What is the safest battery percentage range of the Note 9? - Samsung Galaxy Note 9 Questions & Answers

Hello. It has been just 2 days since my Note 9 arrived. Everything is perfect. I wonder about the battery percentage range. I mean, you know, it is harmful to go from "0 to 100" all the time. This is my first Android after 4 years of IOS jail...
What is the safest method? Thank you!

If you search in the Note8 forums I remember reading some posts on battery life/health long term and the general opinion, some backed with links to studies, was that the optimal range was between 40-80%. I'm no expert, but from what I read and looked up at the time, I think that was mostly correct, however I get the impression most people (including myself) don't actually charge their phones that way. I think a lot of posters said they didn't let their phone drain too low, and certainly not to 0, but happily charged them up to 100% every day/night.
As I say, some searching on these forums, or even just googling should give you the answers you want. Hope it helps! ?
Sent from my SM-N950F using XDA Labs

alfred_mcskee said:
If you search in the Note8 forums I remember reading some posts on battery life/health long term and the general opinion, some backed with links to studies, was that the optimal range was between 40-80%. I'm no expert, but from what I read and looked up at the time, I think that was mostly correct, however I get the impression most people (including myself) don't actually charge their phones that way. I think a lot of posters said they didn't let their phone drain too low, and certainly not to 0, but happily charged them up to 100% every day/night.
As I say, some searching on these forums, or even just googling should give you the answers you want. Hope it helps! ?
Click to expand...
Click to collapse
Apparently that is the correct way to charge lithium based batteries. I have my quarrels about it though because of the heating aspect. If the device is charged that way, and the device is heavily used, it will end up getting very hot which is what happens in my case. Heat causes extra wear and tear on batteries, and actually causes them to discharge more rapidly, and take a lot more time to get charged. So using the 20-60% or 30-80% method on a heavily used device just might not be the best way to care for the battery.
I'm still struggling to find a balance of charging on my Note 8. Still haven't found a good solution as yet considering that it's rooted so it's limited to 80% max.

I've been doing the accubattery 40-80% "most" of the year with my Note 8. It claims my 3300mah battery has 3213mah remaining.

Semantics said:
I've been doing the accubattery 40-80% "most" of the year with my Note 8. It claims my 3300mah battery has 3213mah remaining.
Click to expand...
Click to collapse
Thanks for the information. For how long have u been using acubattery and the note 8?

illetyus said:
Thanks for the information. For how long have u been using acubattery and the note 8?
Click to expand...
Click to collapse
Since I got it. I do go to 100% when I'm tethering for long periods of time so there have been many times when the phone was topped off. I normally do the 80% though and the battery has held up well. I've had the Note 8 since release.

There are so many studies and opinions about this subject. Its like diet, one day we should eat margarine and not butter the next study shows the complete opposite?
To that end, as yet I don't think we are going to get a positive, reliable, professional answer?
Battery paranoia is not healthy been there. Just use the mobile and enjoy it.
Ryland

Been doing the 40-80% as best I can since ownership.
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Let it works for you, don't work for it.

Zanr Zij said:
Let it works for you, don't work for it.
Click to expand...
Click to collapse
So true.
Sent from my SM-N950U using Tapatalk

Just playing devil's advocate..... But isn't only charging to 80% and basically not using 20% worse than over the course of say a year, losing 15% battery health??? Your still getting more battery use and over the course of time much more hours of usage. Unless your plan is to have the phone for 2+ years which most ppl on XDA don't do.

nique0201 said:
Just playing devil's advocate..... But isn't only charging to 80% and basically not using 20% worse than over the course of say a year, losing 15% battery health??? Your still getting more battery use and over the course of time much more hours of usage. Unless your plan is to have the phone for 2+ years which most ppl on XDA don't do.
Click to expand...
Click to collapse
I don't get the point of sweatin' over the battery.
Why waste your time and worry,seems like people are still stuck in the mindset of 2013 or so.
Just top.it off overnight, or, while you're getting ready for work/etc & it should have enough juice for the day.
It's akin to having a garaged sports car & never taking it out for a drive, why bother.....
Sent from my Galaxy Note 5 using XDA Labs

