Question Slow charging issue, won't charge above 900mah - OnePlus 9

Oneplus 9 t-mobile version LE2117. The phone will not seem to charge above 900mah and usually will only charge at around 700mah. I've tried multiple chargers and tested my 6t on the same chargers and it is charging at 3000+ on the same charger.
I think this started after transferring all the data from the 6t over to the 9 using Google one. I tried doing a cache wipe in recovery but that didn't help.
I'm rooted and unlocked. Battery charging optimization is off. Any ideas?

Degraded or failed battery; replace it.

blackhawk said:
Degraded or failed battery; replace it.
Click to expand...
Click to collapse
It either started right after I updated to 11.2.9.9 or after I did the restore. I think it's software related. I might do a factory reset if I don't find another solution.

HutchOven said:
It either started right after I updated to 11.2.9.9 or after I did the restore. I think it's software related. I might do a factory reset if I don't find another solution.
Click to expand...
Click to collapse
Batteries can fail overnight... just like that.
If it was at 80% of its original capacity it's degraded and should be replaced.
Any swelling (take a close look) is a failure.
If there's any doubt, replace it as batteries are cheap and it's not worth destroying a phone over.
Power off phone. If it's still exhibiting abnormal charging behavior it's likely hardware. It's possible it could be firmware if the power controller's instruction set was changed.
Otherwise the battery and possibly the power port pcb are the most likely suspects.
Make sure the battery charging start temperature is at least 72°F. A low start temperature will disable fast charging.

blackhawk said:
Batteries can fail overnight... just like that.
If it was at 80% of its original capacity it's degraded and should be replaced.
Any swelling (take a close look) is a failure.
If there's any doubt, replace it as batteries are cheap and it's not worth destroying a phone over.
Power off phone. If it's still exhibiting abnormal charging behavior it's likely hardware. It's possible it could be firmware if the power controller's instruction set was changed.
Otherwise the battery and possibly the power port pcb are the most likely suspects.
Make sure the battery charging start temperature is at least 72°F. A low start temperature will disable fast charging.
Click to expand...
Click to collapse
I did install acc but I've since removed it. Going to try a factory reset and if that doesn't solve it, you are likely correct. I just didn't want to wipe the phone and deal with getting root and all my apps back on it.
Also it has no swelling, start temp is around 90* and the health says good on ampere and the battery doesn't seem to drain fast. It just won't charge fast.

HutchOven said:
I did install acc but I've since removed it. Going to try a factory reset and if that doesn't solve it, you are likely correct. I just didn't want to wipe the phone and deal with getting root and all my apps back on it.
Also it has no swelling, start temp is around 90* and the health says good on ampere and the battery doesn't seem to drain fast. It just won't charge fast.
Click to expand...
Click to collapse
The only reliable parameter is SOT* which of course can vary if you change the set up.
Erratic fast charging or its failing to engage is another sign of a battery failure. Not to repeat but it's worth remembering...
As a battery degrades it's fast/regular charging time will decrease.
New maybe it took 30 seconds to add 1%
Degraded may be 20 seconds for 1%
Less capacity, less charging time.
Regardless if the device is heavily used expect a battery life of 1-2 years. Replacing these I now view as routine maintenance. My N10+'s will get new batteries about every year now. My first one failed shortly before the 1.5 year mark. I was fortunate it didn't damage the display.
*I track this with Accubattery. The history log is it's most useful feature, great for troubleshooting.
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blackhawk said:
The only reliable parameter is SOT* which of course can vary if you change the set up.
Erratic fast charging or its failing to engage is another sign of a battery failure. Not to repeat but it's worth remembering...
As a battery degrades it's fast/regular charging time will decrease.
New maybe it took 30 seconds to add 1%
Degraded may be 20 seconds for 1%
Less capacity, less charging time.
Regardless if the device is heavily used expect a battery life of 1-2 years. Replacing these I now view as routine maintenance. My N10+'s will get new batteries about every year now. My first one failed shortly before the 1.5 year mark. I was fortunate it didn't damage the display.
*I track this with Accubattery. The history log is it's most useful feature, great for troubleshooting.
View attachment 5544251
Click to expand...
Click to collapse
I did a factory reset and battery is still only showing 500-800mah charging. What's weird is the display on the lock screen states its charging rapidly though.
But unfortunately it looks as if you are correct and it was a coincidence that the battery failed some time while updating the phone.

