yashsingh1/xdaforums huggingface dataset:
[Samsung Galaxy Note 9 Questions & Answers] DeVilio:
I`ve had similar situation at my S7 flat, after almost 2 years i noticed that battery lasts about 12 hours without heavy usage. I checked it with usb meter device, from 0% to 100% on turned off phone it pumped about 2000mAh, i`ve checked this few times. After that i wen to first samsung official service center and they told me that everything is ok, that "this is normal" and they refused me repair and replace battery. So i went to other center and you know what? My mainboard was damaged. It took power even when screen was shut down and phone did nothing, it took much more than normal, and battery was also damaged more than it should be. So they replace maindoard and battery for free, also - they replaced me connection ports such as jack 3.5 and micro usb :D So - long story short - now my wife is using almost new S7, that i bet should last another 2 - 3 years.

So there is much sense in checking new phone and write down your result somewhere, and then after almost two years you compare results and you know how much of your battery is gone. So before warranty is gone - you can always try to make service to replace damaged battery, and ask them if they can run some check through phone to see if everything still is ok.
[Samsung Galaxy Note 9 Questions & Answers] sputnik767:
Very interesting, I figured that there was a hardware problem, but it's good to know that this can happen.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
Where is that application that you're talking about? Samsung phone info? There I just show the number of charges.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I'm sure he's talking about like this attached ss, where mine shows 94. 3%, i.e. 3772, that's similar to AIDA64's 3753.

4 and half months back it was 3753 in AIDA64 and even now it's 3753. I don't think it'll change soon or will ever change as it's a way to preserve health.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
He does not look at me. You can have the snapdragon version and me with exynos.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
And to me in Aida32 all 3753mAh shows me in charge the counter and this from the first day (Aug 2018)
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I'm using the exynos.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
Is it a screen made on your phone? Then why does not it show me my health? Give me the heath.?
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
1. It might be due to me using Pie and you r probably still with Oreo.

2. Swtich to standard phone info app, not the paid "+" version and see.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
I still have Oreo. That's it. I have not done the update yet. I like more SOT on Oreo than the new graphics on Pie. :)

---------- Post added at 04:25 PM ---------- Previous post was at 04:21 PM ----------

Now,on Oreo i have 80%battery and 2h SOT.

---------- Post added at 04:26 PM ---------- Previous post was at 04:25 PM ----------

I think Pie will be better after two updates

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I'm also thinking about the missing security patch but I also use Eset Mobile Security.
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
Friend of mine had the same situation - really fast battery drain and it turned out to be the motherboard too. After they changed and only changed the motherboard (b*stards...), everything went back to normal.

---------- Post added at 04:37 PM ---------- Previous post was at 04:29 PM ----------

It's still an estimate based of number of cycles (and I can tell you that actually the cycles before the legendary 80% from original - can vary a lot depending how the battery is created. Literally from 400 cycles to 1500-1700 cycles. You can do the match how many years 1500-1700 full cycles are + why samsung promoted the s8 batteries as 2% charge lost per year (iirc, maybe it was two, won't search) ). Ofc a lot of factors also applies: temperature/heat, if you do regular top outs, how fast you charge the phone (fast charge, stock charge, usb charge over night) and ofc fast charging will lead to a lot faster degradation. However, the phone does not have the hardware needed for precise measuring... so really, people, stop using apps to measure your battery capacity.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
Won't deny these apps' defensive mechanism in other platforms, but all these apps are just some useless hungry bits that actually do nothing , eat up resources unnecessarily in a smartphone.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
Maybe this is my friend also gives you a placebo effect this antivirus. As for Pie, I would not take the phone to offer less than when I bought it. It remains to be seen. I was reading an S9 forum that now received Pie. Total dissatisfaction, drain battery, etc.

---------- Post added at 04:58 PM ---------- Previous post was at 04:52 PM ----------

You're right! I'm not using any measuring program. PhoneInfo reads the estimate made by sys / class / power supply / fg_fullcapnow and battery_cycle. They are determined by charge_counter. Informative.
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
Some things in pie I really do like and are good decisions, but many are not - the less functionality in key areas as multitasking/multiwindow abilities, missing pro mode video recording to name a few bigger ones. Also reported bug like auto turning off dolby if you didn't turn on dolby for gaming that also produces unbalanced sound in some games like vainglory - when you literally got 120% sound effects volume to the point of distortion while you set the volume to 40% and it's there for most sounds - absurd. Also I clearly see how the optimisation on the exynos note 9 is not there, it's not only not smoother vs oreo, but it's somewhat worse with more frame drops (this can be also effect of the new UI that is less prone to hide stuttering/frame drops). Not to even start that the rounded corners are for s9/s9+ and not changed to match the corners of the note 9... nice, we have a port after our phone was released AFTER the android 9 release and was not shipped with it while some companies did manage historically to do such releases... using the latest dev bases that are only bug fixes to develop and literally last moment transfer everything to the final stable, won't go deeper into details - it's possible and done in the past.

