Question Max charge not working anymore? - Red Magic 8 pro

Hello!
I have been using RM8P for the past 2 weeks and everything was fine, the 65W EU adapter charged it really fast, however today I noticed something. I noticed that when I plug in the adapter to charge, the Maxcharge logo appears and the percentage displayer starts to rise fast, however after 1-2 seconds it slows down to normal charging speed, like if it was only a 20-30W adapter.
Why? How can I fix it? Restarting the phone did not help. I am on the latest OS for EU (3.19) .
Maxcharge logo is displayed but the speed drastically descreased ...

I checked several times while charging and I noticed that sometimes it speeds up and sometimes it slows down... why? Why is it fluctuating ?

What is the battery level when you plug in? My understanding of charging tech is that it is not always full speed from min to max. If you're sometimes plugging in above that throttle level it may go slower.
Then again, I'm not 100% on new charging tech. My RM8 has yet to arrive.

In my experience, it's not the phone but the charger. With my old op9pro it happened more than once, the charger started failing, you could get another 65w rated charger and check with accubattery the power delivered by both chargers. Down here they shipped the phone with the eu charger and a standard American charger rated "65” the eu Nubia charger goes to 64/ 65 watts without issues (I use an adapter to connect it) , the bundled one even though is rated 65 only gives 45w, sometimes 39, which is a bit annoying but it doesn't bother me, as long as I can charge it while having a shower or when I'm having breakfast before taking off, it does the trick, this thing is so good, battery lasts me 2 days

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[BATT] How long does it take yours to charge?