HutchOven said:
I did a factory reset and battery is still only showing 500-800mah charging. What's weird is the display on the lock screen states its charging rapidly though.
But unfortunately it looks as if you are correct and it was a coincidence that the battery failed some time while updating the phone.
Click to expand...
Click to collapse
You can't measure the charge rate with the screen on. The power controller automatically ramps the charge rate down the moment the screen comes on. If you have Accubattery already open and turn the screen on it will display the screen off charge rate for a second until it refreshes.
If it says it's fast charging, it likely is. Verify by rate charged in 10 minutes between 30-70%.
It should be approximately 18-22% for a 4300 mAh battery on a 25w brick (Samsung), but you get the idea.
Regardless it's sound stewardship to replace degraded Li's before they fail, plus it breathes new life into the device.

Related

Battery only charges to 96%

Exactly what the title says. The phone says it has charged completely but the battery is only at 96%. I'm currently draining the battery and I'm going to recharge it, but is this normal? I've had this phone for six months.
souvik1997 said:
Exactly what the title says. The phone says it has charged completely but the battery is only at 96%. I'm currently draining the battery and I'm going to recharge it, but is this normal? I've had this phone for six months.
Click to expand...
Click to collapse
What rom are you on? Wipe your battery stats and cycle it a couple of times and eventually it'll hit 100 or 99 once you unplug
This happens to me as well. if you leave it long enough it will go to 100. it is a calibration error and will not actually hurt battery life, just how it is reported.
souvik1997 said:
Exactly what the title says. The phone says it has charged completely but the battery is only at 96%. I'm currently draining the battery and I'm going to recharge it, but is this normal? I've had this phone for six months.
Click to expand...
Click to collapse
As Jce9182 asked, which rom are you running, and if you're not running any custom rom, are you at least rooted? The issue here sounds like it is most definitely a battery reporting error. This can be fixed by using an app from the market like Battery Calibration. You can also try the following with use of the market app for calibrating the battery. It's best to complete this procedure in the evening before going to bed, so you can leave it at 100% overnight and check in the morning if the issue has been resolved. The whole procedure along with recalibration might take up to 5-6 hours or more!
1. Take the case off your phone (if you're using one, as one of the latter steps involves taking the battery out from the phone while it's plugged in. Make sure your case won't stand in the way.)
2. Install Battery Calibration app from the market: Find it here!
3. Plug in your phone to charge while it's on, and wait until it gets to a 100% (or 96% as it appears in your situation)
4. When the charged, open the Battery Calibration app and look up what the charge is in mV while at fully charged. Write it down.
5. Discharge your phone completely until it shuts off. A good way of doing this quickly is by turning on WiFi, and a video player.
6. Without turning on the phone plug it into a wall charger and let it get to 100% (or 96% if this is all you will be able to see before finishing these steps)
7. When it's charged, without unplugging it from the wall charger, take off the battery cover, and take the battery out. Your phone will "reboot" and show a Missing Battery icon.
8. Without unplugging the phone from the wall charger or turning it on, put the battery back in and wait until the phone recognizes the battery.
9. Your battery should now be recognized by the phone, and showing a charge % significantly lower than 100%. Mine showed only 5%.
10. Let it sit there charging for 2-3 hours. My phone wouldn't charge past 10%, but yours might. The numbers don't matter much as the phone is definitely getting additional charge that could have been lost while flashing ROMs, etc.
11. After 2-3 hours, turn the phone on while holding the volume down button and get into CWM. Do not disconnect it from the charger still!
12. Wipe battery stats in CWM, reboot. Do not disconnect it from the charger still!
13. When the phone turns on, go into Battery Calibration app again and look up your MV numbers- if you were like me, they should be significantly higher than before. Do not disconnect it from the charger still!
14. Before going to sleep - Install Watchdog Task Manager from the market. Go into it's preferences, set CPU threshold to 20%, check "Include phone processes", check "Monitor phone processes", check "Display all phone processes", set system CPU threshhold to 20% as well. Do not disconnect it from the charger still!
15. Make sure your wifi and data connections are off. Now finally unplug the phone from the charger. Go to bed, let your phone sleep too.
16. Success! Next morning check where your battery % is at and if you followed the instructions correctly / got lucky like me, your battery life should be 90% or more. I went to bed with 98% and woke up to 94%. So, I consider this mission a success.
(Your general battery capacity should have increased, even if something still was draining the battery, you will be able to find the infringing process in WatchDog with the settings we've set up in step 14)
Hope this helps... :good:
Apex_Strider said:
2. Install Battery Calibration app from the market: Find it here!
4. When the charged, open the Battery Calibration app and look up what the charge is in mV while at fully charged. Write it down.
13. When the phone turns on, go into Battery Calibration app again and look up your MV numbers- if you were like me, they should be significantly higher than before. Do not disconnect it from the charger still!
Click to expand...
Click to collapse
Should i click "calibration" on battery calibration app?
And what is the MV number that you got after all?
Thanks
kojitabe said:
Should i click "calibration" on battery calibration app?
And what is the MV number that you got after all?
Thanks
Click to expand...
Click to collapse
Click "calibrate" after the phone has been on the charger (wall, not USB to PC charge!) For several hours -preferrably after charging all night- and calibrate using the app in the morning.
The Mv I get at full charge is in the neighborhood of 4351-4353Mv or so:
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[Q] Battery uncalibrated

