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hi!
guys, when should i charge the Galaxy S battery to maximize his life?
In my old phone, i only charge it when the phone shuts down himself. It can run for 7 days with no problems until i need to charge again.
Should i do the same thing with Galaxy S battery?
Well, when i need to connect the phone to the PC using USB cable, it will charge anyway. Is it bad? Should i do it only when i know the battery needs to be charged (when it has low battery)?
any time you want
it should always be topped up, there is no memory effect
Some people say that we should charge when the phone has 25% or 30% of the battery. And every month we should make a complete charge and discharge.
Is this a good method to keep the battery ok?
best way is to cycle through 2 or 3 batteries
charge them full
then use them down until you get the warning, and change to new battery pack, then take the used battery to the charger
http://forum.xda-developers.com/showthread.php?t=733705
Although I don't really have any definite sources to back this up, I've read several places that Li-Ion and Li-Polymer batteries can (and even should) be charged as often as possible. You should avoid letting them run flat, apparently.
What is certain though, is that they themselves have no memory effect like NiCd and NiMh batteries have.
our SGS will nag you to death as soon as it reaches 10%, and it will constantly annoys you to charge the battery at 5%
so, no worry about running flat
Technically to maximize the life (ie. capacity) of a Li-ion battery you should charge to full when it gets down to 40%.
The cooler the ambient temperature the better - A Li-ion battery operating at 25 degrees C will lose 20% of its capacity in one year. Higher temperatures drastically increase this degradation.
Given that most people will move to a newer phone after 2 years or so, and spare batteries are cheap as chips, it doesn't make a whole lot of difference.
So, people say that we should charge the battery when it has 30-40% of the capacity.
But what is the thechnical explanation?
Sent from my GT-I9000 using XDA App
that's exactly what i would like to know as well at 30%-40% will make the battery totally useless if that is true
might as well take the phone with a super long extension cold with you if that were true
LMAO
AllGamer said:
best way is to cycle through 2 or 3 batteries
charge them full
then use them down until you get the warning, and change to new battery pack, then take the used battery to the charger
http://forum.xda-developers.com/showthread.php?t=733705
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Click to collapse
I don't think that would be the best strategy, AFAIK (and read)
Li-ion packs prefer more frequent charges, even if after partial discharges, than full charge-discharge cycles.
Its also not good to store the pack fully charged. Best to store at 40% charge.
Following these 2 concepts, I imagine its better to charge the battery as often as possible, like every day, than to let it discharge until you get the warning.
Also, if you cycle through several packs, letting each one discharge almost completely, then charge it fully and move to a different pack like you suggested, that means you will be letting the battery unused at full charge for a longer period (the more packages you use, the longer the pack will stay stored at full charge).
Thats how I understand the behavior of those batteries. Just my 2 cents.
Paulo
I will say what the first reply said, charge as often as you feel you have time. Do not wait for any percentage of drain. There is no memory effect and yes about once a month do one full uninterrupted cycle. The point of which is to let the device's power management recalibrate where 0 (or thereabouts and 100% of the current fill are.
Cooler is better, this is also true.
All educated advice on Li-Ion batteries is that they remain healthier for longer the fuller they are, but the chemicals must be exercised occasionally, thus the full charge cycle in one go.
One charge cycle also actually counts over multiple charges, and not just uninterrupted ones. You can drain then charge 25% 4 times and that is counted as one cycle for these batteries.
I have always stuck to this advice since I learnt of it several years back and I find my batteries work better and longer than many people I know (who stick with drain, charge methods (lack of updated information).
i agree with nailerr
Simply charge it when you need to. It's better to have a fully charged battery when you need it, than run out of battery when an important call is coming through
So, the main reason to charge it with 30%-40% left is to avoid the battery heat too much?
I found this: h**p://batterycare.net/en/guide.html
It says more or less what you guys said here.
But you need to know that i always charge from 0% to 100% my old phone. It is 4 years old and it has no problems with the battery. It can run up to 7 days without any charge... Looks like charge it that way is not so bad anyway i guess...
I have always thought that the amperage of a battery made no difference to the voltage due to the factory adjusting the internal resistance of the battery. Amperage I understood was measured in current, however, which does have an effect on overall voltage.
