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James6s

macrumors 65816
Sep 22, 2015
1,049
2,023
Cumbria, UK
15PM dropped to 98% BH 😃
IMG_8674.jpeg
 

DME49

macrumors newbie
Nov 8, 2020
9
8
I have a launch day iPhone 15 Pro Max 260 cycles, 93% battery health. Would be interesting to know if this is correlated to being on the beta programme, I have been. I’m not sure what the point is as I don’t notice much difference in battery life, it’s never been that great.
 
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BelgianChoklit

macrumors regular
Jun 10, 2024
158
979
My iPhone 15 Pro's battery health has dropped like a stone. And I never leave it in the sun, I never let it get too hot.

I don't get it. Apple said they use a new battery technology with the 15 improving battery aging. And yet this is the worst battery health decline I have ever seen. The best I got was with my regular 13. The 11 Pro was also really good.

I think that with my next iPhone, I will stop using fast cable charging and wireless charging.
 

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Barbareren

macrumors 6502a
Dec 10, 2020
662
613
Norway & Mexico
So I just noticed my battery health dropped to 99% today after it had been holding steady at 100% (nooooooooooo) So I was curious to see what you guys had as cycle counts and health

***For the "stop obsessing about battery crowd"... Yes i know relax yourselves this is just for pure curiousity and entertainment... I am not actually upset about my battery hitting 99% so please calm down***

15PM
Health: 99%
Cycles: 152

purchased on release day.
15 Plus
Health: 100%
Cycles: 170

11 months old.
 
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forza69

macrumors 6502a
Jan 30, 2010
790
131
Release Day iPhone 15 Pro Max 256GB
Maximum Capacity: 88%
Cycle Count: 359
:(
 

YeasirAraFath

macrumors newbie
Dec 7, 2023
15
4
Bangladesh
Device: iPhone 15 Pro Max
Battery Health: 96%
Battery Cycle Count: 142
Usage Since: December 2023
Purchased From: Thailand

I am using the original 20W Apple charger and maintaining the battery level between 30-80%. While charging, I use a magnetic radiator phone cooler. I only use the cooler when the phone is charging.
 

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widestload

macrumors 6502a
Jun 10, 2008
669
1,003
manchester UK
15 pro max
280 cycles
92% health

I'm surprised health has dropped that much as i usually have it on the 80% limit. that said, i play a lot of Pokemon go which i think hammers the battery. Ah well, will hopefully have a 16 pro max in a couple of weeks time :)
 
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milhaus

macrumors member
Feb 10, 2011
93
47
I'm experiencing significantly reduced battery life at 88%, like having to recharge during the day to get through it. Has anyone had success having Apple replace the phone or battery without getting to 80%? I have AppleCare+, so could technically just pay $129 (+ taxes) and have this done, but it seems a bit crummy.
 

xxjrsmith3xx

macrumors regular
Oct 26, 2014
107
18
I'm experiencing significantly reduced battery life at 88%, like having to recharge during the day to get through it. Has anyone had success having Apple replace the phone or battery without getting to 80%? I have AppleCare+, so could technically just pay $129 (+ taxes) and have this done, but it seems a bit crummy.
Same here, worst battery life I've ever had on any iphone.
 

NeshyD

macrumors regular
Apr 28, 2009
120
47
San Francisco, CA
15 Pro Max, Bought in February this year.

136 cycles, 100% capacity.

Some notes: I only started running iOS 18 on developer beta 7 and recently updated to RC.

80% charge limit for most of my uses; occasionally I’ll swap to 100% limit for a day trip.

I charge nightly via my old iPad 10W usb power adapter. It’s been there for years and never bothered replacing. Fast enough for overnight charges.

At work I charge via MagSafe.
 

igneousc

macrumors 6502
May 13, 2011
292
344
launch 15 pro max made in july 23, 140 cycles 100% max capacity
80% daily charge limit seemed to make a big difference this year, last year it was somewhere in the 90% capacity range
 

Wig321

macrumors 6502
Sep 13, 2018
408
898
15 Pro
92% health
345 cycle count

It gets far too hot under normal usage. And 80% never worked for 6 months! Only when I switched the setting off and on did it start to work 😑
 
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