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Battery life dropped considerably on Mountain Lion.

521026 Views 3,396 Replies Latest reply: Oct 28, 2013 5:38 AM by CT RSS Branched to a new discussion.
  • King_Harvest Level 1 Level 1 (0 points)

    Just wanted to add my voice to the masses. Same issues happening here on my late 2008 13" MB (but purchased summer 2009): severely reduced battery, and unusually frequent full OS freezes. My current battery isn't the original thanks to AppleCare, but I was getting a solid 4hrs or maybe a little less on a full charge, and now it's barely 2hrs. Recently was able to get a full checkup last April/May before my warranty finally rode off into the sunset, so I know it's not a preexisting issue with my MB. To be honest I'm really glad that I bothered to Google this because otherwise I would've thought I was going crazy.

     

    I know this is a whole different topic to get into but has anyone else noticed that Flash seems to be crashing a lot now too? Maybe this is just me (or a result of me using Chrome as my primary browser), but it's a strange thing to notice given Apple's attitude towards it...

  • Andreas Lindahl Level 1 Level 1 (5 points)

    I'm having the same problem. I have a new MackBook Pro Retina. Fully charged battery, and it says "4:17 remaining". Not OK!

  • Mosennsteau Level 1 Level 1 (0 points)

    I am also seeing what I think are higher temps, along with the shorter battery life.

    When I opened my MBPr up this morning after putting it to sleep last night(not plugged in) the CPU/GPU(diode) temps were all in the upper 90'sF the house was 75F.  It seems like something is going on when the unit is offline so to speak, Powernap is disabled.

    About 30 min of video puts the GPU and other temps well above 100F with the GPU(diode) being the highest at 160F which seems really hot but being new to Mac I have not yet found (other that ambient operating temp under specs) a good listing for internal temp acceptable ranges.  I have seen a few comments like "The unit will shut its self down if it gets too hot."  Not the best MO for electronics last I checked.

    Disclaimer this is my 1st mac, but I do love it, just hope it is not damaged by any of this.

  • sf_49ers Level 1 Level 1 (0 points)

    I would also like to add that the battery life of my mid-2010 macbook pro 13 inch has decreased by about 50% immediately after upgrading to Lion to Mountain Lion. On Lion, I was easily able to attain 5 hours of battery life and now on Mountain Lion I get barely 2.5 hours. I have updated my apps to newest version, turned off notification center and still no signs of improvement. I spoke with an apple representative on the phone today and was emailed a link to the article: http://support.apple.com/kb/HT1490?viewlocale=en_US

    I followed the steps for battery calibration for macbook pro but it still did not improve my battery performance. I think my battery is still in pretty good shape as the power system report states full charge capacity (mAh): 4928 and battery condition: normal.

    On the phone, I asked the "senior advisor" if he could install something on my computer that would track its performance in order to better understand the issue, but he said "he unfortunately did not have access to that program" and that I should take it to the apple store. Does anybody know if apple is taking any steps about this issue?

  • rwodaski Level 1 Level 1 (0 points)

    When I took my rMBPro in to the Apple store, I showed them my activity monitor, with a bash script and notifyd both constantly using 10-12% of the CPU. The keyboard was also pretty hot.

     

    I did a kill on notifyd, but it started itself right back up (not unexpected). I did a kill on the bash script, and that really quieted things down. The script was running on my user account, with 18 ports and never less than 12% of CPU.

     

    Within a minute, the keyboard was no longer warm, the fan was no longer running on high, and the air coming out of the left side of the case was no longer distrubingly hot. Also, notifyd was now running at 1-2% CPU.

     

    So killing that bash script (whatever it might have been) has had a dramatic effect on battery usage. Instead of being able to watch the battery % drop before my very eyes, it has been steady at 25% for a while now.

     

    So I'm not sure I solved _the_ problem, but I did do something that at the very least improved things a bit.

  • jethro1138 Level 1 Level 1 (0 points)

    I just booted my old Lion installation off a USB drive. Battery life back to 7+ hours. I'm downgrading back to Lion right now since I'm really worried that Mountain Lion will permanently damage my battery.

     

    Hopefully Apple will fix this in the future.

     

    I still find is suspicious that the battery time remaining option got removed in Mountain Lion along with this problem...

  • Kefrens Level 1 Level 1 (0 points)

    Guys, is it possible that since the ML installation the mac need more time to load the battery ?? It makes no sence...for me.... but I think my 2011 MBP need more time to load....

     

    Someone agree ?

     

    Best regards from germany...

     

    Kefrens

  • salty777 Level 3 Level 3 (540 points)

    jethro1138 wrote:

     

    I just booted my old Lion installation off a USB drive. Battery life back to 7+ hours. I'm downgrading back to Lion right now since I'm really worried that Mountain Lion will permanently damage my battery.

     

    Hopefully Apple will fix this in the future.

     

    I still find is suspicious that the battery time remaining option got removed in Mountain Lion along with this problem...

