Features:
Matching iPhone 4/4S style design. Thin and Cool.
Capacity: 1450mAh(Li-Po) built-in battery, which nearly doubles the battery life time for your iPhone 4/4S;
Cut outs for all the iPhone 4/4S features, use your iphone without removing it from the case.
Strong & durable engineering material protect your iphone 4/4S from bumps & scratching..
Protective IC circuit efficiently avoid short-circuit, over-charged and malfunction even under extreme conditions.
Changeable Frames of different colors, dress up your iPhone on every single day.

Notes:
When the iPhone battery is fully drained in your Battery Case, the iPhone charging icon will revert to its normal usage.
The battery case includes a USB cable. Use the provided USB cable to charge your battery case.

Charging your Battery Case and iPhone 4/4S:
Connect your battery case (iPhone already installed) to the USB power cable
Connect the USB power cable to any USB power source such as computer to start charging.
Charge until the LED indicators read full.

Charging your iPhone 4/4S with Battery Case:
Press the power button (about 3s) to charge your iPhone in condition of no external USB power sources
Press again the power button (about 3s) to turn off the battery case when iPhone is fully charged, which can significantly save the capacity of built-in battery so as to charge the iPhone next time.

Package Contents Included
Battery Case 、USB power cable 、User Manual

Warning:
1.To extend storage, please fully charge Battery Case before first use.
2.Be cautious of excessive drops, abrasions or other impacts to Battery Case. Please stop using immediately if any abnormal phenomenon occurred.
3.Do not expose Battery Case to wet or damp conditions, please keep it dry.
4.Do not use near heat emitting appliances.
5.You are suggested to use included USB cable to charge Battery Case, others might cause compatibility problem.
6.Do not attempt to replace any spare parts of Battery Case
7.It is normal phenomenon that Battery Case gets a little warm when charging due to high output.
8.Never dispose of the Battery Case in dustbin, please bring used batteries to your local battery recycling center.
9.Do not connect the Battery Case to iPhone 4 if there has been occasions of prolonged non use.

We provide OEM/ODM services,please contact us sales@okqi.net