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Fast Charging?!?

Hello.
Can someone explain me how on earth does fart charging works on this device?
I've tried the included cable and charger, third party chargers and i don't see any fast charging going on?!? or any indication on screen that it's happening.
I've read somewhere that you need a special cable to use with the included charger (?!?!) is this true? where do you get this cable?
Phone is amazing but the charging part is really is really weird if you ask me.
Thanks.
J.

Joao Oliveira said:
Hello.
Can someone explain me how on earth does fart charging works on this device?
I've tried the included cable and charger, third party chargers and i don't see any fast charging going on?!? or any indication on screen that it's happening.
I've read somewhere that you need a special cable to use with the included charger (?!?!) is this true? where do you get this cable?
Phone is amazing but the charging part is really is really weird if you ask me.
Thanks.
J.
Click to expand...
Click to collapse
it sharges in an hour and half with me
it is quite fast

rowihel2012 said:
it sharges in an hour and half with me
it is quite fast
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Click to collapse
do you get any message saying fast charging?

it doesnt show any fast charging message, so i wouldnt rely on such a message to make sure its working. just use the included cable and charger and ull be fine it takes about 2.5 hours to charge from 0-100% via fastcharge
Sent from my Huawei Mate 8 NXT-AL10 using Tapatalk

Joao Oliveira said:
do you get any message saying fast charging?
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no

rowihel2012 said:
no
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Yeah ...That's why I asked. I plugged a meter to the charger and never saw it go more than 5v 2a.
I think it needs a special cable for the 9v but I can't find any info.
2.5h is not fast charge. My old s6 edge plus used to take around 70-80 m from 5-100% if if you put the remaining 1000mah shouldn't take that long lol

Mean in 30 min 40% recharge . My phone 0 -100% charged in 2:00

trust me, it is fast charge
calculate for yourself: original huawei charger is rated at 9V 2A, thats 18W total. 2A is 2000 mA. mate 8 battery is 4000 mAh.
best case scenario: 4000 mAh / 2000 mA = 2h
now add to that the extra time it needs to charge from 85-100%, because at 85% it automatically slows down charging to prolong the health of the battery and youre at the 2.5h FAST CHARGING time
also, i dont believe for a SECOND that the S6 edge+ charged that fast in your case. check this review: http://www.trustedreviews.com/samsung-galaxy-s6-edge-plus-review-battery-life-and-verdict-page-6
"Fast charging comes as standard with the S6 Edge+ and it works. It charged from 0 to 100% in just 1 hour 45 minutes. Samsung claims wireless charging has also been improved – it’s 27% faster on the Edge+ compared to the normal S6 and S6 Edge."
so thats 105 minutes for 3000 mAh. add to that 33.3% to get to 4000 mAh and u get a total charging time of..... 140 minutes. which is 2 hours and 20 minutes

jbmc83 said:
trust me, it is fast charge
calculate for yourself: original huawei charger is rated at 9V 2A, thats 18W total. 2A is 2000 mA. mate 8 battery is 4000 mAh.
best case scenario: 4000 mAh / 2000 mA = 2h
now add to that the extra time it needs to charge from 85-100%, because at 85% it automatically slows down charging to prolong the health of the battery and youre at the 2.5h FAST CHARGING time
also, i dont believe for a SECOND that the S6 edge+ charged that fast in your case. check this review: http://www.trustedreviews.com/samsung-galaxy-s6-edge-plus-review-battery-life-and-verdict-page-6
"Fast charging comes as standard with the S6 Edge+ and it works. It charged from 0 to 100% in just 1 hour 45 minutes. Samsung claims wireless charging has also been improved – it’s 27% faster on the Edge+ compared to the normal S6 and S6 Edge."
so thats 105 minutes for 3000 mAh. add to that 33.3% to get to 4000 mAh and u get a total charging time of..... 140 minutes. which is 2 hours and 20 minutes
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I will make a full test from 0 to 100. I only charged from 40 to 100 and it took way more than 2 hours... that's why i asked if any special cable was needed. And as i told i mesured the charging rate coming out of the charger and never passed the 5V.
As for non Believing. It's REALLY pisses me off when people write that crap. Why would I lie? what would i gain from it? I sold the phone because i wasn't happy with it.... On the contrary and in case you don't know most sites like the ones you post are PAID to give positive reviews.

