Question Adaptive charging

Question Adaptive charging - Google Pixel 6 Pro

Have to say I'm impressed by adaptive charging plug my phone into charge and it said will be charged in one hour 44 minutes. Then I set my alarm for 6:00 a.m. and adoptive charging turned on and it changed to your phone will be charged at 100% by 6:00 a.m.

It's a good feature and works well albeit with strict conditions 1) that you start charging your phone after 9PM and; 2) an active alarm is set between 5-10AM

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Battery Charging Issue

I have a wierd issue on the new purchased TP2.
I am recently I owner of Tytn II, just switched over to TP2. Once I received the TP2, it came in a full battery status. Then I used it all up and then proceed to my 1st charge ( over 12 hours, with phone off)
Things happened after I woke up in the morning.
1. No lights on for charging ( I assume that's a new feature when battery is full, instead of charging when red )
2. once I turned on and shows only 45-50% of battery status.
So I used it all up again, and see if it charges on the this time.
I am just wondering if anyone have this charging issue.

Dude, you are not treating your battery correctly. The below link has some useful info. Especially the link in post 3 by Sjuust.
http://forum.xda-developers.com/showthread.php?t=524393
Btw, when it's charging, the status light will be a solid amber. When fully charged, it's a solid green. If there's no light, check your wires and stuff. Perhaps it's a bad socket.

Just doing a follow-up on the issue, the 2nd time not successful too
I tried and it worked only when I turn the device on to get a full charge.
Anyone think it's weird

Seems you mini usb does not connect propper. Try another cable, if this works you know the problem.
Or: press the male side of the mini usb each direction until you see a light burning. If this happens the usb opening in the phone is broken and you should get it fixed.
If this all does not work, still get it fixed. It's probably not the battery, but the usb opening in your phone.

D810Noob said:
I have a wierd issue on the new purchased TP2.
I am recently I owner of Tytn II, just switched over to TP2. Once I received the TP2, it came in a full battery status. Then I used it all up and then proceed to my 1st charge ( over 12 hours, with phone off)
Things happened after I woke up in the morning.
1. No lights on for charging ( I assume that's a new feature when battery is full, instead of charging when red )
2. once I turned on and shows only 45-50% of battery status.
So I used it all up again, and see if it charges on the this time.
I am just wondering if anyone have this charging issue.
Click to expand...
Click to collapse
that is very unusual as when phone is fully charged it stays on constant green light(led). at no time should it go off. unfortunately your battery may just need a few more normal charging cycles to achieve its full potential. if the led light goes off that is another issue! have you added any battery customizations?

Same problem here
I have - more or less - the same issue as D810Noob. My TP2 came fully charged out of the box. First time I charged it, the amber light was on during charging. Next morning no light was shown. I am not sure, but as I recall it, the battery was 100% charged. In the recent days, after one night charging (phone switched off) the green light is being shown but battery meter shows 89% (yesterday) or 91% (this morning). I have the 1% increment battery driver installed with the greenbatteryfix-icon installed.
This morning, after having switched on the phone and after having been confronted with 91% charge status, I reconnected the phone to the charger until it reached 100% (left the phone on during charging). With only two calls of two minutes in total and gprs (no hsdpa) running for two mail accounts, battery status dropped two 80% in 5:30 hrs. Never had such a drain with my TYTN2 that had (more or less) the same configuration.
It may very well be that my battery is not (yet) calibrated correctly, albeit that I fully discharged it last night. I will redo this a couple of times before returning to the shop, but this needs to be improved otherwise I will go back to my TYTN2.
Cheers, Dela

Still having this issue. I have drained my phone completely yesterday evening until it switched off itself. Ten restarted until it switched off again. Then had it charge for forteen hours (phone switched off). When I switched on the phone this morning, battery meter showed 96%. A bit more than an hour later it shows 80%. Had no phone calls, only receipt of six emails and half an hour drive in my car with BT connection. BT is on continiously, BTW.
This does not look good, does it? Anyone who can shine a light on this?
Cheers, Dela
PS: the charging light was green when I took it off the charger this morning, whilst the battery meter showing the 96% charge status right after the startup.

Battery Charging observation

Here are my observations.
1) While charging with the phone power off. I notice I won't get a full charge (95% show when I have my phone on) Then the power will drop very rapidly. 4 hours standby and i am on 90%
2) Charging with the phone On, by in sleep mode. Same issue. Green light on and my phone show around 98%, and after 4 hours of use. drop to around 90% ish.
3) Method 1 or 2, Then i unplug the USB and plug in again. Phone will charge for around 10min. Battery indicator show 100% full charge. I manage to use the phone for:
- 58 hours standby
- 2 hours of talk time
- 5 hours of device operation
The device configuration is the same. Programs are install the same.
Anyone having the same issue?

I noticed with mine if i plug it in at night when i sleep it will charge fully then die while charged. Example. i will charge it from like 5% then ill wake up at like 4 am and see its 100% but ill leave it plugged in then in the morning when i get up it will be between 89%-95%.

