Battery Health on MBP 16" is 93% after 32 cycles.. and was never 100% out of the box.

[khalitzy]

:s

 

[aakshey]

How is coconut battery more accurate than apple’s internal testing tools? I took it to an apple service provider a couple of weeks ago, since we don’t have apple stores where I live, they ran a diagnostic test and it showed the battery as 97% at the time coconut battery was showing 95-96% and told me it was normal :/ and that I shouldn’t be worrying, but you know even you think it isn’t normal so.... I don’t think I can get it replaced here at all. Anyway thanks for the detailed response :/.

It is in Apple’s vested interest to show a figure higher than reality. It’s not in Coconut battery‘s interest. Try iMazing. Shows same as Coconut battery.

 

[khalitzy]

It is in Apple’s vested interest to show a figure higher than reality. It’s not in Coconut battery‘s interest. Try iMazing. Shows same as Coconut battery.

coconut or imazing, both just fetch the readings in system information lol and knowing the design capacity you get the battery health. 🤷🏻‍♂️🤷🏻‍♂️🤷🏻‍♂️

 

[Steve686]

All things being said, is there a possibility that the batteries that were built for the 16 inch MBPs were actually made several months, if not maybe a year, before they were actually installed into the computers?

As soon as batteries are made, they start to lose their capacity to hold a 100% charge even when not in use. I think I read that a battery not being used can still lose up to 20% of its capacity in a year.

I think this idea might make more sense than anything. As more 16 inchers are sold in the future and deplete battery stock, newer freshly made batteries should start to report charge capacities of 100% or even a little more?

 

[leman]

However, Coconut battery is way more accurate than any tool Apple will ever use.

This not true. Coconut battery simply grabs the data provided by macOS. You don't even need this app to see the data, just run ioreg -brc AppleSmartBattery in your terminal. If anything, Apple tools will have access to much more detailed data than Coconut battery that simply looks at data that is already publicly exposed anyway.

If their internal tool says you’ve lost 7% in 32 cycles, there is a 80%+ chance they will replace your battery and/or device as long as it’s still under warranty. Such a situation falls under exceptional circumstances

I don't consider them to be exceptional at all. This is very much within normal variation from the dozens of Mac laptops I have inspected.

Keeping 2 in mind, this is 100% a reason to be worried and this is far from normal.

No it is not.

Anyway, you should be worried.

No he should not, although monitoring the situation is certainly advisable.

There is a very high chance it will fall below 80% within 3 years.

Sure, because 3 years is a long period for a high-capacity battery of this type. But battery degradation is part of normal wear and they won't replace your battery under warranty just because it went under 80%. They say "under 80% after 1000 cycles". It is very much not certain that this condition will be met. Battery capacity usually drops a bit at start but then continues to be unchanged for long period of time (as you say yourself, it stabilizes). Dropping 7% after 20 cycles does not mean that it will drop 20% after 50 cycles — this is not a linear process.

 

[m.x]

All things being said, is there a possibility that the batteries that were built for the 16 inch MBPs were actually made several months, if not maybe a year, before they were actually installed into the computers?

As soon as batteries are made, they start to lose their capacity to hold a 100% charge even when not in use. I think I read that a battery not being used can still lose up to 20% of its capacity in a year.

I think this idea might make more sense than anything. As more 16 inchers are sold in the future and deplete battery stock, newer freshly made batteries should start to report charge capacities of 100% or even a little more?

Coconut battery is able to read the manufacturing date of the battery, can somebody post the results here? Would be quite interesting.

And @khalitzy , please take everything what aakshey says with a grain of salt. His writing style makes his opinions look like official, scientific-proven facts, although they are only his views on the matter. @leman debunked most of it quite nicely.

 

[khalitzy]

Coconut battery is able to read the manufacturing date of the battery, can somebody post the results here? Would be quite interesting.

And @khalitzy , please take everything what aakshey says with a grain of salt. His writing style makes his opinions look like official, scientific-proven facts, although they are only his views on the matter. @leman debunked most of it quite nicely.

yes I know don’t worry, he made wild statements.
anyway,
mines made 135 days ago. on nov the 15th. the laptop itself is made 10 days after on the 25th.

 

[Jacolee]

Hey, guess what? I beat all you guys. Check my screenshot.
I have been plugged in since I bought this machine, still it has 6 cycle counts. My charger is 94W.
And I notice my laptop would have 20 minutes 'battery drop time' for about 7% every day after I installed Windows via boot camp (but not running on it).
SO i guess this has something to do with Windows existing in my SSD... don't have a better thought about this.

 

[masi0]

Mine was 92% after 30 cycles and as I can see it fluctuates to 93-94 today with 32 cycles.
on other hand, my MBP 15/2015 has 176 cycles with 95% health, so perhaps Apple uses now less durable cells than few years ago