I checked with including charger and cable and the app Ampére and it charged with 2800mah. So, in ideaal situation it means a charging time of a proximity 1h and 26min. That means "fast charging". At least in my opinion. ?

Joao Oliveira said:
I will make a full test from 0 to 100. I only charged from 40 to 100 and it took way more than 2 hours... that's why i asked if any special cable was needed. And as i told i mesured the charging rate coming out of the charger and never passed the 5V.
As for non Believing. It's REALLY pisses me off when people write that crap. Why would I lie? what would i gain from it? I sold the phone because i wasn't happy with it.... On the contrary and in case you don't know most sites like the ones you post are PAID to give positive reviews.
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that doesnt make sense what ure saying because in this case the site actually stated a HIGHER amount of minutes that it would take the s6 edge plus to fully charge from 0-100% so what now, theyre getting paid to write negative reviews as well?
also, no, ure not "gaining" anything from that, but people tend to exaggerate a lot, do a quick "drive by" in a thread and post random statements based on non-correctly remembered experiences and this is exactly how false statements are converted into "truths / facts". read my post and tell me where exactly i listed anything wrong. check various reviews on the mate 8, they all stare the same thing: about 2.5h for a full charge, give or take 10-20 min. it also compares perfectly with the charging time of the s6 edge+ in terms of mAh/min, and in fact these two phones are indeed VERY close, mate 8 being at 49mAh/min and the s6 series at around 50-52, so just marginally faster... which, again, is also represented by the numbers i listed in my post before
and again: there is NO extra message or notification stating ure in fast charge mode on the mate 8, it just does its job, thats it!
if ure getting slower charging rates / voltages, make sure to use the original charger and original cable and both with a proper high voltage power outlet.
Sent from my Huawei Mate 8 NXT-AL10 using Tapatalk

I noticed the fast charging only really kicks in if you leave your phone alone. But if you keep using it while it's charging, it just charges at regular speed. But the moment I put the phone down and screen of for 5 minutes, it quick charges like crazy

nighthawk626 said:
I noticed the fast charging only really kicks in if you leave your phone alone. But if you keep using it while it's charging, it just charges at regular speed. But the moment I put the phone down and screen of for 5 minutes, it quick charges like crazy
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Click to collapse
Yes im checked It is true
Sent from my HUAWEI NXT-L29 using Tapatalk

lucky then that i always leave my phone alone when its charging
Sent from my Huawei Mate 8 NXT-AL10 using Tapatalk

nighthawk626 said:
I noticed the fast charging only really kicks in if you leave your phone alone. But if you keep using it while it's charging, it just charges at regular speed. But the moment I put the phone down and screen of for 5 minutes, it quick charges like crazy
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I hadn't tested this. After i turn off my phone, a few minutes later it jumps to 9V 2A on my meter. If you turn it back on it goes down to 5V 1A. Must be a phone security thing, which is kinda cool in a way if you ask me.
Btw Apparently quick charge works with non original chargers too. I have a Cheotech 60W 6 port usb with 2 Quick charge ports (which supports 9V 2A/ 12V 1.5A) and it works Using the original cable though.

Don't use fast charging unless you really need it.
Always fast charging overnite (when you're not actually using the phone for many hours) can only shorten your battery longevity more quickly then with normal charging.

Joao Oliveira said:
I hadn't tested this. After i turn off my phone, a few minutes later it jumps to 9V 2A on my meter. If you turn it back on it goes down to 5V 1A. Must be a phone security thing, which is kinda cool in a way if you ask me.
Btw Apparently quick charge works with non original chargers too. I have a Cheotech 60W 6 port usb with 2 Quick charge ports (which supports 9V 2A/ 12V 1.5A) and it works Using the original cable though.
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is there option somewhere to turn it off? plz
themissionimpossible said:
Don't use fast charging unless you really need it.
Always fast charging overnite (when you're not actually using the phone for many hours) can only shorten your battery longevity more quickly then with normal charging.
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Sent from my HUAWEI NXT-AL10 using Tapatalk

stesteste said:
is there option somewhere to turn it off?
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Click to collapse
When I'm going to recharge for many hours overnite I use a 1A travel charger.