Funny thing, isn't it? Samsung rushed the update that took them so many months to finish and had a beta.

For the battery estimate, it's cool and informative, but it's just estimation none the less. You need a hardware that is not presented to measure exactly what the capacity in the battery is at given moment (even new, as no battery is exactly the same when shipped and always have some tolerance :) ).
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I totally agree with the fact the phone doesn't have the required hardware required for precision, and I simply don't trust most of the battery related apps but then keeping an eye is fun ;)

On a side note, when it comes to battery health ,I prefer using 1 to 100% charging and then full draining and repeating that with fast charging on , that equals to "no additional harm to be considered" in my usage in battery tear solely bcoz of not following legendary charging habits(held true,since note 8 days,not before that, in my usage). It does ofcourse due to laws of physics and chemistry, but especially for a period of about 2 years of usage of an average user it wouldn't be necessary to follow rules imo and in the long run, one would replace the battery rather then going through the "hassles". :)
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
That's why I'm not rushing to go to Pie. Do you know how it was on Oreo, fluent, good battery, no problem in a word. Why do I read and how do you say and there are enough dissatisfaction and even downgrade. If we get used to something that works very well why Let's try something that still does not work properly. We're waiting for feedback.

---------- Post added at 05:28 PM ---------- Previous post was at 05:25 PM ----------

And the battery is correct, it does not have hardware for measuring precision. We rely only on charge_counter's appreciation.

---------- Post added at 05:30 PM ---------- Previous post was at 05:28 PM ----------

As S10 and Note10 show with holes in the display, I'm thinking of taking more care of Note9.?

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For me,Note9 is the best phone.I love this phone.?
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
I personally buy a new phone to use it and enjoy it's benefits, not to charge it 40-80%, turn off 2/3 of it's features, charge only via usb as it's slower and less stressing the battery, stalk it so I can disconnect it from the charger as soon as it reach 80%, etc. If I would keep my phone for long long time and have complains about the battery life at some point, I will invest 40-60$ change (it's not apple, guys) for original battery and continue to use the phone. Each on it's own on that one tho - if someone likes to use his phone like that, I am cool with it. Just don't like some misinformation how batteries works or how those measurements/estimates are done, thus trying to clarify it on more easy to understand language how it actually is. The only thing that is turned off is the fast charge as I don't really need it and the phone charges quite fast (around 2h for 0-100% and that's not bad at all for 4000mAh battery), but I will not hesitate to use it if I am in a hurry.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
That's right. It's not much to change a battery every two years, especially if it's a warranty. But maybe it does not last for two years. Usually I charge the battery from 25% -100% and without fast charge. in a hurry goes a fast but very rare.

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Enjoy phones and respect,my friends. ?
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
The average current tech li-ion battery will need around 800(really low end ones for the average)-1000 full cycles to reach 80% of it's original capacity. This is a little bit more than 3 years of everyday charging 0-100%, in real usage should be atleast 4-4.5 years as most will not charge from 0%. Samsung claims to put higher quality batteries and I would say they will need around 1000-1200 cycles (going higher is possible, but not price point viable). The two years fail should be mostly defective battery in the first place (or defective motherboard that leads to poor battery life as I stated above in a post, was the case for a personal friend of mine and his s7).

Edit: just to add to that, most people thinks that only battery degradation leads to poorer battery life in time and that's not true. OS updates can lead to that too if they are heavier/got heavier UI elements. Applications are also getting heavier and heavier with more features and we use them constantly, they drain battery life @ background too constantly and that drain can also change with new versions of them. While, for example, current messenger is still running smoothly on my 2013 HTC M8 as when that phone was released, it will not use 1 CPU core @ 1.2GHz as back in the days, it will use 3 cores at 2.0GHz = higher battery drain that sums up when we add all the apps.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I think Samsung claimed for batteryhealth retaining 95% battery even after 2 years without mentioning "higher quality" or such - makes me to think the claim relies on a strong keypoint of not entirety letting the battery charge than other reasons, if any.

Countries like India and several others, it's a headache and is very difficult to convince Samsung(or any smarthone maker) and Offline/Online Resellers to return a smartphone after it's bought and delivered, unless certified as faulty by brand cetified service centers first, to return for a replacement. In European, American countries there's always a "no questions asked" return policy within a timeframe without going through all those hassles. I believe It leads to high number of returns for the latter , many of which are poorly handled by users in the first place,many times damaging vital parts like the MOBO, in some cases battery etc to an extent when in the buyers' possession and then shipped to other buyers next.

