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asbentos Author

Level 1

21 points

MacBook Pro is draining battery while it's turned off - Battery discharges 30% overnight

I have a 2021 M1 Macbook Pro, Most of the time I used it with the charger, and from time to time I let the mac to run out of battery, maybe about a month or more I realized the battery started to drain faster than it usually does, and a couple of weeks I realize the battery drains even when it's shut down.

When computer is power-off it drains about 30% every 6-9 hours. It seems like the computer never has turned off and is still working (and discharging the battery). It occurs when either the computer is sleeping or powered-off.

The battery has a normal condition of 92%. I have tried things such: running the apple diagnostic test (no problems found), disabling the background apps, turning off all the improved battery functions, activating the saving energy functions, I turned off Bluetooth and wifi before turning off the Mac, disabled non-native software such Microsoft Office, I even reinstall the latest macOS operating system (Sonoma 14.0) Nothing is working, the problem persists.

Did anyone had the same problem? If yes, Did you solve it? How did you do it?

Posted on Nov 3, 2023 2:42 AM

Top-ranking reply

slakin

Level 1

8 points

Posted on May 29, 2024 2:02 AM

I have the same issue. Battery totally discharges when switched off. Thought it was the battery even though it said it was good. Changed it anyway costing me £140 and its still the same.

Something is clearly not right with the OS to cause this.

Must be something running in the background draining the battery.

Any suggestions would be very welcome.

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63 replies

Oct 18, 2024 8:02 AM in response to Geofo17

<< Conclusion: draining the batteries is a function introduced by Apple exactly with this purpose: to drain batteries until the computer is dead. >>

Nonsense.

Conspiracy theories are more fun, but Apple has no interest in draining your battery. As I stated very early in this and similar discussions, you can completely defeat that as an issue by plugging it in at night.

This is FAR, FAR more likely to be something introduced by sloppiness or oversight than by malice.

Oct 27, 2024 9:04 AM in response to asbentos

Yeah, I constantly go to turn my MacBook Pro on and find out the battery is completely dead. I make sure I actually select the shutdown option and wait until it's off before closing the top but yet every time I go to use it the battery is completely drained and I have to put it back on the charger before I can.