Recall:
V = I * R
With electronics, it is my understanding that the mAh battery doesn't matter as long as the voltage is the same, although you'd get less longevity out of a 1650 mAh vs a 1440 mAh.
Thus, I believe this battery would work. Thoughts? The part number matches exactly what was in my Nexus S and the batteries look identical. If this is the case, save yourself some money buy not searching Nexus S battery and instead searching ab653850ca in eBay instead of paying $30-$40 for a new/replacement Nexus S battery when they are the same thing.
http://cgi.ebay.com/NEW-OEM-SAMSUNG...Accessories&hash=item3a5dd479e2#ht_1287wt_900
Thoughts? Both are 3.7 volts.
mAh is a unit of electric charge, not current (notice the 'h' making it milli-Ampere-hour). So, yes, a lower mAh battery will definitely work, but it will last less time.
Also (just trying to explain better) a battery is not a "powered resistor", so the relationship between its voltage and its current is not just ohm's law (the one you recall). More specifically, the 3.7 volts is due to the chemical reaction inside the battery and is more or less fixed (although it decreases as the battery discharges). The current flowing is basically a function of the load of the battery, so it changes according to what parts of the phone are working at that moment. The output resistance of the battery is a formal way of describing how close the battery is to an ideal voltage source and is not related to the amount of current it's actually providing.
Sorry if I was not clear enough, it's late here!
Missed the h. Not sure why, I see mA all the time and I just missed the h. Interesting and helpful. Thanks man. Clear to me.
That's strange, if it is the same model (AB653850CA), why is it only 1440mAh? But I'm sure it will work.
All I know is that this Samsung Moment battery I got off of Amazon for $6 is almost as good as my stock battery.
Sent from my Nexus S using XDA Premium App
The 1440mAh batteries work perfect, I have 2 of them. While you are at it, buy a wall charger to charge them in so they will charge to 100%. Having 2 spares means you will always have a FULLY charged battery to pop in and never have to tether the phone to a charger. Plus you get 2 to 4 extra hours of use.
Very informative!
turbodroid said:
Plus you get 2 to 4 extra hours of use.
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Click to collapse
What do you mean by that ? That the 1440 mAh battery only gives you 2-4 hours ? I doubt it lasts so little time. I hope it doesn't.
No he means charging the batteries in an external charger gives them a more complete charge as I find the same thing. I've got 2 genuine batteries and a third on the way and the external charger charges them to 100% whereas the phone only charges them to around 95%. The batteries charged in the external charger last longer than those charged in the phone.
Hard to know when you're legitimately getting a battery with "more capacity" though, so I just assume I'm always buying another stock battery anyways.
maltloaf said:
No he means charging the batteries in an external charger gives them a more complete charge as I find the same thing. I've got 2 genuine batteries and a third on the way and the external charger charges them to 100% whereas the phone only charges them to around 95%. The batteries charged in the external charger last longer than those charged in the phone.
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Click to collapse
Oh, I got it, thanks !
Anyway, for 6$, I think I'm going to buy one, too. Coupled with the 2nd battery dock, it should work flawlessly.
Hey guys,
I went ahead and ordered one of these too. I noticed that the Watts/hour is 5.55 on the Nexus S battery but on the battery I ordered (but have yet to get in) it says 5.3. Is this going to make a difference outside of how long the battery lasts?
If you guys buy one of these 1440s report back with what you've found out.
And if this is a success, then please urge XDA to sticky this thread or put this on the main page. Paying $50 for a second/replacement Nexus S battery is outrageous, and if this saves my fellow XDA members $45, more people should know about this. :]
UPDATE:
Looks like turbodroid already ordered these and said they work great! Thanks guys! Thank me if this was helpful.
Disclaimer: I know there is already another thread on Mugen HD2 Extended Battery 2,600mAh, but I would like to state that this is an official review since Mugen has provided me with a review unit to debunk the many bad comments given concerning their battery quality. This you can read from http://forum.xda-developers.com/showthread.php?t=1294124.
[BACKGROUND]
I have contacted www.mugen-power-batteries.com directly after hearing many comments concerning their false claims. I was surprised that they actually responded by providing me a review unit of the 2,600mAh. It is now on the way.
