Ancestors

Written by Stuart Langridge on 2025-01-20 at 18:01

I've got a macbook. I don't use it much, and it sits on the side desk. Yesterday I charged it to 100% (which I had to click on a thing in the menu to allow; it only wanted to go to 80%) and then afterwards unplugged it and closed the lid. Today I've just opened it and it's at 1% charge. Do they not suspend properly or something? Surely it shouldn't use battery power while the lid is closed?

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Toot

Written by Pete Ashton on 2025-01-20 at 19:10

@sil If it's an old battery, and you're leaving it in sleep (not shut down) then this is normal behaviour when the battery can't hold charge anymore. Sleep does use some power and there ain't much in the battery. Shutting down properly will save it. My backup macbook (which is the only one that talks to the scanner) is like this.

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Descendants

Written by Stuart Langridge on 2025-01-20 at 19:13

@pete fair enough. I am gathering from people's comments that the bit which says "battery health: normal" is just straight up not to be trusted and bears no resemblance to reality?

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Written by Pete Ashton on 2025-01-20 at 19:24

@sil TBH I don't trust anything macOS says anymore...

If the macbook is old and battleworn then the battery will be fucked.

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