As you have already mentioned of faulty batteries and motherboards ,interestingly, it's rare to have Samsung phones in a country like India where service centres hardly need to/have to replace MOBO for bad batterylife I would say, as those weren't shipped faulty in the first place to consumers and Samsung QC isn't much questionable to have high no. of faulty units shipped from manufacturing plants.
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
Correct, also to add up to the "not letting them charge entirely" - this is correct for all batteries, they never charge to 100% and never discharge to 0% to prevent dmg and prolong the battery life cycle. This is hardware controlled via battery controller on the battery itself, but ofc the manufacturer decides on those values and this can affect how much the battery will last. So with more words than you, but the same thing. :)
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Mines showing as 94.6% . 81 recharge cycles.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
Right. Here, Samsung might have been having better understanding of those values than few other brands lately as Note 8, S9 plus stayed "intact", and Note 9 isn't bothered yet either (s7 edge's endurance went down drastically in about 8 months and my charging pattern was to be blamed for, primarily) and I have successfully damaged battery of a OnePlus phone recently with my 1 to 100% charge and discharge cycles . :). The experience might be for totally different reasons, but there's a trust factor being built, based on those experiences.

---------- Post added at 09:05 PM ---------- Previous post was at 08:31 PM ----------

Keeping where credit goes aside, sometimes we pay too much attention to not so useful apps unintentionally:)
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
Mine shows similar (94.3%). This should tell you how accurate that is, if it's really correct - then we both have defective batteries as NO li-ion battery, even the crappiest ones will be at 94% after just 81 cycles. Seriously, stop using those apps that misleads and if you have doubts - official service centres can check it out (but for this they will most likely need to open the phone, so do it only if you have real problem).
[Samsung Galaxy Note 9 Questions & Answers] darkbahamut:
The phone reports it's real capacity, you can only read it with root access though.

The ~94% figures are going to be apps guessing the capacity based on a 4000 mAh cell @ 4.35v actually only charging to 4.28v. It's all they can do without root access and reading the correct files.

The real capacity on my cell after 17 cycles shows 3830 mAh @ 4.28v, which is higher than I'd expect actually.
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
The note 9 battery is rated at 4.4V, not 4.35V. Just checked in note 9 disassemble video. I should also check the typical capacity of the battery, but surely it will be more than 3830mAh. What files exactly you have in mind?
[Samsung Galaxy Note 9 Questions & Answers] darkbahamut:
It will be rated for 4.4v charge float voltage, but Samsung always terminate those cells at 4.35v max. That's been the case since the S5/Note 4 days or maybe even earlier.

I don't think typical capacity will be much over 3800 mAh. It will be rated 4000 at full voltage but the cell is stopped at 4.28v so the nominal capacity is lower in the real world. The cell could deliver ~4000 mAh if you charged it fully, but Samsung don't do this to help cycle life. The PMIC is reporting usable capacity hence the 3700-3800 figures which align with a 70 mV 'undercharge'.

You can read that out of the fg_fullcapnom file in /sys/class/power_supply/battery. This comes from the PMIC/charge control hardware so no weird software guesswork.
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
If you followed the thread then you'd know that I'm already aware that the batteries are not defective. This was learned 4 months ago. I was merely posting my numbers, similarly when I posted the values for accubatery and aida64 in the past that showed lower values than past devices. ( note 8 ).

Also worth mentioning was that prior to the note 9 and S9 series devices apps mentioned above did display a relatively accurate value. Its been mentioned that perhaps Samsung implemented something to prevent the S9 note 9 from being fully charged thus these apps not being accurate anymore.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
Those apps showed actual values in Note 8 ?
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
They appeared to have for mine and my wife's note 8 as well as others who had a note 8 and used those apps correctly.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I didn't use those apps in N8, so was curious.:)

So it appears that Samsung either allowed the Note 8 to fully charge( thus, it goes against their claim of preserving battery health that includes the Note 8) or the apps themselves have been having limitations to measure properly in the S9/S9+/N9 for whatever reasons or lastly, Samsung going forward, took additional steps in S9s, N9 to protect B health that they forgot to take in N8....!
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
My s7e showed on those mentioned "working on older phones" apps at some point from 80% up to 85%(changing in the same app with that big of a difference, as a small one would be normal) between charges that was similar (as charger used, from where charging start and up to 100%). My battery is still doing without a problem 6h SOT and full day of use and working just fine. For me they are approximation and nothing more even on the older phones, but everyone can believe in what he want. Just wondering how one can state that those app worked accurate on his older phone without pulling out the battery and do a controlled lab test/measurement? :)