It takes mine ages. I can leave it plugged in for hours and it only charges a bit. Right now Battery Monitor widget estimates 8 hours on "AC" and 12 hours on "USB" for a 100% charge - 3/4 hours from 64%. That's slow, no?
I only get +2-400mA (341mA right now, sometimes less, or more) when plugged into my 5v-1A AC charger. How about you guys?
Any one else got charge times from a program like Battery Monitor Widget?
Takes about 4 hours from 1% to 100%
my HOX is charging.. i plug it at 9% 1 hour and 40 minute ago.. its 71% now..
Supaiku said:
It takes mine ages. I can leave it plugged in for hours and it only charges a bit. Right now Battery Monitor widget estimates 8 hours on "AC" and 12 hours on "USB" for a 100% charge - 3/4 hours from 64%. That's slow, no?
I only get +2-400mA (341mA right now, sometimes less, or more) when plugged into my 5v-1A AC charger. How about you guys?
Any one else got charge times from a program like Battery Monitor Widget?
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That's very very slow. Check your cables, are they frayed? Cos I'm currently using the cable that came with my Desire Z and it's starting to fray pretty bad, and I'm only getting about 300-400mAh charge in. Used to charge at around 750+. I switched USB Cables (same charger, just different cables) and my charge rate jumped back to 750. Do note that charge rate slows down the closer it gets to 100%.
Mine took almost 3hrs for 0 to 100% charge.
3-4 hours from 5% to 100%
On the USB in college I get 20% is 2 hours lol on charger about 3 hours.
Sent from my HTC One X using xda premium
That's weird then. Maybe I should buy a new cable. Do most of you get 700mA+ readings when charging?
The cable is very new, but I did get it from a shady seller - maybe it has a problem. I will get a new USB cable this evening.
It COULD be the problem? That's only from my own testing though. Try it with a friend's cable or something. Nokia and Samsung phones use the same Micro USB to charge.
Mine will go from 2% to 100% in 3 hour 5 min with an USB charger of 1.5A output.
jenglish7 said:
Mine will go from 2% to 100% in 3 hour 5 min with an USB charger of 1.5A output.
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Click to collapse
Unfortunately the HOX is limited to a 1A input charge /:
i'm at my wits end, i bought an HTC one X today, and plugged it to the charger cos it was 7% of energy, it's been off for 3 hours and i turn it on and it says 8%, i'm using the cable and the charger that came with the cellphone, what could i do?, i even got a message while running the setup procedure that the phone consumes more energy than what it receives via AC, what to do? i'm worried
mp3elv said:
i'm at my wits end, i bought an HTC one X today, and plugged it to the charger cos it was 7% of energy, it's been off for 3 hours and i turn it on and it says 8%, i'm using the cable and the charger that came with the cellphone, what could i do?, i even got a message while running the setup procedure that the phone consumes more energy than what it receives via AC, what to do? i'm worried
Click to expand...
Click to collapse
You've got a misbehaving app somewhere. Restart your phone and try again.
with the original charger and cable, it takes me roughly 3 hrs to fully charge my one X from 10%~ to 100%
with the cheap cable I bought and the Iphone charger, it takes me 4 hrs to charge from 9% to 90% ~ about 5 hrs to fully charge ~
I don't use my laptop's usb to charge, and I believe it will take much longer ~
With the official HTC cable that came in the box its taken me 3 hours to charge about 40%. Please someone tell me this is faulty.
Also the battery has never lasted more than 2hours 20 mins on screen with medium/heavy usage. and no more than 1 hour 30 with heavy usage (HD Video/streaming)
ALso when i unplug the charger at 100% it drops down to 90% within 10 minutes and then continues to plummet. I got around 6hours off screen time with music playing before it died.
Anyone have this issue?
mp3elv said:
i'm at my wits end, i bought an HTC one X today, and plugged it to the charger cos it was 7% of energy, it's been off for 3 hours and i turn it on and it says 8%, i'm using the cable and the charger that came with the cellphone, what could i do?, i even got a message while running the setup procedure that the phone consumes more energy than what it receives via AC, what to do? i'm worried
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Click to collapse
The same thing happened to me today. I've noticed charging from a computer's USB gives a higher charge amperage.
I just ordered a 2A USB charger, but I also found that if I power off the phone and charge it, it charges very quickly.
ahmadcentral said:
With the official HTC cable that came in the box its taken me 3 hours to charge about 40%. Please someone tell me this is faulty.
Also the battery has never lasted more than 2hours 20 mins on screen with medium/heavy usage. and no more than 1 hour 30 with heavy usage (HD Video/streaming)
ALso when i unplug the charger at 100% it drops down to 90% within 10 minutes and then continues to plummet. I got around 6hours off screen time with music playing before it died.
Anyone have this issue?
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Click to collapse
That sounds like a serious problem. I would send it back. Although, you should poke around and see what's consuming all the energy.
Charging times without looking at the battery monitoring application reporting where energy is spent does not help much to understand where the problem is.
If the phone is really idle with good GSM coverage, no particular GSM activity and Wifi switched off, then more than 2 or 3 hours either shows that the charger isn't powerful enough (could happen with a car cigarette-lighter->USB charger or any charger that delivers less than 1A/H), or a faulty charger or battery.
If one has good charging times when the phone is switched off, then the problem is more likely related to the software running in the phone, fiddling with the phone while it's charging (keeping the screen on) or because of RF activity (GSM, Wifi).
So first switch the phone off, charge it at 100%, look at the time it took and if it's okay then look at the battery monitoring app to understand where energy is spent when the HOX is turned on...
what apps or widget do u guys use to see how much current(mA) is being charge to the phone?
hi all
mine charges from 25% to full in a little over 2 hrs
thats with the htc charger that came with it an the usb supplied by htc .... i have other leads that i used with my old deisre (non htc) and i gfet a very slow charge time .... i have got from ebay som high quality leads (if 2.99 post free is high quality) and they charge quickly so id say the onex is quite fussy over what leads you use to charge it
mind you im loving the phone have rooted mine and have the leedriod rom which is awsome
tony

Oem charger heat up the phone?

