Enjoy extra convenience and plenty of power. Designed to work exclusively with the NYKO Charge Station, this kit includes an NiMH battery pack that provides up to 25 hours of gameplay after charging for just two hours. Now you can have great gaming marathons without worrying about annoying power interruptions. In addition to a helpful battery pack, this kit also includes a grip cover that sports a texturized surface for excellent grip. Get powered up and ready to play with this convenient kit that is a must-have for serious gaming enjoyment.