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Just curious if there is an app or something similar that would show how many amps are being provided when charging through a wall charger/USB powered hub? The reason I ask is that I'm thinking of buying a powered USB 3.0 Hub. The adapter that came with our phone says it's 2 Amp, so I am assuming our phone can pull 2 amps for charging. Just wanted to verify in some way that a 2 Amp dedicated port would really work for this phone.
*Madmoose* said:
Just curious if there is an app or something similar that would show how many amps are being provided when charging through a wall charger/USB powered hub? The reason I ask is that I'm thinking of buying a powered USB 3.0 Hub. The adapter that came with our phone says it's 2 Amp, so I am assuming our phone can pull 2 amps for charging. Just wanted to verify in some way that a 2 Amp dedicated port would really work for this phone.
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When I get home, I'll download the kernel source and see if I can find out how much power it draws during charging. I doubt however, that it will draw 2A during charging as most chargers are rated to supply more power than the phone will accept.
Yeah, 2A seems like that could melt a battery charging that fast. Someone sent me a private message and told me to try CurrentWidget. I threw that on the phone and it registers as 1A while charging. But it appears like the widget doesn't break it down with decimals. For instance it could be charging with 1.8A and wouldn't know it. I put it in a standard USB port and it reported as charging with 0 Amps but the battery was indeed charging.
I took a quick look at the N7100 (International Note 2) source posted on Github by CM and it looks like AC charger is 650mA, USB is 450mA. It's a little hard to tell what exactly it's using for charging, so I'll try to verify that when I get home and have a chance to take a better look.
*Madmoose* said:
Yeah, 2A seems like that could melt a battery charging that fast. Someone sent me a private message and told me to try CurrentWidget. I threw that on the phone and it registers as 1A while charging. But it appears like the widget doesn't break it down with decimals. For instance it could be charging with 1.8A and wouldn't know it. I put it in a standard USB port and it reported as charging with 0 Amps but the battery was indeed charging.
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A 3100mAh Lithium Ion battery can easily handle a full 2A charge rate. The ideal charge profile for Lithium Ion is a CC/CV profile, starts at constant current between like 3V and 4V, which most LI batters can take a rate of 1C, meaning it can handle a charge rate of 3.1A, recommended charge rate to achieve the most possible charge/discharge cycles is usually 0.2C so for a 3100mAh battery that would be 620mA. Once the charge gets to the correct voltage it gets to constant voltage and charges until termination current usually in the 100mA range. So yes, it can handle a 2A charge no problem.
Hey there. I very much appreciate that breakdown. Makes me wonder why they dropped the amps so much during charge.
bose301s said:
recommended charge rate to achieve the most possible charge/discharge cycles is usually 0.2C so for a 3100mAh battery that would be 620mA.
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If this is true (first time I've seen this anywhere), that would line up great with the 650mA max charge rate I found. Also, I downloaded the VZW source, and it doesn't look to significantly different from the N7100 source, at least as far as the charger stuff is concerned, so I would say they both probably have a max charge rate of 650mA.
I appreciate the info and time you both put into this. I guess it means a 2A usb port will be slight overkill. Even changing the charge rate to a higher value seems to indicate a lower battery life. Makes you wonder how apple did it's math for the ipads charge rate. The battery must be huge to accommodate a 1.1A charge rate. Or they are sacrificing battery life for fast charging.
Wont the kernel dictate the charge rate no matter what the charger is rated at?
If the kernel is set for a charge rate of 650mA (0.650A), then why does the Note 2 have a more powerful 2A wall charger, while the GS3 has a 1A wall charger.
FAUguy said:
If the kernel is set for a charge rate of 650mA (0.650A), then why does the Note 2 have a more powerful 2A wall charger, while the GS3 has a 1A wall charger.
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The original nook color 7" came with a 2A wall charger and that was 2 years ago... both my note 2 and nook color charge about the same rate (quick to 99% and slow to 100). The charger is probably cheaper to make at 2A rather than anything and plus it could be used to charge future devices. Also if you used a 1A charger to charge the note it might possibly get warm/hot from running at near full capacity.