Hello, forum
I'm running my OPO on PA 4.6. Over the past few weeks, the battery has lost calibration. It dies at 25% and remains at 100% for quite a while. How can I fix this? I'm open to wiping and reflashing.
Thanks
Raptor
Just try using a battery calibration app.
Transmitted via Bacon
timmaaa said:
Just try using a battery calibration app.
Transmitted via Bacon
Click to expand...
Click to collapse
Thanks for your response! The battery calibration app did the trick initially. However, a few days later, the issue seems to be returning. I've decided to just move on to Lollipop.
Once again, thank you.
Raptor
raptor402 said:
Thanks for your response! The battery calibration app did the trick initially. However, a few days later, the issue seems to be returning. I've decided to just move on to Lollipop.
Once again, thank you.
Raptor
Click to expand...
Click to collapse
did it help?
The same happens to me. I'm using the latest Sultan CM13. I'm trying to do a full recalibration - drain it until it refuses to turn on, keep it on the charger for 6+ hours without turning it on (black battery screen) and then repeat the procedure few times. I have some average success and the phone shuts down at about 10% instead of 50-60% but it doesn't seem to be perfectly calibrated just yet.
nitrobg said:
The same happens to me. I'm using the latest Sultan CM13. I'm trying to do a full recalibration - drain it until it refuses to turn on, keep it on the charger for 6+ hours without turning it on (black battery screen) and then repeat the procedure few times. I have some average success and the phone shuts down at about 10% instead of 50-60% but it doesn't seem to be perfectly calibrated just yet.
Click to expand...
Click to collapse
I'm not sure if you're aware, but you're doing some of the worst things you can do to a lithium battery. You should never completely discharge a lithium battery, and you should also refrain from keeping it at peak voltage (connected to charger once charging is complete). If you've done this a few times I'm not at all surprised that the thing shuts off at 10%, you're basically killing the battery and have depleted its overall health and life.
Heisenberg said:
I'm not sure if you're aware, but you're doing some of the worst things you can do to a lithium battery. You should never completely discharge a lithium battery, and you should also refrain from keeping it at peak voltage (connected to charger once charging is complete). If you've done this a few times I'm not at all surprised that the thing shuts off at 10%, you're basically killing the battery and have depleted its overall health and life.
Click to expand...
Click to collapse
I'm fairly sure that the battery has safety measures that prevents it from completely discharging or overcharging. When the battery is discharged, the phone actually turns on and says that the voltage is too low. Above 80% the phone also enters slow charging mode that takes hours to reach 100%.
Also, I'd rather kill my battery a bit faster (an original replacement battery costs just $10) instead of having a miscalibrated battery that could die whenever I need it.
nitrobg said:
I'm fairly sure that the battery has safety measures that prevents it from completely discharging or overcharging. When the battery is discharged, the phone actually turns on and says that the voltage is too low. Above 80% the phone also enters slow charging mode that takes hours to reach 100%.
Also, I'd rather kill my battery a bit faster (an original replacement battery costs just $10) instead of having a miscalibrated battery that could die whenever I need it.
Click to expand...
Click to collapse
Yeah, but by forcing it to drain until it won't turn on you're bypassing that safeguard. The safeguard is the phone switching off before you can discharge it too far. Your phone shouldn't take hours to go from 80% to 100%, that's another sign of bad battery health. If you keep doing these things the battery will be so bad that it will die completely randomly and at random percentages. By using these methods you're going to bring on much sooner the very situation that you're trying to avoid, only much worse. The correct way to calibrate a lithium battery is the following:
1. Charge to 100%
2. Discharge to 5%-10%
3. Charge to 100%
No need to force it to discharge further than is safe, no need to keep it on the charger longer than is necessary (which is pointless anyway), and it only needs to be performed once every month or so.
Heisenberg said:
