ykt28403 Said:
"is plugging my MacBook Pro m2 all the time saves the battery: So, with an M2 MacBook Pro 2023, it's actually better for the battery to leave it plugged in all the time? Otherwise, it'll go through battery cycles?”
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About Battery Duty Cycles:
The battery will keep going through cycle counts (officially called duty cycles), even when plugged in. I leave mine plugged in while using it, and unplug it while I’m not using it. I’ve had my computer for 11 years and have never had any issue, whatsoever with the battery.
If you think about phone batteries, every one lets in their pocket(typically) and then charges it when they get the time home. So, that is why phone batteries don’t last as long —they are going through many more duty counts. As a side note, know that there is no way to know when, nor why, then Battery Health percentage degraded.
Disclaimer: I’m not a battery expert, but I’ve never had problems with my method of charging my Macs