Note 8 was marketed with low degradation and over 9000 points of battery testing tho while note 9/s9 wasn't ;) so if anything, the battery in the note 9 can be worse as samsung never officially stated what they did for s8/note 8 + the note 8 battery is a lot lower capacity than the note 9 and thus it's pretty possible for them to stressed the note 9 one more so it can be smaller while still 4000mAh.
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
..And attached is the AIDA64's data of my Xioami unit's(about 8 months old) battery when fully charged. This app has been there , for quite some time now. It also has a 4000 mAh battery but charge counter reading is at least not "how much it charged when charged fully".
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
I updated PhoneInfo to the latest version and showed me 94.8% health at 87 uploads. It was not like I have Oreo but I did not have the latest version. It is informing after charge_counter. :)
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
I though of it too,just didn't type the whole thing bcoz I didn't expect you to not update apps regularly ;)
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
I do not update anything automatically. It informs me that there is an update and installs it manually. :)
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
What's your accubattery health showing these days ? I know its not accurate , but still wanted to know. Mines down ro 3598mah now. Aida shows the usual figure.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
Hi!

I do not use any battery measurement application. I have Aida showing 3573mAh after 103 cycles and PhoneInfo showing health 94.5% but he reading counter charge.

I gave up at Pie that it was awful with the battery on exynos and I went back to Oreo.Nice software. :)
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Almost the same , 98 cycles and 94% health phone info.
[Samsung Galaxy Note 9 Questions & Answers] high_voltage:
Those are just an estimations. The true capacity can be measured only if the battery is taken out of the phone and tested with the proper equipment. Actually 100 cycles for 6% drop is quite bad. This will lead to 76% capacity of the original one in just 500 cycles and that's a disaster... it should be 80% in around 1000 cycles. :)
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Correct.
[Samsung Galaxy Note 9 Questions & Answers] nuclearrage:
I have been doing the 80% charge thing for a while. I am not super strict with it, sometimes its 84% sometimes 100 cause I forget and leave it on the charger. I used to think that 80% stuff was crap, but I swear that it really work. This phone seems to me to last forever on a charge.
[Samsung Galaxy Note 9 Questions & Answers] michelino159:
Wow,nice ?

---------- Post added at 06:02 PM ---------- Previous post was at 06:00 PM ----------

But health in PhoneInfo how shows you?
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Screen shot could have been from any device.
[Samsung Galaxy Note 9 Questions & Answers] stiffis:
Here I can confirm that the battery is not 4000mah..
[Samsung Galaxy Note 9 Questions & Answers] stiffis:
Do you have the Snapdragon or Exynos version?
[Samsung Galaxy Note 9 Questions & Answers] nuclearrage:
sorry for the late reply , little busy at work.

I have the US unlocked snapdragon , purchased directly from Samsung on the pre-order.
[Samsung Galaxy Note 9 Questions & Answers] willhemmens:
My Exynos has had 166 Discharge cycles and is at 99.52% in Phone info and although kinda worthless, AccuBattery says 3937mAh. I use a charge limiter to limit to 80%.
[Samsung Galaxy Note 9 Questions & Answers] bober10113:
how did you come up with that reading?(please don't cheap out on the details)
[Samsung Galaxy Note 9 Questions & Answers] stiffis:
I charged the phone from 0 to 100% with standard charging (not fast charging) over night.. Remember that the phone is using a little power at the same time the battery is charging, so the reading should have been over 4000mah..
[Samsung Galaxy Note 9 Questions & Answers] bober10113:
lol...how did you physically take the reading

ie:

directly on the phones battery leads
[Samsung Galaxy Note 9 Questions & Answers] stiffis:
I used a USB-tester.
[Samsung Galaxy Note 9 Questions & Answers] bober10113:
have you ever tested a phone where you got the exact specs rated from the manufacturer using that method?
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
That's interesting, here's s10+ using 80/40 method. I wish I also had the screen shot of my note 9, I forgot the health of that when I sold it, but it also had approx 158 charge discharge cycles but the health was not 99.x like yours. It was lower but still in the 90's.
[Samsung Galaxy Note 9 Questions & Answers] bober10113:
do ure self a favor and block them ads with

dns.adguard.com

add it to the more connection settings / private dns

also you left us note 9 users hanging hi and dry. dont you feel shame coming back!?

lol
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
It's my ***** wife's fault that, getting s10+. My dad did tell me , never listen to a women decision.[emoji23]
[Samsung Galaxy Note 9 Questions & Answers] bober10113:
well he's your dad. chances are he married your mom.... so looks like he did that same mistake.

but hey, it ain't all that bad right? you got born out of the deal no?

lol
[Samsung Galaxy Note 9 Questions & Answers] Virgo_Guy:
S10+ Exynos.

With my 1-100% charging habit , the battery health is 100.0%.

..Can't trust flawed apps.
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Lolz. I'm starting to get pissed off now. [emoji23][emoji106]
[Samsung Galaxy Note 9 Questions & Answers] Limeybastard:
Wife's one.