Yeah, but by forcing it to drain until it won't turn on you're bypassing that safeguard. The safeguard is the phone switching off before you can discharge it too far. Your phone shouldn't take hours to go from 80% to 100%, that's another sign of bad battery health. If you keep doing these things the battery will be so bad that it will die completely randomly and at random percentages. By using these methods you're going to bring on much sooner the very situation that you're trying to avoid, only much worse. The correct way to calibrate a lithium battery is the following:
1. Charge to 100%
2. Discharge to 5%-10%
3. Charge to 100%
No need to force it to discharge further than is safe, no need to keep it on the charger longer than is necessary (which is pointless anyway), and it only needs to be performed once every month or so.
Click to expand...
Click to collapse
The device is turning on, just refusing to boot. You can't really bypass the safeguard, it is always there.
The slow charging phase after 75-80% is a normal function for all modern devices. You could check this review for more information.
I would do the procedure you are talking about but the reported 100% charge is not actually 100% until the device stays on the charger for hours. Otherwise it dies at 40-50% and refuses to boot up. Even if I charge it for hours, it would take a couple of hours or even a day for the battery to report below 100% charge. It could last an entire day with 100% charge and die at 50% the next day. I can never be sure what's the real charge of the battery, this is why I am willing to sacrifice a part of its life just to get a proper reading.
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Short charges tend to miscalibrate the battery... The phone was at 100% for about 24h, it will probably die at about 50%.
Using a battery recalibration works for me. However, every few weeks, I have to recalibrate the battery again. The recalibration process is pretty simple: recharge the battery to 100% and use the app. No need to drain the battery completely after that. Regular use fixes the battery over a few days.
raptor402 said:
Using a battery recalibration works for me. However, every few weeks, I have to recalibrate the battery again. The recalibration process is pretty simple: recharge the battery to 100% and use the app. No need to drain the battery completely after that. Regular use fixes the battery over a few days.
Click to expand...
Click to collapse
which app exactly? root needed?
Sent from my A0001 using Tapatalk
yuval48 said:
which app exactly? root needed?
Sent from my A0001 using Tapatalk
Click to expand...
Click to collapse
The app is Battery Calibration by NeMa. Root needed.
raptor402 said:
Using a battery recalibration works for me. However, every few weeks, I have to recalibrate the battery again. The recalibration process is pretty simple: recharge the battery to 100% and use the app. No need to drain the battery completely after that. Regular use fixes the battery over a few days.
Click to expand...
Click to collapse
so i tried it, but today my opo died at 19%.
how can you be sure that "Regular use fixes the battery over a few days"?
i mean, if today ill recalibrate, when(%) should i recharge? i cant be sure if the phone will die at 20%,10% or 1%..
I posted this somewhere a few days ago..
Turn the device off completely then plug it in. A battery indicator should appear on the screen. Don't turn the device on until it reads 100%. Once it's fully charged, power on the device and leave it plugged in until it's fully booted. All should be well.
Battery calibration apps are mainly for Android emulators on PC to get the Android "battery" indicator to match up with laptops. There are no benefits of running one on an Android device and will actually mess up the calibration MORE unless you use it in tandem with the steps above. Still pointless to use it, though.
Neroga said:
I posted this somewhere a few days ago..
Turn the device off completely then plug it in. A battery indicator should appear on the screen. Don't turn the device on until it reads 100%. Once it's fully charged, power on the device and leave it plugged in until it's fully booted. All should be well.
Battery calibration apps are mainly for Android emulators on PC to get the Android "battery" indicator to match up with laptops. There are no benefits of running one on an Android device and will actually mess up the calibration MORE unless you use it in tandem with the steps above. Still pointless to use it, though.
Click to expand...
Click to collapse
ok it seems to work, but when the battery reached 20+% is suddenly dropped down to 10% (also when i charged it, went up from 10% to 20%)
yuval48 said:
ok it seems to work, but when the battery reached 20+% is suddenly dropped down to 10% (also when i charged it, went up from 10% to 20%)
Click to expand...
Click to collapse
Do it, again. Sometimes it takes a few tries. Better if you let your device get down to ~20% then do it.

