This is a replacement battery for the MacBook 13" A1331. This is for the MacBook 13" Polycarbonate with model number A1342. Apple has two different revisions for the screws used to secure the battery. Some models will need the tri-wing screwdriver while others will need an ESD security screwdriver. Check inside your machine which you will need before ordering. Batteries in Grade B condition may have broken plastic on the screw mounts that does not effect the performance of the battery.
Starting at: $46.71