Nyko Power Pak Nickel-Metal Hydride (NiMH) 1800mAh rechargeable battery

Power Pak (Black) Keep your Wireless Controller for Xbox 360 charged and ready for action with the Power Pak 360. The Power Pak 360 is a rechargeable NiMH battery designed exclusively for the Wireless Controller for Xbox 360 and the rigorous demands of gamers. The high capacity 1800mAh provides up to 25 hours of playtime on a single charge, and is fully compatible with most all recharging methods including all charging solutions from Microsoft and Nyko including the unique Charge Base 360. Whether by cable, dock or cradle, the Power Pak is designed to be versatile enough to work with your existing charging solution. The Power Pak is the ideal solution for powering your Wireless Controller, while also saving money on expensive AA batteries. The Power Pak 360 is also available in White.