Sony Battery (doesn't) Care (at all) (not) working after Pie Update :edited

Howdy...
Today I finally took the OTA to Pie.
And when I plugged my phone this evening I got a Notification about Sony Battery Care, which told me it'll charge my phone slowly.
Whyever it wants to charge until 03:40 in the morning, when my alarm clock is clearly set to 6:30 is a mystery to me.... But whatever Sony.
As it seems it was bugged on Oreo for quite a few people. Did it work for you guys?
I'll do a little testing and check how the charging progress is working now. Next time I'll try to discharge to 1% and charge fully over night. While measuring current and voltage externally. So we can compare to normal charging.
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Edit:
Well.... seems like it breaks really really easily.
After i got this Notification on the Lockscreen i got a call from a friend and unplugged the Phone.
When i was done, about 5 minutes Later i've replugged the phone but BatteryCare didn't want to start again.
Not only didn't it come back that time, i haven't seen the notification since then! Not even once. It simply vanished for good.
So does anyone of you ever use Battery Care? Even on a regular schedule?
Nice wallpaper
Edit:
Well.... seems like it breaks really really easily.
After i got this Notification on the Lockscreen i got a call from a friend and unplugged the Phone.
When i was done, about 5 minutes Later i've replugged the phone but BatteryCare didn't want to start again.
Not only didn't it come back that time, i haven't seen the notification since then! Not even once. It simply vanished for good.
So does anyone of you ever use Battery Care? Even on a regular schedule?
I never saw it.
Even on Oreo.
(I use it since May).
But I only charge it at day until 80% with accubattery.
Yeah battery care doesn't kick in again if you remove it from charge before it's finished. Although I had this with oreo also so I'm kind of used to it.
Who cares about that ? Not me
I don't use Sony battery care, I don't trust it.
But my charger is connected to a programmable wifi plug. It switches on at 5 a.m. Thus, when I wake up, my device is fully charged.
Of course, the aim is to keep the battery level above 90% as short as possible...
So we don't even have a single positive response of it working as advertised?^^
That's pretty sad for Sony.
If you plug and unplugged your device a few times each day or at different hours once a day it won't work.
For example, plug your device between 22h and 23h everyday, after a few days, battery care will turn on.
Envoyé de mon H8266 en utilisant Tapatalk
Well yeah.... sorry i plug my device between 21:00 and 02:00 every 2nd day but i always unplug at 6:50 so AI is too stupid to recognize this scheeme?
Haldi4803 said:
Well yeah.... sorry i plug my device between 21:00 and 02:00 every 2nd day but i always unplug at 6:50 so AI is too stupid to recognize this scheeme?
Click to expand...
Click to collapse
AI are generally somewhat stupid!
Battery care works flawlessly for my xz2.
Each and every night as soon as I connect the charger i get an annoying notification/message sound.
The notification is battery care, I would never get a notification sound before pie. I hope in the next update the sound is again muted.
Should I make my Battery Care learn my habit?
Hershchel Clogs said:
Any time you reverse the charge current is one cycle. How far down you discharge is your depth of discharge. So even if you drain the phone from 80% to 70% and plug it in and only charge it back up to 80%, that's one cycle. What you are saying would be true if you don't discharge the battery at all, similar to what Sony does with their battery care. You can charge lithium in short bursts but if you discharge between those charges then you are cycling your battery. So no, short incomplete charges aren't absolutely detrimental to your battery but will be considered in regards to your overall cycle life. For every 70 millivolt (roughly 10%) drop in voltage during a cycle, your overall cycle life is cut in half. Meaning you'll get twice as many cycles if you only drain your phone to 60% instead of 50%. To take full advantage of the chemistry, it is best to fully charge before discharging. You could expect 2500-3000 cycles at 10% depth of discharge, but only 500-700 or so at 50% depth of discharge before capacity is 70% of what it's rated. This is information I got from Cadex Labratories and deal with on a daily basis at work.
Click to expand...
Click to collapse
Should I follow this suggestion? Or keep small cycle of charges by using accubattery suggestion to plug off when I reach 80%?
Or should I just teach my Battery Care to learn my overnight charging habit and then make use of it when I can? (ie turning it off when I make small charge on the afternoon)
Xperia1 has the revamped battery care settings in which people can input their desired time for the feature to work.. I hope they update ours to work the same way....
Sp12er said:
Should I follow this suggestion? Or keep small cycle of charges by using accubattery suggestion to plug off when I reach 80%?
Or should I just teach my Battery Care to learn my overnight charging habit and then make use of it when I can? (ie turning it off when I make small charge on the afternoon)
Xperia1 has the revamped battery care settings in which people can input their desired time for the feature to work.. I hope they update ours to work the same way....
Click to expand...
Click to collapse
You can use the app "battery charge limit"
It just deactivates the charging at the desired hysteresis.
Keep in mind that the discharge is slightly higher with a connected USB device, because only the charging is deactivated, not the USB port.
(Needs root)
I charge every of the devices I maintain since years to 80% and the battery is still fine.
For me battery care works fine, i plug muy Xz2 at the same hour every night, so i dont have complains
I don't know when they added it, but you can finally set a custom Time
Fkn AI Learning didn't work at all...
And it seems to work pretty fine
Battery care not detected time in xperia xz1 G8342
My Xperia xz1 battery care not detected time. many times I am trying but it not working.

