Question Battery charge limits - Google Pixel 7 Pro

Are you going to limit your charge to 80% or do trust that 100% charges won't harm your battery?
There's well known science that backs charging your battery too high and often will degrade it's lifespan.
But there's also the argument that phones now have smart charging and similar to EVs when the phone hits 100% on its display the charge is still only really around 80% of true capacity.

There's no way manufacturers are sacrificing that much of our battery life with how much we all gripe about it.
I use AccuBattery with an 85% alarm. That seems to be good enough for me.

I'm trying to limit my charging. I rooted my P7P yesterday but haven't been able to get charging limits to work with AccA. I'm using the 2022-6-4 version of AccA right now. Does anyone know a working method to limit charging that is persistent? I'm not going to redo something with every reboot.

NCVol said:
I'm trying to limit my charging. I rooted my P7P yesterday but haven't been able to get charging limits to work with AccA. I'm using the 2022-6-4 version of AccA right now. Does anyone know a working method to limit charging that is persistent? I'm not going to redo something with every reboot.
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Try out putting chargingSwitch=(gcpm/constant_charge_current_max 4000000 0 --) in /data/adb/vr25/acc-data/config.txt
It's been rock solid for me on my Pixel 6 Pro. You might have to run acc and test the available switches, it could've changed with the Pixel 7.

Namelesswonder said:
Try out putting chargingSwitch=(gcpm/constant_charge_current_max 4000000 0 --) in /data/adb/vr25/acc-data/config.txt
It's been rock solid for me on my Pixel 6 Pro. You might have to run acc and test the available switches, it could've changed with the Pixel 7.
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What does this do? Limit the charge current to 4000 mA? I like learning what things do.
Which build of ACC are you using?

NCVol said:
What does this do? Limit the charge current to 4000 mA? I like learning what things do.
Which build of ACC are you using?
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Same build of ACC as you, and yes the that is 4A, rhe number is in microamps. This only sets the max charging current initially, it will try to readjust so you need to also set the maxChargingCurrent to whatever you want but that variable is based on milliamps.
I use 600000 and 600 for 600mA on my Pixel 6 Pro and it is a slow and steady charge. Worked out good on drives because it would hold my battery steady during navigation and didn't generate a lot of heat.

I just charge the phone to 100%. Take it off and use it. Never in my life did a battery fail, extreme degrade or fail to charge. No apps needed to monitor the battery either. Charging a battery to only 80% makes absolutely no sense. Over charging a battery and number of charge cycles eventually kills batteries. You charge a battery to only 80% vs someone who charges to 100%, who is going to have more charge cycles after a year?

schmeggy929 said:
I just charge the phone to 100%. Take it off and use it. Never in my life did a battery fail, extreme degrade or fail to charge. No apps needed to monitor the battery either. Charging a battery to only 80% makes absolutely no sense. Over charging a battery and number of charge cycles eventually kills batteries. You charge a battery to only 80% vs someone who charges to 100%, who is going to have more charge cycles after a year?
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To each his own but I think you have the concept of a charge cycle wrong. The last 20% is more of a charge cycle than the first 80%.

Ultimately you are going to keep your phone for... how long?
I charged my Pixel 2XL to 100% probably the majority of the time. My battery life was still 'good enough' to last 2 days based on my average usage 4 years later when I bought the p6p. Which I traded in for the P7P 10 months later (not a year because of the debacle the p6p 512 release was with supply). I suspect barring significant problems cropping up the 7 is a solid 3 year phone for me albeit admittedly with only 24 hours of time with it.
Does charging at a lower speed (less heat) and not charging it to full help elongate the battery life and help reduce degradation? Without a doubt the science says yes.
But ultimately it's more important if you're going to keep your phone for a few years. If you're going to swap out every 3 years or less, I don't know that you'll notice much.