You are using the battery patch. But it isn't fully accurate so it's hard to make any conclusions

My 2nd test result.
With the method of just leaving the phone charge overnight and unplug in the morning without topping the battery back to 100%. the result is
Standby: 41 hours and 40 min
Talk Time: 42min
Device Usage: 3 hours and 36min
Let me charge it again tonight and top up to 100% in the morning before i use the device. see if the usage time be better.

What I have noticed is that after the phone reaches 100% it stops using mains power and switches to battery.
So if I plug it in at 10pm, and it reaches 100% by say midnight. It will be running off battery from midnight, so when I wake up it is often down to 90-95%. The charge light still shows green.
This is backed up by the info in power section of the settings, which shows the "last full charged reached" or similar section.
So in summary, even if it is still plugged into the wall, after hitting 100% it will switch to battery (even though the phone indicates charging).
Anyone got a solution for this?

Last full charge was on 8th August. 3G ON 24/7 for Push E-mails
Standby time - 30hrs and 6mins
Device Usage - 3hours and 11mins
and I still have 60% battery left.

powersquad said:
Last full charge was on 8th August. 3G ON 24/7 for Push E-mails
Standby time - 30hrs and 6mins
Device Usage - 3hours and 11mins
and I still have 60% battery left.
Click to expand...
Click to collapse
Jeez, mine wont last more than 8 hours with gprs and push email..

Does anybody elses TP2 switch to battery power once 100% charge is reached?
And anyway we can fix this?
Very annoying to wake up to a phone at 90% charge even thought it is plugged into the wall.

Battery drops from 12% to 0% in seconds & >4.3V at 100%

I've seen a few post regarding the 4.3V at 100% thing, but they're too old and haven't really given me much information.
My main issue is that I'm experiencing unusually rapid battery drops after my phone reaches 12% charge, it'd drop to 0% in just a few seconds. I downloaded a few battery calibration apps thinking that it might be a calibration issue. In that process, I noticed that the voltage read by these apps (and even in the *#*#4636#*#* menu) when fully charge is 4,38 volts. It was my understanding that Li-Po batteries should be fully charged at 4.2 volts and that charging past that point is harmful for the battery.
I also noticed that if at this point (charged at 4.38 volts - 100%) I unplugg the charger, the battery indicator would show 100% for a while, until the voltage drops below 4.2V, at that point the porcentage would change to 99%, so it seems that the device is set recognize 4,2V as fully charge, but it continues charging after that point. Also, the green light turns on at 90%, is this normal?
I tried calibrating using this app but with no results. I'm trying the manual calibration now. What is going on here? Could this be a clibration issue or do I have a faulty battery?

I think it is not normal. My P6 drops even a little bit slower from 10%. current my P6 is on 6% and 3,627V. (Edit: Turn off: 3,55V / After charge 100%: 4,32V)
Next time i will charge, then i post the Voltage at 100% for you.
To calibrate the accu you don't need any app. Use P6 until it is automatic power off. Now turn it on so often until it will not start anymore, and only show a red accu on screen. Now charge to 100%, turn on, unplug charger. Now your accu is calibrated.

heross said:
I think it is not normal. My P6 drops even a little bit slower from 10%. current my P6 is on 6% and 3,627V. (Edit: Turn off: 3,55V / After charge 100%: 4,32V)
Next time i will charge, then i post the Voltage at 100% for you.
To calibrate the accu you don't need any app. Use P6 until it is automatic power off. Now turn it on so often until it will not start anymore, and only show a red accu on screen. Now charge to 100%, turn on, unplug charger. Now your accu is calibrated.
Click to expand...
Click to collapse
Thanks, heross. So apparently the >4.2V @ 100% is not so unusual. Does your phone remain at 100% for a relatively long time and drops to 99 after the voltage is below 4.2V? Mine does that, and it also turns the led green when it reaches 90%.
I'm sure the dropping from 12% o 0% in seconds cannot be normal, but I'm wondering if the above is a symptom that something is wrong or
if it's normal.
EDIT: Ok, the phone just turned off by itself, the quick drop hapenned as usual (12% to 0% in less than a minute) and the voltage fluctuated between 3,1 and 3,3 volts in the process, maybe even less than 3.1 V, but I'm not sure. I took a series of screen shots 2 seconds apart, I'll post them when I turn the phone on again, I'll let it charge as you suggested.

Yes LED green at 90% is normal. My P6 drops to 99% after 1-2minutes screen on or after a boot without charger.
12% to 0% in seconds is definitely not normal. Normal it goes down very slowly to 3% then it comes a Info and after 30sec it power off.

