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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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Click to collapse
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.

Charging speed seems slow than expected on Pixel 2

Hi all! My Pixel 2 charges fast(~2700mA) up to first ~20%, then the current changes to 1370mA till almost to 90%, then slows a bit till the 100%. I have used Ampere to check the charging speed. I expected the phone to charge to at least 50% at a fast rate, then slow down a bit.
I recently acquired the device and it had May patch, but then after setting the device up, it prompted me for June patch and I installed it. Don't know if the new update could be the problem.

The phone will take battery temperature into account as well. Do you have a way to monitor that and correlate it with where the current switch points are?
Sent from my Pixel 2 using Tapatalk

DurhamHusker said:
The phone will take battery temperature into account as well. Do you have a way to monitor that and correlate it with where the current switch points are?
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I charge my phone early in the morning where it was not used all night. No battery drain apps at all. It just charges from almost 0 to 20 percent really fast, but then slows to a steady 1370 mA.

What I mean is ... Try charging from a different start point.
By the time it's charged at 2.7 amps to go from 0 to 20 it might be getting warm. You might try charging when it's at 20 and cool and see what happens. Or stop at 20 and let it cool down before going any further and see what happens.
Sent from my Pixel 2 using Tapatalk

DurhamHusker said:
What I mean is ... Try charging from a different start point.
By the time it's charged at 2.7 amps to go from 0 to 20 it might be getting warm. You might try charging when it's at 20 and cool and see what happens. Or stop at 20 and let it cool down before going any further and see what happens.
Sent from my Pixel 2 using Tapatalk
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Oh, I see now. Good point. Will try it!

Charkatak said:
Oh, I see now. Good point. Will try it!
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Click to collapse
DurhamHusker said:
What I mean is ... Try charging from a different start point.
By the time it's charged at 2.7 amps to go from 0 to 20 it might be getting warm. You might try charging when it's at 20 and cool and see what happens. Or stop at 20 and let it cool down before going any further and see what happens.
Sent from my Pixel 2 using Tapatalk
Click to expand...
Click to collapse
So I did some testing and here is what I see:
Phone starts to charge at a good 2700mA rate for ~ a minute, then slows down to 1370mA. It doesn't really matter if phone has 5% of battery before I start charging or 20% or 40%, the charging pattern is the same. At start the battery temperature is ~32 C and when it charges at 2700 for that first minute or so, the temp rises to ~36 C, then phone drops the charging rate to 1370. Phone is pretty much room temperature and not hot or anything like that. I have 2 Google chargers; One is from original Pixel and the other is from Pixel 2 box. Both do the same thing and charge at the same rate.
There are no abnormal app activity or any battery drain. I am using Ampere app to check mA. Did anyone come across this?

It appears you've discovered the magic battery temperature cutoff that HTC has selected for the Pixel 2 ... and that seems to be around 35 or 36 degrees.
For every 10 C rise in temperature, battery degradation doubles by almost every measurable metric. It doesn't surprise me that at around 35 C your phone appears to limit the charge current ... seemingly to avoid making the battery any hotter. Taking the temperature higher for the charge cycle (or for any other reason) will degrade the battery over time. Deep discharges toward zero also reduce the life of a battery. (Keeping it at 50% or higher is recommended for lithium-ion rechargeable batteries.)
If you can cool the phone down to 25 C before starting to charge, I'd be willing to bet that it will charge at the higher rate for longer. Maybe put a small fan on the phone or set it in front of an A/C vent while it charges and see what happens then.

DurhamHusker said:
It appears you've discovered the magic battery temperature cutoff that HTC has selected for the Pixel 2 ... and that seems to be around 35 or 36 degrees.
For every 10 C rise in temperature, battery degradation doubles by almost every measurable metric. It doesn't surprise me that at around 35 C your phone appears to limit the charge current ... seemingly to avoid making the battery any hotter. Taking the temperature higher for the charge cycle (or for any other reason) will degrade the battery over time. Deep discharges toward zero also reduce the life of a battery. (Keeping it at 50% or higher is recommended for lithium-ion rechargeable batteries.)
If you can cool the phone down to 25 C before starting to charge, I'd be willing to bet that it will charge at the higher rate for longer. Maybe put a small fan on the phone or set it in front of an A/C vent while it charges and see what happens then.
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That is interesting as I have had different phones which got even warmer than Pixel 2, but still charged at a good rate. I do know that after 80% of charge of so, the charge rate does go down, which isn't a surprise to me. I just picked up my phone, after it was sitting idle for few hours and see that battery/phone temp is 25 C. I will make sure to start charging phone at a low temperature and see if it will keep the fast charge rate longer.
What you mentioned about the "keeping battery at 50% or so). Did you mean that when battery goes down to 50 or so %, charge it? I usually run battery until about 30 or so % before charging it.