How hot is to hot? (phone cpu+battery)

I just got a warning from my relatively new (10 day old phone) that it was closing down applications due to a battery temperature of 62.4C and a CPU tempereature of 59C is this normal?
I am not 100% sure which one it was complaining about, I believe the battery temp
What phone?!!
blackhawk said:
What phone?!!
Click to expand...
Click to collapse
Oppo x3 find pro
PaulGWebster said:
Oppo x3 find pro
Click to expand...
Click to collapse
It was not quite it's fault though ... I was doing some cooking and shoved it out of the way on a pyrex shelf that was well ... warmer than I expected
Just hope I have not caused it any serious
harm ... it all appears fine, though it had been sat on the shelf 6 hours while stew was being made >.>
144°F is hot for a cell phone battery, although technically it's close to some Li's max operating temperature range.
Shutdown temperature on Samsung phones for the battery is around 108F. I don't go over 103F battery temp and typically go screen off at a battery temperature 101F.
The cpu can run hotter.
Is the processor running a high load?
If so the big question is what's ramping up the cpu cycle usage? Find the problem app(s) and sort out the problem.
It sucking up internet bandwidth? Bloatware?
What's using the most battery?
Try in safe mode.
You're burning up the battery longevity. Limit the top charge to 80% for now until you resolve this issue. Keep screen brightness at 50% or lower.
Running at or near shutdown temperatures can cause permanent damage. It's especially hard on a fully charged Li battery.
Edit, you posted while I was replying. You may have knock some life out of the battery. I had one over temperature event on a fully charged Note 10+ battery that caused it to lose about 5% of its capacity. It failed a little more then a year latter.
3 things Li's don't like; full charges, high temperatures and charging below 72F.
Never attempt to charge if below 40F.
I agree. The only damage will be to the battery. The phone itself can withstand well over 100c without problems. The internals can take soldering which is 300c ish. The battery however, not too fond of anything above room temp.
at least a one off, won't sit it up there again!
Also seems to have been lucky it does not seem to have had aany affect
blackhawk said:
144°F is hot for a cell phone battery, although technically it's close to some Li's max operating temperature range.
Shutdown temperature on Samsung phones for the battery is around 108F. I don't go over 103F battery temp and typically go screen off at a battery temperature 101F.
The cpu can run hotter.
Is the processor running a high load?
If so the big question is what's ramping up the cpu cycle usage? Find the problem app(s) and sort out the problem.
It sucking up internet bandwidth? Bloatware?
What's using the most battery?
Try in safe mode.
You're burning up the battery longevity. Limit the top charge to 80% for now until you resolve this issue. Keep screen brightness at 50% or lower.
Running at or near shutdown temperatures can cause permanent damage. It's especially hard on a fully charged Li battery.
Edit, you posted while I was replying. You may have knock some life out of the battery. I had one over temperature event on a fully charged Note 10+ battery that caused it to lose about 5% of its capacity. It failed a little more then a year latter.
3 things Li's don't like; full charges, high temperatures and charging below 72F.
Never attempt to charge if below 40F.
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Ah that is fien I only use C
I wonder if the phone will even tell me if it has lost capacity .... it seemed to charge to 100% this morning, but im not sure if that is 100% of what remains or 100% of its undamanged sate
PaulGWebster said:
Ah that is fien I only use C
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The Fahrenheit system is better suited for everyday life. It uses whole numbers in the temperature ranges most used real life.
Lol, walking a klick is easier than a mile, mph is faster, and a °C is a lot hotter than a degree in F.
Consider your cpu heatsink broke in and well seated
You will see lost capacity as a decrease of SOT.
The % indicator doesn't see capacity per se but voltage level only.
Keep an eye open for cover bulging; any battery swelling is a failure.
Watch for shifts in charging time and erratic fast charging. As a battery degrades or fails these change, it can be slow or overnight.
After seeing one failure on my heavily used device I decided to just change out the battery every year or so. It's not worth destroying the display over or deal with the loss in capacity. Most batteries aren't that hard to replace once you know how. In a few phones though it's not pretty. The Note 10+ is rated as hard but in reality it's not if done correctly... so actually watch one being replaced in person if possible.
