2017 MacBook Pro sudden shutdown on battery power

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Level 1

13 points

2017 MacBook Pro sudden shutdown on battery power

My 2017 MacBook Pro has been suddenly shutting down when on battery power. Sometimes it's at 70%, sometimes 30% or anywhere in-between. When I try to turn the computer back on when unplugged, I get the "need to plug in" icons. When it's back on, it usually only stays on for about 30 seconds. Battery status is "good" according to coconutBattery app.

MacOS is up to date.
All software is up to date.

I've tried:

Restarting
Shutting down
Resetting PRAM
Resetting SMC

I've been searching but can't find any more answers. Am I missing anything? Anyone else having this problem recently?

MacBook Pro 13″, macOS 10.12

Posted on Dec 12, 2020 9:02 PM

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Answer 1

Top-ranking reply

kaz-k

Level 9

50,178 points

Dec 12, 2020 9:47 PM in response to KazMogi

Hi,

Try to check your MacBook Pro with Apple Diagnostics if it is caused by hardware related issue.

Use Apple Diagnostics to test your Mac - Apple Support

Apple Diagnostics reference codes - Apple Support

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Answer 2

KazMogi Author

Level 1

13 points

Dec 13, 2020 10:51 AM in response to kaz-k

Thanks, Kaz!

Apple Diagnostics came back with "No Issues found."

Last night I found that I could make the computer crash whenever I would open Safari. A few hours later, the computer wouldn't say on longer than 1 minute no matter what was running. It's still running fine while plugged in though.

I'm going to keep on trying different things until I can take it to the Apple store. I'll report any interesting findings. Maybe it'll help someone else.

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2017 MacBook Pro sudden shutdown on battery power

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