Database Users

Full charged battery stick at 96%!!!

Hey,
I'm one of the proud nexus s users since a few days. I do have a question. I've got a stock nexus s with 2.3.3 unrooted. When I charge my battery, the phone won't charge more then 96%. I have treid to reboot and charge again, but no succes. Someone has te same or knows a sollution???
Sent from my Nexus S using Tapatalk

As mentioned many times before in this forum, batteries are not meant to be fully charged at all. This is to extend the lifespan of the battery. High voltage (100%) stresses out the battery, so by letting the charge stop at 96% for example, it makes it as full as possible without bringing its voltage to the max. So your battery can last longer and will not need a replacement so fast. Hope this helps.

It's not a problem, its a feature. Ironically, it keeps your battery life longer in the short run and long run.

soylukral said:
Hey,
I'm one of the proud nexus s users since a few days. I do have a question. I've got a stock nexus s with 2.3.3 unrooted. When I charge my battery, the phone won't charge more then 96%. I have treid to reboot and charge again, but no succes. Someone has te same or knows a sollution???
Sent from my Nexus S using Tapatalk
Click to expand...
Click to collapse
if you REALLY want your battery to reach 100% this is what you do. let the phone charge until it stops charging, unplug it from the charger, plug it back in, then continue charging it with the screen on. do not let the screen go off or it will stop charging. this method work, it just takes a lonooong time to reach 100%
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That method is called Bump charge. It's useful to bringing your battery to 100%
But do not do it often because it reduces your battery's lifespan.

I will give it a try. Thanks anyway.
Sent from my Nexus S using Tapatalk

navlem said:
As mentioned many times before in this forum, batteries are not meant to be fully charged at all. This is to extend the lifespan of the battery. High voltage (100%) stresses out the battery, so by letting the charge stop at 96% for example, it makes it as full as possible without bringing its voltage to the max. So your battery can last longer and will not need a replacement so fast. Hope this helps.
Click to expand...
Click to collapse
Umm your explanation is why people would see the phone as fully charged at 100% then unplug to find it at a lower percentage. That was because the battery had been fully charged but then stopped charging and had not hit it's bump level. Now however the issue is that some phones seem to just stop charging. Not sure where you got the idea that its bad for them to be fully charged but just think about that statement for a second.
Its bad for them to be OVER CHARGED. Fully charged (4191mV) is great but charging past that point may lead to battery over heating and catching fire as was demonstrated with the trickle charge kernels over on the evo 4g forums. This issue, the one being discussed in the thread is NOT just something people should accept. This is a bug that should be reported to Google.
Sent from my MIUI Nexus S from the XDA Premium app.

kenvan19 said:
Umm your explanation is why people would see the phone as fully charged at 100% then unplug to find it at a lower percentage. That was because the battery had been fully charged but then stopped charging and had not hit it's bump level. Now however the issue is that some phones seem to just stop charging. Not sure where you got the idea that its bad for them to be fully charged but just think about that statement for a second.
Its bad for them to be OVER CHARGED. Fully charged (4191mV) is great but charging past that point may lead to battery over heating and catching fire as was demonstrated with the trickle charge kernels over on the evo 4g forums. This issue, the one being discussed in the thread is NOT just something people should accept. This is a bug that should be reported to Google.
Sent from my MIUI Nexus S from the XDA Premium app.
Click to expand...
Click to collapse
I read it through this page
http://www.androidpolice.com/2010/1...bump-charging-and-inconsistent-battery-drain/
Though it might mention about the problem about "Showing 100% and instant drop after unplug from charger", but I reckon that Google is making Nexus S showing the true accurate charge.

navlem said:
I read it through this page
http://www.androidpolice.com/2010/1...bump-charging-and-inconsistent-battery-drain/
Though it might mention about the problem about "Showing 100% and instant drop after unplug from charger", but I reckon that Google is making Nexus S showing the true accurate charge.
Click to expand...
Click to collapse
You reckon incorrectly.
This is why many new phones will “lose” up to 10% within a few minutes of coming off the charger. The reality is that the battery was only at 100% capacity for a brief moment, after which the battery management system allowed it to slowly dip down to around 90%. Leaving the phone plugged in overnight does not make a difference: the phone only uses the wall current to maintain a partial charge state.
Click to expand...
Click to collapse
I have battery graphs which show the phone is never reaching 100%, or was never reaching 100% (ironically, my phone actually was at 100% for the first time since 2.3.3 this morning). As I said, this is a bug not a feature. Phones should hit 100% then drop to a "bump level" (HTC seems to like 90% whereas I believe Samsung uses 95%) and then charge back up to 100%, as simms said, very slowly. It does this so as to not over-charge the battery because that can lead to severe over-heating issues and can possibly hinder the overall life of the battery. RogerPodacter was able to modify the battery drivers for the N1 so as to prevent this from happening (not quite sure what he modified) but because of the way that Samsung set up the NS battery drivers, this is not possible for us. Again, this is a BUG that should be reported to Google.

