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Within a span of 2 hours, my Mac went from 100% to 5%. Why?

[Re-Titled by Moderator]

MacBook Pro 13″, macOS 11.5

Posted on Sep 28, 2021 9:10 PM

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Posted on Sep 28, 2021 9:21 PM

Run-away app of some sort, most likely.

Could also be an externally-connected device drawing lots of power.

Maybe a problem with the battery.

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