marxy's musing on technology

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MacBook battery replacement requires calibration

Posted: 21 Feb 2019 10:31 PM PST
http://blog.marxy.org/2019/02/macboo...-requires.html

A few years ago I bought a second hand Mid 2010 MacBook Air 11 as a standby
machine. It came with a dead battery. A cheap Chinese replacement was
purchased via eBay but while the battery life was usable (for reading the
news over breakfast) it would warn that it was going to shut down after
about two hours. Shown here in activity monitor.





I did what they advised in that I charged it up and