The battery in these MacBook and MacBook Pro models should only be replaced by an Apple Authorized Service Provider.  Please do not attempt to replace the battery in your Apple portable computer yourself if it is on this list: MacBook Pro MacBook Pro (13-inch, Mid 2009) MacBook Pro (15-inch, Mid 2009) MacBook Pro (15-inch, 2.53GHz, Mid 2009) MacBook Pro (17-inch, Mid 2009) MacBook Pro (17-inch, Early 2009) MacBook   MacBook (13-inch, Late 2009) Note: For assistance with MacBook and MacBook Pro computers that have batteries you can remove yourself, refer to MacBook: How to remove or install the battery or MacBook Pro: How to remove or install the battery.