Related

1850 mAh Extended Batteries from eBay

simply WOW!
Before you continue, jump to post # 87 http://forum.xda-developers.com/showpost.php?p=10913484&postcount=87​
so far so good, it's been almost the end of the work day and it's still on 74%
i'm going to run it a few more days, before i give my recommendations
also i'll reset the counter tonight midnight, and let it run a whole normal daily cycle to see how long it can last without recharging.
then repeat the process with the stock 1500 mAh battery
but just for reference, the stock battery by this time of the day, is already way down to 50% or less
sorry shaky hands
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open eBay website
then search for item 220683021453
[1850 mAh Extended Battery] Here are the pictures you've all been waiting for...
... old results, new ones will come on Monday, to capture the same info captured on the stock 1500 mAh test
[1500 mAh Stock Battery] Results are here
seems like the stock battery last slightly longer in a normal day routine than the extended battery, however by the same time in the morning the stock battery was already down to 63%
How significant is the additional bulge? lol PAUSE.
RaQHoliday said:
How significant is the additional bulge? lol PAUSE.
Click to expand...
Click to collapse
it's a perfect fit
no bulge at all
you'll see in the pictures that i'll be uploading later
So there's no replacement battery cover??!
I think I'm sold already lol
How much was it?
I will definitely get this if there is no battery cover change needed.
Link to the one you got, please?
WHERE DID YOU GET IT!
Link...Now!
Edit: caps=excitment
i posted the link on the other topic "confirmed: behold, batterry .... blah blah blah" topic
http://forum.xda-developers.com/showthread.php?t=876120
AllGamer said:
i posted the link on the other topic "confirmed: behold, batterry .... blah blah blah" topic
http://forum.xda-developers.com/showthread.php?t=876120
Click to expand...
Click to collapse
this one?
http://cgi.ebay.ca/2-Battery-1850mA...021453?pt=PDA_Accessories&hash=item3361bbac8d
I hope this has more juice than the stock ones... normally anything the same size usually doesn't run any longer... heres to hoping it does!
There's been a lot of testing of aftermarket batteries... and they usually hold 70-80% of what they claim, so I'll be really surprised if this battery lasts any longer than the stock Samsung one. If it does, then that's great, I might pick one up, but I'm very skeptical... maybe a placebo effect?
The only way to really test is to get a voltmeter or do some controlled testing like video playback looping.
dinan said:
There's been a lot of testing of aftermarket batteries... and they usually hold 70-80% of what they claim, so I'll be really surprised if this battery lasts any longer than the stock Samsung one. If it does, then that's great, I might pick one up, but I'm very skeptical... maybe a placebo effect?
Click to expand...
Click to collapse
agreed, cant remember that site off the top of my head but it was pretty sad. However, if this battery indeed does better I would invest in one asap.
Better to risk $20 rather than $50 on Sedio's worthless 100 mah increase battery.
Picked up a set for myself. What is the correct way to cycle new batteries to give it the best performance ?
http://cgi.ebay.ca/2-Battery-1850mA...021453?pt=PDA_Accessories&hash=item3361bbac8d
sapienta said:
Picked up a set for myself. What is the correct way to cycle new batteries to give it the best performance ?
http://cgi.ebay.ca/2-Battery-1850mA...021453?pt=PDA_Accessories&hash=item3361bbac8d
Click to expand...
Click to collapse
Search for some of the threads from the NS release day youll find plenty of different ideas and theories
Order mine today. How long did it take to come?
Believers b3ar fruit with their Nexus S.....
sapienta said:
Picked up a set for myself. What is the correct way to cycle new batteries to give it the best performance ?
Click to expand...
Click to collapse
Lithium-ion is a low maintenance battery, an advantage that most other chemistries cannot claim. There is no memory and no scheduled cycling is required to prolong the battery's life.
Click to expand...
Click to collapse
http://batteryuniversity.com/learn/article/is_lithium_ion_the_ideal_battery
There is only one way to charge lithium-based batteries. The so-called 'miracle chargers', which claim to restore and prolong batteries, do not exist for lithium chemistries. Neither does super-fast charging apply. Manufacturers of lithium-ion cells have very strict guidelines in charge procedures and the pack should be charged as per the manufacturers "typical" charge technique.
Lithium-ion is a very clean system and does not need priming as nickel-based batteries do. The 1st charge is no different to the 5th or the 50th charge. Stickers instructing to charge the battery for 8 hours or more for the first time may be a leftover from the nickel battery days.
Click to expand...
Click to collapse
http://batteryuniversity.com/index.php/learn/article/charging_lithium_ion_batteries
Although lithium-ion is memory-free in terms of performance deterioration, batteries with fuel gauges exhibit what engineers refer to as "digital memory". Here is the reason: Short discharges with subsequent recharges do not provide the periodic calibration needed to synchronize the fuel gauge with the battery's state-of-charge. A deliberate full discharge and recharge every 30 charges corrects this problem.
Click to expand...
Click to collapse
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
That's what I thought. Thanks for clearing that up. You were very helpful
So that eBay link will for sure work?
Sent from my Nexus S using Tapatalk
robstunner said:
So that eBay link will for sure work?
Click to expand...
Click to collapse
I hope so. I just ordered.
Here's hoping that all of our Nexuses don't explode...