Charkatak said:
That is interesting as I have had different phones which got even warmer than Pixel 2, but still charged at a good rate. I do know that after 80% of charge of so, the charge rate does go down, which isn't a surprise to me. I just picked up my phone, after it was sitting idle for few hours and see that battery/phone temp is 25 C. I will make sure to start charging phone at a low temperature and see if it will keep the fast charge rate longer.
What you mentioned about the "keeping battery at 50% or so). Did you mean that when battery goes down to 50 or so %, charge it? I usually run battery until about 30 or so % before charging it.
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Yes, charging it when it gets to around 50%, based on a number of studies, seems to be the way to go.
Deep discharges and hot temperatures are enemies of battery life for today's lithium-ion cells.

DurhamHusker said:
Yes, charging it when it gets to around 50%, based on a number of studies, seems to be the way to go.
Deep discharges and hot temperatures are enemies of battery life for today's lithium-ion cells.
Click to expand...
Click to collapse
I have tried just now to start charging the phone when it is 23 C, but still get the same result. Could it be the June security patch?
Update: So the phone charged by rate of 1370mA from 22% to 100% in 1h 25m. So going from 0 to 100% should take ~1h 45m? Can anyone confirm how long it takes to charge Pixel 2 using original charger?

DurhamHusker said:
Yes, charging it when it gets to around 50%, based on a number of studies, seems to be the way to go.
Deep discharges and hot temperatures are enemies of battery life for today's lithium-ion cells.
Click to expand...
Click to collapse
Go a reference to these studies?
This app vendor has seen a lot and isn't convinced discharging to low values has much material effect on battery service life. Charging to high levels does, however. Interesting read I think... with commentry on the often quoted Battery University pages. I agree that heat isn't good whatever.
https://accubattery.zendesk.com/hc/en-us/articles/210224725-Charging-research-and-methodology
https://accubattery.zendesk.com/hc/en-us/articles/212988989-About-the-Battery-University-article

WibblyW said:
Go a reference to these studies?
This app vendor has seen a lot and isn't convinced discharging to low values has much material effect on battery service life. Charging to high levels does, however. Interesting read I think... with commentry on the often quoted Battery University pages. I agree that heat isn't good whatever.
https://accubattery.zendesk.com/hc/en-us/articles/210224725-Charging-research-and-methodology
https://accubattery.zendesk.com/hc/en-us/articles/212988989-About-the-Battery-University-article
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Click to collapse
I can't point to anything peer reviewed or funded by the NSF ... so maybe 'studies' is the wrong word.
I've seen the Battery University articles and they've seemed believable to me. It's possible they're flawed. I've also seen articles from these guys - https://www.mpoweruk.com/life.htm ... and other tech writers who corroborate such claims. I've also seen the claims about the high level charging you're pointing to and some who suggest you should keep your battery between 50% and 85% all the time to get the most out of it.

Is there a way to Disable warp Charge & Increase Touch Sensitivity

In my S9+ I have the option to Disable fast charging.I have enough time to charge & can enable it Only When I need it.If Not Does it have adverse affect on battery?In iOS 13 Apple has further gave the option for slow charging.Also I find That in PES 2019 when I flick on screen to pass to a player,It sometimes misses.Is there a way to increase touch sensitivity like in S9+
I switched from Xs Max & touch was very sensitive
Can I use apple 5W charger to charge slow or will it have an adverse effect?

Bump

Use a different charge block if you want slower charging. Are you using an aftermarket screen protector? May i ask why you wan to disable warp?

equlizer said:
Use a different charge block if you want slower charging. Are you using an aftermarket screen protector? May i ask why you wan to disable warp?
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No I'm using it with the screen protector that came pre installed.I want to use this phone for long time & don't want any adverse affect due to warp charge

RISHI RAJ said:
In my S9+ I have the option to Disable fast charging.I have enough time to charge & can enable it Only When I need it.If Not Does it have adverse affect on battery?In iOS 13 Apple has further gave the option for slow charging.Also I find That in PES 2019 when I flick on screen to pass to a player,It sometimes misses.Is there a way to increase touch sensitivity like in S9+
I switched from Xs Max & touch was very sensitive
Can I use apple 5W charger to charge slow or will it have an adverse effect?
Click to expand...
Click to collapse
One good thing about the Warp Charger is that it converts the energy in the brick itself instead of the device (in case of huawei , which does this in the device itself). So yeah warp charge isn't harmful in long term.
https://www.youtube.com/watch?v=uHNG-UYSwSo
daniel from xda explained this here.

