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Is it just me

Or does the battery charge ridiculously slowly?
On my Droid 2 I can do a full charge in under an hour, yet I've had my nexus on charge for three now, and I'm only at 53%.
Sent from my Nexus S 4G using Tapatalk

if you notice on the nexus s ac charger, its rated at 0.7A compared to 1.0A that most chargers are. usb will recharge at 0.5. So thats why, probably.

tailsthecat3 said:
if you notice on the nexus s ac charger, its rated at 0.7A compared to 1.0A that most chargers are. usb will recharge at 0.5. So thats why, probably.
Click to expand...
Click to collapse
I've used my motorola chargers as well and they actually charge slower
Sent from my Nexus S 4G using Tapatalk

Maybe your charger is old and tired. I don't know how true it is but I've been told that leaving wall warts plugged in when they're not being used contributes to eventual internal parts failure. I don't have any problems charging while on. It's not slow like others are saying. Maybe that's just the gsm version that's slow. I've monitored charging amperage and seen mine almost hit 1 amp, 1000 milliamps, when full on charging. I've got a usb jack on my car stereo that I use to charge the phone or headsets. I've got it wired hot all the time so I can put the stereo in standby mode and it supplies power to usb only. That way I can take the keys with me and still charge whatever. I'm always near my car so it's not like I'm leaving it that way for hours and leaving the car out of sight for very long.
Another thing, the phone will charge MUCH faster if it's off. Yes it's not useful to turn the phone off for awhile but it will get it up to a full charge way faster than keeping it on while charging.

herbthehammer said:
Maybe your charger is old and tired. I don't know how true it is but I've been told that leaving wall warts plugged in when they're not being used contributes to eventual internal parts failure. I don't have any problems charging while on. It's not slow like others are saying. Maybe that's just the gsm version that's slow. I've monitored charging amperage and seen mine almost hit 1 amp, 1000 milliamps, when full on charging. I've got a usb jack on my car stereo that I use to charge the phone or headsets. I've got it wired hot all the time so I can put the stereo in standby mode and it supplies power to usb only. That way I can take the keys with me and still charge whatever. I'm always near my car so it's not like I'm leaving it that way for hours and leaving the car out of sight for very long.
Another thing, the phone will charge MUCH faster if it's off. Yes it's not useful to turn the phone off for awhile but it will get it up to a full charge way faster than keeping it on while charging.
Click to expand...
Click to collapse
I have the cdma ns4g
I've used 5+ different brand new chargers from various phones, and on three nexus s phones (one tmo, two sprint). All of them charge slowly.
I've also charged an og droid, 2 droid 2's, 2 x's, and an evo on them, which all fully charge within an hour.
(i have access to tons if phones since I sell then for bbm)
charging them powered off had minimal effect. Charging on ac power is much faster than in the car, however. I haven't charged a nexus in the car yet, tho.
Sent from my Nexus S 4G using Tapatalk

same thing with me

ac will recharge at 0.7a out; usb(which includes your car charger) will recharge at 0.5a.

Can I make a suggestion just for testing purposes? Try using "battery monitor widget" and put it's widget on your home screen. Go into settings for the app and under monitoring, change the mA refresh to 5 seconds. Now when you charge, watch it's values. If it doesn't turn green while charging then restart the phone. That will help you know if it's being charged full on, in the 900's, or trickle, 99 and lower. Don't forget to change the setting for battery capacity to 1500 because sometimes it guesses the wrong value.

my ns takes about 4 hours to go from dead to completely charged (0-99)

I never have timed it. Maybe I should. I wouldn't think it would take that long. I could be wrong too. I should try sometime. I always charge mine overnight so I don't pay any attention to the time.

yeah, next time i'll take a screenshot of the battery usage graph, where you can see the battery time and the total time. it's also interesting to see the how the charge rate changes; it charges fastest up until about 80% and then it really slows down in the 90s.
it definitely feels like a long time for a full charge. but on the other hand i can get about 5 hours of constant netflix video streaming on a full charge.
note: i didn't watch movies on my ns for 5 hours straight, just put lotr on twice for research purposes

I've had this phone for about 5 days and it takes an extremely long time to charge. Twice I've had something drain my battery really quick and that rendered my phone useless for hours because I had to recharge it. If it doesn't improve, it is bad enough that for that reason alone I won't keep this phone.

Could it be that the phone is defective?

herbthehammer said:
Can I make a suggestion just for testing purposes? Try using "battery monitor widget" and put it's widget on your home screen. Go into settings for the app and under monitoring, change the mA refresh to 5 seconds. Now when you charge, watch it's values. If it doesn't turn green while charging then restart the phone. That will help you know if it's being charged full on, in the 900's, or trickle, 99 and lower. Don't forget to change the setting for battery capacity to 1500 because sometimes it guesses the wrong value.
Click to expand...
Click to collapse
I've been using juice plotter, and it shows 3-4 hours every time, even charging from around 30% took over 3
Sent from my Nexus S 4G using Tapatalk

Interesting, it seems the battery stats aren't reported correctly. I rebooted my phone and I went from 35% to 56%. Still been charging for a couple hours, with some use, tho (reading).
Sent from my Nexus S 4G using Tapatalk

Thought I would include some pics. Rebooted twice and its still stuck at 59%
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Sent from my Nexus S 4G using Tapatalk

Couldn't edit this in, sorry for the multiple posts...
After a battery pull, uninstall of battery monitor widget, I'm at 46% (now 47% as I type)....
And another reboot, now at 66%... I'm so confused.
Sent from my Nexus S 4G using Tapatalk

just got NS4G last week and I noticed it on the first charge, took forever
I've yet to be able to keep in plugged in until its fully charged except the first time.

