Power source not changing when removing AC while charging is idle

Hi everyone,


I think I might have found a bug.


When connected to AC and charging is idle, the power source is not changing when I remove the AC connector. So it appears the system still thinks AC is connected (the battery icon shows that AC is connected, even after it was removed).


I already did a PRAM reset, which didn't help.


Here's the output of pmset -g pslog


AC plugged in


2023-11-26 11:58:16 +0100 IOPSNotificationCreateRunLoopSource

Now drawing from 'AC Power'

 -InternalBattery-0 (id=8192099)	80%; AC attached; not charging present: true



AC connector removed


2023-11-26 11:58:24 +0100 com.apple.system.powersources


AC connector plugged back in


2023-11-26 11:58:36 +0100 com.apple.system.powersources.timeremaining

2023-11-26 11:58:36 +0100 IOPSNotificationCreateRunLoopSource

 -InternalBattery-0 (id=8192099)	80%; AC attached; not charging present: true


AC connector stays attached


2023-11-26 11:58:36 +0100 com.apple.system.powersources

2023-11-26 11:58:40 +0100 com.apple.system.powersources

2023-11-26 11:58:48 +0100 com.apple.system.powersources

2023-11-26 11:59:10 +0100 com.apple.system.powersources

2023-11-26 11:59:13 +0100 com.apple.system.powersources


Output of pmset -g ps while AC is removed



Now drawing from 'AC Power'

 -InternalBattery-0 (id=8192099)	80%; AC attached; not charging present: true


Any thoughts?


Thank you!

MacBook Pro 15″

Posted on Nov 26, 2023 3:09 AM

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Power source not changing when removing AC while charging is idle

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