Quote from the article:

'Portables with built-in batteries

Current Apple portable computer batteries are pre-calibrated and do not require the calibration procedure outlined in this article. These computers use batteries that should be replaced only by an Apple Authorized Service Provider.

As time passes and you continue to use your MacBook Pro or MacBook Air, its battery performance is bound to get affected and go down. It is an unavoidable truth. But what you can do is appropriately calibrate and uphold your battery to improve the overall performance and use the battery as long as possible before replacing it with the new one. In order to get accurate readings, you need to calibrate your Mac's battery on a regular basis depending on how often you use it. Developing this habit ensures long battery life for your Mac and here are the steps how to calibrate the battery on your MacBook.

MacBook

MacBook (13-inch, Late 2009) and later

MacBook Air

MacBook Air, all versions

MacBook Pro

MacBook Pro (Retina, 13-inch, Late 2012)

Mac Battery Calibration

MacBook Pro (Retina, Mid 2012)

MacBook Pro (13-inch, Mid 2009) and later

MacBook Pro (15-inch, Mid 2009) and later

Battery For Macbook Pro

MacBook Pro (17-inch, Early 2009) and later'

Download Battery Calibration For Macbook Pro 15

Dec 23, 2012 7:39 PM