i guess thats the best way to restrict charging amperage although it shouldnt hurt the battery so much, considering that the amperage drops off sharply once level reaches 85% and above...
Sent from my Huawei Mate 8 NXT-AL10 using Tapatalk

Charging a phone with a lower rated current, will cause the charger to "try and match" the current requested.
Amps work in that manner, the device determines the draw. For example, using a 5v 5a (theoretical device) on a 5v 1a device will likely melt your adapter / screw up your phone from improper voltages.
In that case, an adapter may heat up, or if its smart enough (unlikely), it will turn off periodically. Most of the time, it will have an unstable voltage (undervolting) which is how some phones are able to detect an improper charger is used. This is bad for your battery.
I do not recommend charging with a charger that isn't rated for it. This is widely documented.

Charging speed

To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the OnePlus 5 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!

It's about not only charging speeds... But also the heat while charging
And in both situations, dash charge is superior to any quickcharge solution i've tested.

I can confirm. Alot faster and still cool battery. It charges with 3 amperes through than with an anker charger that fills your battery with 1.2 amperes through.

Dash charging is the bomb. Even without the Dash charger, the phone charges awfully fast.

lighting fast

Easily gets through a day with heavy usage with plenty of power left in the battery.

Super fast charging speed.

from 5% to 100% at 68 minutes. No limits ROM, bluspark kernel

I don't think my phones ever overheated.
Dash charge works phenomenally well, I've never known a charger this fast.
Problem for me is I have a tonne of other USB-C chargers which even though they have similar voltage and amp output they sometimes charge slowly or normally, so you would need to buy another dash charge to get the same speeds.
I have another charger (Dash) but no second cable, lost it. Using another USB-C cable doesn't allow Dash, so the cable matters too.

I saw a video on youtube with charge speed comparison between flagship phones, one+5 was fastest there (1 hour 13 mins). pixel 2xl there was around 2 hours 40 mins)

啥？

julianalaqrua said:
I saw a video on youtube with charge speed comparison between flagship phones, one+5 was fastest there (1 hour 13 mins). pixel 2xl there was around 2 hours 40 mins)
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wow, that's fast. what about battery health? I heard that quick charge can hurt the battery in few month

joyshvabra said:
wow, that's fast. what about battery health? I heard that quick charge can hurt the battery in few month
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Fast charging only hurts the battery health if it overheats.

xocomaox said:
Fast charging only hurts the battery health if it overheats.
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so this device can't be connected to wall charger more then 2 hours, right ?

sammyalexandro said:
so this device can't be connected to wall charger more then 2 hours, right ?
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The time connected to the charger isn't exactly a factor here. You could leave it on the charger for days and it likely won't get very hot, because it will only be trickle charging it to keep it at 100%.
Now, there are other things that cause battery life issues, but I was specifically referencing excessive heat, which is the number 1 battery killer.

王老吉祥如意 said:
啥？
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Only English is allowed here. Unless you translate it into English as well.

joyshvabra said:
wow, that's fast. what about battery health? I heard that quick charge can hurt the battery in few month
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My girlfriend oneplus 3 after 1.5 year still got 6 h + sot, dash charge is great

If my phone is on, it usually takes an hour or less. Since the last update it has been faster.

DASH charging is super fast, while charging with QC 2.0/3.0 charger or any other charger its reaaaaally slow.

No heating on charging even if i use this beast.
Gets me full charge in around 100 minutes.
Sometimes it charges really quick around one hourin my office (i think power supply in my office is better than my home) but takes 100 minutes at home mostly.

Slow Charging!

My 1.5 year olf Q6 is charging very slowly. The battery backup is still 1 day. But the charging rate is very slowly. It shows 3hrs+ for a full charge! What can I do?

anirudhs2owner said:
My 1.5 year olf Q6 is charging very slowly. The battery backup is still 1 day. But the charging rate is very slowly. It shows 3hrs+ for a full charge! What can I do?
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Click to collapse
get a minimum 2 Amps charger, this phone supports quickcharging (at least thats what i see, and what others said). the stock cable is fine but you might have to try another cable if your charger is already a quickcharge compatible. i can charge from 0 to full in about an hour with 2 amps, you might get better result with a better charger brick but i can't confirm.

