2017 MB Pro - Battery Life no longer at %100

Discussion in 'MacBook Pro' started by dkupras, Jan 2, 2018.

  1. dkupras macrumors newbie

    dkupras

    Joined:
    Oct 21, 2017
    #1
    Hi All - I know from previous replies (Thanks to all) that my MacBook Pro 2017 Model doesn't need to need to be calibrated however at random times I notice the mAh will either go above or beneath the original max.

    Lately it seems that my battery is going down to %98 percent. Any suggestions on what I can do to increase this again? I have included a picture.

    Thanks all!

    Dave K
     

    Attached Files:

  2. Honza1 macrumors member

    Joined:
    Nov 30, 2013
    Location:
    US
    #2
    This is normal. It will slowly decay as every battery does - with both cycles and times. Clearly, number of cycles is obvious wear - but my old MBP battery had only ~120 cycles - but in 5 years and eventually failed and needed replacement.
    Every battery is different. 98% is fine; and it will go up/down a bit with slow decay with time & number of cycles.
    I do not believe there is much one can even do - and I am not sure if one can trust these values to such high precision anyway.
     
  3. dkupras thread starter macrumors newbie

    dkupras

    Joined:
    Oct 21, 2017
    #3
    Thank you!
     
  4. jerryk macrumors 68030

    Joined:
    Nov 3, 2011
    Location:
    SF Bay Area
    #4
    It is an estimate. And like all estimates is always off.
     
  5. dkupras thread starter macrumors newbie

    dkupras

    Joined:
    Oct 21, 2017
    #5
    You guys are absolutely right, today it shows %101
     

    Attached Files:

  6. mvtm macrumors member

    Joined:
    Nov 16, 2017
    #6
    I put 2100 battery cycles on my 11" 2012 Base MBA, before the SSD failed (2nd SSD) a month ago. Battery is original though. Was like holding 50% of charge.
     

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