Specifications: AC Adapter For XBOX 360/XBOX 360 SLIMColor:Black - Input Voltage: AC 100-127V 47-63Hz - Output voltage: DC 135W 10.83 A Size: 17 × 7 × 5.2cm Supplied with USB Cable Features:Never Run out of Battery when you are in the Middle of Games - Battery Can be Charged Through any USB Port - Fits Directly into Conrtroller Battery Compartment - It is Made of High Quality Cells and Utilizes Thermal Protectors and Circuit Breakers to Maximum Efficiency,Reliability and Safety of the Battery - Compatibility:Compatible with: Xbox 360 Wireless Controller - This Adapter replaces any lost or broken AC power adapter for the Xbox 360 Slim systems. The AC Adapter has a LED indicator light to display the power status of the Xbox 360 Slim system, and its auto voltage feature allows the adapter to be used worldwide - Simply Pop the Battery Pack into your Controller and you’ll Never have to Worry about Buying & Replacing AA Batteries ever Again - When the Battery is Running out of Power, you Just need to Simply insert the Chargeable Battery into your Wireless Controller and there will never be a need to Replace the Battery again, to Charge the Battery Pack – – – Simply Connect it to the USB Port on the XBOX 360Charge with Indicator RED=Charging Green=Fully Charged