I have a V30+ charging brick. That's QC 3.0 Will it work? EDIT: just tried it. It doesn't work. My phone has never shown Fast charging. It just shows charging. The stock brick is 5V1.2amps.
Which brick do you have?

anirudhs2owner said:
I have a V30+ charging brick. That's QC 3.0 Will it work? EDIT: just tried it. It doesn't work. My phone has never shown Fast charging. It just shows charging. The stock brick is 5V1.2amps.
Which brick do you have?
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Click to collapse
i forgot to tell you it won't show anything that tells you its on quickcharging, the only thing that shows is the faster charge estimation, please try again and observe. my charger brick is a samsung adaptive fast charging with 2amps maximum rating, your charger should be better than mine. borrow another fast charge compatible brick if necessary, and also cable quality matters. else, welp might be hardware issues...

Tried a fresh cable and the stock charger. The old original cable was the culprit for the slow charging time. Charging time has come back to original fast levels. But it's the same with the V30+ charging brick. Don't have another phone that's QC. But will try if I get an opportunity

I'm using Battery saver in Maximum mode (with VIbration enabled) + Comfort View (highest level) with Grayscale. With moderate usage, it takes two days to drain the battery after fully. Though I recharge it at end of every day for an hour for the battery durability. I've also replaced Home with 'ap15 launcher which for me has proved lightest and most practical one.

My lg q6 canadian variant came with fast charging. It's region dependent. Though i don't know if you had fast charge on your variant

Same as my DSK unit. Charging slowly for about 5-6 hour with original wall charger

Not charging at 50w

I wonder why I am not getting the promised charging speed of 50w?
With the screen off I am getting 26.99w at most.
With the screen on I am getting around 12w.
I charged my fone at around 35%. I have a hunch the 50w will only kick in from 0% up to a certain percentage.
Anybody here observed similar results?

50 w is just for the beginning, when your battery is almost 0%.
The charger is not 50W flat. The charging power will change depending on the battery charge.

josuema said:
50 w is just for the beginning, when your battery is almost 0%.
The charger is not 50W flat. The charging power will change depending on the battery charge.
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That is what I was thinking as well. Will do a test at 0% to confirm.

Tested again charging from 4%. Still sitting at 25watts. But i was able to get a full charge in 53 minutes.

Mi 10 pro is 50
Mi 10 non pro is 30
?

badaas said:
Mi 10 pro is 50
Mi 10 non pro is 30
?
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I know. Mine is Mi10 Pro and i'm getting only 25w max.

Machine_Head said:
But i was able to get a full charge in 53 minutes.
I know. Mine is Mi10 Pro and i'm getting only 25w max.
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And? this is an issue? 53 minutes a full charge, and your still claiming on numbers?
Who the hell care about a 25w charge if you doesnt need longer than 53minutes? Where the hell is the issue?

Flash-User said:
And? this is an issue? 53 minutes a full charge, and your still claiming on numbers?
Who the hell care about a 25w charge if you doesnt need longer than 53minutes? Where the hell is the issue?
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I understand your point
but if someone came from 30W charge phone to 50W charge phone
he will expect it to be faster at least, not slower
25W is very good but it is not 50W
I think he is asking to see is it SW bug or HW problem or just a big lie from Xiaomi about how much we should get in real world
---------- Post added at 12:52 AM ---------- Previous post was at 12:48 AM ----------
Machine_Head said:
Tested again charging from 4%. Still sitting at 25watts. But i was able to get a full charge in 53 minutes.
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is the charger 50W or only 30
because from my understanding the global charger is only 30W
also, can you test without USB tester and use the app ampere