My review unit will be coming in about 2 weeks time. I will try to conduct an extensive review to determine the actual worth of the battery and whether they work as advertised. I will be conducting a few tests specifically on the battery, as objectively as possible. This would cover video playing, 3G usage, full valuation of the battery charge (using battery widget pro) to name a few.
If you would like a particular test to be conducted on the battery, please state and give a few ideas below. I will be comparing them against the original 1,230mAh from HTC.
I think as faithful users of our HTC HD2, I would really want to get the best extended battery. If this provides even 90% of the advertised capacity, it is already worth the money. Anything less would be pointless.
Thank you.
Larger cell will indeed be good but 2600mAh will be higher than reality as Mugen have admitted this already in a round about way on responses to another testers results.
A new standard HTC cell & new standard size 1500mAh Mugen is the test that needs to be done.
Any chance of a sample 1500mAh review unit ?
Mister B said:
Larger cell will indeed be good but 2600mAh will be higher than reality as Mugen have admitted this already in a round about way on responses to another testers results.
A new standard HTC cell & new standard size 1500mAh Mugen is the test that needs to be done.
Any chance of a sample 1500mAh review unit ?
Click to expand...
Click to collapse
I will try to get a 1,500mAh review unit after this one is done Oh, have Mugen admitted to that? Would be good if you can provide me with the link. Thanks!
Cant Wait for the review
Im Planning on getting one myself a 2,600mAh
BOOKMARKED
erlern said:
I will try to get a 1,500mAh review unit after this one is done Oh, have Mugen admitted to that? Would be good if you can provide me with the link. Thanks!
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Click to collapse
This was response to Dougs battery testing.
Not in any way slating Mugen but the mAh ratings marked on their cells are higher than what would be achieved in any lab test.
1500mah is the one I would love to see tested side by side with genuine cell in device & technician mAh testing.
Mugen cells are ok quality but for the asking price we need total transparency on actual cell capacity ...
I have no idea how good that battery is, but I bought this one about 6 months ago and it's working very well, doesn't gain much heat and it doesn't discharge itself much. Average battery consumption in standby is 6mA. All I can do is recommend you guys this one. And cover is really strong. And it's "bit" cheaper than Mugens
[email protected]/MB434B/review_MB434B.html
looking forward to seeing your test results...i just got me a 2400mAh battery and it lasts me about 15hours under heavy use...
Hi guys,
Sorry for the silence... I just received the battery today! Give me some time to get it charged and conditioned for testing
Let me know what else you would like me to test it with.
Display use is interesting for me, such like browsing etc.
Open a browser with some ads or something and look how long the Battery live..
My Galaxy SII gets there 4,5h.
Start the Match
Idc really care about that battery. I know its fake, but is there any real battery that's better then the original stock? 1400, 1450, 1500?? Not the fat ones with the kickstand
Just an update, I am still conditioning the battery. The first charge/recharge was really pathetic, at 12 hours before it was flat (moderate-heavy use). The second charge/recharge is much improved, I am on 25 hours on (moderate use) with 25% left (taking pictures, listening to music, games, surfing, etc.). I will begin formal testing after 4 full runs to find the optimum condition.
One things I have to say is that the ROM does play a high factor. I was on Dorimanx 3.0 and somehow the governors for oc/uc is not working properly as I kept getting some high drainage. Once I reverted to 2.9, the drainage was gone and it seems to sip battery at a much, much lower rate.
So many factors!!!!
By the way, I really like the battery cover. It is not cheap like the other China made products (unlabelled). I have already 4 different covers, and while I would prefer a metal back cover, this is the 2nd best
Can You please also start the heavy display usage test?
And put some pics please
Greetings
erlern said:
Just an update, I am still conditioning the battery. The first charge/recharge was really pathetic, at 12 hours before it was flat (moderate-heavy use). The second charge/recharge is much improved, I am on 25 hours on (moderate use) with 25% left (taking pictures, listening to music, games, surfing, etc.). I will begin formal testing after 4 full runs to find the optimum condition.
One things I have to say is that the ROM does play a high factor. I was on Dorimanx 3.0 and somehow the governors for oc/uc is not working properly as I kept getting some high drainage. Once I reverted to 2.9, the drainage was gone and it seems to sip battery at a much, much lower rate.
