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Simon Willison’s Weblog

Battery Statistics. Run “ioreg -w0 -l | grep Capacity” on a MacBook or MacBook Pro to find out the DesignCapacity (original) and MaxCapacity (current) of your laptop’s battery.

Posted 27th July 2008 at 11:05 am

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3 comments

  1. coconut battery puts a gui round this. Or at least, I assume it does. It offers comparable numbers, ad is prettier.

    Tom Insam - 27th July 2008 12:06 - #

  2. Also works for iBook and same info as About this Mac > More Info > Power if you don't want the full coconut but still fear the shell.

    Tom Coady - 27th July 2008 15:25 - #

  3. This info is also visible in the Power section of System Profiler.

    Wilson Miner - 27th July 2008 17:56 - #

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