This is what you want for preserving battery. Lithium batteries hate overcharging and constant recharging.
https://play.google.com/store/apps/details?id=com.slash.batterychargelimit

larsdennert said:
This is what you want for preserving battery. Lithium batteries hate overcharging and constant recharging.
https://play.google.com/store/apps/details?id=com.slash.batterychargelimit
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This is an incorrect statement. Li-Ion batteries last longer the more often you charge them. Charging from 0-25% you will get 250-350 charge cycles, 25-50% you should get 500-600 charge cycles, 50-75% up to 800-900 charge cycles and charging routinely at 75% or higher you can get as many as 1000+ charge cycles. This is before you see significant reduction in battery capacity.
What Li-Ion batteries hate is a deep depth of discharge . It is harmful to let a Li-Ion battery to drain to under 10% battery. This is from BatteryUniveristy.com
The other statement is correct, the brick is where all the real circuitry is and protects the battery from over heating. It's the heat that kills batteries.

I meant continual charging while full. IE 99% to 100% continually. Over discharging and heat kill them too. Leaving them partially charged affords them the best life. Tesla's also do this not charging to 100% daily for longer battery life.

kirito05 said:
One good thing about the Warp Charger is that it converts the energy in the brick itself instead of the device (in case of huawei , which does this in the device itself). So yeah warp charge isn't harmful in long term.
https://www.youtube.com/watch?v=uHNG-UYSwSo
daniel from xda explained this here.
Click to expand...
Click to collapse
Charging at 1.25C is commonly accepted as "no good" for batteries.

Folks worry too much about long term battery life. I used my 3T for over 2 years with the stock Dash charger. Never seemed to lose any significant battery performance compared to when it was brand new.

After 8 years of using phones with 10 watts or less, even 5v 0.7a chargers, those phones got horrible battery life after a year or so, then my old Op5t and 6 of my wife are both holding strong after a solid year of use with 15W charger. Don't listen to Apple much, they don't care about lying their consumer to then prove themselves wrong a few year later. iP10XSM nearly 4 hours to charge, supports fast charging yet you have to buy the charger. Then next iPhone may come with fast charger included, not before some profit from chargers.

larsdennert said:
I meant continual charging while full. IE 99% to 100% continually. Over discharging and heat kill them too. Leaving them partially charged affords them the best life. Tesla's also do this not charging to 100% daily for longer battery life.
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Dude, after about 85%, the charger will trickle charger. Nowadays phone batteries are very smart, they don't overcharge. When it reaches 100%, it stops charging and keeps it at %100 by trickle charging. It's not harmful at all.
Ppl need to stop worrying and spreading false information.
What you don't want to do is to discharge to under 10% then charge to 100% and repeat. Now that's pretty bad for the Li-Ion battery.
Android has software safeguards as well as a physical charge controller by the battery that keeps the battery from overcharging. Overcharging is not a problem anymore.

No sir, it is you who does not understand battery chemistry. I have plenty of experience using Lithium batteries in high stress situations. 100% in a cell phone is 4.2v. Anything over 4.1v is technically overcharged for the chemistry and 3.9v is optimal.
Trickle charging the last bit is a balance issue even in a 1s cell to avoid even more overcharging otherwise Lithium can handle very high rates.
If someone is concerned with charging to 4.2v the app i pointed out is your solution. I don't believe warp charge itself causes any harm to a battery but at 1c or 4ah charge rate is the safe limit and warp could be delivering 6A on occasion to this battery.