So many factors!!!!
By the way, I really like the battery cover. It is not cheap like the other China made products (unlabelled). I have already 4 different covers, and while I would prefer a metal back cover, this is the 2nd best
Click to expand...
Click to collapse
I have a few questions which i hope you dont mind answering:-
1. How did you recondition the battery?
2. Does your kernel recognise the battery's full capacity or do you do a battery pull then it jumps back up significantly? Im facing this problem at the moment...
thank you in advance!
how long will the battery last for heavy use like playing 3d games?this is important as i use my phone for gaming most
damnshah said:
I have a few questions which i hope you dont mind answering:-
1. How did you recondition the battery?
2. Does your kernel recognise the battery's full capacity or do you do a battery pull then it jumps back up significantly? Im facing this problem at the moment...
thank you in advance!
Click to expand...
Click to collapse
1) I conditioning it by charging it overnight for 6-8 hours and then depleting it until it powers off (Actually, this is based on the instructions they gave in the parcel). I need to do it 5 times. Once done, I will be able to charge and stop charging when the indicator hits 100%. I basically use Battery Widget Pro (they have a feature called 'calibration'). Apparently, the battery itself states that it is 2,300mAh, but I think this is not accurate (hence the testing). You will know that the battery is fully charge when the indicator goes down to 0 (zero) mA (shows that the battery is not receiving any more charge).
2) Most cheap batteries have wrong indicators (e.g. temperature detection is not working, no indication of battery capacity). And yes, they suffer the need to 'pull the battery out first' before an additional amount is given. I bought one a while back, apparently one that has 3,000mAh. My observation is that the indicators are really gone. In fact, it will slowly go down to 50%, after which if you pull, it will give you 70%, once it goes down to 15%, it will last for a long while (30 minutes of browsing over 3G) before going down to 14%. Using that battery, I have been able to last 31 hours of moderate use (1 hour of music, 1 hour of gaming - not 3D, a few hours of browsing and a lot of photo taking). It costs only USD12 (thereabouts), which to me is the best deal yet. Down side of that battery is the very poor back battery cover. Using Battery Widget Pro (you have to charge fully and discharge until it shuts down and charge up again continuously), I got an estimated charge capacity of 1900mAh. Not bad don't you think?
The Mugen 2,600mAh easily matches my fake 3,000mAh one. The question is by how much. Sorry for the delay but my HD2 is my daily phone. So, I cant conduct full test like Engadget and other websites. But I'll do my best
relldroid said:
Idc really care about that battery. I know its fake, but is there any real battery that's better then the original stock? 1400, 1450, 1500?? Not the fat ones with the kickstand
Click to expand...
Click to collapse
Try Andida batteries. I had the 1600mAh one and it was slightly better than the original (giving me about 1300mAh). I had that a while back.
After much charging and recharging, I can confirm that the battery has about 2,200+mAh. See the attached images to see the estimated calculation using Battery Widget Pro.
Charging takes about 2 hours plus using the wall charger. The last 2% takes the longest.
As per request I ran 2 emulation apps (sorry, no 3d games), fpse & n64oid. The former ran Strider 2 while the latter ran Legend of Zelda: Ocarina of Time. Do note that I have overclocked my phone to 1.6ghz. All in all, it ran for 4.5 hours with 15% battery left. I'm pretty sure it could have clocked 5hours easily. I think that it is a good performance for 2.2kmAh battery don't you think? See the images below for a read of what other apps I was running. I managed to deplete the whole charge after nearly 10 hours of extremely heavy usage!
What do you guys think? Okay?
Sent from my HD2 using xda premium
[Not the Mugen 2,600mAh Battery]
As an aside, I took and strip out the cheap battery which I bought for USD10, which claimed a 3000mAh, which only was about 2000mAh (+/- 200mAh) and took some photos of it. I can understand these extended batteries better. I am not an electronics person, but this would explain why it takes a restart to 'recognise' the 'remaining' battery on our devices.
Notice that they are basically two lower capacity batteries which are slapped together with the thin connectors and wrapped together with scotch tape.
