Dear Sir: We also have other items:

lifeproof 1:1
other OEM products .
You can contact me by email: ukimtarsales@gmail.com   or skype: ukimtartech

Features:

100% brand new, high quality battery.
iPhone Battery Case 4/4S external loading
full protection coverage of the body for your iPhone 4/4s
works both as an extension of battery for the iPhone itself and a protective case
Protection and powerful
Full coverage for iPhone 4/4S
Lightweight and thin.
Non-slip comfortable grip
Automatic function tests
Capacity: 2000 mAh
Output voltage: 5V DC
Output current: 500mA max
Fully charged in 3 hours
Four LEDs indicate the remaining power level of the case (each light represents 25% power remaining)

Elegant, low profile design, rechargeable up to 500 times.

Specification:

    Fully charged in 3 Hours
    Battery type: Lithium-ion polymer battery (Way better than Lithium-ion batteries).
    Output voltage: DC 5V
    Output current: 2000 mh
    Output: 5V
    OEM Version/Retail Gift Box Package, iPhone4/4s USB Cable included.
    Please make sure to charge your battery case for at least 8 Hours before first use to achieve maximum performance
    Compatible: For iPhone 4/4s

Package Includes:
 
1x iPhone 4 / 4S battery case
1x USB cable
User Manual