Related

Charging from 99% to 100% seems to take long

I noticed this on my old S4 as well. 99% took the longest to charge up to the next %. Anyone know why this is? My phone was charging at 99% for like 15 minutes. I also noticed that using the phone from 100-99% goes very quick :laugh:
OnSugarHill said:
I noticed this on my old S4 as well. 99% took the longest to charge up to the next %. Anyone know why this is? My phone was charging at 99% for like 15 minutes. I also noticed that using the phone from 100-99% goes very quick :laugh:
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This is perfectly normal. Think of it as inflating a balloon. The last 1% will be really hard and yet it will deflate as fast as the rest. It is not recommended to push that last 1% too often. Ideally you want to stay between 30-70%.
pintycar said:
This is perfectly normal. Think of it as inflating a balloon. The last 1% will be really hard and yet it will deflate as fast as the rest. It is not recommended to push that last 1% too often. Ideally you want to stay between 30-70%.
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Do you have a source for that?
poldie said:
Do you have a source for that?
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He is correct some say 20-80%, best example is Samsung laptops, mine had an option in the bios of topping charge of at 70% to prolong battery life.
http://batteryuniversity.com/learn/article/do_and_dont_battery_table
Check out my recharge experiments: http://forum.xda-developers.com/z3/general/xperia-z3-battery-life-recharge-t2916773
I heard somewhere that is a solution so battery dont became overcharghed.
And what kills battery capacity is if it became static. There must be electricity flow trought battery to prolong it life time.
Your only supposed to charge your phone to no more then 70%?? First i heard. Never heard that before, Interesting.
Blaalad12 said:
Your only supposed to charge your phone to no more then 70%?? First i heard. Never heard that before, Interesting.
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I looked into the same thing last month.
https://discussions.apple.com/thread/4465051?tstart=0
When possible avoid frequent full discharges. Instead, charge the battery more often. There is no concern of battery's memory when applying unscheduled charges. A high residual charge before recharge is a benefit rather than a disadvantage for chemistry of Li-Pol battery on all iPads. The best way is to keep battery between 40% and 80% charged. After LiP battery of iPad is charged to 80% capacity it switches to trickle charging with a potential to cause plating of metallic lithium, a condition that renders the cells unstable. One more incentive to keep battery of iPad between 40-80% is the rate of the charge loss when gadget is not in use. The charge loss amounts up to 6% per year when battery is fully charged, but only 2% per year when it is half-charged. Nevertheless, short discharges with following recharges do not secure the regularly calibration needed to synchronize the fuel gauge with the battery's state-of-charge. A deliberate full discharge and recharge every 30-40 charges fixes this problem.

Best battery life tip: don't use the turbo charger!

So, I own this phone for a few weeks now and I got pretty frustrated about the battery life on this phone as I was getting 3 hrs of SOT a best.
Then I decided not to stress the battery so much by charging it with the included turbopower 25 charger all the time, and use my old (5V 2.1A) charger overnight instead. Then I was surprised to see my SOT going up to about 4.5-5hrs.
I did some research about fast charging techonlogy and found out that when you fast charge you typically don't get as much charge into a battery as with a slow charge.
I still use the turbo charger when I am short on time, but using my regular one definetely does add more juice to the battery, thus, helping it last throughout the day.
sleepdownloader said:
So, I own this phone for a few weeks now and I got pretty frustrated about the battery life on this phone as I was getting 3 hrs of SOT a best.
Then I decided not to stress the battery so much by charging it with the included turbopower 25 charger all the time, and use my old (5V 2.1A) charger overnight instead. Then I was surprised to see my SOT going up to about 4.5-5hrs.
I did some research about fast charging techonlogy and found out that when you fast charge you typically don't get as much charge into a battery as with a slow charge.
I still use the turbo charger when I am short on time, but using my regular one definetely does add more juice to the battery, thus, helping it last throughout the day.
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Will definitely try that out. Cuz my usage gets me around 4 -4.5 or even 6 if I read a little. So if this happens for me too I'm gonna get some nice battery life.
Curlyfry2121 said:
Will definitely try that out. Cuz my usage gets me around 4 -4.5 or even 6 if I read a little. So if this happens for me too I'm gonna get some nice battery life.
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Please do report
It doesn't really matter, at least not that significantly... something else is the cause.
Using a turbo charger could change the longevity of the battery, over time, due to heat buildup and breakdown of the internal components due to more stress, but it wouldn't just "get better" switching to standard charger... I charge my phone half the week on a standard charger when at home, and when traveling I use a quick charger. If I am on either at home or on the road for a few weeks at a time and my battery life doesn't change. Well, not because of the charger, but at home I am within 30' of a very high quality WiFi router all the time and essentially never on mobile data, on the road it's the complete opposite.
If you did your researching into Qualcomm's Quick Charge 2.0 (and higher) standards you would see that the issue of batteries not getting a full charge from the original QuickCharge/Fast Charge standard has been remedied with high voltage charging automatically downgraded to "standard" voltage charging during about the last 10% of the charge cycle to allow the battery to cool and take a full charge.
Not doubting your getting better SOT, just your analysis of the reason why are...
acejavelin said:
It doesn't really matter, at least not that significantly... something else is the cause.
Using a turbo charger could change the longevity of the battery, over time, due to heat buildup and breakdown of the internal components due to more stress, but it wouldn't just "get better" switching to standard charger... I charge my phone half the week on a standard charger when at home, and when traveling I use a quick charger. If I am on either at home or on the road for a few weeks at a time and my battery life doesn't change. Well, not because of the charger, but at home I am within 30' of a very high quality WiFi router all the time and essentially never on mobile data, on the road it's the complete opposite.
If you did your researching into Qualcomm's Quick Charge 2.0 (and higher) standards you would see that the issue of batteries not getting a full charge from the original QuickCharge/Fast Charge standard has been remedied with high voltage charging automatically downgraded to "standard" voltage charging during about the last 10% of the charge cycle to allow the battery to cool and take a full charge.
Not doubting your getting better SOT, just your analysis of the reason why are...
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Maybe you're right, I'm still monitoring my battery life on both chargers, and with the same usage, my battery does last longer when charging with the regular 5V one. I'm mostly on 3G network data and rarely use wifi, as I'm mostly only sleeping or eating at home. Maybe there are other factors making this difference, though i'm pretty sure the charger is the only difference for me. Will report if I notice anything else.
I don't see any big difference, I'm also using standard charger over night and quick when I'm in the hurry. Despite charging methods my sot time is very inconsistant from 2,5h to 4h at best.

