macOS Mojave battery drain

Afte having the same issue for the past month, and trying nearly every suggestion recommended in this thread, I think my 2016 MacBook is back to normal now. With just 10.14 I was loosing 30% or 40% each night in sleep mode, and even more than that with just using my MacBook.

I installed 10.14.1, but was still experiencing more battery drain than what should be expected. It wasn’t nearly as bad as what it had been, but it still was not good. So I went ahead and did the Shift+Control+Option+Power and then Command+Option+P+R+Power resets, and yesterday I only lost 2% during 12 hours of sleep and just 7% during normal usage for close to an hour of using Pages. Another 12+hours in sleep and only 3% battery drain.

Just updating anyone interested... this worked for me and my battery is not losing any charge when in sleep mode:

- disabled TCP in sleep mode with this command: sudo pmset -b tcpkeepalive 0.

- changed the hibernation mode with this command: sudo pmset -a hibernatemode 25 (the default is 3).

- disabled unlocking of my MacBook Pro with my iWatch (I read somewhere that was causing issues.).

- disabled transparency in Accessibility.

- turned off Dynamic Desktop.

My battery is back to normal (maybe even better) operation.

bigorno wrote:

The trick did the job : with 10.14.0 I had this issue too. 100% of my batterie drained in about 15 hours (in sleeping mode) ! But I put the hibernatemode to 25 instead of 3 and this night I've lost only 1% (44 to 43%) in about 8 hours.

Today I've done the update to 10.14.1. And tcpkeepalive is back to its original value (1). I'll see tomorrow is the bug is still existing or not.

hibernatemode 25

powernap 1

gpuswitch 2

hibernatefile /var/vm/sleepimage

highstandbythreshold 50

displaysleep 45

womp 1

networkoversleep 0

sleep 0 (sleep prevented by sharingd, backupd)

tcpkeepalive 1

halfdim 1

But can someone tell me the differences between hibernate mode 3 or 25 ? I've read the man page but it's not very clear to me.

Thank you very much.

The man page ("man pmset" in Terminal) says:

SAFE SLEEP ARGUMENTS

hibernatemode supports values of 0, 3, or 25. Whether or not a hibernation image gets written is also dependent on the values of standby

and autopoweroff

For example, on desktops that support standby a hibernation image will be written after the specified standbydelay time. To disable

hibernation images completely, ensure hibernatemode standby and autopoweroff are all set to 0.

hibernatemode = 0 by default on desktops. The system will not back memory up to persistent storage. The system must wake from the con-

tents of memory; the system will lose context on power loss. This is, historically, plain old sleep.

hibernatemode = 3 by default on portables. The system will store a copy of memory to persistent storage (the disk), and will power memory

during sleep. The system will wake from memory, unless a power loss forces it to restore from hibernate image.

hibernatemode = 25 is only settable via pmset. The system will store a copy of memory to persistent storage (the disk), and will remove

power to memory. The system will restore from disk image. If you want "hibernation" - slower sleeps, slower wakes, and better battery

life, you should use this setting.

Please note that hibernatefile may only point to a file located on the root volume.

For those experiencing this issue DISABLE “Find My Mac” under iCloud settings in system preferences. This solved my issue 100% on my brand new 13” 2018 MacBook Pro w/TouchBar.

I tried everying; new reload with restoring data, reload without restoring data, macOS downgrade to High Sierra, Apple Genius Bar, finally a total computer return and replacement new purchase. ALL had the same issue. Disabled “Find My Mac” issue resolved! I’ve sent in a bug report with Apple as obviously I’m not alone. Hope this helps others.

I have a MBA mid 2013. I had the same issues with my battery,

However a previous post has worked for me :

UPDATE:

went into Macbook's Terminal and asked it to see If there was a reason it's clearly not going to sleep i.e "wake reason" and it shows my MacBook has been waking up every 10mins for "APRT (Network)". This is usually linked to bluetooth, notifications etc and wifi, but I have all of these things off and the wifi should automatically be off when MacBook is asleep as its on DND.

Rang Apple Support (again!) and got asked a thousand questions, even though I already told them everything has been tried and why can't they tell me what "APRT (Network)" is - they couldn't.

Anyways, long story short the data has now been sent to Apple engineers - even though the guy on the phone said Apple are aware of this occurring issue, but he hadn't dealt with it personally.

I don't think anyone would be as peeved if he had said "YES! Mojave has an issue with battery drain and we're working to fix it" but clearly they would rather run a customer round in circles instead of just fixing the **** bug that is clearly stopping the computer from sleeping by connecting to the internet for random stuff.

If you wish to see if you're having the same issue through Terminal:

1. Search for "Terminal" in Spotlight

2. Copy and paste log show --style syslog | fgrep "Wake reason" and hit "Enter"

You should see if your MacBook has actually been sleeping during the hours the lid has been closed. If anyone is getting the same issue, my advise is to bombard apple with this information and clearly they can't be bothered to just accept they've messed up!