review:my first note 2 extended battery

Finally get my note 2 first extended battery. I recently found out my Note 2’s battery is not as good as it came with out of the box(used almost a year), so I decided picked up new batteries and I received these two batteries(8500mah/4500mah) a week ago. Though I didn't take any screenshot yet but I must post them later cuz I am really impressed that how much extra juice it gives me! Yesterday I test it with GPS on 2+ hrs, played games for 1hr 40min, watched a movie and huge mounts of streaming videos, musics, etc. Actually this is my normal day usage and I am completely satisfied with the result: from full charge to I went to bed it still remain almost half juice(about 4 hours of screen on time)!
This is the bulky one. They provide a extra case, fits great but I want one look better...
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This thing easily beyond all other OEM batteries for my other previous phones in battery life. Sure, it will be a bit expensive than those OEM but I think it already a pretty decend price in such quality. I'm really a heavy user and I hope this battery will be still awesome even after a few charge cycles.
also buy a small one as alternative, but not use yet. MPJ said it works as good as the original one.
So you post zero information about the battery itself? Manufacturer, model number, capacity, price, link??
Sent from my SPH-L900 using Tapatalk
Is it an OEM extended battery or what?
Braneless said:
So you post zero information about the battery itself? Manufacturer, model number, capacity, price, link??
Sent from my SPH-L900 using Tapatalk
Click to expand...
Click to collapse
errr, i can't post any link yet since am new in here, but about to post some pics, uploding now, thanks for replying budy
SpeakerBox225 said:
Is it an OEM extended battery or what?
Click to expand...
Click to collapse
no..not an OEM one. I bought some OEM batteries for my previous S3 worked not bad but not giving too much extra juice so i tried some new on my note 2 this time... uploading pics now
My two cents
molybear said:
no..not an OEM one. I bought some OEM batteries for my previous S3 worked not bad but not giving too much extra juice so i tried some new on my note 2 this time... uploading pics now
Click to expand...
Click to collapse
i think that it is not even important if it is OEM or not. I also use an extended batt from Mugen, and I am quite happy with it. The only important issues are: whether or not they deliver the extended juice you bought them for, and to be able to recharge and provide enough useage cycles to make them cost effective. And, by the way, from the image I believe it is not a battery, but a "battRery". Cheers.
Phat extended battery is probaly less than 6200mah and that supposedly 4500mah stock battery is more than likely less than the 3100 mah stock battery. Not trying to come off rude, but only companies I ever have trusted were Anker, ZeroLemon, Qcell and even tho its too damn pricy... Mugen.
Sent from my note 2 ya bish!
There is no way that either of these are the mAh they claim.
Both are too small.
Come on guys. Please peel off the labels before posting a review of a battery claiming magical properties.
Sent from my SAMSUNG-SGH-I317 using Tapatalk
mihailuican said:
i think that it is not even important if it is OEM or not. I also use an extended batt from Mugen, and I am quite happy with it. The only important issues are: whether or not they deliver the extended juice you bought them for, and to be able to recharge and provide enough useage cycles to make them cost effective. And, by the way, from the image I believe it is not a battery, but a "battRery". Cheers.
Click to expand...
Click to collapse
lol...yes,i saw the "battrery" before buying it and i thought i shouldn't rule it out only based on this xD.. I have to spend time to see whether they are able to provide hundreds charge cycles as the advertisement claimed. Personally, i also agree with all you guys that their adverts are exaggerating, but since it is my first time, am pretty satisfied to see my note 2 is able to last 2 days out of a charge
Clarification
molybear said:
lol...yes,i saw the "battrery" before buying it and i thought i shouldn't rule it out only based on this xD.. I have to spend time to see whether they are able to provide hundreds charge cycles as the advertisement claimed. Personally, i also agree with all you guys that their adverts are exaggerating, but since it is my first time, am pretty satisfied to see my note 2 is able to last 2 days out of a charge
Click to expand...
Click to collapse
I agree with you guys. Exagerating or not, for example (and God is my witness I do not work for either of them manufacturers) my 6 month old Mugen 6400mAh (as advertised) gives me real extended performance (1) light phone useage as in several phone calls and sms daily - battery lasted 14 days until 10%; (2) average useage as in music player for maybe 6 hours of flac while fishing, some fm radio (3-4 hrs maybe), continous barometer and weather station for 24 hrs, 2 hours of bluetooth gps navigation, double number of calls than in case 1 and longer, 10 minute calls... like... used up appx 20% of battery in 24 hrs; I have not yet used the phone HEAVILY to have relevant info... (can't watch movies while fishing but I'll try) but I believe these figures make me feel that my battery is much MORE powerfull than stock 3200 mAh of the Note2.... I don't know if proportionally (double) stronger to the price differential compard to stock (Mugen is like 100USD) but I really am happy since I can leave for several days without feeling pressurized by the need of recharge.... Cheers.
Further update please.

