Simon Willison’s Weblog

27th July 2008 - Link Blog

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

Recent articles

Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026

This is a link post by Simon Willison, posted on 27th July 2008.

battery 2 capacity 1 corstencurdt 1 macbook 3 macbookpro 3 power 3

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