I just bought an use xl. The oem accesories were never used seems he was charging the pixel mostly in his car. Now im using the official oem charger and cable and heat up the phone like crazy. It does say rapid charging but even the time went up to 3 hour estimated time to fully charge which is crazy. Now using a galaxy s7 edge dock charge and some spare usb c cable i had the phone does not heat up,. Charge in quick charge and it take like an hour and 20 minute to fully charge..... Im i missing something here?
Charging time left is not static it changes with temperature. If your phone is already reached 42 45 degrees which generally correct it slows down charging. And also it heats up if you are using your phone during fast charging intervals which is first 20 min. Also even when you don't use it, it heats up because of wake locks (charging). Also i realize a hot climate is a factor. For oem charger it can reach 3 amps so it is normal for heating and most other chargers supply less so it does not heat up. Soo it is like a design problem you can charge your phone super fast but it will heat up so charging speed will vary but i think in the end it will still quick enough.
Why do you think they advertise quick burst charge instead of quick full charge ?

This is driving me mad, no more super fast charging?

I charged phone previously and after 70 mins, it was fully charged. Today, left it in to charge and returned after 80 minutes expecting it to be 100% as usual.
But now it was as in the image. What is going on?
And yes, obviously, this IS the factory charger.
Very odd. 13 minutes later, charger is very hot... And not it jumped from 44% to 70%.
But the estimate is still 37 minutes, which seem to be very long time.
I thought the super fast charger is the 45w charger that you need to buy separately?
No, I meant then fast charger, the 25W provided with the phone one.
big_ipaq said:
Very odd. 13 minutes later, charger is very hot... And not it jumped from 44% to 70%.
But the estimate is still 37 minutes, which seem to be very long time.
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The charger is receiving an improper voltage from the outlet, either that or it's not plugged in all the way.
I plugged in my Note last night and it started heating unusually, same for the wall charger. Come to find out the wall charger came loose and was halfway into the wall so it was giving an improper charge and making both the phone and the charger heat up. It was reading "fast charging" but not putting the regular ETA of around 50 minutes that it usually takes.
I put the charger in a much better placed outlet and made sure it was in all the way and the problem went away.
This might be the case. I heard the charger or the socket making funny noises so I reconnected it and it went to normal.
I was wondering these days about it and I think the estimated time was wrong... Today I tested it having 80% battery with the original 25W adapter and the out-of-box cable, it took about 15min to reach 100%, but until the 90% mark, the AOD indicates 33min to 100% and it jumped after to 22min and 8min when 97%...
So, IMHO, the problem in with the charge time estimate...
TheForceUnleashed said:
The charger is receiving an improper voltage from the outlet, either that or it's not plugged in all the way.
I plugged in my Note last night and it started heating unusually, same for the wall charger. Come to find out the wall charger came loose and was halfway into the wall so it was giving an improper charge and making both the phone and the charger heat up. It was reading "fast charging" but not putting the regular ETA of around 50 minutes that it usually takes.
I put the charger in a much better placed outlet and made sure it was in all the way and the problem went away.
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Click to collapse
Check that outlet! Sounds like a neutral/ground fault!
Ground wire is acting the neutral return.
All the fast chargers slow down when they reach about 90% charging to keep safe the battery. In any brand of phone.