I am not sure whether Mugen's the same, since it does not suffer from the 'restart-phone-to-get-additional-battery-reflected' scenario. However, I wonder whether there are any manufacturers who would just manufacture a genuine 2000mAh without merely slapping two products together (like in this picture). In light of this, it is much better to carry an external battery charger (anything more than 6,000mAh around!).
Anyone with electronic expertise want to comment on the pictures, please do.
Opps, forgot to add the photos of the battery and the battery cover which I mentioned. I find that after the first fall (yes, I tend to have accidents with my HD2 ... ) there is a slight creeking sound with the battery cover (nothing is chipped though). It is a rubberised battery cover, unlike the original metal cover. Still, the feel of the cover is great to the touch.
I am no longer using this device, but my dad is! It still works and have survived loads of damage... mostly dropping the device with the battery cover!
Hello,
i've recently purchased a new Samsung Galaxy Tab S2. It looks like the tablet had been lying in stock for quite some time, as it only had 28% battery left when i powered it up. The first readings from the monitoring app i use (AccuBattery) estimated an effective capacity of around 5600 mAh out of the 5870 mAh design capacity (95% health). After one full charge cycle, i've been doing small cycles as is advised pretty much everywhere when dealing with Li-Ion batteries, never dropping below 20% and never going above 70%. A 50% charge cycle, from 20% to 70%, is worth 10% of a full cycle, according to the app.
Now here's the catch, in just 2 weeks of use, and what must have been 3 cycles' worth of charging tops, the battery health already dropped from 95% to 92%, and is now resting at 5421 mAh estimated capacity. The amount of mAh gained from a 50% charge also reflects this. It's also worth noting that the built in battery indicator shows the same percentages as the app, which would lead me to believe the readings are accurate, or at least that both are either right or wrong.
I find it highly unlikely a barely used battery could lose 3% of its capacity over the span of 2 weeks, so what gives? Could it be the infamous "memory effect" at work, even though Li-Ion batteries are supposed to not be affected by it? Or is the battery bad?
I'd like to shed some light on this topic, as there's a lot of contrasting opinions about it.
So I got my phone when it came out. Wrap charged at home and slow charged(2.1amp) in car. A year plus later accubattery says I've degraded 12% about, about same when I had my Samsung Galaxy s8 plus
Just wait for at least 20-30k mAh total charge at first I started with different values, now, after +80k, i got this.
I think we can keep it until something like 80%, I mean, it is like if you could charge your phone to only the % accubattery shows, if you get for example, 90%, you can only use a real 90% of your full charge, I get 35m sot with 10%, so I lost aprox 40-45m sot due to degradation.
Don't worry, Android 11 could get better battery life.
So your about same, I had about 88,000 % but I just installed RR rom. I also noticed after 90% it takes a lot longer to charge, I know after 90 it's not the full wrap charge speed but it takes like 20 mins or so to get 100
Funny....I just installed AccuBattery a few days ago to measure the same thing. I got my phone in March 2009, and attached are my stats.
March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce
amirage said:
March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce
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You know....I was trying for a snappy comeback for my typo, but I realized that I messed up the year AND the month. I got the phone in September 2019. Please don't ask about March. Not sure what I was thinking there.
AarSyl said:
You know....I was trying for a snappy comeback for my typo, but I realized that I messed up the year AND the month. I got the phone in September 2019. Please don't ask about March. Not sure what I was thinking there.
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Click to collapse
Hahahah..no worries comrade! All good and dandy...hope the COVID situation there is getting better! Stay safe.
amirage said:
March 2009? What phone is this? The very first HTC Google phone? If so, are you willing to sell this phone? 11 years and only 12% degradation...that's phenomenal.
On a different note, I really don't thing the battery design capacity is true to it's word. I recently changed my battery to a new one and it was starting at 96%. It's all a farce
Click to expand...
Click to collapse
I believe it is possible that OnePlus pre-caps charging to 80% or so of the battery's full, true capacity to prevent fast degredation, then uses software to calculate percentage with 100% being 80%. If this were the case, it would explain people using AccuBattery seeing degredation almost consistently at like 10-15% - because the phone simply won't charge that far, so the mAH additions from charging just don't add up to 4000mAH.
To add, this isn't a bad thing at all. This isn't false advertising or anything, as this would be a feature done to prevent batteries from degrading at rapid speeds.
