2000mA External Backup Battery Case for iPhone 4(S)

April 13, 2012 - PRLog -- Specifications:

Thinnest and lightest backup battery case: 15mm in thickness; only weighs 53.5gm or 1.89 oz.
High quality battery: Long life Li-ion battery cell will last for over 1000 recharges.
High capacity: 2000mAh battery will double your iPhone 4 battery life.
IC Protection Circuit: Prevents short circuit, over charge, over discharge and other failures.
Protection: Made from hard wear-resistant ABS material - protecting your iPhone from collisions and scratches.
Technical Integration: Supports charging (both the battery and the phone simultaneously) and synchronizing with computer through the provided micro USB cable.
Ergonomic design: easy access to all controls and ports.
Built in folding stand: watch movies hands free on the go.
ON/OFF Switch: you can turn the Yoobao battery power on and off so you can keep it on standby until you need it.
LED Lights Power Indicators: 4 small blue LED Lights will let you know how much power you have left in the Yoobao Charger. 25% for each light.
Compatible with: Apple iPhone 4G
3-in-1 Backup Battery + Case + Stand for your iPhone 4. Thinnest (15mm) and most powerful weapon for your dear mobile.

Link:http://www.iphone4pack.com/Apple-iPhone/iPhone-4s-battery...