Nokia,Samsung
Motorola ,Lg,Song Ericsson ,mp3 and etc )
Portable Charger Battery adds plenty hours of play time to
your iPod device(s),as well as prolongs the life of other
Portable devices wherever you go .
Description:
1:Ideal for long flights, outdoor activities ,or anything your devices
might run out of power !
2:High capacity li-ion battery cell (2800 mAh ) increases devices
usage time .
3:USB power out for charging any device that powers from a USB
socket such as iPod , iPhone ,Cell phone and
MP3 player .
4:Compact size , unique streamlined design , high wear
5:Standard USB ports and ON/OFF button .
6:Recharge from DC power Supply (included )conveniently.
7:Built-in battery tester button with battery level LED indicator .
8:Power On /Off button to save battery when not in use .
Compatible with:
iphone 4S,iPhone 3G/3GS, ,Cell phone , and MP3 with USB
charging capability or any products that can be charged with USB ports.
Specifications :
Capacity :2800mAh
Input :5V/800 MA
Output : 5V/500 MA
Accessories:
1 x DC Female to MOTORORA adapter
1 x DC Female to SONY Ericsson adapter
1 x DC Female to LG adapter
1 x DC Female to Apple Iphone adapter
1 x DC Female to Blackberry adapter		Bitmap
1 x DC Female to Samsung adapter
1 x DC Female to Nokia adapter
1 x USB to DC male cable

Backup battery for Iphone 4S