iPod EXTENDED batteryPhoto, 4th Gen and U2 Apple iPods replacement - EXTENDED Replaces Apple Batteries: PHOTO, 4th Gen and U2 616-0183 cs-ipod4HL CA0145 M9585* M9585*/A M9585B/A M9585CH/A M9585FE/A M9585J/A M9585KH/A M9586*/A M9585LL/A M9585J/A M9585X/A M9585ZR/A M9585ZV/A M9586* M9586B/A M9586CH/A M9586FE/A Battery Type: Li-on Battery Voltage: 3.70 V Battery Capacity: 1200mAh (Higher rating than the original battery to give more fuel in the tank) Compatable with original chargers and OEM equipment. Fits iPod PHOTO, 4th Gen and U2: EXTENDED Comes complete with tools to assist fitting