Im using my OLD blackberry 700mA wall charger to charge the phone at night while im sleeping. No problems with heat.
Has any tried charging honor 5x with 2amp charger??
How much time does it took to charge fully..??
With stock 1amp it took 3hrs to charge fully....as i know snapdragon 615 nd 616 support quick charge 2.0...can it be utilized with 2amp charger??
Sent from my KIW-L22 using Tapatalk
Good question. . I have a Qualcomm 2.0 fast charger at home, I'll plug mine into it and check the input
paoloroeseke said:
Good question. . I have a Qualcomm 2.0 fast charger at home, I'll plug mine into it and check the input
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See how much it takes from 5% to 100%..[emoji41] by the way which honor 5x u have KIW-L22 or KIW-L24 ??
Sent from my KIW-L22 using Tapatalk
I dont understand what quick charge does exactly. If i have a charger that puts out 3 amps at 5 volts and the battery is 3000 mAh then it should take about an hour to charge if its completely drained. That the basic rule for 1C charging rate for lithiums right? so does the qualcomm charger deliver higher that 1C rates?
It doesn't actually work that way which would be bad for the battery, they charge faster when the battery is low and slow down as its fuller or reach a certain temperature.
As for Qualcomm quick charge, it works a bit different than the USB standard. I'm still not clear on the whole thing, but this is what I gathered:
Quick Charge 3.0
3.2v - 20v dynamic, 200mV increments
Up to 3A
Snapdragon 820, 620, 618, 617, and 430
Quick Charge 2.0
5V / 9V/ 12V
Up to 3A
Snapdragon 200, 400, 410, 615, 800, 801, 805, 808 and 810
-
5V/2A, 9V/2A, 12V/1.67A
Quick Charge 2.0 Class A can provide up to 24 watts over a micro USB connector, 36 watts with a Type-C connector, and Class B can reach 60 watts or more.
Quick Charge 1.0
5V, 2A
Snapdragon 600
This is the rating for one 19.5W QuickCharge 3.0 wall charger:
Output (Type-C Quick Charge 3.0 Port): 3.6-6.5V/3A, 6.5-9V/2A, and 9-12V/1.5A
eksasol said:
It doesn't actually work that way which would be bad for the battery, they charge faster when the battery is low and slow down as its fuller or reach a certain temperature.
As for Qualcomm quick charge, it works a bit different than the USB standard. I'm still not clear on the whole thing, but this is what I gathered:
Quick Charge 3.0
3.2v - 20v dynamic, 200mV increments
Up to 3A
Snapdragon 820, 620, 618, 617, and 430
Quick Charge 2.0
5V / 9V/ 12V
Up to 3A
Snapdragon 200, 400, 410, 615, 800, 801, 805, 808 and 810
-
5V/2A, 9V/2A, 12V/1.67A
Quick Charge 2.0 Class A can provide up to 24 watts over a micro USB connector, 36 watts with a Type-C connector, and Class B can reach 60 watts or more.
Quick Charge 1.0
5V, 2A
Snapdragon 600
This is the rating for one 19.5W QuickCharge 3.0 wall charger:
Output (Type-C Quick Charge 3.0 Port): 3.6-6.5V/3A, 6.5-9V/2A, and 9-12V/1.5A
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Click to collapse
Thanks for the info eksasol.. I guess I was just being simplistic. I always think of battery charging in terms of hobby remote control chargers for lipo's. True, the charger (or phone) must have built in circuitry to ramp up the amperage it delivers according to what it considers to be safe/efficient. It would slow down as it came up to it full voltage. Ive never really worried about it much since i just plug it in at night and get through the day without needing a recharge. Years ago in RC you could buy batteries that could handle 2C and above charging rates pretty easily. I would imagine that number has increased. I figured phone batteries would essentially be the same.
Kounjula Rahul said:
Has any tried charging honor 5x with 2amp charger??
How much time does it took to charge fully..??
With stock 1amp it took 3hrs to charge fully....as i know snapdragon 615 nd 616 support quick charge 2.0...can it be utilized with 2amp charger??