larsdennert said:
I meant continual charging while full. IE 99% to 100% continually. Over discharging and heat kill them too. Leaving them partially charged affords them the best life. Tesla's also do this not charging to 100% daily for longer battery life.
Click to expand...
Click to collapse
None of these phones have an issue if you leave them plugged in. The have a circuit that keeps the battery from charging when full. It stops charging and every few minutes it will let charge very slowly to keep it topped off. No damage to the phone or battery will happen.
---------- Post added at 01:54 AM ---------- Previous post was at 01:46 AM ----------
larsdennert said:
No sir, it is you who does not understand battery chemistry. I have plenty of experience using Lithium batteries in high stress situations. 100% in a cell phone is 4.2v. Anything over 4.1v is technically overcharged for the chemistry and 3.9v is optimal.
Trickle charging the last bit is a balance issue even in a 1s cell to avoid even more overcharging otherwise Lithium can handle very high rates.
If someone is concerned with charging to 4.2v the app i pointed out is your solution. I don't believe warp charge itself causes any harm to a battery but at 1c or 4ah charge rate is the safe limit and warp could be delivering 6A on occasion to this battery.
Click to expand...
Click to collapse
GO back and read my first post in this thread. After reading that and I generally get home with over 50-60% battery. My batteries on the OP5 and OP6 after 1 year, I upgrade every year, only lost about 4-5% total battery capacity. I see people all the time complaining they are already seeing loss of 15-20% battery capacity and it's how they charge and treat their batteries.

Leaving aside the debate of battery health. I accidentaly discovered that if you Flash the latest magisk canary zip, something gets bugged and Warp charge stops functioning. Only regular charge at 1500 mah Is possible. Flashing stable magisk again gestores Warp charge just FYI.

I have a question on how to slow charge Pixel 4a

Since you already know that Pixel 4a supports 18W charging through USB C-C using USB-PD. Is it possible to charge the device a bit more slowly to keep the battery cool and possibly increase its life span?
A simple Google search showed that by using USB A-C cable, it won't be doing USB-PD quick charging instead it will charge using USB-BC (Battery Charging, a legacy standard) which will limit the power at around 7W.
By attaching USB-C end of the quick switch adapter(OTG) that came with the device to power adapter and connecting its other end (USB-A) to the device itself by running a USB A-C cable in between. Will this make the device charge slowly? Can anyone test this?

To find out for sure how much current is being used to charge your phone, you should install an app like this:
Ampere - Apps on Google Play
Measure the charging and discharging current of your battery.
play.google.com

JohnC said:
To find out for sure how much current is being used to charge your phone, you should install an app like this:
Ampere - Apps on Google Play
Measure the charging and discharging current of your battery.
play.google.com
Click to expand...
Click to collapse
question is on how to slow charge the device

Well, just get a 1amp charger or use a non-quick charge cable.
The problem is that you won't know if an amazon description for a cable is accurate or not.
So, the way to make sure it is charging slow, is to use the app I mentioned.

I charge my pixel 4a with a 350 mah charger (it is an old Motorola charger in micro usb, i just put à micro usb to usb c little gizmo).
It is around 1,5 w and charge my pixel 4a in around 10 hours , if the pixel is completly empty. You can also use a 5w charger with a usb a usb c câble, it will be faster but warmer

Any brick or cable that doesn't support that protocol or can't supply enough amps will cause the power controller to default to slow charging.
Most fast charging capable phones also have a software option to disable fast charging regardless of the brick/cable's rating.
The real trick is getting it to fast charge when you want it to

My goal was to charge my pixel 4a during the night with the slowest method to keep my battery as Healthy as possible. The 350mah just give me that. ( i keep my phone four to five years so i Try to take care of my battery)

lop1 said:
My goal was to charge my pixel 4a during the night with the slowest method to keep my battery as Healthy as possible. The 350mah just give me that. ( i keep my phone four to five years so i Try to take care of my battery)
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Don't let it drop below 40% or charge beyond 72% in that case.
At some point it's just easier to replace the battery though

blackhawk said:
Don't let it drop below 40% or charge beyond 72% in that case.
At some point it's just easier to replace the battery though
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This seems more an urban legend this 40 72%, the charging processor take care of that For you.

lop1 said:
This seems more an urban legend this 40 72%, the charging processor take care of that For you.
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Li's prefer midrange usage with frequent partial charges. Cuts down the heat and the high cell voltage that degrades them faster. Degrades them only a fraction of a full charge cycle. Longer lifespan and less time charging for the same amount of mAh. Win-win.
Even today many confuse their requirements with NiCads Thinking they should fully charge/discharge them. Trying to convince some them otherwise is like talking an alcoholic out of drinking booze. "I've always done it that way..."

