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BigSur 11.2.2 battery drain during sleep

I've been facing the issue of having the battery drained to 0% from 100% while the MacBook is in sleep mode. It seems like the battery was drained within 3 hours when the Macbook is in clamshell mode. Does anyone have any solution to this?

Posted on Mar 15, 2021 9:30 AM

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Posted on Mar 18, 2021 9:56 AM

I'm seeing the same problem with my new MacBook Air M1. I would like to keep my Safari tabs open all the time. Guess I'll have to leave the power cable connected to keep the battery charged. Too bad Safari in Big Sur doesn't have the Top Sites feature anymore.

6 replies

Mar 15, 2021 2:01 PM in response to darrentan0512

What Apps are left Open / Active during this Sleep Mode? To minimize battery drain - suggest closing all Apps. Aside from this - are the Runaway Processes and or Apps? Open Activity Monitor >> View >> View All Processes and check for CPU usage and also check for Memory Usage. You might be able to identify what is consuming the power / battery before Sleep Mode in enabled.

BigSur 11.2.2 battery drain during sleep

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