Question So what is the best android charging habit...?

So I bought POCO X3 Pro earlier this month...So I play games on it mainly and the question is which kind of charging habit is better?
1.Frequently charging to make the percentage between 50%-100%
2.Charge it to 80-90 and try not make to make it fall below 20% and charge only once in a day?
The second option is a bit far fetched for me...Though I will try
My habit is 1 + 2: when around 50%, charge it up to around 90%.
Of course I'm not paranoid about it. But I do check battery levels most times I pick up my phone, to decide what to do.
If you root your device, you can use Battery Charge Limit.
You can set the maximum charging percentage, like setting it to 80%, then the charger will stop charging.
For our POCO X3 PRO, we need to go into this app setting and change "Set Control File" to the one with mi6 or something I don't clearly remember.
ArrowOS has this smart charging built-in.
I personally use my old charger to charge it slowly.
From what I observe, the Xiaomi 33W charger will rise the battery temperature to 40°C, which is bad to the battery. My slow charger will increase to ~33°C.
The fast charge is for convenience and emergency eg. forgot to charge at night and need to rush in the morning.
Frequently charging between 40~80% is better for battery health in long term.
Advanced Charging Controller (acc) is a good module to do this under control. It also has links about battery health explanation. (Battery university)
It is best to keep it between 20-80 present and not gaming while charging. I use my old slow charger when i am not in a hurry.
i keep mine at 70% max. i charge when it gets to 40%. I use arrowOS so i can set max charging and it resets the battery stats as well, so i know which apps eats power next time
Trying to keep it between 40-80%, with 10min break before recharging to cool down
Actually, I always keep my battery between 25% and 75%, then I restart the device once a week. Finally, I will use it until 0% one or two times a month before charging fully to 100% , I have read in a newspaper, it is necessary for digital devices.
nthp999 said:
Actually, I always keep my battery between 25% and 75%, then I restart the device once a week. Finally, I will use it until 0% one or two times a month before charging fully to 100% , I have read in a newspaper, it is necessary for digital devices.
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discharging at 0% seems to be at a high risk that it won't power on anymore
Wait... is there a problem with charging my phone to 100%?
Darklink007 said:
Wait... is there a problem with charging my phone to 100%?
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If you want your phone battery health to last longer for years, like 2 years or more, then it's better. Info is here: https://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
For long term, battery will degrade and loose it's capacity, so your battery die eventually, then replace, then die, then replace...
Like this:
https://imgur.com/aUOLaob
If you are wealthy enough to change your phone so frequently that you don't even want to concern the long term damage to phones, then forget about it and go for the TOP. (And coffee for me )
Cycling from 100 to 0 % we get 500 cycles
Cycling from 100 to 10 % we get 500 cycles
Cycling from 100 to 20 % we get 1.000 cycles
Cycling from 90 to 0 % we get 1.500 cycles
Cycling from 90 to 10 % we get 1.500 cycles
Cycling from 90 to 20 % we get 2.000 cycles
Cycling from 80 to 0 % we get 3.000 cycles
Cycling from 80 to 10 % we get 3.000 cycles
Cycling from 80 to 20 % we get 3.500 cycles
Cycling from 70 to 0 % we get 5.000 cycles
Cycling from 70 to 10 % we get 5.500 cycles
Cycling from 70 to 20 % we get 6.000 cycles
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Battery charging: Full versus Partial - 🔋PushEVs
What's better for your electric car battery?
pushevs.com
To be honest, I wouldn't worry too much about any loss of capacity in the battery. My oldest still active device is now 5 years old and even with that I do not notice any significant loss of capacity. Typically all of my devices charge from around 5% to 100%. My Nokia 7 Plus was charged almost daily by me for 2 years and by my brother for a year before that, but I don't know how he charged it. Still, I haven't noticed any change in the running time to this day.
Maybe it's not the place to ask, but I was wondering, is there any way to know if a Xiaomi charger is fake? I want to buy a charger between 10-18w to replace my 33w charger in order to reduce my POCO X3 PRO battery's suffering, but I live in a third world country where is VERY difficult to adquire imported products and I don't want to buy a fake one from the local online marketplaces, if you guys could please help me I would appreciate it
Darklink007 said:
Maybe it's not the place to ask, but I was wondering, is there any way to know if a Xiaomi charger is fake? I want to buy a charger between 10-18w to replace my 33w charger in order to reduce my POCO X3 PRO battery's suffering, but I live in a third world country where is VERY difficult to adquire imported products and I don't want to buy a fake one from the local online marketplaces, if you guys could please help me I would appreciate it
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Just buy any 2 Ampere, 5 Volt charger. It should be fast enough, but not too fast. It doesn't have to be a Xiaomi charger.
Darklink007 said:
Maybe it's not the place to ask, but I was wondering, is there any way to know if a Xiaomi charger is fake? I want to buy a charger between 10-18w to replace my 33w charger in order to reduce my POCO X3 PRO battery's suffering, but I live in a third world country where is VERY difficult to adquire imported products and I don't want to buy a fake one from the local online marketplaces, if you guys could please help me I would appreciate it
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If you have a laptop, use it's USB. It most likely will charge VERY slow, to the point that you want it to charge faster.
Edit: The alternative way is to use Magisk module Advanced Charging Controller (acc)
