A1321 battery For Apple MacBook Pro Unibody 15"Series A1321 MB985LL/A MB986LL/A 661-5211 661-5476 A1286 (2009 Version) MB985*/A MC118 MB986X/A 6600MAH

hey it's Garrett laptop battery Express today we're going to be replacing a battery on a 17 inch macbook pro to start flip the computer over and remove the ten screws on the bottom of the screws and blue are longer and need to be held separately take note that the screws are screwed in on a slight angle once all the screws have been removed look the cover off today we'll be using a tri wing screwdriver if that is included with your battery purchase use that screwdriver to remove two three tri wing screws holding in the battery the batter is almost ready to come out next you have to unplug it use the pull tab and pull the plug straight back now there's a pull tab on the battery and lift it straight up the new battery should fit in the same place replace the three tri wing screws and their respective holes next you have to plug the battery back into the computer gently press it in and mak