This Charging Dock Offers A Home To Dock And Charge 2 Xbox 360 Controllers. Two Rechargeable Battery Packs Are Included To Extend Your Game Play And Power Up Those Endless Nights Of Nonstop Gaming. The Charging Dock Is Equipped With Separate Smart Battery Status Charge Bars For Each Controller. The Led Status Lights Let You Know When Each Battery Is Partially Or Fully Charged. It Includes A 110V Ac Adapter To Charge Your Controllers Without Drawing Power From The Xbox 360. Xbox 360 Controllers Sold Separately.