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Apple used tiny batteries up until the last few years. Small battery = bad battery life = multiple cycles per day. Battery life has always been the Achilles heel of the iPhone. That all changed with the XR and the 11 pros this year.

Lithium ion batteries are end of life at 80%, so your mom should replace hers asap before it swells up!

In my experience it's Android that has the achilles heel. The many Android phones I had would get really warm and be dead by lunch at the worst, or at least around 15% by 8 hours. Standby. My iPhones over the years always got a day to two--three at best. Much better than any Android phone. Only time I managed multiple day life on an Android phone was when I used a Galaxy Note 2, but I had no Google account, disabled Play Services, and removed all the Google apps. Basically it did nothing in the background.

As for my mom's iPhone, I subscribe to the saying "if it ain't broke don't fix it" so there's no reason to replace it until it no longer carries the sufficient charge or swells up. By then I bet she'll be ready for an upgrade anyway. She's had the thing since 2015 coming from a Galaxy S3 that was horrid on battery in comparison. My father was the record holder for iPhone longevity however. He was still using the iPhone 2G up until his death in 2016. Only used it for calls and Safari. Screen was super dim at max brightness but held a charge enough to make use of it.
 
Xr 100% still. Manufactured on last week of September 2018, first boot on 23th of April 2019.
If it ever drops to 99% I'm going to lose a screw, checking everyday.

Just kidding, it is a very rough estimate and you should not worry about it.
 
In my experience it's Android that has the achilles heel. The many Android phones I had would get really warm and be dead by lunch at the worst, or at least around 15% by 8 hours. Standby. My iPhones over the years always got a day to two--three at best. Much better than any Android phone. Only time I managed multiple day life on an Android phone was when I used a Galaxy Note 2, but I had no Google account, disabled Play Services, and removed all the Google apps. Basically it did nothing in the background.

As for my mom's iPhone, I subscribe to the saying "if it ain't broke don't fix it" so there's no reason to replace it until it no longer carries the sufficient charge or swells up. By then I bet she'll be ready for an upgrade anyway. She's had the thing since 2015 coming from a Galaxy S3 that was horrid on battery in comparison. My father was the record holder for iPhone longevity however. He was still using the iPhone 2G up until his death in 2016. Only used it for calls and Safari. Screen was super dim at max brightness but held a charge enough to make use of it.
You're saying Android battery life is inferior to iPhone and your sources are the Note 2 and the Galaxy s3? I'm not being rude, but you're completely out of touch. The note 2 came out in 2012. iPhones have always dominated in terms of standby drain being minimal, but actual usage has always been dominated by Android. The 11 pro max is probably the longest lasting flagship, but there are plenty of budget Android phones that wipe the floor with it.
 
No, I have had many Android phones. Those two are but two of them. Disabling Play Services not only helps with speed but with battery as well--it's always the largest drainer of them all.

Cheapies:
ZTE Merit
ZTE Z Five LTE
ZTE Majesty Pro
Samsung Galaxy J1, J3 Orbit
LG Optimus V (my first)
LG Optimus Net

Expensive/Flagship:

Samsung Galaxy S3 (first flagship phone)
Samsung Galaxy Note 3 (first Note I owned)
Samsung Galaxy Note Edge (very unique, a shame Samsung didn't make another like it)
Samsung Galaxy S6 (worst on battery ever--4-6 hours standby at best)
Samsung Galaxy S5 (got on Amazon)
Samsung Galaxy S8 (most recent new phone)
Samsung Galaxy Note 2 (missed skeuomorphism, was cheap)
Google Nexus 6 (played with ROMs)

Midrange:

Motorola G4 (it died, wouldn't power on one day)
Motorola G7 Power (huge battery, still managed a day with regular use though)
Unlocked Sony XPeria L2 (so far best one so far on battery, kept as backup but UI is ugly)

That's not even counting the tablets over the years. Even if the phones had decent lifetime comparable to iPhones in my experience, the removable variety would certainly need replacing a year into owning the phone--My S5 started to swell and the capacity was 25% or less a year into using it--replaced it and it's good now. But I've never replaced a battery in an Apple product and the oldest, a PowerBook G4, still holds good charge. Not comparable to my new MacBook Pro, but we're talking the year 2000, when laptops were rated 2-4 hours at best.
 
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People showing 100% capacity after an entire year proved this algorithm is completely unreliable.
 
iPhone 11 Pro purchased a week after launch, so around the last week of September.

99% sometime in November.

98% last week.

97% as of today.

I reckon it has to do with, me being in Australia, we’ve just suffered our (pretty much) worst heatwave on record, there was a day it was 42c (107f), it absolutely crippled the phones battery life by making the device hot even when not in use, had to recharge it at 6pm almost every day last week.

In any case I also have AppleCare+ for this phone, so if something really bad happens to the battery in the future, nice to know I’m covered.
 
I've read some stories that the health reading can even go up not just down. I've just ignored it since day one. I never needed it before and certainly don't expect I'll ever need it. Never had issues with Apple devices coming up short on battery. That was an issue that was constant on Android even to this day.
 
I was at 97% on my XS and after 13.3 I went back to 100%. Seems kinda fishy to me, or Apple really writes some phenomenal software...:rolleyes:. Oddly Coconut agrees. My max capacity is 8 mAh higher than design.
 
What are you talking about?

The way so many seem to worry about 'battery health' when an iPhone has perhaps had the best battery ever in my usage ever since my 3GS. I never had battery anxiety nor worried about anything of the sort then. Android is the one who has all the battery issues. Not Apple. So everyone just stop looking at the health reading. It's meaningless.
 
People somehow want their batteries to last long, while at the same time, most of them would be upgrading either within the year or two at max, and under normal circumstances, phones' batteries last that long. I think all this worry is not fruitful.
 
I bought my XS Max on October 29th 2018. Battery health is still at 100% with 158 cycles on it.

One year and 158 cycles only? What's your usage like? I had a battery replacement on my 8 in the first week of October this year and today Coconut Battery tells me the battery has cycled 90 times.

I do not use the phone heavily. So it must either be that since you have a Max, you are charging less number of times, or my charging habits need some tuning. I'd like to learn. :)
 
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My 11 from Launch day is still at 100%.
My girlfriends XR, 14 months old just dropped from 100% to 99% one week ago. She does not care about how to or when to charge her phone, she uses a noname wireless charging pad as well as her 5W original charger and an Anker 15W fastcharger at work.
 
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I have my iPhone 11 month and a half and my battery health is still 100%. Most of the time, I put my iPhone on charger whenever I need to
 
My launch day 11 pro max just dropped to 99% (coconut says 99.7%) however i am heavy user with 104 cycles. So im assuming thats about right?
 
People showing 100% capacity after an entire year proved this algorithm is completely unreliable.

All battery health measurements are just estimates, but people here get so worried about every percentage point. I understand why Apple avoided having battery health easily read by users for so long. Most people would be far happier and enjoy their phone a lot more and for a lot longer if they never looked at the battery health.
 
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