abogrhen said:
I understand your point
but if someone came from 30W charge phone to 50W charge phone
he will expect it to be faster at least, not slower
25W is very good but it is not 50W
I think he is asking to see is it SW bug or HW problem or just a big lie from Xiaomi about how much we should get in real world
---------- Post added at 12:52 AM ---------- Previous post was at 12:48 AM ----------
is the charger 50W or only 30
because from my understanding the global charger is only 30W
also, can you test without USB tester and use the app ampere
Click to expand...
Click to collapse
Okay, i had both phones, a OP 8pro (30w charge) and my new Xiaomi 10Pro and compared charging speeds and the Mi10 Pro is much more faster than the OP8 pro, it felt it takes hours until the op8 pro reaches 100%. i dont care about measurements, ampere showed me a peak of ~9500ma at peak on the mi10 pro, no idea about the OP8pro on ampere. My Mi10 pro had a 60w charger but i dont have an usb tester anymore, if the phone got a 100% charge under a hour then everything should fine, isnt?
Maybe your USB tester isn't capable to detect the right power of the charger, as i know these usb testers are only able to count voltages from quick charge (1,2,3...)?? But i can wrong here...

Flash-User said:
Okay, i had both phones, a OP 8pro (30w charge) and my new Xiaomi 10Pro and compared charging speeds and the Mi10 Pro is much more faster than the OP8 pro, it felt it takes hours until the op8 pro reaches 100%. i dont care about measurements, ampere showed me a peak of ~9500ma at peak on the mi10 pro, no idea about the OP8pro on ampere. My Mi10 pro had a 60w charger but i dont have an usb tester anymore, if the phone got a 100% charge under a hour then everything should fine, isnt?
Maybe your USB tester isn't capable to detect the right power of the charger, as i know these usb testers are only able to count voltages from quick charge (1,2,3...)?? But i can wrong here...
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Comparing the two phones, which one do you prefer and why?
Sorry for OT
Sent from my SM-G985F using XDA Labs

tobias14 said:
Comparing the two phones, which one do you prefer and why?
Sorry for OT
Sent from my SM-G985F using XDA Labs
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he he, thats a funny thing, trust me ...
i bought the oneplus8 pro at relaese day as popup edition (cases and headphones included) 999€ and i used it for a bit more than one month BUT i never was satisfied at all, i mean there was a lot of camera improvements over time but i couldn't understand the hype about the display and when it comes to battery life i was a bit disappointed. (My former phone was a Huawei P30 pro) I had the feeling the battery was draining faster than normal and as i said, i never felt completely happy with the phone. So last weekend i surfed in the web and found a shop in the city next to me that sold the Xiaomi Mi10 pro so i decided to take a look on the phone. And trust me, i saw the phone in the store, played around a bit and i knew immediately thats the right one. I compared both phones a lot and until today i doesn't regret the decision. The Phone is Top notch in battery, display, performance i miss nothing from the opo8pro and i'm lucky that i sold the phone. All i kept from the oneplus was the WirelessZ Bullets.

abogrhen said:
I think he is asking to see is it SW bug or HW problem or just a big lie from Xiaomi about how much we should get in real world
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Click to collapse
My point exactly. Notice i never complained about the charging speed. My issue is Xiaomi advertising this to have 50w charging but we consumers are only getting 25w tops. I am trying to figure out why. Will try to charge with the ampere app.

Machine_Head said:
My point exactly. Notice i never complained about the charging speed. My issue is Xiaomi advertising this to have 50w charging but we consumers are only getting 25w tops. I am trying to figure out why. Will try to charge with the ampere app.
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Click to collapse
mine charges with like 50w (45-50w) until about 40% and after that it slows down gradually, which is the expected behavior.
this phone changed the way I use my phone completely! I always charged my devices overnight to 100. but now considering how little it takes to charge this phone I just don't think about charging every time it gets to like 10 I plug it in to 80%.
1% to 80% took 33min, 3502mAh
4% to 80% took 29min, 3227mAh

B!GBOY said:
mine charges with like 50w (45-50w) until about 40% and after that it slows down gradually, which is the expected behavior.
this phone changed the way I use my phone completely! I always charged my devices overnight to 100. but now considering how little it takes to charge this phone I just don't think about charging every time it gets to like 10 I plug it in to 80%.
1% to 80% took 33min, 3502mAh
4% to 80% took 29min, 3227mAh
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Click to collapse
Did you use a tester to conclude you are getting 45-50w below 40%? If so, may I see it? I am suspecting the low reading could be due to my tester.
True, the charging speed changes the way I use my phone.

