Within a span of 2 hours, my Mac went from 100% to 5%. Why?
Within a span of 2 hours, my Mac went from 100% to 5%. Why?
[Re-Titled by Moderator]
MacBook Pro 13″, macOS 11.5
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Run-away app of some sort, most likely.
https://www.howtogeek.com/241608/how-to-see-which-applications-are-draining-your-macs-battery/
Could also be an externally-connected device drawing lots of power.
Maybe a problem with the battery.