Sent from my KIW-L22 using Tapatalk
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I did not actually use the supplied 1A charger, but with a standard 1A charger it takes all night.
My tablet 2A charger is way faster (a few hours maybe), honestly I did not take note of the time.
I will try that.
The charger circuit will take care of it, no matter the available current, because tension is fixed to 5V so resulting current will be what the circuit handles.
Not sure about a quickcharge 2.0 charger, don't have one.
idk why i read that it takes them atleast 4-6 hours to fully charge their battery? ehh in an hour mine goes from 6% to like 67% and then the other 30 mins and its done and full. and im just using the charger and cable that came with the phone.
paoloroeseke said:
Good question. . I have a Qualcomm 2.0 fast charger at home, I'll plug mine into it and check the input
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You did try your Qualcomm 2.0 fast charger adapter ?
I'm using mine with samsung fast charger (the one that came with my note5) and it charges from 70%-100% in 19mins...according to GSam app
htc fan89 said:
I'm using mine with samsung fast charger (the one that came with my note5) and it charges from 70%-100% in 19mins...according to GSam app
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At that rate (30% in 20 min), it should take around 60 min to reach 80% and (80 min) 1hr 20 min to Fully Charge with that charger.
I swear the original reviews said it took around 2 1/2-3 hrs to charge overnight.
I have to say I have NEVER had a phone last as long as this phone does! The battery lasts forever no matter what I do.
cyrusalmighty said:
At that rate (30% in 20 min), it should take around 60 min to reach 80% and (80 min) 1hr 20 min to Fully Charge with that charger.
I swear the original reviews said it took around 2 1/2-3 hrs to charge overnight.
I have to say I have NEVER had a phone last as long as this phone does! The battery lasts forever no matter what I do.
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I haven't manage to kill it yet, but it should take 1hr30mins to fully charge maybe less. That's with a fast charger
Sent from my KIW-L24 using Tapatalk
I keep wanting to test how long a full charge takes, using my intelligent Anker charger. I never get the chance. The phone battery life is simply outstanding. This is like my 8th smart phone, and simply blows the rest out of the water. I even have the EUMI battery saving features turned off. A 50% charge can takes about an hour. Old habits of always plugging it in when in the car or my desk means that I can forget about plugging it in at night. Don't worry about battery life or fast charging - they are non issues.
No QC2
I have tried two different adapters that are QC2 compatible (and work fine with Galaxy Note 4) with USB voltage measurement device; all I can get is 5V and 1A max even when the battery charges from 20% on.
So, no go on QC2
Also tried QC2.0 charger. No fast charging. However, Ampre, does report that it manages to pull 1.3A from the variable amperage ports i have.
I finally got my battery down to 0%. With Ampre reporting:
- Using a 0.5 amp charger, I got constant 460mA
- Using the 1.0 amp supplied charger I got 850mA
- Using my Anker 5A IQ charger (i think they license the QC technology) I only got 850mA. I checked and was using a power not data+power cable.
- Using same Anker 5A IQ charger, and a high quality power only Anker cable I got 1850 mA up until 50% charge then 1600 until 65% charge and 1200 until 85% charge. After that it dropped off rapidly 750 at 90%, and 450 at 95%.
Charging when using the phone lightly - occasional call, calendar update, email - consumes around 400 mA. I do not use any of the Honor power saving features. With this in mind:
- 40 min from 0 to 60%
- 1 hour 40 min from 0 to 90%.
Perfectly acceptable to me with the huge battery. GET RID OF YOUR CHEAP POWER CABLES
So IQ or QC chargers do seem to work, and most importantly make sure you have good quality power only cables. I have a drawer full of cables that were fine with older phones and chargers. They are now in the trash.
in china model support quick charge 2
in china model support quick charge 2
Bear100 said:
I finally got my battery down to 0%. With Ampre reporting:
- Using a 0.5 amp charger, I got constant 460mA
- Using the 1.0 amp supplied charger I got 850mA
- Using my Anker 5A IQ charger (i think they license the QC technology) I only got 850mA. I checked and was using a power not data+power cable.