I don't have any proof this is the case, though. Just makes sense to me. I do recommend only using the warp charger to top off during the day, and charging with a regular usb-c charger otherwise, as the warp charging speed is actually bad for the battery life in the long run.
It is fact, though, that charging from 80 to 100% requires significantly more voltage (iirc) than the previous percentages. Think of it like trying to fill a jar to it's limits - as you put more in, you have to shove things in harder and harder , until its mostly full, where putting any more in is getting difficult as there's hardly any room left. This is obviously terrible for not only the battery but also the charging port and the like.
Well after a year you can't expect it to be like brand new. Worrying to much over little things that don't matter to actual life..,.
Ruvaldak said:
I believe it is possible that OnePlus pre-caps charging to 80% or so of the battery's full, true capacity to prevent fast degredation, then uses software to calculate percentage with 100% being 80%. If this were the case, it would explain people using AccuBattery seeing degredation almost consistently at like 10-15% - because the phone simply won't charge that far, so the mAH additions from charging just don't add up to 4000mAH.
To add, this isn't a bad thing at all. This isn't false advertising or anything, as this would be a feature done to prevent batteries from degrading at rapid speeds.
I don't have any proof this is the case, though. Just makes sense to me. I do recommend only using the warp charger to top off during the day, and charging with a regular usb-c charger otherwise, as the warp charging speed is actually bad for the battery life in the long run.
It is fact, though, that charging from 80 to 100% requires significantly more voltage (iirc) than the previous percentages. Think of it like trying to fill a jar to it's limits - as you put more in, you have to shove things in harder and harder , until its mostly full, where putting any more in is getting difficult as there's hardly any room left. This is obviously terrible for not only the battery but also the charging port and the like.
Click to expand...
Click to collapse
All your points are very valid although my contention is not that. It's that a brand new battery (so brand new that it was installed at the service centre) had a life of 96%. This was shown in the oneplus diagnostic app; so where really is the 4000 mAh when a brand new itself starts at 96%
I suspect accubattery is not so accurate. Sure he can do some math to guess the actual capacity but who knows how close it is to the real thing.
One thing here: the battery is considered discharged at around 3.3 volts. This is just to protect the battery, but also it's around 5-7% capacity I'd say. Full discharge for li-ion is around 2.8-3.0 volts, but it's bad to discharge it that much.
So in conclusion, even though your battery has 4000mah, you never get to use it at it's maximum rating because that would damage the battery and render it useless in far less charge cycles than normal.
I would say a better measure is the OnePlus diagnostic app... It lists the degree of degradation under its output
Well I did accubattery when I first got phone, and it showed 3900. Ubreakifix tear down then confirmed that was the actual capicity because in the USA you are allowed to round just like diet should have no sugar but there is zero. What really makes you notice the Degradation is when fast charging takes longer to 100
djhulk2 said:
Well I did accubattery when I first got phone, and it showed 3900. Ubreakifix tear down then confirmed that was the actual capicity because in the USA you are allowed to round just like diet should have no sugar but there is zero. What really makes you notice the Degradation is when fast charging takes longer to 100
Click to expand...
Click to collapse
So the opposite of what you said is true. A battery with a larger capacity or less degradation takes longer to charge to 100% because the kernel and software slows down the charge for the last 10-15%. The less capacity you have the less time it takes to hit "100".
I know the charge slows down after 80%, the closer to 100 the slower. When phone was new it took like 10 to 15 mins later to go from 90 to 100. Now it's taking 15 mins to go from 92 to 95. Having note 5 previously the next Degradation step is when over all charging takes even longer and the battery life is shorter
I don't even worry about battery degradation. I put a wireless receiver on my OnePlus and have wireless charging everywhere. My phone is always around 80 to 100 percent.
I'm a heavy phone user and using accubattery on this phone for a long time now. Got my phone in June 2019 and based on 636 sessions, it shows battery health at 90%. Probably because
1. I haven't charged my phone more than 80% for about 70% of sessions.
2. Because of the large data AB has, it has more accurate estimate.
3. I read that the health section itself is not accurate.
Here's mine (got it second hand in March 2020)
Should I be concerned? I just got the phone back in March new from TMobile