How to: Calibrate your MacBook, MacBook Air, MacBook Pro battery

Posted on March 19th, 2009 by admin

Proper care and feeding of your Apple portable’s battery can help you achieve longer run time and extend battery life. Here’s a quick tutorial on calibrating your MacBook (Pro, Air)’s battery.

You should calibrate your portable’s battery about once a month or so, and the methodology for getting the job is quite simple:

1. Fully charge then allow the battery to fully drain (that means the even reserve power is completely used, too). Followed by a full, uninterrupted charge (ie don’t use your portable during this time).
— See also: Knowledge Base Article HT1490

2. Reset your MacBook’s System Management Controller (SMC)

“Over time, the settings in the System Management Controller may become unusable, which can result in operational anomalies with the computer. Examples include not turning on, not waking from sleep, not charging the battery, or not recognizing the AC Adapter, among others”—Knowledge Base Article 1411

See also: How to: Get more life from your MacBook’s battery

There are directions for resetting the SMC for specific MacBook, MacBook Air and MacBook Pro (directions for older models are available, too) models in this KB Article 1411.

That said, neither calibrating your battery nor resetting the SMC are particularly challenging, but performing these task regularly and methodically can greatly extend the life of the Apple’s portable’s battery.


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5 Responses to “How to: Calibrate your MacBook, MacBook Air, MacBook Pro battery”

  1. Posts about Apple Macbooks as of March 19, 2009, on March 19th, 2009 at 2:54 pm Said:

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