Machine_Head said:
Did you use a tester to conclude you are getting 45-50w below 40%? If so, may I see it? I am suspecting the low reading could be due to my tester.
True, the charging speed changes the way I use my phone.
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Click to collapse
yup I have some cheapo china testers
the better one (usb c) shows about 45w when charging
the second one (usb a) only allows quick charge 18w because the 65w xiaomi charger uses a half assed usb 3 port (one pin more than usb 2) and
therefore only works if the (usb a) tester also has usb 3 pins. For the same reason if you use a normal usb 2 (usb a to c) cable you won't get 50w
i also tested it again. it charges up to 33% with ~45w and then goes down to ~30w I checked again at arrount 65% it was charging with ~25w. At least these are the values that my tester shows
other values (charge % , time, mAh) in my previous post were readings from the phone itself.

B!GBOY said:
yup I have some cheapo china testers
the better one (usb c) shows about 45w when charging
the second one (usb a) only allows quick charge 18w because the 65w xiaomi charger uses a half assed usb 3 port (one pin more than usb 2) and
therefore only works if the (usb a) tester also has usb 3 pins. For the same reason if you use a normal usb 2 (usb a to c) cable you won't get 50w
i also tested it again. it charges up to 33% with ~45w and then goes down to ~30w I checked again at arrount 65% it was charging with ~25w. At least these are the values that my tester shows
other values (charge % , time, mAh) in my previous post were readings from the phone itself.
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Click to collapse
My usb tester is exactly the first photo. Since I got my unit used, it might not have the original cable.
Would you be kind enough to check if on the USB A side, where the cable attaches to plug, does it day 3A?
Also, at what amps does it say when the charged is doing 45w?
Thank you

Machine_Head said:
My usb tester is exactly the first photo. Since I got my unit used, it might not have the original cable.
Would you be kind enough to check if on the USB A side, where the cable attaches to plug, does it day 3A?
Also, at what amps does it say when the charged is doing 45w?
Thank you
Click to expand...
Click to collapse
You can see the extra pin by looking down the port
I marked them in the attachments. Basically it's one of the 5 extra pins that usb 3 uses.
Sorry I have to check again later for the exact amperage, just charged my device. This time i checked the percentage and it charged to 41% with 45w. The deciding logic is probably more complicated than just a percentage.
Edit: added a photo with the exact charge info

the reason u r not getting 50w is bcos u put a meter between the charger and the cable... in order for xiaomi to draw out 50w from usba they put in a small microchip inside the cable to trigger the 50w quick change. if u look into the usb cable u will see extra pin in the middle of the cable, this pin work with the microchip to trigger the 50w quick charge.
solution:
1. always use original cable come with the mi10pro phone.
2. dont plug anything between the cable and charger.
3. if u want to test charging speed with meter, use type-c to type-c meter.
FYi, xiaomi 50w is using 10v 5a.

The phone heats up to 43 degrees during fast charging.

Question What's causing this(Samsung Wireless charger EP-P5400)?

It's about Samsung official 15W Wireless Charger Duo (model number EP-P5400) and is the fastest wireless charging pad from Samsung.
Using the above wireless charger, charging the S22 Ultra(Snapdragon) using the 25W Samsung adapter and the cable(that comes in the phone box) . Started charging at 12 noon when the battery was at 1% and in about 3 hours 21 mins it's charged till 76%, and to fully charge it took 4 hours and several minutes. The "time remaining to fully charge" shown below the battery icon is false, it takes way more(double) time. It does fast wireless charging at 15W, but should it take 4+ hours to fully charge?
This charging adapter+cable combo does super fast WIRED charging and charges fully as intended and on time, so no issues with the adapter+cable.
Phone FW build is "AVCJ", phone is not connected to any bluetooth device or such, there's no metal object in between, fast wireless charging toggle is ON in settings, cache erased in recovery, device care app version 13.0.03.1(is the latest and app cache erased), phone restarted and so on for basic troubleshooting.
What is the issue if not the EP-P5400 wireless charging pad itself?

Bump!
PS: Ambient temperature is low (21/22°C), so it's not about slow charging due to temperature rise in the phone and the cooling fan inside the charging pad is working fine too.

