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Why is my new battery behaving weirdly?



The Next CEO of Stack OverflowMacbook Pro Sleep Battery DrainBattery indicator is showing “Service Battery” notificationNo Battery AvailableWould the battery from a 13“ MacBook Pro (2010) work in a 15” MacBook Pro 2011?Magsafe charger behaving strangeno battery presentIs the “Battery Is Not Charging” state harmful?Why my Battery status color in the menubar is Red while it is charged more than 20%?MBP 13 early 2015, but battery was manufactured at November 2016. Why?Macbook pro (retina, early 2015) battery charging problem










2















Macbook Pro Early 2011



I am unable to understand why the battery is varying so much? It was just recently installed and is giving an excellent battery timing but this health difference is weird.



Any suggestions?



InfoHealth taken on different occasions










share|improve this question







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  • 3





    That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

    – Mike Scott
    2 days ago
















2















Macbook Pro Early 2011



I am unable to understand why the battery is varying so much? It was just recently installed and is giving an excellent battery timing but this health difference is weird.



Any suggestions?



InfoHealth taken on different occasions










share|improve this question







New contributor




Ahmn21 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.















  • 3





    That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

    – Mike Scott
    2 days ago














2












2








2


1






Macbook Pro Early 2011



I am unable to understand why the battery is varying so much? It was just recently installed and is giving an excellent battery timing but this health difference is weird.



Any suggestions?



InfoHealth taken on different occasions










share|improve this question







New contributor




Ahmn21 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












Macbook Pro Early 2011



I am unable to understand why the battery is varying so much? It was just recently installed and is giving an excellent battery timing but this health difference is weird.



Any suggestions?



InfoHealth taken on different occasions







macbook high-sierra battery






share|improve this question







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Ahmn21 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Ahmn21 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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share|improve this question




share|improve this question






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asked 2 days ago









Ahmn21Ahmn21

334




334




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  • 3





    That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

    – Mike Scott
    2 days ago













  • 3





    That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

    – Mike Scott
    2 days ago








3




3





That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

– Mike Scott
2 days ago






That’s not a big variance, it’s a tiny variance that’s well within normal expectations. A big variance would be if it showed 90% capacity on one check and 40% on the next one.

– Mike Scott
2 days ago











1 Answer
1






active

oldest

votes


















5














Nothing at all looks odd or out of place. Each of those measurements shows the battery is very good and reporting new cycles.



The circuitry that measures this is desiged to capture long time periods so I wouldn’t check back until the battery has 25, 50 and 100 charge cycles. The estimates are derived as time series of voltage measurements that are integrated, so external temperature, CPU / GPU have a large impact in adding noise to the measurements.



Averaging all of the measurements made so soon seems prudent. Unless and until you’re at 80% FCC - these won’t really tell any compelling story in my experience.



If you have a dramatic failure outside the normal aging process, that also is so clear and logged to different diagnostic logs - trying to read these tea leaves of 1% either way isn’t going to tell you anything about the condition of your device.






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    1 Answer
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    1 Answer
    1






    active

    oldest

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    active

    oldest

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    active

    oldest

    votes









    5














    Nothing at all looks odd or out of place. Each of those measurements shows the battery is very good and reporting new cycles.



    The circuitry that measures this is desiged to capture long time periods so I wouldn’t check back until the battery has 25, 50 and 100 charge cycles. The estimates are derived as time series of voltage measurements that are integrated, so external temperature, CPU / GPU have a large impact in adding noise to the measurements.



    Averaging all of the measurements made so soon seems prudent. Unless and until you’re at 80% FCC - these won’t really tell any compelling story in my experience.



    If you have a dramatic failure outside the normal aging process, that also is so clear and logged to different diagnostic logs - trying to read these tea leaves of 1% either way isn’t going to tell you anything about the condition of your device.






    share|improve this answer



























      5














      Nothing at all looks odd or out of place. Each of those measurements shows the battery is very good and reporting new cycles.



      The circuitry that measures this is desiged to capture long time periods so I wouldn’t check back until the battery has 25, 50 and 100 charge cycles. The estimates are derived as time series of voltage measurements that are integrated, so external temperature, CPU / GPU have a large impact in adding noise to the measurements.



      Averaging all of the measurements made so soon seems prudent. Unless and until you’re at 80% FCC - these won’t really tell any compelling story in my experience.



      If you have a dramatic failure outside the normal aging process, that also is so clear and logged to different diagnostic logs - trying to read these tea leaves of 1% either way isn’t going to tell you anything about the condition of your device.






      share|improve this answer

























        5












        5








        5







        Nothing at all looks odd or out of place. Each of those measurements shows the battery is very good and reporting new cycles.



        The circuitry that measures this is desiged to capture long time periods so I wouldn’t check back until the battery has 25, 50 and 100 charge cycles. The estimates are derived as time series of voltage measurements that are integrated, so external temperature, CPU / GPU have a large impact in adding noise to the measurements.



        Averaging all of the measurements made so soon seems prudent. Unless and until you’re at 80% FCC - these won’t really tell any compelling story in my experience.



        If you have a dramatic failure outside the normal aging process, that also is so clear and logged to different diagnostic logs - trying to read these tea leaves of 1% either way isn’t going to tell you anything about the condition of your device.






        share|improve this answer













        Nothing at all looks odd or out of place. Each of those measurements shows the battery is very good and reporting new cycles.



        The circuitry that measures this is desiged to capture long time periods so I wouldn’t check back until the battery has 25, 50 and 100 charge cycles. The estimates are derived as time series of voltage measurements that are integrated, so external temperature, CPU / GPU have a large impact in adding noise to the measurements.



        Averaging all of the measurements made so soon seems prudent. Unless and until you’re at 80% FCC - these won’t really tell any compelling story in my experience.



        If you have a dramatic failure outside the normal aging process, that also is so clear and logged to different diagnostic logs - trying to read these tea leaves of 1% either way isn’t going to tell you anything about the condition of your device.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 2 days ago









        bmikebmike

        161k46290627




        161k46290627




















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