Question S22 Base Charging Confusion / Poor Charge Speed

I have had my S22 base for about a week, and while I am still concerned with the life I'm getting (same apps and usage pattern, about 4+ hours of SOT and 15 hours of mixed use) vs the S9, I had decided to keep it until ...
I can't get the thing to super/fast charge. I do not have a Samsung charger (waiting until I get my voucher) but do have a number of 15W and 25W PD-compliant chargers that work on everything from my S9 to my laptop. Unless I turn the phone off, all of those chargers charge S22 at a rate of 10-20% per hour, with Accubattery readings in the 200-1100 maH range, NEVER a value over that. The battery temp and voltage are well in spec. It is currently plugged into my laptop PD compliant charger at a rate of 900 mA with a "time to 100%" of 30h.
Likewise, I bought 2 car chargers that are S21 certified as well as QC3.0 and PD3.0. It has a 30W port. I used the cable that came with either charger (I've tried a ton of cables) and sometimes it gives a "0mA" reading while other times it goes 200mA-800mA at a good voltage. That means while I don't lose charge, I also don't gain. On my 30 min drive home I went from 23% to 24% with dark mode and no apps running.
Finally, to extend the mystery, depending on which aftermarket charger I use the phone itself thinks I'm Fast Charging or Super Fast Charging, reporting that on the lock screen and battery screen. On that screen it says something like 30m to 100% even though the observed charge rate is much lower.
Samsung won't talk to me unless I'm using a Samsung charger and I can't wait until I get the voucher/those are in stock ... I have 5 days to return it and unless you can help me (Obi Wan) I'll be back on that track.
icewiz1 said:
I can't get the thing to super/fast charge. I do not have a Samsung charger
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Click to collapse
I use my old 25W (original from N10+) charger and it takes about 1 hour to charge from 15-20% to full. I have the DevCheckPro app showing me at the start 17-18W and about 6-7Amps of charge load initially, at the beginning.