You need to unlock bootloader, install Magisk, and install Advanced Charging Controller (acc) module.
Then you can restrict the charging current or voltage. I tried with the official charger and it can be charged below 500 mAh, so below 2.5 watts.
pl1992aw said:
If you have a laptop, use it's USB. It most likely will charge VERY slow, to the point that you want it to charge faster.
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If you then put a mirror on the laptop, you can see your beard grow in real time while it is charging.
pl1992aw said:
If you root your device, you can use Battery Charge Limit. ... like setting it to 80% ... ArrowOS has this smart charging built-in.
I personally use my old charger to charge it slowly.
From what I observe, the Xiaomi 33W charger will rise the battery temperature to 40°C, which is bad to the battery. My slow charger will increase to ~33°C.
The fast charge is for convenience and emergency eg. forgot to charge at night and need to rush in the morning.
Frequently charging between 40~80% is better for battery health in long term.
Advanced Charging Controller (acc) is a good module to do this under control. It also has links about battery health explanation. (Battery university)
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Click to collapse
fnldstntn said:
It is best to keep it between 20-80 present and not gaming while charging. I use my old slow charger when i am not in a hurry.
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LITUATUI said:
Battery charging: Full versus Partial - 🔋PushEVs
What's better for your electric car battery?
pushevs.com
Click to expand...
Click to collapse
Cycling from 100 to 10 % we get 500 cycles
Cycling from 100 to 20 % we get 1.000 cycles
...
Cycling from 70 to 20 % we get 6.000 cycles
The first two are should be the standard user behaviour, given the ROM build-in recharging warning. The difference in cycles to 70 to 20 % seems huge (6-10x more)
pl1992aw said:
If you have a laptop, use it's USB. It most likely will charge VERY slow, to the point that you want it to charge faster.
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All interesting posts. I wonder however:
What about having the device connected to the charger most of the time (at work place) with 100% most of the time, so it is de-charged only a small time of the day? So only at times when really moving around some workdays or in the weekend the device gets down to 20% or below.
I have now changed the 33W (12V/3A) Fast-Charger with the older 18W (9V/2A) Charger of the RN7 I have.
Would setting the charge limit to 80% give a huge benefit if I would like to use the device at least for 2-3 years?
ChriMo said:
Cycling from 100 to 10 % we get 500 cycles
Cycling from 100 to 20 % we get 1.000 cycles
...
Cycling from 70 to 20 % we get 6.000 cycles
The first two are should be the standard user behaviour, given the ROM build-in recharging warning. The difference in cycles to 70 to 20 % seems huge (6-10x more)
All interesting posts. I wonder however:
What about having the device connected to the charger most of the time (at work place) with 100% most of the time, so it is de-charged only a small time of the day? So only at times when really moving around some workdays or in the weekend the device gets down to 20% or below.
I have now changed the 33W (12V/3A) Fast-Charger with the older 18W (9V/2A) Charger of the RN7 I have.
Would setting the charge limit to 80% give a huge benefit if I would like to use the device at least for 2-3 years?
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Click to collapse
Connecting to the power all the time at around 100% is bad. It is at the limit of Over charging, the battery may bloat up and destroy the screen.
If you want, it's better to set it limit 40~80% and connect. The importance is the battery temperature. Don't make it hot. You can check it with Ampere.
The benefit is about the battery. You might not need to replace it often when you encounter like cases of sudden drop of percentage or sudden shutdown.
Huge or not is subjective.
pl1992aw said:
Connecting to the power all the time at around 100% is bad. It is at the limit of Over charging, the battery may bloat up and destroy the screen.
If you want, it's better to set it limit 40~80% and connect. The importance is the battery temperature. Don't make it hot. You can check it with Ampere.
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Regarding battery temperature at least after reaching 100% I never noticed a hot or even warm phone.
I taught the device/system has some "charging intelligence" when always connected, so that the phone is directly using the power from the cable while the battery is not drained?
In Stock MIUI (debloated) or xiaomi.eu without root it is not possible to set a different Battery Charge Limit then?
ChriMo said:
Regarding battery temperature at least after reaching 100% I never noticed a hot or even warm phone.
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When it's about to reach 80% or 90%, smart batteries now will charge slower automatically, so you don't feel the temperature.
However, when you see it in ultra-fast charge, like 40% charing to 70% in 30 minutes, the battery rise to 40°C or higher (as I observed.) Can even go higher depend on climate and using while charging.
ChriMo said:
I taught the device/system has some "charging intelligence" when always connected, so that the phone is directly using the power from the cable while the battery is not drained?
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This can be done with Advanced Charging Controller (acc).
I had answered similar questions here:
https://forum.xda-developers.com/t/custom-kernel-for-gaming-poco-x3-pro-please.4281305/post-85105659
ChriMo said:
In Stock MIUI (debloated) or xiaomi.eu without root it is not possible to set a different Battery Charge Limit then?
Click to expand...
Click to collapse
This control needs root.
Unless it's built into the Rom.
ArrowOS version 2021-05-07 had Smart charging that can set a limit threshold without root.
But developer said will remove this funtcion. See in his Rom thread for his reply.

