Specifitions:

1. 100% Brand New

2. 4800mAh capacity

3. Output Voltage: DC 2.7V

4. Preeminent performance Ni-MH rechargeable battery

5. Compatible with XBOX 360 wireless controller.

6. It can work about 10 hours with fully charged

7. Charge your XBOX 360 controller directly with the XBOX 360 USB cable

8. Overcharge protection

9. Color: White