    The "time remaining" is still there, but only when unplugged.

  • mariowe Level 1 Level 1 (10 points)

    I have also the same problem. I installed my MacBook Pro Early 2011 new with Mountain Lion USB Sticks, that i have made bevor with Lion.

     

    With Lion i can use my MacBook for 5h and now with Mountain Lion the battery life is 0:45 at full carge with only Safari is running!!!!!

     

     

    MacBook Pro early 2011

    CPU: Intel 2.3Ghz Core i7

    RAM: 8 GB 1333Mhz DD3

    HDD: VERTEX 4 256GB SSD

    Graphic Card: AMD Radeon HD 6750M / Intel HD Graphics 3000 512 MB

    Software  OS X 10.8 (12A269)

  • brokenman Level 1 Level 1 (0 points)

    Just adding one more model to the battery drain issue (although I have not experienced the heating problem that others mentioned)...

     

    Mine is a MacBook Pro, 15", 2.2 Ghz Intel Core 2 Duo, (Late 2007 I think?). The interesting thing is this is an older model, which still is supported and under the OS System Requirements-- It has the old style battery, that you could swap out. I just got a new battery last month.

     

    Upon installing Mountain Lion, I heard about the issue and thought I'd test it-- my new battery was draining at about 1% per minute-- or about 1.6 hours per charge-- which would be about 30-40% faster than the normal 2-2.5 (up to 3) hours of battery life I was getting before installing Mountain Lion.

     

    I am going to run off the power brick and an old battery until I hear about an update.

  • RenGR Level 1 Level 1 (0 points)

    TNX for the point. AppleCare senior tech person was really puzzled by the MBA freezing whil in the Recovery HD and attempting to run Disk Utility.

     

    Meanwhile the MBAir4,2 is at an Apple dealer. Previously I restored it to Lion as I'd bought it. The battery offered around 6 hrs running time when charged and when recharging, no storm by madly running fans. After erasing and re-installing Lion no freezes for the first few hours. On the whole I feel a bit disappointed in this MBA 13" thing. Fair amount of 'screen real estate', light weight but I do miss the Ethernet (USB to Ethernet adaptor does not convince) and I wonder about these 'glued' wonders which more or less imply one is doing a lot of cloud computing. I feel more like 'the Woz' who just let it be known that he expects 5 horrible years of cloud computing experiences ahead. - Maybe Mountain Lion suffers from too much novel iCloud-related stuff?!

  • itabosky Level 1 Level 1 (0 points)

    OH!!!. i Just Checked the time remainding  and its says 1h with 60% of Battery!!!!. thats insane!!!!.  i have a MID 2011 MBA..... i`m also scare that mountain lion will damage my battery!!

  • FlxHaas Level 1 Level 1 (0 points)


    salty777 wrote:

     

    The "time remaining" is still there, but only when unplugged.

     

    No it´s not, you have to click on the Battery Symbol. On 10.7 you can display remaining time instead of the % permanently.

     

    My Battery life is fallen from 4836 mAh to 4788 on only 2 Days, Please fix it fast or treat me a new Battery -.-'

  • Lieju Level 1 Level 1 (0 points)

    Same with me, my 2010 MBP is now down to only 2.5h battery life, it used to be aroung 6 hours!!! I hope Apple is working on that, otherwise Im gonna swtich from Apple to another brand, this is ridiculous...

  • Straydan Level 1 Level 1 (0 points)

    OK well here is a combination of changes I'm trying that have certainly cooled my MBP 2011 15" quad core i7 down a LOT, after experiencing ridiculously short battery life after a ML install (105 mins from 100% to 0%).

     

    I can't yet vouch for completely restored battery life other than I'm on 97% after 16 mins so fingers crossed ...

     

    1. Went into System Preferences/Users, picked out current user (admin), found in 'Login Items' several items with yellow warning triangles. Decided they were all non-essential, highlighted each and clicked on the '-' button at the bottom to remove them from the list completely.

    2. Went into OS X Mail preferences, General, changed second item 'Check for messages' to 'Manually'.

    3. Went into Disk Utility and repaired permissions on the main hard drive.

    4. Restarted the Mac to clear the removed Login items.

     

    Not only has this cooled the MBP down considerably, it's also improved the boot-up time (as you'd expect!). I have a sneaky suspicion there were a few incompatible Login items/processes that ML was trying permanently to find or run that weren't running properly, but simply draining processor/graphics and hence power.

     

    One other thing: I'd installed Songbird (media player) many months ago (in Lion), then removed it well before installing ML, yet there were a couple of Login items still trying to run - which simply don't exist on the hard drive at all! I wonder if ML is carrying over some settings at installation that are old hat?

     

    Oh and now it's 27 minutes running, and I'm at 94% ... looking good so far.

     

    Hope this helps someone - or maybe just reveals my inexperience with OS settings as a noob!!

     

    Aidan

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