Quick charger Killing My Battery

I have been using quick charger to charger my N6 since I got this phone in 12/2014. I had no problem until recently my phone will power off itself when its battery gets to 15%. Before, 15%of better life will lasts me another 15-30 mins. I charges 2-3 times a day using quick charger and I think it's killing the battery!!! Anyone had similar issue?
android.vibrant said:
I have been using quick charger to charger my N6 since I got this phone in 12/2014. I had no problem until recently my phone will power off itself when its battery gets to 15%. Before, 15%of better life will lasts me another 15-30 mins. I charges 2-3 times a day using quick charger and I think it's killing the battery!!! Anyone had similar issue?
Click to expand...
Click to collapse
and what evidence do you have thst the quick charger is "killing the battery"? i mean wheres your proof? i think doesnt prove anything. your battery stats just need to ne recalibrated.
How do I recalibrate?
Dude... Your battery is almost 1 year old... It's normal for the battery to start going weird with normal use between a year and 18 months however, you charging the phone 2 to 3 times a day isn't great and is likely a cause for your issue... I charge mine once a day.
There is a thread somewhere here in The N6 forum to possibly fix your issue.
graydiggy said:
Dude... Your battery is almost 1 year old... It's normal for the battery to start going weird with normal use between a year and 18 months however, you charging the phone 2 to 3 times a day isn't great and is likely a cause for your issue... I charge mine once a day.
There is a thread somewhere here in The N6 forum to possibly fix your issue.
Click to expand...
Click to collapse
i charge mine several times a day, sometimes all day. with all my nexus devices. never had any issues.
simms22 said:
and what evidence do you have thst the quick charger is "killing the battery"? i mean wheres your proof? i think doesnt prove anything. your battery stats just need to ne recalibrated.
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Will that be a proof? Phone died at 30% discharge.
android.vibrant said:
View attachment 3442396
Will that be a proof? Phone died at 30% discharge.
Click to expand...
Click to collapse
lol, no. thats a battery stat, and ive seen them much wierder than yours. that has no evidence that charging using the default supplied charger is destroying your battery. but.. it might show that you have an issue, just not the issue that you think it is.
simms22 said:
lol, no. thats a battery stat, and ive seen them much wierder than yours. that has no evidence that charging using the default supplied charger is destroying your battery.
Click to expand...
Click to collapse
I'm just trying to figure out what happened. I know you said about battery calibration; but why my phone dies at 30%? I think I might need a replacement!
Its a nexus 6 thing, the internal power supply hardware for this phone is cheap and "just enough" to power the phone. When the voltage on the battery drops from being drained the cpu shuts down as a fail safe, the 5.1 update "fixed" the issue by underclocking the cpu and gpu at 40% battery (iirc) and unplugging cores at <20%. Many custom kernels remove this for performance boosting but then some phones run into the power supply issues usually in the lower binned chips (ones with higher voltage tables). Age likely doesn't help anything and a quick charge probably doesn't either. There's a big post about it on the zen kernel thread.
It's more of a Nexus thing. My N7 2013 does this all the time. Happened only a few months after release. Download an app called Battery Calibrator. Can't remember if I got it from here or from the PlayStore. It requires root access.
So.....are you on a custom rom or stock? If custom rom there's your problem right there, check for an update. If on stock also make sure your on the latest build. If all else fails do a factory reset. If problems persists just put in a warranty claim with Motorola.