Something is wrong. I've never experienced this. You might want to get your phone checked out by a repair center and or get a replacement phone or battery. That should not be happening to you.

herbthehammer said:
Something is wrong. I've never experienced this. You might want to get your phone checked out by a repair center and or get a replacement phone or battery. That should not be happening to you.
Click to expand...
Click to collapse
yeah, I'm going to do a few different tests in the next few days. I was given the phone from a drawing at work, so I cannot exactly exchange it. I'll have to talk to sprint/sammy directly if I cannot figure it out.
It doesn't bother me much, I love the phone, but faster charging would be nice. I doubt that will happen, as both demo ns's in my store charge slowly.
Sent from my Nexus S 4G using Tapatalk

[Q] Device not charging fully (update, poor battery life too)

Morning guys, I got my Z3 on Saturday, using a magnetic charger I charged it as soon as I got it, I turned it on at 1PM and it was 100%, that evening after installing everything and setting everything up it was down to 1%.
I put it on charge over night using the plug that came with it plus a magnetic adapter I got free with it, after 11 hours on charge through the night it only reached 86% (85% increase)
then, last night, I went to bed with it at 30%, this time I used a 2100mA charger, this time using a Sony cable with magnetic end (I don't want to keep opening and closing the flap so I'm refusing to use micro USB to chargers), after 7 hours sleep it was only at 70% (40% increase).
Can anyone help with what I have to do to get it to 100% through the night without using microUSB?
even a 'trickle charge' should get it up to 100 shouldn't it?
The Mrs has a Z1 compact and uses the same magnetic cables/adapters as me and hers is fine
Screenshot below, you can see it's "awake" the whole time it's on charge (the screen is off as it's next to the bed and it would be too bright if it wasn't)
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We also just purchased a Xperia Z3 and were using a non-official magnetic charger cable with the official wall plug to try charge it. It charged very slowly and would stop charging and then start again over and over. The thing is that the magnetic cable works fine with our Xperia Z1 Compact (although slowly). The Z3 does seem to charge fine using the official Z1 Compact dock station, however (with a card stuck behind it to make it fit the dock station).

Seems strange.
Yesterday was the first time I got to 100% (74% this morning), but yesterday it used 90% in 16 hours, well short of what I was expecting (2hrs 50min screen on time, no games played all day). This 2 day battery life is turning out to be no better than my poor Nexus 5 battery!
It seems to be 'awake' a lot while screen is off plus I have location aware WiFi on (and I could see it was not on during the day while at work) yet that has a solid base there too

mmace said:
Seems strange.
Yesterday was the first time I got to 100% (74% this morning), but yesterday it used 90% in 16 hours, well short of what I was expecting (2hrs 50min screen on time, no games played all day). This 2 day battery life is turning out to be no better than my poor Nexus 5 battery!
It seems to be 'awake' a lot while screen is off plus I have location aware WiFi on (and I could see it was not on during the day while at work) yet that has a solid base there too
Click to expand...
Click to collapse
download GSAM from the playstore and see what is zapping your battery. it shouldn't stay awake so much

There's something wrong. It's either user error (power hungry app etc), or it's hardware error (defective battery).
Yesterday I listened to 5 hours media via headphones (screen off), had 4 hours SOT (autobrightness at 50% and no gaming) and after 12 hours total usage had 52% remaining.
EDIT: I'm particularly impressed with the battery use whilst listening to media (screen off). I average 1.5% per hour with noise cancelling headphones.
This compares to 1.75% on my LG G3, 1.75% on my M8 and a MASSIVE 3.5% on my Galaxy S5. My Z2 performed at about 1.75-2% per hour.

been running GSAM today and it's saying 7% usage per hour (barely used the phone at all, it's just sat on my desk with screen off except for 22mins total when I used remote connect to my home PC and checked an alert on Facebook)
screen- 36.7% (22 mins), brightness is set to around 20% with auto adjust turned on, but I'd prefer it to be brighter but trying to save battery!
phone radio- 16.7% (all time)
Held Awake(?)-3.7% (the time for this is nearly the whole time the phone has been off charge minus ~20 mins)
bluetooth- 1.6% (time is the whole time, I have Android Wear)
others are 0% except for:
-------------
Apps 38.6%
nothing stands out on here, Android system is top with 9%, Google Search is in there at 1.5% due to my watch (this was same on my Nexus 5)

mmace said:
been running GSAM today and it's saying 7% usage per hour (barely used the phone at all, it's just sat on my desk with screen off except for 22mins total when I used remote connect to my home PC and checked an alert on Facebook)
screen- 36.7% (22 mins), brightness is set to around 20% with auto adjust turned on, but I'd prefer it to be brighter but trying to save battery!
phone radio- 16.7% (all time)
Held Awake(?)-3.7% (the time for this is nearly the whole time the phone has been off charge minus ~20 mins)
bluetooth- 1.6% (time is the whole time, I have Android Wear)
others are 0% except for:
-------------
Apps 38.6%
nothing stands out on here, Android system is top with 9%, Google Search is in there at 1.5% due to my watch (this was same on my Nexus 5)
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Click to collapse
try doing a factory reset

Shudder123 said:
try doing a factory reset
Click to expand...
Click to collapse
that's a very last resort, takes many hours to get everything downloaded and configured

I have the same problem except mine is charging to 100 without any problems. The battery is draining really fast without any heavy usage involved. The 2 days battery life doesn't seem to be possible right now

[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.

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

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.

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.
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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.
Click to expand...
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.