@blackhawk
but if someone who follows this 40-80 rule, how to reset battery stats?
Can it be done using ADB command?

ashutoshmn said:
@blackhawk
but if someone who follows this 40-80 rule, how to reset battery stats?
Can it be done using ADB command?
Click to expand...
Click to collapse
I really don't use those stats at all. More Google hype that never proved all that useful for me.
I use Galaxy Labs Battery Tracker, the history log* of Accubattery as well as karma Firewall logs to track usage.
Occasionally you may want to do a calibration too as the % accuracy will drift over time.
*as long as my usage stays at >10%@ hour SOT, I'm not very concerned

blackhawk said:
I really don't use those stats at all. More Google hype that never proved all that useful for me.
I use Galaxy Labs Battery Tracker, the history log* of Accubattery as well as karma Firewall logs to track usage.
Occasionally you may want to do a calibration too as the % accuracy will drift over time.
*as long as my usage stays at >10%@ hour SOT, I'm not very concerned
Click to expand...
Click to collapse
and by calibration, do you mean drain to 0 and charge to 100 every once in a while?

ashutoshmn said:
and by calibration, do you mean drain to 0 and charge to 100 every once in a while?
Click to expand...
Click to collapse
Yeah, which I don't like doing. If falls way out of calibration you'll think you're at 20% when in fact you're at 7% for example.
Many say to repeat the calibration cycle 2 or 3 times for it to take.
If the battery has failed this can be a dangerous procedure. How do I know? Just had a battery failure but because of the case didn't see the back cover bulging. All the while I was happily torturing the bad cell for over a month begging it to do its worse
I was fortunate it didn't damage the display of my Note 10+ or worse.
If you encounter erratic fast charging, reduced battery capacity always suspect a battery failure and look for the telltale back cover bulge. These bag Li's can fail at any time especially as they get older.

BTW, people who are reading this, you can charge your 4a at 7.5W (5V*1.5A) using OTG adapter plugged into the charger and a USB A-C cable. The temp. increase of battery is way less than full fast charge of 18W.

ashutoshmn said:
BTW, people who are reading this, you can charge your 4a at 7.5W (5V*1.5A) using OTG adapter plugged into the charger and a USB A-C cable. The temp. increase of battery is way less than full fast charge of 18W.
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Click to collapse
Also bare in mind that even when slow charging you never want the Li cell temp below 72°F, but 82F is a better bottom threshold temperature.
Li plating* can result from cold or hot (>100F) charging regardless of charging rate.
NEVER EVER attempt to charge an Li in near freezing temperatures*
*this can lead to a thermal runaway event

blackhawk said:
Also bare in mind that even when slow charging you never want the Li cell temp below 72°F, but 82F is a better bottom threshold temperature.
Li plating* can result from cold or hot (>100F) charging regardless of charging rate.
NEVER EVER attempt to charge an Li in near freezing temperatures*
*this can lead to a thermal runaway event
Click to expand...
Click to collapse
Billions of Li devices in service around the globe. If this was a 'thing' manufactures would prevent charging at low temps. Not debating the wisdom or detremental effects on longevity of charging at low/high temps. No need to season the spew with faux drama.

DB126 said:
Billions of Li devices in service around the globe. If this was a 'thing' manufactures would prevent charging at low temps. Not debating the wisdom or detremental effects on longevity of charging at low/high temps. No need to season the spew with faux drama.
Click to expand...
Click to collapse
Do what you want... and you're own research*.
You offer zero good advice and a half mass flame attempt.
Lead me, follow me or get the hell out of my way.
*https://www.sciencedirect.com/scien...of the internal,also affect the battery power.
Temperatures I suggested are for optimum performance/longevity with minimum chance of Li plating from multiple sources. They are very conservative.
I just had a battery failure on my Note 10+ that started by slow charging it to 100% at about 45-50°F. Boom, just like that. Took over a month to realize what had happened but that's what started the whole mess. I was fortunate the swollen battery didn't damage my display.

Oy vey - self-designated expert in a box with a short fuse. Happy Mother's day, champ.

DB126 said:
Oy vey - self-designated expert in a box with a short fuse. Happy Mother's day, champ.
Click to expand...
Click to collapse
WYSIWYU... call it like I see it.
Mum's been dead for decades.
Hope your's is not... spend some time with her.
You only get one.

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.
Click to expand...
Click to collapse
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%?
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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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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.
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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?
Click to expand...
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.
Click to expand...
Click to collapse
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.
Click to expand...
Click to collapse
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?
Click to expand...
Click to collapse
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.