NEW Thread, Battery Life (SOT) for Note 8 on Android Oreo!!!!!!

Post your most recent batter life number if you have a note 8 on the new android oreo update, lets compare and see how we can maximize use
Again, really? Just use it and recharge when required...
OnnoJ said:
Again, really? Just use it and recharge when required...
Click to expand...
Click to collapse
I'm bot usually that guy, but I tend to agree with this guy. Do we really need to obsess over how long we can use the device before the battery dies?
I've found that just using the device without caring how long it lasts, I get way longer than expected battery life.
The problem with this is, everyone uses their phone differently. So unless people will tell us how bright the screen was, using wifi, 4g, gaming, Facebook and for how long, etc etc, it would be pointless IMO. If you want better battery life, reduce brightness, as this is the biggest drain on the battery, stop all syncing, remove apps like Facebook, reduce the resolution, turn on power saving and turn off animations or put them to .5.
Exactly & agree on all the above. SOT is so over rated & it's easily to manipulate the results. I mean I have posted my SOTs before but I use it only for comparison, ie rom & kernel testing based on my own phone usage. Comparing SOT with others' results doesn't really mean anything except to those looking for some kind of useless bragging rights.
I find the Oreo update sucks. I dont know if its just me. my phones gets heated for no reason, even if its not being used or charging. Battery Life sucks so downgraded the Noughat. Happy to have the 5-7hours SOT and less heated phone.
Whats with these guys and the excessive use of exclamation marks? AND not reading before posting? There are several threads about this topic
sorry, I know some of you are just enjoy the phone etc, Im trying to find out what other people are getting as I seem to be draining pretty bad, when I use better battery stats it shows wifi running 100% despite it being off
Battery life dropped a lot with the Oreo update for me, har resetting, cache resetting nothing is helping. I get tops 3 and a half hours.
Yeah Oreo sucks I got only 3.5 hours SOT now back on Nougat I'm getting again 5-7 hours SOT
Didnt want to open a new thread for another Battery consultation. I have the 950U1 model and after upgrading to Oreo ive had an average of 1 hour and 15 min of Screen time and it drained my battery %6. Is that within the norms of how it is? Just curious.
Alek7 said:
Yeah Oreo sucks I got only 3.5 hours SOT now back on Nougat I'm getting again 5-7 hours SOT
Click to expand...
Click to collapse
infrasonic13 said:
Battery life dropped a lot with the Oreo update for me, har resetting, cache resetting nothing is helping. I get tops 3 and a half hours.
Click to expand...
Click to collapse
You guys make me regret getting oreo,i think i should go back to nougat, are you getting 5-7 with what seeting im thinking I should roll back?
Alek7 said:
Yeah Oreo sucks I got only 3.5 hours SOT now back on Nougat I'm getting again 5-7 hours SOT
Click to expand...
Click to collapse
Anyway, this is very strange as the majority is having possitive feedback on battery life, also the Oreo itself is having some battery (app) optimizations that should help... but no!
I started other thread asking for opinions about the OTA oreo, I mean only OTA, as some got their oreo in beta or cross flashing from other countries, or changing some parts, In my country we dont have OTA oreo yet, at least for officially distribuited devices which are ALL branded, (locked or unlocked), as samsung does not sell cellphones to consumers directly in Mexico, only through 3 carriers,but all these comments make doubt about updating from nougat, reading this thread has made my uncertainty bigger, in the meantime, I disabled OTA updates, just in case, maybe waiting for Oreo 8.1 would be better
nandroidint said:
You guys make me regret getting oreo,i think i should go back to nougat, are you getting 5-7 with what seeting im thinking I should roll back?
Click to expand...
Click to collapse
I am using Performance mode with no Brightness increase and AOD is always on.
scoutingwraith said:
Didnt want to open a new thread for another Battery consultation. I have the 950U1 model and after upgrading to Oreo ive had an average of 1 hour and 15 min of Screen time and it drained my battery %6. Is that within the norms of how it is? Just curious.
Click to expand...
Click to collapse
You can't accurately judge/assess battery life in increments. Go through a few full cycles and see what averages out.
A complete disaster. That Dip is 45 minutes paying music with the screen off.
I've had it for two weeks, cleared cache and dalvik all that. I need know how to downgrade.
Google has been iffy. I have the unlocked Samsung note 8, I use it on Verizon. Bought it directly from Sammy
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I have achieved 1800 hours Screen Off Time. Even better when the device is powered down totally. Quite amamzing.
There are other threads with the same topic.