- Using same Anker 5A IQ charger, and a high quality power only Anker cable I got 1850 mA up until 50% charge then 1600 until 65% charge and 1200 until 85% charge. After that it dropped off rapidly 750 at 90%, and 450 at 95%.
Charging when using the phone lightly - occasional call, calendar update, email - consumes around 400 mA. I do not use any of the Honor power saving features. With this in mind:
- 40 min from 0 to 60%
- 1 hour 40 min from 0 to 90%.
Perfectly acceptable to me with the huge battery. GET RID OF YOUR CHEAP POWER CABLES
So IQ or QC chargers do seem to work, and most importantly make sure you have good quality power only cables. I have a drawer full of cables that were fine with older phones and chargers. They are now in the trash.
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+1 this is the same results I experienced. My phone rarely goes below 50% charge in a normal day
thanks guys, guess i'll get it - 120 on sale for prime day
starscalling said:
thanks guys, guess i'll get it - 120 on sale for prime day
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worth the extra post - i can confirm the fast charging - was still doing about a percent a minute between 70% and 80% or so. little laggy during setup, occasionally seems to miss a command but dang for the price i can't complain.
using my zenfone2 fastcharger - rox.
To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the Xiaomi Mi A1 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!
XDA_RealLifeReview said:
To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the Xiaomi Mi A1 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!
Click to expand...
Click to collapse
mi a1 are used c port so its give fast charging support
It's not support fast charging
14karanveersingh said:
mi a1 are used c port so its give fast charging support
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Click to collapse
It's not support fast charging
So does it or it does not support fast charge?
M1 A1 has no fast/quick charge, anyway, charging duration is acceptably quick with Xiaomi power adapter 5V -> 2A charger.
for me about 2h
2hours charging time
IMHO, To extend battery life, I can live with slower charger. The xiaomi 5v 2amp charger is consider too fast for me
I usually use 5v 1 amp for normal charging. It takes about 3hour to charge
I only use 5v 2amp if I need to be fast. I usually don't fully charge with it thus not sure about charging time
Less Than 2 hrs
Near than 2 hours
Screenshot from AccuBattery.
Charging Speed with Android Oreo
Yes it support Quick Charge, but you need Charger that support Quick Charge 3.0.
Read this article.
https://gadgets.ndtv.com/mobiles/ne...qualcomm-quick-charge-3-0-india-price-1798946
More than 1:30 hours. Not fast, but not terrible bad.
Fast charge working with 2A, but it miss the QucikCharge 3.0 (sw disabled, but the chipset is cappable to)
Hello,
I have a quick charge charger and my xiami mi a1 64gb global doesn't support quick charge it's the same with one plus 5t charger and s8 charger. So don't trust gadget it's not because xiaomi provide a new charger that the mi a1 is now compatible. Also even with the 5v 2a xiaomi charger, the MIA1 charges more quickly with Oreo that's it.
I bought the Mi A1 64GB Special Edition (Red) about a month ago. I didn't expect much but when the screen is off I get about 70% charge within an hour. That is with the charger that came with the phone.
My phone actually charges in about 2 hours and 40 minutes - 3 hours, I think that it is slow, when I test the amperage with Ampere App, this says me 900 mAh, I want to buy a fast charger (Qualcomm certified 3.0) to see if this time improvement
With original charger I got with phone, it charges about 1 h 30 min from 2% - 100%
i am using the nexus 5x charger and normally it charges 1% per minute. but didn't say "charging rapidly" like the nexus 5x. it just say "charging" on mi a1, but also not showing "charging slowly"
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Hey, is it safe to use original 45W Samsung charger daily? Got it for nice price ($25) from friend's shop.
I read somewhere it's not recommend to use 45W. Also I read S20+ supports 25W only.
Thank you for answers.
It is safe to use the charger but I am not sure if it will be able to charge it at 25W also.
So if I will use 45W, charging will be the same as with original charger?
Tried it, remaining time to fully charged is showing the same with both chargers.
RenikSK said:
So if I will use 45W, charging will be the same as with original charger?