Hi,

Try these commands:-

sudo pmset -b tcpkeepalive 0

sudo pmset -b hibernatemode 25

I have an early 2015 Mac Book Pro Retina 13". Before 10.14.1, I had no battery problems. Immediately after the update to 10.14.1, I found that my Mac was dead in the morning (sleeping all night). The second time, I'd left it in it bag, and it was roasting.

I had a bit of a search, found this forum, and stumbled across a post suggesting the two 'pmset' command (above). The post also suggested switching off dynamic desktop (I didn't bother doing that).

After setting the tcpkeepalive to zero, and the hibernatemode to 25, I didn't have any problems.

I didn't like the idea of losing my 'Find my Mac' functionality (tcpkeepalive 0 disables Find My Mac), so I switched it back on earlier today. I just got my Mac out of its bag, and it was roasting again, and it had crashed (it was asleep when I put it in its bag). This is definitely a bug in Mojave 10.14.1. I've got AppleCare, so I;m going to take it up with them.

However, in the meantime, the two pmset settings seem to stop this issue occuring. I hope this works for you.

Regards,

Tim.

Hello, for everyone with this problem, i think i found a solution, after researching about pmset settings and comparing all settings between a high sierra macbook Air and my new macbook with no luck, also disabling find my mac and the problem persisted, then i disabled Automatically keep my mac up to date in Software Update prefpane and with this i reduced a lot my battery draining issue, however it drains about 5% each few hours, then i found in same prefpane but in advanced options, that another option was checked even when i disabled the Automatic updates, so i entered in advanced option of Software Update prefpane, and disabled all options. Now my macbook retains full charge as usual even more eficiently than before update.

I Hope this helps you too.

Regards

If any of you are resisting doing a Clean Install...just do it!

I had serious battery drain issues with my MBP- 13", 2015, after Mojave upgrade.

My battery life reduced from 6 hours of battery, to just 2 hours.

I did a PRAM & SMC reset which improved it from 2 hours to 3 - 4 hours.

I finally succumbed and did a clean install. After 2 days of callibrating my battery, I now get upto 8 or even 10 hours of battery life! So go ahead and do that clean install to resolve this annoying bug once and for all.

Same issue for me : after upgrading to Mojave, autonomy decreased from about 10 hours to 3 !

I tried to reset nvram, smc, ... but it didn't help

Fix : I saw in activity monitor "Activrelay_ka" using a lot of processor. Uninstalling Promethean Activdriver increased autonomy from 3 to more than 9 hours. This driver for interactive board didn't drain battery before Mojave...

Hope it will help some of you.

Spoke to Apple, I was skeptical when told it may take 24 to 48 hours for the OS to reorganize the file structure. Also suggested resetting the battery/memory by powering your Mac off then hold the left shift, control, option and power buttons down, then release the first three at the same time. I did that, not sure it contributed to the solution but on day three of the upgrade my Mac has rerturned to normal all on its own.

Give it a few days, things should be just fine. I’m fact this morning I opened to a 100% battery life after a 10hr sleep mode.

Cheers

Note that immediately after installing an OS upgrade Spotlight needs to reindex the universe, which takes a lot of CPU time and power.

Once those indices are rebuilt, power usage should drop back to normal.

I'm happy to declare my computer is back to normal after 3-5 days after the update. While it did drain the battery unusually faster while on sleep right after the update, I simply left it plugged-in for two days (while on sleep), and now it won't drain the battery anymore. I left it unplugged from friday to sunday (while sleeping) and it lost just 5% of battery. Yes, indeed it seems some indexing occurs for the APFS (that's different from spotlight) after the update while on sleep, and that consumed a lot of power. But when it's done, it's back to normal. I'll call it solved here. Cheers!

I fixed this on MBP and MBA, on both the drain was caused by running in background MS Word and CleanMyDrive 2, after shoot down this 2 apps no more drain, over 12h os sleep MBA took 2% and MBP took 0%

Meshua.n wrote:

(...) likely to be back to normal. Will keep an eye on over next days...

Cheers, Meshua.n

Hi there,

Just a short-term update after following dineckos suggestions (https://discussions.apple.com/thread/8553128?answerId=33954586022#33954586022):

dinecko wrote:

Now change the settings by these commands, one by one:

sudo pmset -a hibernatemode 25

sudo pmset -a standby 1

sudo pmset -a standbydelaylow 60

sudo pmset -a standbydelayhigh 60

Results for my MacBook 12":

• 12:01 a.m (midnight): 100% Charge, then unplugged with lid closed
• 7 a.m. : still 100% carge - no drain over night :-)

Hope that experience helps someone - Kudos to dinecko! :-)

Cheers, Meshua.n