Question Accubattery showing Battery health at 47% for a new phone (1 month old)

I purchased this about a month ago. I have been reading a lot of posts out here about people having fairly low battery life. So I had installed Accubattery to see if the discharge is abnormal. I checked today and it seems like Accubattery is claiming that my battery is only at 50~% health. Now I am unsure that if this is because it is a genuine fault or because this phone is supposed to have 2 2500mAh batteries and Accubattery is detecting only one of them. Any idea about this?
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What are your SOT vs battery percent used?
History tab...
blackhawk said:
What are your SOT vs battery percent used?
History tab...
Click to expand...
Click to collapse
I've had my 11T Pro for roughly two weeks and I have the same issue.
It doesn't read charging speed correctly which confuses it's health calculations.
I'm sure your phone is fine.
scaryterry2903 said:
View attachment 5539025
Click to expand...
Click to collapse
Those SOT numbers seem erratic. Some reasonable, others look impossible.
When you're using the browser not watching vids the usage should low.
As the previous poster mentioned it may just not have good sensing for battery usage.
Accubattery is only as good as the data it's getting. Even then it can screw up. I don't understand what's going on there.
Rather strange. I don't have that phone so I don't know what it's nominal run time should be. If it's running cool and you can get 8-10 hours SOT you're probably in the ball park.
blackhawk said:
Those SOT numbers seem erratic. Some reasonable, others look impossible.
When you're using the browser not watching vids the usage should low.
As the previous poster mentioned it may just not have good sensing for battery usage.
Accubattery is only as good as the data it's getting. Even then it can screw up. I don't understand what's going on there.
Rather strange. I don't have that phone so I don't know what it's nominal run time should be. If it's running cool and you can get 8-10 hours SOT you're probably in the ball park.
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Hmmm, okay. I'll continue observing my phone's behaviour then. I do get over 8-10 hours SOT on medium usage. Additionally, I read from other threads that the 120W charger isn't charging the phone fully and it makes sense to charge with a lower power charger. So I will try that as well. Will keep this thread updated if I see any improvements.
Accubattery doesn't work well with dual battery setup, that's why it's showing Battery health at 47%.
Set design capacity to 2500.
11T PRO has 2x 2500mah battery for ultra fast charging. Set the design capacity to 2500 and you will be fine.
Pichulec said:
11T PRO has 2x 2500mah battery for ultra fast charging. Set the design capacity to 2500 and you will be fine.
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This presents a potential problem in the future as one battery can degrade and fail independently of the other. You really need to be able to monitoring both.
If the manufacturer designed it properly each battery should have its own power controller in a perfect world. Not sure if this is so on any of the dual battery phones...
blackhawk said:
This presents a potential problem in the future as one battery can degrade and fail independently of the other. You really need to be able to monitoring both.
If the manufacturer designed it properly each battery should have its own power controller in a perfect world. Not sure if this is so on any of the dual battery phones...
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I reached out to Accubattery support team and this was their reply.
Link from the email

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