Charge two Xbox 360 controllers simultaneously in just 2.5 hours with Energizer's Power & Play Charging System. Fully compatible with Microsoft's Xbox 360 rechargeable battery (not included)! The charge base offers a sleek and unique design that is impressive and functional. The station lets you know when it's charging via the connection by appearing in red light (charging) and green (fully charged). It is powered the by the included UL-approved AC power cord. Keep those controllers charged and get back in the game with fully licensed Energizer Power & Play Charging System for the Xbox 360 by PDP. Charge system may not be compatible with non-Microsoft or non-Energizer rechargeable batteries.