Question Charging battery on the first days of usage - help

Hi!
I have a question.
My S22 Ultra will arrive this week and I don't know how to charge on the first couple of days/weeks.
There is the option to protect the battery and don't charge over 85%. should I use this option on these first days or charge it until 100%????
On my daily basis perhaps I'll use that option, what do you think?
Thanks a lot.
i keep it at 85% setting ever since it was introduced
PLEASE HELP!!!
Deiota77 said:
Hi!
I have a question.
My S22 Ultra will arrive this week and I don't know how to charge on the first couple of days/weeks.
There is the option to protect the battery and don't charge over 85%. should I use this option on these first days or charge it until 100%????
On my daily basis perhaps I'll use that option, what do you think?
Thanks a lot.
Click to expand...
Click to collapse
Just charge it normally. You'll definitely need to have it on the charger during the initial setup.
Deiota77 said:
Hi!
I have a question.
My S22 Ultra will arrive this week and I don't know how to charge on the first couple of days/weeks.
There is the option to protect the battery and don't charge over 85%. should I use this option on these first days or charge it until 100%????
On my daily basis perhaps I'll use that option, what do you think?
Thanks a lot.
Click to expand...
Click to collapse
You can use it straight from the go and not worry about anything.
My tired and true method when I first get a new phone is by calibrating the battery to run for optimal usage. I let the battery drain the first time until the phone shuts off and then charge it to 100%. I do this again one more time. After that I just charge it to 100% and let it drain and top up however and whenever I feel like it.
There's a couple of reasons for this. First battery life isn't a strong suit for this phone unlike say an iPhone 13 pro max so I'm not going to waste my time running towards a charger all the time. Secondly, the benefits of charging between 75-85 percent and 20-25 percent is negated or lost on me because I'll most likely move on to a new phone by the time the extra battery life that I've managed to squeeze out can be taken advantage of. Now if you're likely the type of person who's going to hold on to his phone until it dies or will be willing to change out the battery to continue using it, then by all means go ahead and toggle the option and follow that road..
Hope this helps..
Plug it in, charge, use it - then plug it in again etc... smartphones aren't made to last forever, after a few years they all become an obsolete junk - that's my personal opinion, you can follow any charging routines you like.
Minimum start charge battery temperature is 72F, 82-90F is better.
Never start charging if below 40F.
Best not to drain past 20%, 30% is better.
72% is a better top off number.
Regardless of how much you charge it, observe the minimum start charge temperature.
Once a battery has reached 80% of it's new capacity it is degraded and should be replaced to prevent a failure which can heavily damage the phone.
A degraded Li is more likely to fail.
Any battery swelling (rear cover bulge) is a failure, do not charge, replace asap. A failure can happen at any time in the battery's life cycle and they can happen fast.
I now replace my N10+ batteries every 1-2 years, routine maintenance.

