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MBP16 - Battery Max capacity dropped to 96% in 3 months (33 charge cycles)
- Thread starter sat24
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sorry about your situation
you might try a few resets and see if you can get 100%
usually apple has a few super secret low level resets, do those too
depending on the battery technology you might want to let the computer significantly discharge the battery
there is a battery life remaining# = ??
this is a new MBP so YES i would be worried
you might try a few resets and see if you can get 100%
usually apple has a few super secret low level resets, do those too
depending on the battery technology you might want to let the computer significantly discharge the battery
there is a battery life remaining# = ??
this is a new MBP so YES i would be worried
Ignore it. On my MBP 2017, just during the last about month, the reported capacity varied randomly between 97 and 100% - while I went through battery cycles 34-43. Today happens to be 98%. And I started - when new - with capacity above 100% (like 102-103%). These reported capacities are best guess calculations and variation by few % is normal.
Usually, the capacity drops somehow early (and this is early), stabilizes and eventually drops at the end of life.
Usually, the capacity drops somehow early (and this is early), stabilizes and eventually drops at the end of life.
Are you sure you're referring to your "battery capacity" and not charge percentage?
For a laptop that is 3 years old to hold 100% battery capacity would be almost unprecedented from what I have seen.
sorry it's not relate to MBP 16".
But my MBP 15" 2019 have the same issue.
Any body know the value of Design Capacity and Full Charge Capacity?
Thanks
But my MBP 15" 2019 have the same issue.
Any body know the value of Design Capacity and Full Charge Capacity?
Thanks
I am going to do a full discharge this weekend and then a full charge + 2hrs on power and recheck.
You do realize, that all what various rests and discharge cycles do is fixing the way MBP reads the battery (calibration) and not fixing/improving battery life? It is important to have good read of battery so computer does not shut down early, but you are not fixing the battery capacity. Just the read out on the screen...
Battery cannot improve, it degrades with use. Improvement would be against the laws of chemistry of current batteries ;-)
(well, not completely true, early cycle or two can "form" the battery and do have impact on battery life, but these should be done in factory).
Few years ago I had battery, which showed 100% charged and quite high capacity and when discharged to ~30%, died. Calibration was lying, the reality was 70% battery capacity in real life, at most.
Battery cannot improve, it degrades with use. Improvement would be against the laws of chemistry of current batteries ;-)
(well, not completely true, early cycle or two can "form" the battery and do have impact on battery life, but these should be done in factory).
Few years ago I had battery, which showed 100% charged and quite high capacity and when discharged to ~30%, died. Calibration was lying, the reality was 70% battery capacity in real life, at most.
no need for a civics lesson on how the interWeb works, right?
4example:
i bought a 2017 butterfly MBP in late 2016. It was all about "how i held the keyboard" till Apple lost the class action law suite. Apple did free warranty repair but replaced the existing kb with the same failed design.
good luck
4example:
i bought a 2017 butterfly MBP in late 2016. It was all about "how i held the keyboard" till Apple lost the class action law suite. Apple did free warranty repair but replaced the existing kb with the same failed design.
good luck
I did the full battery reset (let it run to 0%, wait 2 hrs, recharge to full, wait 5hrs with no use). Still was stuck at 95%. And then it dropped to 93%! wtf.
Then it bounced back to 96.5%. All within the same 37 charge cycle. I am not sure what is going on... can someone shed some light on this?
Then it bounced back to 96.5%. All within the same 37 charge cycle. I am not sure what is going on... can someone shed some light on this?
Seeing as your capacity has not fluctuated below basically an Apple Watch 5 battery after 37 cycles, I wouldn't be too concerned.
Not saying it is normal, but your battery seems to have stabilized where it isn't going to die anytime soon.
This is why Apple does not list these figures in the OS because people panic. I would suspect that it's just the normal breaking in of the battery or some type of error in how the app calculates the percentage. You're probably putting more wear on the battery by discharging and recharging it trying to figure out why it's 97% and not 100% 😪
You have at least a one year warranty and hopefully AppleCare so if it goes down below a usable level take it in for repair.
You have at least a one year warranty and hopefully AppleCare so if it goes down below a usable level take it in for repair.
If you see Service Recommended on your MacBook Air or MacBook Pro – Apple Support (AU)
Find out how to check the health of your battery and resolve charging issues.
Can we just get this stickied? Every day or so a new "MY BATTERY" thread pops up. It's just the battery management at work. You'll find the "Health" varies between 93-100% depending on various things.
Focus on real world performance. If your computer is only lasting 5 hours on a full charge just browsing and answering email, then worry. Otherwise it's just a number on the screen you shouldn't fret over.