Previous 1 18 19 20 21 22 Next 404 Replies Latest reply: Feb 4, 2016 1:40 AM by thetidytiger Go to original post Branched to a new discussion.
  • jasperpants Level 1 (0 points)

    So still no resolution regarding the battery issue?


    It's almost March.  First post was October.


    I don't know about anyone else but my battery is not getting any better and I've seen some very wild swings in performance.


    My battery will bounce around the 80% mark(+/- 5%) with the Service Battery alert coming on and off and then every now and then, like today, it suddenly drops to 55%.  Fingers crossed it comes back up to 80% tomorrow.

  • mark.geronimo Level 1 (0 points)

    same experience for me. i have a MBP early 2011 for 2 1/2 years. service battery suddenly appeared after mavericks update. tried everything from NVRAM and SMC reset and battery calibration but the service battery message still exist. my battery only had a cycle count of 128. i don't know if my battery is the problem or there is something wrong within the mavericks power management. well, i ended up going to the apple store and have a new battery replacement... LOL. it seems like mavericks wants us to replace our battery.

  • flopi Level 1 (0 points)

    See my post here :


    The battery capacity is down to 796 mAh (less than removable battery used in toys!) where it should be 6900 mAh (coconutBattery diagnosis).....

    If the system use this value to evaluate the battery charge, it's normal that the battery life is less than one hour.


    So for me it's definitelly a problem with Maverick.

    And still the same even with the 10.9.2 update installed this morning.....

  • Csound1 Level 8 (46,880 points)

    Take your Mac to an Apple Store, it needs a new battery. A free replacement may be possible but only the Store can tell you that.

  • Sigismundus Level 1 (0 points)

    Why would we? For many people, including myself, it is no fun having things fixed by someone else.

  • flopi Level 1 (0 points)

    If only I had an AppleStore in the neighborhood.....

    The closest is 2 hours from my home so a simple diagnostic cost 65 euros in a retailer shop.

  • Csound1 Level 8 (46,880 points)

    Sigismundus wrote:


    Why would we? For many people, including myself, it is no fun having things fixed by someone else.

    So fix it yourself, it's your choice.


    Good luck.

  • neyromantis Level 1 (0 points)

    Same problem here (i thought i was the only one) 13'' MBA mid 2011 starting showing "Service battery" after Mavericks update.

    Tried to reset SMC,re-calibrate the battery and it worked for 1-2 days,then "Service Battery" appeared and now is always there.

    Sometimes when i open the lid,after the battery is fully depleated,everything is soooo slow (cursor,opening apps) for about 5-10 minutes and the kernel_task cpu utilization is over the roof.


    Here's the log of Coconut Battery :



  • KileyS Level 1 (0 points)

    got my computer back from apple. they said it was cords inside the core of the computer that were causing my issues. computer has worked fine since i got it back and it is running maverick. fingers crossed nothing else happens. I would definitely take your computer into an apple store and have them check it out.

  • mrjoda Level 1 (0 points)

    What's "cords in the core"?

  • niloc661 Level 1 (0 points)

    How has this not been fixed!??!?!


    My battery is fluctuating between 80% and 59% capacity with about 50% the battery time pre-Mavericks.  What terrible "upgrade."

  • Yorick88 Level 1 (0 points)

    Same issue here on a macbook air 13" 2012. After the SSD failure this seems to be the next thing.

    Screen Shot 2014-03-09 at 09.41.58.png

    Where are the good old days where apple products just worked...

  • Csound1 Level 8 (46,880 points)

    Alas poor Yorick, your battery has declined.


    How much time do you get on a full charge (no estimates please)

  • Yorick88 Level 1 (0 points)

    Well I can't give hard numbers as I don't have software installed to monitor it.

    Naturally it varies by usage but it wont last longer then 2 hours doing any task.

    I would be able to give you exact numbers if I'd install the monitoring software but as that is almost as much effort as replacing the batteries themselves I might refrain from doing so.


    I informed at the apple store where they estimated the replacement costs around 130 euro.


    So after I find myself a suitable replacement machine i'll replace the batteries myself and will attempt to resell.


    I just had to air my frustration and disappointment for I am No longer a fellow of infinite jest!



  • Csound1 Level 8 (46,880 points)

    You don't need monitoring software to see how long your battery lasts. A watch will suffice (a pen and paper will help if you can't remember when you turned it on)

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