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jimmysofat6864

macrumors member
Original poster
Nov 7, 2018
88
19
I have a 13 MBP 2015 here that is having crazy battery drain issues during sleep. When I close the lid, the battery drains like crazy about 20% in one day. I tried everything to fix it from clean installs, to a new battery but nothing worked. But when I turn off bluetooth, it seems to drain at a normal rate about 2% per day. Does anybody else have this issue and is it just limited to the 2015 13 MBP because my 2015 15 MBP doesn't have this issue at all. And is there a way to fix this without having to manually turn off bluetooth every time I want to sleep my computer?
 

MBAir2010

macrumors 604
May 30, 2018
6,975
6,354
there
keep the MacBook pro plugged in
i always kept and keep my 2010 MacBook air plugged in and have a great original batery

just out of curiosity, who installed the battery and what manufacture?
 

jimmysofat6864

macrumors member
Original poster
Nov 7, 2018
88
19
keep the MacBook pro plugged in
i always kept and keep my 2010 MacBook air plugged in and have a great original batery

just out of curiosity, who installed the battery and what manufacture?

It says SMP in coconut battery and it was a third party. But either way nothing seemed to fix it and the health report is good. Keeping it plugged in is what I do now but my 2010 Air was able to last much longer during sleep even with bluetooth on.
 
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Sanpete

macrumors 68040
Nov 17, 2016
3,695
1,665
Utah
Are you using Monterey OS? There have been reports of Bluetooth drain for Monterey, especially in older machines. You've already found the solution: turn off Bluetooth when you want it to sleep.
 

jimmysofat6864

macrumors member
Original poster
Nov 7, 2018
88
19
Are you using Monterey OS? There have been reports of Bluetooth drain for Monterey, especially in older machines. You've already found the solution: turn off Bluetooth when you want it to sleep.

I understand that but even downgrading to Catalina or Big Sur didn’t even fix my issue. Even installing the supposed patch didn’t work at all. Just wanted to see if there were any users in my situation who also installed the patch and still had battery drain.
 

pshufd

macrumors G4
Oct 24, 2013
10,155
14,578
New Hampshire
I am considering going back to mojave at this rate if there are no fixes in Monterey to address this.

My 2014 iMac is on Big Sur and it has the VM leak and a network issue which require a reboot about once a week. I'm pretty sure that these are bugs backported from Monterey as I didn't have these problems before Monterey. That system has 32 GB of RAM so I can manage a slow VM leak. Mojave is far more stable as it's mature and they're not backporting bugs to it.

I ran into the Monterey bug on the 2015 MacBook Pro today where the Apple Thunderbolt to Ethernet adapter isn't seen. It showed right up on the Mojave installation though. Monterey will be stable some day but I'll give it another three months before I upgrade more of my Macs to it.
 
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