Question 85% VS 100% - and why?

I have always charged my phones to 100%, this 85% thing is very new to me.
I've never heard about it before until I saw it in my S22 ULTRA.
What are the benefits of charging only to 85%? Does it last as much as with 100%?
Does it really recommended to charge it up to 85%? Im not an heavy user, but also I'm not changing my phone once a year, I'm changing it one time in 3-4 years.
Also, I tried to never charge my phone at night, and trying to catch the battery not lower than 10-15 percent to charge.
So basically, it bothers me a little bit in the eye to see that the phone is only about 85%, because that way basically the battery will run out much faster(significantly, yesterday 10% went down in 45 minutes, which means I'll lose 45 minutes from battery usage for nothing).
So, my question is, is it really worth it? Is there a significant difference between the two options? I'd love your help, thank you all!
The 85% is to protect and prolong the battery life. I agree that you will loose 15% of battery time if not charging to 100%. I charge to 100% and when battery is 10 - 15 I charge to full. I guess on the long run it's better for the battery to only charge to 85%, but I change phones every year or 2, so I'm not to worried about prolonging the battery life
Set low limit at 30-40%
Top limit of 72-85% is better.
Li's love frequent midrange power cycling.
Start charge temperature is important to prevent Li plating. Battery should be at least at 72F, 82-90F is better. Cool if charging temperature goes above 99F. Never charge in direct sunlight.
Never attempt to charge at 40F or lower
Avoid having the screen on while changing.
When using, turn phone off if battery temperature reaches 100F or cool it.
Replacing the battery isn't a big deal unless you don't do it on a timely basis. When an Li has reached 80% of it's original capacity it's reached the end of it's useful service life and is degraded.
Degraded Li's are more likely to fail which can heavily damage the phone. Any swelling is a failure replace immediately.
High voltage , temperature and current drain stress the battery. Other than avoiding low temperature charging and going to either low/high extreme voltage ranges constantly I wouldn't worry about it too much.
I now replace my heavily used Note 10+ battery every year or so to avoid another failure, routine maintenance. Batteries are cheap and relatively easy to replace.
blackhawk said:
Set low limit at 30-40%
Top limit of 72-85% is better.
Li's love frequent midrange power cycling.
Start charge temperature is important to prevent Li plating. Battery should be at least at 72F, 82-90F is better. Cool if charging temperature goes above 99F. Never charge in direct sunlight.
Never attempt to charge at 40F or lower
Avoid having the screen on while changing.
When using, turn phone off if battery temperature reaches 100F or cool it.
Replacing the battery isn't a big deal unless you don't do it on a timely basis. When an Li has reached 80% of it's original capacity it's reached the end of it's useful service life and is degraded.
Degraded Li's are more likely to fail which can heavily damage the phone. Any swelling is a failure replace immediately.
High voltage , temperature and current drain stress the battery. Other than avoiding low temperature charging and going to either low/high extreme voltage ranges constantly I wouldn't worry about it too much.
I now replace my heavily used Note 10+ battery every year or so to avoid another failure, routine maintenance. Batteries are cheap and relatively easy to replace.
Click to expand...
Click to collapse
So, I understand that it recommended to charge up to 85%? :-D
I searched on google to buy a S22 ultra battery that will keep in home until I need it, but couldn't find one.
maor23 said:
I have always charged my phones to 100%, this 85% thing is very new to me.
I've never heard about it before until I saw it in my S22 ULTRA.
What are the benefits of charging only to 85%? Does it last as much as with 100%?
Does it really recommended to charge it up to 85%? Im not an heavy user, but also I'm not changing my phone once a year, I'm changing it one time in 3-4 years.
Also, I tried to never charge my phone at night, and trying to catch the battery not lower than 10-15 percent to charge.
So basically, it bothers me a little bit in the eye to see that the phone is only about 85%, because that way basically the battery will run out much faster(significantly, yesterday 10% went down in 45 minutes, which means I'll lose 45 minutes from battery usage for nothing).
So, my question is, is it really worth it? Is there a significant difference between the two options? I'd love your help, thank you all!
Click to expand...