Tried it, remaining time to fully charged is showing the same with both chargers.
Click to expand...
Click to collapse
I have the 45w charger. Charging speed depends on the phone temperature. The phone slows down the charging when phone temperature gets high. It's marginally faster than the one that came with the phone. But it's super fast charging for the first 30 minutes or so compared to our of the box.
So i use the 45w charger at office when I need to charge the phone fast and seldom fully charge it as I would unplug it and go somewhere else.
At home I just plug in the charger that came with the phone for overnight charging. Perhaps not the best to leave it charging overnight but I need a full battery next day.
Even if the charger provides 45w, the phone will only pull what is needed from the charger itself. So if the phone limits itself to 25w, then thats all it will use from the charge available.
Equally, if the charge provided is lower than the maximum the phone can use (i.e. 25w phone but 15w charger), then it will use the maximum from the charge available.
Chargers these days offer a multitude of different voltages and amp ratings, but they are smart and will only send what is requested by the device that is plugged in so there's no chance of accidental over-voltage.
I too have the 45W samsung travel charger and did a comparison on power draw compared to the 25W charger that is included with the phone. I used both the USB C cable that came with the phone (Black) and the thicker cable that came with the 45W charger (White), while measuring the power draw using a power consumption meter that was plugged into the wall between the charger and the outlet. My phone was at 40% charge when I tested. The results are shocking.
Included 25W charger
Phone's Black cable - 27.9 W
Charger's White cable - 27.2 W
Samsung 45W travel charger
Phone's Black cable - 29.7 W
Charger's White cable - 31.3 W
The similar power draw explains the charging speed difference of 10 minutes which many reviewers on youtube have observed. Taking another step, I have read that the S20 Ultra requires the charger to support PPS to achieve (10V, 4.5A) in order to charge at 45W. So why does the 45W travel charger only support (15V, 3A), (20V, 2.25A), (3.3-11V, 4.05A), (3.3-16V, 2.8A) and (3.3-21V, 2.1A)? Even the best case scenario would be to use the (3.3-11V, 4.05A) PPS profile and set it to (10V, 4.05A) to give only 40.5W. I smell a rat.
Interesting. I have also measured power draw but my results are bit diferent.
45W charger was getting up to 41W for 4 mins.
On overall charging speed 0-100% the diference is 10mins, but after charging 20mins I'm getting 54% on 45W and 37% on stock.
17% in 20mins it's a lot of difference.
45W is slowing down up to 1A after that to cool down the phone. 25w have similar behaviour.
Baseus 65W PPS chargers triggers SFC 2.0 but it takes more than 2h to charge fully. Amperage is oscilating as hell.
my Huawei 65w laptop Charger charges my S20U much quicker than the 25w charger i find...
krogoth said:
Interesting. I have also measured power draw but my results are bit diferent.
45W charger was getting up to 41W for 4 mins.
On overall charging speed 0-100% the diference is 10mins, but after charging 20mins I'm getting 54% on 45W and 37% on stock.
17% in 20mins it's a lot of difference.
45W is slowing down up to 1A after that to cool down the phone. 25w have similar behaviour.
Baseus 65W PPS chargers triggers SFC 2.0 but it takes more than 2h to charge fully. Amperage is oscilating as hell.
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I have been continuously testing and found that if your phone has less than 30% battery and the battery temperature is under 33 ºC, it will charge at 40W. After that, it drops to 30W for the remainder of the charge and then drop again to 20W when the battery is above 80%.
Next step is to find a good battery data logging app which logs battery percentage, battery temperature, charging current and time. Surprising to find that not many apps can do this. Even the Battery Charging Monitor app doesn't log all that data.
Hello Friends,
My Charging cable gone bad, so I had to buy new, I have bought 3 Ampere cable, but I am not sure if it is actually 3 A.
When I am connecting it with the charger, it is showing at max 1490 mA.
Can anyone please confirm what is the charging speed they see in ampere app when they charge their phone with stock charger.
Max current should be greater than 2.4A. The best I have got is 2.7A with the stock charging cable.
To gain max charge speed your battery temp should be below 35°c.