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Kobs

macrumors member
Sep 15, 2022
80
151
This will happen quite often, at least for the majority of the battery’s useful existence. Go through the battery threads on this forum and look at all of the coconutBattery screenshots, see how the values decrease and increase what could be described as “wildly” and seemingly impossibly. Well, that’s because there are a lot of very dynamic variables in batteries.


Look at an analytics log, such as the partial one I included in post #168. And even with monitoring and considering those vast number of factors, it’s impossible to perfectly measure a battery’s state of charge. So, you can probably understand why predicting an unusable state or failure is going to be nowhere near consistent/accurate — well, this applies to a lot or most technology but anyway. Speaking of accuracies… coconutBattery is a useful troubleshooting tool, at times, but it’s only fetching data for that moment — which, as was just noted, varies frequently. While still a guesstimate, the iOS/iPadOS/macOS/etc battery health calculations are still going to be reference because they account for a past data as well.

Last but not least another reminder:

My iPad 6th generation graph:

1710869300979-png.2360775

I didn’t routinely log with coconutBattery until December 2020, and primarily only do so with point OS releases.
And my other launch day Iphone 14 Pm which has 100% maximum capacity according to Apple battery health is credible?
 
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MacCheetah3

macrumors 68020
Nov 14, 2003
2,288
1,234
Central MN
And my other launch day Iphone 14 Pm which has 100% maximum capacity according to Apple battery health is credible?
M-a-y-b-e fairly accurate… Again, both state-of-charge and battery health (i.e., percentage of capacity) are best guess. Also relevant:

 

Tagbert

macrumors 603
Jun 22, 2011
6,264
7,287
Seattle
Still 100%, 3 weeks after launch date.

What happened to the stories about the iPhone 15 Pro Max overheating and killing the battery due to Titanium?
:D Once Apple put out the first OS update that fixed the stuck loop that was burning through charge, people forgot about the whole “what about the titanium” red herring.
 
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Tagbert

macrumors 603
Jun 22, 2011
6,264
7,287
Seattle
Real battery stats analytics data for my less than one day old 15 Plus. Dam it’s already lost 1% 😅🤣
What is the margin of error on this process that evaluates an analog process using digital measurements? Give it some time to see what the trends look like.
 
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RRC

macrumors 68000
Nov 3, 2020
1,698
2,711
15 Pro
Launch day device
204 cycles
100% battery health.

Charged overnight, every night using my Nomad base MagSafe charger or my wired MacBook cable if I need a fast charge.
 

RossMacca

macrumors 6502
Mar 31, 2009
373
378
15 Pro Max
Launch Day
210 cycles
95%

Really disappointed to be honest. It’s dropped from 100 to 95% in the last 3 weeks. The phone is often warm, has poor connectivity (even when it’s showing full 4/5G signal) and the usage I get out of a charge is worse than my recent non-max iPhones.

I charge it limited to 80% with a few exceptions. Is anyone aware of any software problem that’s eating up my battery, presumably via using loads of the CPU?
 
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FeliApple

macrumors 68040
Apr 8, 2015
3,684
2,089
15 Pro Max
Launch Day
210 cycles
95%

Really disappointed to be honest. It’s dropped from 100 to 95% in the last 3 weeks. The phone is often warm, has poor connectivity (even when it’s showing full 4/5G signal) and the usage I get out of a charge is worse than my recent non-max iPhones.

I charge it limited to 80% with a few exceptions. Is anyone aware of any software problem that’s eating up my battery, presumably via using loads of the CPU?
Battery life is a different aspect, but health is okay. 95% after 210 cycles is great!
 
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krspkbl

macrumors 68020
Jul 20, 2012
2,452
5,888
Almost a month since I posted in here. Latest for me (15 PM) is:

Battery Health: Normal
Max Capacity: 100%
Cycle Count: 74
Manufacture Date: July 2023
First Use: September 2023 (launch day)

I have 80% limit set. Sometimes I go over it. Usually charge at ~20% but will go lower if I need to. I don't always charge up to 80% sometimes I can just bump charge it to 50-60% for example if I know it'll get me through the day or until I am home.
 
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hovscorpion12

macrumors 68040
Sep 12, 2011
3,048
3,130
USA
Battery Health: Normal
Max Capacity: 100%
Cycle Count: 61
Manufacture Date: August 2023
First Use: September 2023 (launch day)

Same as most. Kept my 15 Pro Max at 80% charge limit. Once it drops between ~20% - ~25%, i'll plug it in. Also, I do switch between wireless and wired charging.
 

hovscorpion12

macrumors 68040
Sep 12, 2011
3,048
3,130
USA
That's 80 cycles/80 days between launch day and # of total cycles.

You complete one charge cycle when you've used an amount that represents 100 percent of your battery's capacity.

100% to 0% every day since launch would get you exactly 214 [or 215 if you count today]. If you charge once per day. If you pass that 214, that means your +80 charge cycle.

This would mean the poster had ~ 2 to 3 full chargers in a random given day, but still had at least 1 full charge per day
 
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JoSeAnToNiO83

macrumors newbie
Oct 1, 2022
16
15
iPhone 15 Pro

Launch day
167 cycles
100%
80% limit charge
Allways MagSafe charge, with Apple MagSafe battery pack
 

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