Click to collapse
If you can last to bedtime on an 85% charge then fine use that setting if you intend to keep the device for 3 years or longer.
If (like me) you need 100% charge to get through the day, continue charging to 100% and dont worry.
I have been using mobile phones for 25 years and I charge overnight as I sleep. I have NEVER had a battery failure or problems.
Life is short, enjoy your new phone
P.S. If you are worried about stressing the battery by charging to 100%, I suggest you also disable Fast-Charging as that is WORSE for a battery cell than 100% vs 85% iMHO.
I used to charge my Note 10+ to 100%, every day plug it while in my car or plug it to my laptop now and then. After 2 years of use battery health was 89%.
On my Lenovo laptop I stop charging at 60% as suggested by Lenovo vantage. Bull****. Battery lasts a lot less after one year. Almost the half.
Enjoy your gadgets and mobiles. Anyway after 2 years most of us get a new one.
blackhawk said:
Set low limit at 30-40%
Top limit of 72-85% is better.
Li's love frequent midrange power cycling.
Start charge temperature is important to prevent Li plating. Battery should be at least at 72F, 82-90F is better. Cool if charging temperature goes above 99F. Never charge in direct sunlight.
Never attempt to charge at 40F or lower
Avoid having the screen on while changing.
When using, turn phone off if battery temperature reaches 100F or cool it.
Replacing the battery isn't a big deal unless you don't do it on a timely basis. When an Li has reached 80% of it's original capacity it's reached the end of it's useful service life and is degraded.
Degraded Li's are more likely to fail which can heavily damage the phone. Any swelling is a failure replace immediately.
High voltage , temperature and current drain stress the battery. Other than avoiding low temperature charging and going to either low/high extreme voltage ranges constantly I wouldn't worry about it too much.
I now replace my heavily used Note 10+ battery every year or so to avoid another failure, routine maintenance. Batteries are cheap and relatively easy to replace.
Click to expand...
Click to collapse
how does one set low limit?
i have a smart plug i use for my charger, only on long enough to charge phone from 20% to 85% (battery setting limit enabled).
i usually charge at 30% to 85%.
Slade8525 said:
how does one set low limit?
i have a smart plug i use for my charger, only on long enough to charge phone from 20% to 85% (battery setting limit enabled).
i usually charge at 30% to 85%.
Click to expand...
Click to collapse
I just do it by eye. It's not rocket science.
Accubattery lets you set an alarm if you want.
maor23 said:
So, I understand that it recommended to charge up to 85%? :-D
I searched on google to buy a S22 ultra battery that will keep in home until I need it, but couldn't find one.
Click to expand...
Click to collapse
Keeping a spare isn't a good plan as Li's start to degrade as soon as assembled. So after a year or more of sitting there it will have lost some of its initial capacity.
They should became easier in the future.
Any solution to modify the protect level?
"protect battery level 90%, 95% mod instead of 85%"
85% seem to be very short time of using
For anybody wanting to change the limit from 85% to lets say 90%, you can use the App called Galaxy Max Hz, you can find it on this forum : https://forum.xda-developers.com/t/...ods-qs-tiles-tasker-support-and-more.4404929/
One of the options is to change the battery charge limit, on the lock screen it will still say : "Charging stopped at 85%" even though the battery is at 90% as set in Galaxy Max Hz
coolpixs4 said:
Any solution to modify the protect level?
"protect battery level 90%, 95% mod instead of 85%"
85% seem to be very short time of using
Click to expand...
Click to collapse
85% is actually rather on the high side. Either correct the excessive battery drain or replace the battery. When an Li reaches 80% of its original capacity it's reached the end of its usable service life. It's degraded at that point. Degraded Li's are much more likely to fail. Any battery swelling is a failure.
My device does not have 'protect battery' toogle on quick settings
SS22+ OneUI4.1
coolpixs4 said:
Any solution to modify the protect level?
"protect battery level 90%, 95% mod instead of 85%"
85% seem to be very short time of using
Click to expand...
Click to collapse
bixby probably
Actually, the protection level should be 80% or less to maximize the battery’s useful life.
malikin said:
bixby probably
Click to expand...
Click to collapse
coolpixs4 said:
Any solution to modify the protect level?
"protect battery level 90%, 95% mod instead of 85%"
85% seem to be very short time of using