blackhawk said:
The Fahrenheit system is better suited for everyday life. It uses whole numbers in the temperature ranges most used real life.
Lol, walking a klick is easier than a mile, mph is faster, and a °C is a lot hotter than a degree in F.
Consider your cpu heatsink broke in and well seated
You will see lost capacity as a decrease of SOT.
The % indicator doesn't see capacity per se but voltage level only.
Keep an eye open for cover bulging; any battery swelling is a failure.
Watch for shifts in charging time and erratic fast charging. As a battery degrades or fails these change, it can be slow or overnight.
After seeing one failure on my heavily used device I decided to just change out the battery every year or so. It's not worth destroying the display over or deal with the loss in capacity. Most batteries aren't that hard to replace once you know how. In a few phones though it's not pretty. The Note 10+ is rated as hard but in reality it's not if done correctly... so actually watch one being replaced in person if possible.
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Click to collapse
*mumbles kelvin*
I am not sure I will be able to actually see battery swell ... the front of the case is glass, the back is metal and its IP 68 ...
I bet there is an app for actual battery condition out there though!
There certainly is for laptops etc, SOT? something of time .... my guess is surcharge over time?
PaulGWebster said:
*mumbles kelvin*
I am not sure I will be able to actually see battery swell ... the front of the case is glass, the back is metal and its IP 68 ...
I bet there is an app for actual battery condition out there though!
There certainly is for laptops etc, SOT? something of time .... my guess is surcharge over time?
Click to expand...
Click to collapse
It will either push up the display or rear cover. I missed that early warning on my Note 10+ because of the case, oops. I was very lucky it didn't damage the display.
When the battery reaches 80% of what its new capacity was, it's reached the end of its useful service life and is considered degraded. Degraded Li's are much more likely to fail. If it shorts internally it can make a hot mess of the phone. Degraded cells are more likely to form dendrites that puncture the anode/cathode insulation and cause a short. Cold charging can cause Li plating which permanently damages the cell capacity... avoid charging under 72F, although a minimum of 82F is a preferable start charge temperature
Accubattery's charge/discharge logging feature is very useful as is the handy battery temp reading. I firewall block it though.
Screen On Time, I use to find misbehaving apps and gauge the battery over time. My typical usage is 7-13%@hr. 7-8% browser, 10-12% watching vids.
hmmm a 15 minute charge put it at 87% charged
PaulGWebster said:
hmmm a 15 minute charge put it at 87% charged
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Click to collapse
I go by % per minute. On the N10+ when fast charging between 30-70% it runs at 2%@min.
On a bad battery it increases to 3%@min, or fast charging will fail to engage in spite of meeting % and temperature range requirements.
A failing battery will charge too quickly and/or erratically.
Accubattery makes it easy to overview the behavior.
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blackhawk said:
I go by % per minute. On the N10+ when fast charging between 30-70% it runs at 2%@min.
On a bad battery it increases to 3%@min, or fast charging will fail to engage in spite of meeting % and temperature range requirements.
A failing battery will charge too quickly and/or erratically.
Accubattery makes it easy to overview the behavior.
View attachment 5531093
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Well ... appanrelt my oppo is now reporting 30% is the new 100%
PaulGWebster said:
Well ... appanrelt my oppo is now reporting 30% is the new 100%
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Click to collapse
What do you mean? It lost calibration or capacity?
blackhawk said:
What do you mean? It lost calibration or capacity?
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Click to collapse
It is meant to carry a Li-Po 4500 mAh, non-removable battery, the current rated charge at 100% is 1017mAh
PaulGWebster said:
It is meant to carry a Li-Po 4500 mAh, non-removable battery, the current rated charge at 100% is 1017mAh
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Where is that coming from?
What's your typical SOT?
Every battery is losing capacity over the time, nobody can hinder this. But this can get slowed down if discharging / charging the battery is correctly done.