Virgo_Guy said:
It's about Samsung official 15W Wireless Charger Duo (model number EP-P5400) and is the fastest wireless charging pad from Samsung.
Using the above wireless charger, charging the S22 Ultra(Snapdragon) using the 25W Samsung adapter and the cable(that comes in the phone box) . Started charging at 12 noon when the battery was at 1% and in about 3 hours 21 mins it's charged till 76%, and to fully charge it took 4 hours and several minutes. The "time remaining to fully charge" shown below the battery icon is false, it takes way more(double) time. It does fast wireless charging at 15W, but should it take 4+ hours to fully charge?
This charging adapter+cable combo does super fast WIRED charging and charges fully as intended and on time, so no issues with the adapter+cable.
Phone FW build is "AVCJ", phone is not connected to any bluetooth device or such, there's no metal object in between, fast wireless charging toggle is ON in settings, cache erased in recovery, device care app version 13.0.03.1(is the latest and app cache erased), phone restarted and so on for basic troubleshooting.
What is the issue if not the EP-P5400 wireless charging pad itself?
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Possible misalignment of the phone on the charger?

Is the fast wireless charging switched on in the battery settings?

Rubby1025 said:
Possible misalignment of the phone on the charger?
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It shows "fast wireless charging" while charging, so not misaligned.
termdj said:
Is the fast wireless charging switched on in the battery settings?
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This I've already mentioned in the OP.

some possibility is that the phone was doing something in the background that consumed battery while charging... check to see if anything is running in the background, often times it's Google related (some 3rd parties known to drain are FB related apps)
If this is doing all the time then might be something that you'd want to check with samsung. reproduce the issue then report to samsung using Samsung Members app > get help > error report.

Have you tried a different wireless charger. Yours may not be working correctly for some reason.

dalepl said:
Have you tried a different wireless charger. Yours may not be working correctly for some reason.
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I did, with a 9W wireless charger from Samsung from 10 to 30% that took comparatively longer time than this new one, which is obvious.
Dpk1 said:
So, today it charged from 53% to 100% in just 55 minutes. Phone wasn't used while charging and 4G data bluetooth were on like before. Charging was done at similar location of the same room as before. The difference was that I used Samsung 25W adapter to power the Wireless Charger (instead of hp one) and kept the charger over a flat wooden rack (instead of over bed mattress last time).
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Charged from 53% to 100% with the above "conditions" met using the 25W Samsung adapter. Started charging at 9:40 AM and done at 11:11 AM, that's 1 hour 31 mins.
What's the device care version you are using?

Just for a test unplug the pad from the charger and hook up direct to the phone with cable. How long does it say for a charge now?
I have the 15 watt Samsung Charger that comes with a 25 watt super fast charger. 15 watts wireless and 25 watts when wired. EP-P2400TBEGUS make sure when buying the one I have that it comes with the travel adapter (Charger). They sell two versions one for $39.99 that is just the pad only and then the one I have for $59.99 that comes travel adapter (Charger)
Anyway I am currently at 45% let me put it on charger and see how long it says it will take to charge to 100. Ok it says 1hr 9min to fast wireless charge to full.
Now I plug in the cable direct to the phone and it says 45min to super fast charger to full.
There is no way phone shoukd take hours to wirelessly charge unless there is a problem with the pad, charger or case interfering with wiress charging.
What case are you using? Are there magnets on it? Is it very thick material?

Paul_Deemer said:
Just for a test unplug the pad from the charger and hook up direct to the phone with cable. How long does it say for a charge now?
I have the 15 watt Samsung Charger that comes with a 25 watt super fast charger. 15 watts wireless and 25 watts when wired. EP-P2400TBEGUS make sure when buying the one I have that it comes with the travel adapter (Charger). They sell two versions one for $39.99 that is just the pad only and then the one I have for $59.99 that comes travel adapter (Charger)
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Already mentioned in the OP. Absolutely no issues there.
Paul_Deemer said:
Anyway I am currently at 45% let me put it on charger and see how long it says it will take to charge to 100. Ok it says 1hr 9min to fast wireless charge to full.
.....
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Mine says "X" time to full, but takes way, way longer in real.
Paul_Deemer said:
.... There is no way phone shoukd take hours to wirelessly charge unless there is a problem with the pad, charger or case interfering with wiress charging.
What case are you using? Are there magnets on it? Is it very thick material?
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Checked with and without cases(official samsung non-magnetic cases), found no difference.