Click to expand...
Click to collapse
verszipo said:
For anybody wanting to change the limit from 85% to lets say 90%, you can use the App called Galaxy Max Hz, you can find it on this forum : https://forum.xda-developers.com/t/...ods-qs-tiles-tasker-support-and-more.4404929/
One of the options is to change the battery charge limit, on the lock screen it will still say : "Charging stopped at 85%" even though the battery is at 90% as set in Galaxy Max Hz
Click to expand...
Click to collapse
freco said:
I used to charge my Note 10+ to 100%, every day plug it while in my car or plug it to my laptop now and then. After 2 years of use battery health was 89%.
On my Lenovo laptop I stop charging at 60% as suggested by Lenovo vantage. Bull****. Battery lasts a lot less after one year. Almost the half.
Enjoy your gadgets and mobiles. Anyway after 2 years most of us get a new one.
Click to expand...
Click to collapse
I use the 60% protection on my Lenovo as they suggested and gess what, after 8 years my battery still works fine, and lasts for 2h/3h. I used my laptop every workday on heavy use, and it's the most cheap line, it cost me 300€ in 2015 (Lenovo G50-30 Celeron N2840). It's all day pluged, but when i need to use on battery it's fine!
So i realy think this battery protection works, and my S22 Ultra it's for last at least 5 years, and the 85% it's enough to run my workday.
burnin said:
I use the 60% protection on my Lenovo as they suggested and gess what, after 8 years my battery still works fine, and lasts for 2h/3h. I used my laptop every workday on heavy use, and it's the most cheap line, it cost me 300€ in 2015 (Lenovo G50-30 Celeron N2840). It's all day pluged, but when i need to use on battery it's fine!
So i realy think this battery protection works, and my S22 Ultra it's for last at least 5 years, and the 85% it's enough to run my workday.
Click to expand...
Click to collapse
Maybe. Depends on usage. On my N10+ which is heavily used with frequent charge cycling from 40-60% to 72 to 85% most times I get about 2 years out of a battery. Higher battery temperature shortens the lifespan as well. Fast charging is more stressful as is using the device right after a fast charge. High current drain while in use is also stressful; optimize the device to increase SOT and battery lifespan.
Frequent partial charge power cycling can extent the typical 200 full charge cycles to 800 or more. A partial charge is not a full charge cycle.
Start charge temperature matters.
It's an electrochemical reaction, heat is required for it to charge properly!
-//-
Never attempt to charge if near freezing
Fast charging will not engage if battery temperature is below about 55F to protect the battery.
Charging below 72F or above 103F can cause Li plating which will permanently degrade the cell.
Optimum start temperature is 82-90F, cutoff is 100-102F max. Cool if needed.
Regardless of service time replace the Li when it reaches 80% of its original capacity. At 80% it's reached the end of its service life and is considered degraded. Degraded Li's are more likely to fail
Any swelling is a failure and it can destroy the device. Battery replacement isn't hard or expensive. Just part of routine maintenance...
maor23 said:
I have always charged my phones to 100%, this 85% thing is very new to me.
I've never heard about it before until I saw it in my S22 ULTRA.
What are the benefits of charging only to 85%? Does it last as much as with 100%?
Does it really recommended to charge it up to 85%? Im not an heavy user, but also I'm not changing my phone once a year, I'm changing it one time in 3-4 years.
Also, I tried to never charge my phone at night, and trying to catch the battery not lower than 10-15 percent to charge.
So basically, it bothers me a little bit in the eye to see that the phone is only about 85%, because that way basically the battery will run out much faster(significantly, yesterday 10% went down in 45 minutes, which means I'll lose 45 minutes from battery usage for nothing).
So, my question is, is it really worth it? Is there a significant difference between the two options? I'd love your help, thank you all!
Click to expand...
Click to collapse
Here is a good article why it's recommended to not load the batt to 100%
How to maximize battery life: Charging habits and other tips
If you've ever wondered what the best way to charge your battery is, here are some scientifically proven tips for maximizing battery life.
www.androidauthority.com
Personally i just keep the load between 65% and around 20-30%. Only if i know that i will leave the house longer than 4 hours I do a 85% load or 100% if i want to film and take photos. But this rarely happens.

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