Question Battery protection experience

To those that have use the phone for a year what is your battery health percentage without battery protection and with battery protection, im just trying to see if using the battery protection is worth it or not
There is no question concerning battery protection, if you use a device with a lithium ion battery and only use it between 30 and 80 % this will greatly extend the useful life of the battery. Using a smartplug and software to control the charger plugged into it, I have a five year old Pixel phone with a battery health percengage above 85% that’s still working fine.
I only wish that Samsung’s battery protection option was 80% instead of 85%, which would better enhance battery life.
Almost a year with the phone (10 months), always used the battery protection. Stock One UI 5.1, Snapdragon version.
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1. Never used battery protection feature because I always charge my phone to 100% and keep it connected for another 5 minutes or so.
2. I don't use Adaptive Battery feature either because I haven't seen any benefits from it.
3. Lots of theories on keeping the phone battery between some range. I don't follow it because benefits from such practices are insignificant during the expected ownership life of the phone (about 5 years on average).
I turned off battery protection 1 year ago and never looked back. Today, at 100% charge it says I have 1d19h of charge remaining. I charge my phone to 100% every night while I sleep. I see no difference in my battery performance at all.
evertroy said:
I turned off battery protection 1 year ago and never looked back. Today, at 100% charge it says I have 1d19h of charge remaining. I charge my phone to 100% every night while I sleep. I see no difference in my battery performance at all.
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Click to collapse
As I previously stated, self implemented battery protection on several phones I have owned made a huge difference for me. Charging to 100% every night left me with a very noticeable decrease in battery capacity within a year and a half or so. Maintaining the battery between 30 - 80% produces a night and day difference in battery endurance. I still own a Pixel 2XL that has never been charged to 100% and the battery capacity is around 85% and the phone still works great.
According to Accu Battery my S22U was at 99% after 1 year of charging to 85%. I never used wireless fast charging and kept the charge between 35 - 85%.
Everyone has an opinion on this. I have no problem getting 2 days of use charging to 85% so why charge to 100%.
neilth said:
There is no question concerning battery protection, if you use a device with a lithium ion battery and only use it between 30 and 80 % this will greatly extend the useful life of the battery. Using a smartplug and software to control the charger plugged into it, I have a five year old Pixel phone with a battery health percengage above 85% that’s still working fine.
I only wish that Samsung’s battery protection option was 80% instead of 85%, which would better enhance battery life.
Click to expand...
Click to collapse
You can set battery protect to turn on at whatever battery percentage utilizing Samsung Routine. I did this for a while at 90%, but have since turned it off as I will most likely upgrade my phone by next year.
I use battery protection overnight and whenever I need my phone connected. Ex: Android Auto.
neilth said:
As I previously stated, self implemented battery protection on several phones I have owned made a huge difference for me. Charging to 100% every night left me with a very noticeable decrease in battery capacity within a year and a half or so. Maintaining the battery between 30 - 80% produces a night and day difference in battery endurance. I still own a Pixel 2XL that has never been charged to 100% and the battery capacity is around 85% and the phone still works great.
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Click to collapse
How big of a difference are we talking here, before i use my S22U i have an Oppo F9 which still have good battery despite charging it too 100% every day for 3 years but that's probably because the SoC isn't very strong to begin with so it doesnt use that much power, while my phone before that which is an iphone 6 that is a hand me down and collectively used for 4 years have really bad battery where i have to charge 2-3 times despite only using it for messaging and youtube
the reason i really care about the battery health on this phone is because of how expensive this phone is compared to the other phone i have in the past and i do plan to use it for a long time
chris2412 said:
How big of a difference are we talking here, before i use my S22U i have an Oppo F9 which still have good battery despite charging it too 100% every day for 3 years but that's probably because the SoC isn't very strong to begin with so it doesnt use that much power, while my phone before that which is an iphone 6 that is a hand me down and collectively used for 4 years have really bad battery where i have to charge 2-3 times despite only using it for messaging and youtube
the reason i really care about the battery health on this phone is because of how expensive this phone is compared to the other phone i have in the past and i do plan to use it for a long time
Click to expand...
Click to collapse
In the past I have had a Sony Z2 and a Nexus 6P both suffer drastic battery degradation in under two years by fully charging them every night. With my next phone, a Pixel 2XL, I started using a smart plug which I configured to be controlled by software monitoring the battery charge and turning off the battery charger when charging reached 80%. After five years, this phone is still operational and its battery health is above 80%. I am now using similar technology on my S23U.
TheMystic said:
1. Never used battery protection feature because I always charge my phone to 100% and keep it connected for another 5 minutes or so.
2. I don't use Adaptive Battery feature either because I haven't seen any benefits from it.
3. Lots of theories on keeping the phone battery between some range. I don't follow it because benefits from such practices are insignificant during the expected ownership life of the phone (about 5 years on average).
Click to expand...
Click to collapse
Been Warp Charging my OnePlus 8T at full speed for 2.5 years now, often charging it twice a day. Battery life is fantastic and so is it's health. Practical experience taught me that some of the theories may be true, but have little practical application. One must NOT bother too much with these things as they ruin user experience.
neilth said:
In the past I have had a Sony Z2 and a Nexus 6P both suffer drastic battery degradation in under two years by fully charging them every night. With my next phone, a Pixel 2XL, I started using a smart plug which I configured to be controlled by software monitoring the battery charge and turning off the battery charger when charging reached 80%. After five years, this phone is still operational and its battery health is above 80%. I am now using similar technology on my S23U.
Click to expand...
Click to collapse
Could you share a link of the smart plug you're using?
I've never used Battery Protect. I charge my phone over night to 100%. I use wireless charging almost exclusively. By the time I leave work, it is at around 78%. I have it set to best performance.
I've taken it on the road several times and always had enough juice to make it to my hotel after 10 hours of traveling.
I haven't noticed any battery degradation.

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