Description:<br> 100% brand new.<br> Overcharge protection.<br> 4800mah black battery and USB cable.<br> For XBOX 360 convenient carry-on travel<br> Compatible for XBOX360 wireless controlle.<br> It can work about 30 hours with fully charged.<br> Never run out of batteries again during your workout.<br> 4800mah capacity for a longer workout time before recharging.<br> \u00a0<br> Specification:<br> Weiht(Kg):0.06<br> Color: Black \u00a0  Note: Don't throw it into water. Don't throw it into fire. Don't put it beside the high temperature condition.<br> \u00a0<br> Package Included: \u00a0<br> 1 X Black Battery<br> 1 X USB Cable