What we recommend you is a rechargeable battery pack which is compatible with Xbox 360. This portable battery is with high capacity， which must meet your need that it could support a long time in use. Made of high-quality plastic material and by meticulous producing， this battery is up to standard that you could use it without worries. Also， it utilizes thermal protectors and circuit breakers to ensure the maximum efficiency， reliability and safety of the battery. What&acute;s more， it features rechargeable function. You could charge it through an USB cable if it is running out of power， which is economical and friendly to the environment for its cyclic use. This rechargeable battery is a good device for you when you are at home， working or even traveling.                                    Features            Charge your Xbox 360 controller while you are playing gamesProtect your Xbox 360 controller with secure circuit settings plus overcharge protectionWith over-charge protection and secure circuitry， protect your Xbox controllerWith controller charger station， conveniently charge Xbox controllerSpecially designed to provide power for the controller of XboxSave money and protect the environment by using the rechargeable batteryPower LED indicator                                                            Specifications            Dimensions    (7.8 x 6.8 x 9.8) cm / (3.07 x 2.68 x 3.85) " (L x H x Dia)    <br>Weight    8.85 oz / 251 g    <br>Color    White    <br>Material    Plastic    <br>Input Voltage    110-240V AC    <br>Input Frequency    50 / 60 Hz    <br>Rated Power    6W    <br>Output Voltage    DC 2.8V    <br>Compatible with    for XBOX 360    <br>                                                            Package Includes            1 x Charger<br>2 x Battery (4800mAh)<br>1 x Cable<br>