Question Slow charge Android 13 stable

Just put 13 stable on my phone and charging my phone Takes forever I mean it's slow as hell..Wasn't the best on Android 12 but hell on Android 12 it was way faster.. That's the one thing I hate about this phone the battery life sucks an charging the battery is so damn slow..I got all the Adaptive crap turned off.
I'll have to pay more attention to the charging speed on my P6P and let you know what I experience. I try to never use fast charging, never charge overnight, try not to let the battery go below 25% and don't charge past 75%. That 50% range lasts me about 24 hours, but I might use my phone less than you.
I had no complaints about the charging speed on Android 12.
Edit: I'm happy with how much my phone has charged in the last 45 minutes, given that I don't use fast charge methods.
I am having the same issue. Installed 13 stable on my 6 pro. My battery got down to 4% so I plugged it in. I continued to watch YouTube and after an hour it was only up to 8%. Something is def wrong. The battery sucked before but now it's even worse
Updated yesterday and seems ive now got an issue with wireless charging. My phone stopped charging at 81% overnight. Its very intermittent whether it starts charging now on the two wireless chargers i have and seems to stop randomly, not getting to 100%. Charges fine using a cable.
Have the same problem since upgrading to android 13.
According to AccuBattery is the charge current around 900 mA. Way too slow and really annoying!
Didn't have the problem with android 12.
I'm using an Anker Power Port III which can charge with up to 25W. It's the same with other cables and charging devices.
Edit: Attached some screenshots
To clarify one thing for a number of users, you will not get adequate charging speeds without the official charging cable, the 30W Google branded wall brick and good temperature conditions.
The temperature conditions are generally the hardest to control whilst using the device - so I always charge with my phone powered off and have never had an issue. Heck, I generally charge with a 5W wireless pad and it always reaches 100% overnight (usually takes about 5 hours with my minimal wattage charging pad).
*Edit*
In the end - with the official cable usage - my charging speed hasn't changed between A12 and A13.
NippleSauce said:
To clarify one thing for a number of users, you will not get adequate charging speeds without the official charging cable, the 30W Google branded wall brick and good temperature conditions.
The temperature conditions are generally the hardest to control whilst using the device - so I always charge with my phone powered off and have never had an issue. Heck, I generally charge with a 5W wireless pad and it always reaches 100% overnight (usually takes about 5 hours with my minimal wattage charging pad).
Click to expand...
Click to collapse
I think you didn't get my point. I did a comparison between android 12 and android 13. Since the charging speed is reduced dramatically it doesn't matter which cables or charging devices I use unless they are the same.
So we don't discuss absolute charging times here but the fact that by upgrading the OS of our Pixel 6 Pro the charging behaviour changed ceteris paribus.
I charge slowly over night, the charger i use normally charges at 1.5A max, now on A13 it is charging at 800mA
I have ESR magsafe ring. My car charger is working for about 2 minutes and stops. Battery temperature reach 43°C within 2-3 minutes since I upgraded to android 13.
All of the magsafe accessories stopped working. All of the normal QI chargers stopped working. I absolutely hate this phone. First 3 months - no reception in buildings. Still no 5G in my country even with root and signal guru. Now it's not charging wirelessly and only slow charing with cable.
My new guess is it is due to the overheating problem with the update to Android 13.
A lot of people complain about the high temperature. Therefore the phone reduces the charging speed.
Maybe that's also the reason for the problem with the wireless charging. too much heat = no wireless charging. Just guessing...
ATM I rebooted my phone to safe mode. Let's see if this helps.
Somehow I solved the problem. I booted into safe mode. Then I clean the temp files with Google Files. And now my phone is charging with 2mA and above again. Also the temp of the battery is down to 36°. I still think that is the root cause.
veeroohre said:
Somehow I solved the problem. I booted into safe mode. Then I clean the temp files with Google Files. And now my phone is charging with 2mA and above again. Also the temp of the battery is down to 36°. I still think that is the root cause.
Click to expand...
Click to collapse
Doubt this but I will try it and report back
NippleSauce said:
To clarify one thing for a number of users, you will not get adequate charging speeds without the official charging cable, the 30W Google branded wall brick and good temperature conditions.
The temperature conditions are generally the hardest to control whilst using the device - so I always charge with my phone powered off and have never had an issue. Heck, I generally charge with a 5W wireless pad and it always reaches 100% overnight (usually takes about 5 hours with my minimal wattage charging pad).
*Edit*
In the end - with the official cable usage - my charging speed hasn't changed between A12 and A13.
Click to expand...
Click to collapse
well we know for one you dont need that
just a cable capable of the current and a charger that hits PPF standards
and even with/without official chargers it will only peak 21w
im using a £5 Gan charger and a USlion 2M long magnetic 60w cable that can do data aswell and it is doing 20w peak for me on A13 which is what it did on A12 aswell. Both which i bought before the official charger came out
Paz9 said:
Doubt this but I will try it and report back
Click to expand...
Click to collapse
Nope, still charging like a piece of [crap, so,] not sure what Google did with A13 , I use official charger for fast charge, considerably slower than on A12
But yeah 3rd party Chinese charge and magnetic cable no issues. Charging issues are not a13 related it will be some defining factor like an app or hardware
CubnPackdad said:
Just put 13 stable on my phone and charging my phone Takes forever I mean it's slow as hell..Wasn't the best on Android 12 but hell on Android 12 it was way faster.. That's the one thing I hate about this phone the battery life sucks an charging the battery is so damn slow..I got all the Adaptive crap turned off.
Click to expand...
Click to collapse
I am having the same problem
I updated my pixel 5a to 13 stable. It's charging speed decreased a lot . Firstly it took around 1hr 50 min to get 100 now it's lot
more than 3hr. Gets lot of heating while charging.
Sometime it shows "6 hr to full charge" even at (30-40) battery level, and that's really bad .
After 13 Device is heating ( not just warm) so much even in normal uses (No gaming).
My own testing found out as long as battery reach 41 degree C, the P6P will charge at 3.5W only... (While still displaying fast charging). It you put the phone in front of air conditioner vent to lower the temperature to 25 degrees C, then it charging at full 20W.
The P6P easily get into battery y 41 degrees C by just charging at room temperature higher then 32 degrees C. On A12 its pretty difficult to get this... Somehow A13 drive the CPU while charging which I suspect affect the heat dispatching. I used a charging wire with watterage display so its easily see how P6P limiting the charging wattage with temperature.
It was considerably slower for me too. I was in Spain, coming from UK, so had to use adapter. I thought it's the case, but it has also been something with temperatures, I couldn't backup the pictures because the system showed me it's too hot. I hope that was the issue.
I just swith to Android 13 there are ossue with battery . please fix it .you guys are doing great work

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