The iPod 6th 7th Gen Classic Replacement Battery 616-0229 is a gray 650mAh battery specifically designed for Apple iPod Classic models. This replacement battery is compatible with the 80GB and 120GB versions of the iPod Classic, as well as the 6th and 7th generation models. Made in China, this high-quality battery ensures extended playback time for your portable audio device, allowing you to enjoy your music collection uninterrupted.