A wonder to behold: over 3x the capacity of the original battery. Before you hop off to the wonderful world of installing this, please note the following: - This cannot fit in your regular iPod Video or Classic, it will only fit if you are doing an iFlash/SD Conversion. - Experience is not needed, but recommended for any MP3 Modification. - This is not a universal part, it will only fit in a THIN Case with an iFlash Quad, Solo, or a Generic Dual Adapter. Compatible with: -iPod Video (5, 5.5) 30GB 5th Generation Thin Models -iPod Classic (6, 7) 6th Gen Thin, and 7th Gen Thin 80GB 120GB 160GB