Hi
heross said:
Yes LED green at 90% is normal. My P6 drops to 99% after 1-2minutes screen on or after a boot without charger.
12% to 0% in seconds is definitely not normal. Normal it goes down very slowly to 3% then it comes a Info and after 30sec it power off.
Click to expand...
Click to collapse
Finished charging.
I've turned the phone on and it has been sitting at 100% for about 25 minutes at 4,348V with the screen on. (I even played a video with full brightess). After that it droped to 99% and 4,079V[/B]. That can't be normal.
I saw that the P6 battery is rated 4,35 volts, so i'm not too worried anymore abut that voltage and everyone else seems to have the same values, but this quick drop with 12% and the fact that it stays for so long at 100% does worries me.
The screenshots were taken 2 or 3 seconds apart. It doesn't give me a low battery warning at 15% like most phones, but at 8%

I'm still having this extremely annoying problem. The goddamn battery goes from 12-13% to 0% in a blink of an eye. I just plugged the charger at 8% and it show 0% right after and started charging from there. Voltages are strange too, it shows ~3,6 volts when it started dropping quickly. It has charged ~20% in less than ten minutes. Look at this behavior: sudden voltage drops, never went below 3,3V and dies at 3,6V (almost nominal voltage)
I've tried calibrating several with several methods a few times, I'd prefer to stop doing that since I know it stresses the battery.
Has anyone had this issue? Can someone please shed some light on WTH is wrong with this troublesome phone?

Saw this post now. I have the same problem but it is from 9% to 0% . I don't think it is the battery, i think it is how android reads your battery info. I managed to calibrate mine by charging it when off from 0% to 100%-didn't last for long, the problem appeared once again.
It stays to much at 100% after charging, so we have the same battery life. Might be the kernel, don't know. I home when emui 3.0 is relased comes with a new kernel as well.

mcgyani said:
Saw this post now. I have the same problem but it is from 9% to 0% . I don't think it is the battery, i think it is how android reads your battery info. I managed to calibrate mine by charging it when off from 0% to 100%-didn't last for long, the problem appeared once again.
It stays to much at 100% after charging, so we have the same battery life. Might be the kernel, don't know. I home when emui 3.0 is relased comes with a new kernel as well.
Click to expand...
Click to collapse
I also managed to fix it once, I don't remember exactly what I did (I've tried so many things) but it didn't last long either, it discharged normally one time, but the next time dropped from 12% to 0% again in seconds. When will EMUI 3.0 be released?

They said emui 3.0 will be released in the middle of november for p6 but they also said that it will be available for p7 since october -they kept their word and it is available but only for the chinese versions of p7. So i would expect emui 3.0 for p6 in december for the international version.

mcgyani said:
They said emui 3.0 will be released in the middle of november for p6 but they also said that it will be available for p7 since october -they kept their word and it is available but only for the chinese versions of p7. So i would expect emui 3.0 for p6 in december for the international version.
Click to expand...
Click to collapse
Ok, I think I managed to calibrate it, I'm not sure yet, I will update once the battery is drained so I can see how it behaves at low charge, but there are indications that it's working.
If you're experiencing the same problem as me, then you've probably noticed that after your phone drops quickly from 9% (in your case) to 0% and you plug the charger, the battery will charge up to 9% also very quickly. If this happens, then Android is not reading the battery info right and you'll get a 100% reading before it's actually fully charged, and will keep on charging past that point (which I believe is why it stays at 100% for such a long time). It'll obviously drain from 9% to 0% again once it's discharged - because it's not really at 9%, it's much lower.
So, if we can manage to get Android to display normal charging speeds at low charge, then the battery should be calibrated. This is what I've managed to do.
Here's how:
1. Get a Battery Monitoring App (I use Battery Monitor Widget) and set the update intervals to 1 minute
2. Let your battery drain and your phone turn irself off until you can't turn it on
3. Plug the charger and turn the phone on. Watch how the charge increases in this process, it'll most likely charge too quickly (See graph screenshot - blue arrow: a steep slope indicates quick, abnormal charging speed readings)
4. Wait 5 minutes or until it reaches 10-12%
5. Unplug the charger and let the battery drain again. Watch how it discharges, if it charged too quickly in step 3, it'll most likely discharge quickly too here (You can see in the graph screenshot that the discharging slope in this process is also very steep)
6. When it says it's going to turn itself off in 30 seconds, plug in the charger (don't let it turn off).
7. If the 'turning off' message appeared, say, at 2%, your phone will probably display 0% after you plug the charger (i know this makes no sense, but it happens like that)
8. Let it charge and watch how it's charging.
After doing this my battery charged at a normal rate (Graph screenshot - red arrow) and it behaved normally approaching full charge (current started decreasing approaching 100% - green arrow). It didn't stay for ages in 100% after unplugging the charger either, just 1 hour in deep sleep (2nd and 3rd screenshots), which I think is fine because I used to unplugg the charger at night and wake up to a 100% battery, so it seems Android is reading battery info correctly now.
I hope this works for you too, mate (And that it will last more than one charge cycle).
I'll update tonight with low charge behaviour, but I'm pretty sure it'll discharge normally.
EDIT: It didn't actually eliminate the problem, but it got a little better, it now drops from 7% to 4% (instead of 12-13%) and stays at 4 for a while.