TheNewGuy92 said:
some possibility is that the phone was doing something in the background that consumed battery while charging... check to see if anything is running in the background, often times it's Google related (some 3rd parties known to drain are FB related apps)
If this is doing all the time then might be something that you'd want to check with samsung....
Click to expand...
Click to collapse
Hence, charged it when phone was turned off, "gain" was some 8 mins less time to fully charge. So the problem lies elsewhere.

Virgo_Guy said:
Already mentioned in the OP. Absolutely no issues there.
Mine says "X" time to full, but takes way, way longer in real.
Checked with and without cases(official samsung non-magnetic cases), found no difference.
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Click to collapse
Wait I missed that post above. You said you used an HP Charger and a Samsung Charger on the pad but the Samsung wirelessly charged in an hour and a half wirelessly? What's wrong with that?

Also where and what is the wireless pad sitting on? Wood Table or Desk? Not a bed?

Paul_Deemer said:
Wait I missed that post above. You said you used an HP Charger and a Samsung Charger on the pad but the Samsung wirelessly charged in an hour and a half wirelessly? What's wrong with that?
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You are missing the point. I referred to the OP(original post), explaining what all steps taken and all.
Paul_Deemer said:
Also where and what is the wireless pad sitting on? Wood Table or Desk? Not a bed?
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Wood table.

Paul_Deemer said:
....You said you used an HP Charger and a Samsung Charger on the pad ..
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- Do not get confused with quotes by me and @Dpk1 .(I quoted a post by @Dpk1 taking from another thread.
Paul_Deemer said:
...but the Samsung wirelessly charged in an hour and a half wirelessly? What's wrong with that?
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From 53% to 100%, it took 1 hr 31 mins in mine is what I said and that's not right.

Virgo_Guy said:
- Do not get confused with quotes by me and @Dpk1 .(I quoted a post by @Dpk1 taking from another thread.
From 53% to 100%, it took 1 hr 31 mins in mine is what I said and that's not right.
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I just did 33% - 100% in about 1 hour 18 min which is pretty normal for 15 watt fast wireless charging. The same Samsung 25 watt charger plugged in wired will get you there under an hour. Don't use third party chargers with the wireless pad. Just the Samsung 25 watt one. Really nothing wrong with 1.5 hours wirelessly. These are normal charge times.

Paul_Deemer said:
I just did 33% - 100% in about 1 hour 18 min which is pretty normal for 15 watt fast wireless charging. The same Samsung 25 watt charger plugged in wired will get you there under an hour. Don't use third party chargers with the wireless pad. Just the Samsung 25 watt one. Really nothing wrong with 1.5 hours wirelessly. These are normal charge times.
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Yours same one does, mine does not same way wirelessly like yours. That's the problem. Nothing else.

After about 80% the charging rate ramps down to protect the battery.
At about 90% it will ramp down again and likely yet another time as it approaches 100%; this is normal. New batteries have a higher capacity and will charge longer.
Peak charge rates occur between 6- 72% or so as long as it doesn't exceed about 102F.
Fast charging will not engage for that charge cycle if the start temperature is below about 50-60F or less to protect the battery.
Ideal start temperature is 82-90F, charging is an electrochemical reaction that needs enough heat to function at optimum fast charging rates.
Provide cooling as needed as temperature approaches 98F.
Other possible causes are a defective temperature sensor in the battery, mobo or charging coil. Firmware; corruption or wrong values. A defective coil assembly, C port pcb or mobo.

Virgo_Guy said:
Charged from 53% to 100% with the above "conditions" met using the 25W Samsung adapter. Started charging at 9:40 AM and done at 11:11 AM, that's 1 hour 31 mins.
What's the device care version you are using?
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Today, it took 1hour and 27 minutes to charge from 27% to 100% with same charger and under same conditions. Device care version on my s22 ultra is 13.0.03.1

Dpk1 said:
Today, it took 1hour and 27 minutes to charge from 27% to 100% with same charger and under same conditions. Device care version on my s22 ultra is 13.0.03.1
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How long to charge from 27-70%?
The last 20% takes much longer...