An emergency external battery is to be your friendly backupThere is no doubt that many iPhone owners will face the problem that the power of their batteries. Many of them may feel confused what should they do when their batteries run out suddenly? Now， we have a piece of good news for you. This kind of external backup battery charger can bring a lot of conveniences to your life. Just insert this battery into iPhone， and then you can work and play games without any worries. Made of high quality material， you can use it for a long time. Take it with you and make your phone enjoy a longer standby time.                                    Features            Easy to charge: Connect your iPhone to this power station， and use your data cable to connect this station and the computerThis item can be used as an emergency battery when you are in vehicle， any situation that you can′t charge your PhoneWhen you need to charge this backup battery just using Cable connect it to computerNo more worry about the power ran out outdoor as this is a secondary source for keeping the iPhone to be in multi-taskingAct as an extra battery or power station for Apple iPhone iPod Charge with your usb cable and the power will be stored in the power stationLED indicator when charging                                                            Specifications            Input Voltage    5V / 500mAh    <br>Output Voltage    5V / 400mAh (max)    <br>Capacity    1000mAh    <br>Charger Time    2 hours    <br>Dimension    61 x 52 x 12.5 (mm)    <br>Color    Black    <br>                                                            Package Includes            1 x 1000mAh Rechargeable External Battery for iPhone/iPod Black                                                            Extra Info            Compatibility: iPhone 3G/4/4S， iPod Video， iPod Mini， iPod Photo， iPod nano 2/3/4/5/6， iPod Touch2/3/4， iPod Classic