Yeah, i might reckon incorrectly. Doing the bump charge now, it seemed to be really slow at charging from 98% onwards though.

I had this issue with galaxy s also with newer firmwares. It is NOT a bug, it's a FEATURE.

JuWa said:
I had this issue with galaxy s also with newer firmwares. It is NOT a bug, it's a FEATURE.
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Click to collapse
LOL The battery not being able to achieve full charge is definitely a feature, ya sure. Absolutely. I can only use 95% of my cars petrol. That's a feature too. Definitely. My paycheck is only ever 95% of what I earned. Its a feature! People think about what you're saying >< a phone not being able to reach its maximum charge is a BUG.

kenvan19 said:
LOL The battery not being able to achieve full charge is definitely a feature, ya sure. Absolutely. I can only use 95% of my cars petrol. That's a feature too. Definitely. My paycheck is only ever 95% of what I earned. Its a feature! People think about what you're saying >< a phone not being able to reach its maximum charge is a BUG.
Click to expand...
Click to collapse
Ehm... Are you stupid or something? What is those things got to dot with the battery CHARGING???

The only real solution is to get a spare OEM battery or two and a wall charger to charge them in. The batteries last 2 to 4 more hours because when I plug one in its fully charged to 100%. Plus I rarely ever have to hook my phone up to a charger anymore. Swapping batteries is so much more convenient.
And I agree this 'feature' to save my $7 battery is not a feature at all. You can find extra batteries and chargers on ebay very easily.

I agree with the above post 100%. Since I got a second (genuine) battery and an external charger, both of my batteries charge to 100% and appear to last longer. Since I started charging them in the external charger, they also now charge to 100% in the phone too. As I said in the other thread similar to this, I'm presuming the battery needed a full cycle and the charging circuitry in the phone just wasn't up to the job.

JuWa said:
Ehm... Are you stupid or something? What is those things got to dot with the battery CHARGING???
Click to expand...
Click to collapse
Wow. Just wow. You don't even vaguely understand irony do you mate?

Oh, Americans... I just love you guys...

Living in America makes me American, does it?

kenvan19 said:
You reckon incorrectly.
I have battery graphs which show the phone is never reaching 100%, or was never reaching 100% (ironically, my phone actually was at 100% for the first time since 2.3.3 this morning). As I said, this is a bug not a feature. Phones should hit 100% then drop to a "bump level" (HTC seems to like 90% whereas I believe Samsung uses 95%) and then charge back up to 100%, as simms said, very slowly. It does this so as to not over-charge the battery because that can lead to severe over-heating issues and can possibly hinder the overall life of the battery. RogerPodacter was able to modify the battery drivers for the N1 so as to prevent this from happening (not quite sure what he modified) but because of the way that Samsung set up the NS battery drivers, this is not possible for us. Again, this is a BUG that should be reported to Google.
Click to expand...
Click to collapse
I've looked to make the same driver changes to the nexus s as I did to the nexus one, but the battery chip model and driver is different so the same changes don't make sense.
I've gone on record saying that this issue with the nexus s not charging to 100% is NOT intentional, its a bug inherent with type of driver used in the nexus s. I just don't own this phone to edit the driver and test.
But there is a line of code which I feel if it was removed, this issue may disappear. I know not everyone agrees. But my nexus one will stay at 100% for an hour and a half, every morning. And my nexus reaches 100% every single day, I've never seen otherwise. So its not the way batteries are supposed to work. If it was, they would just make the top end lower and the 96% mark would be the 100% mark. Just my opinion.

RogerPodacter said:
I've looked to make the same driver changes to the nexus s as I did to the nexus one, but the battery chip model and driver is different so the same changes don't make sense.
I've gone on record saying that this issue with the nexus s not charging to 100% is NOT intentional, its a bug inherent with type of driver used in the nexus s. I just don't own this phone to edit the driver and test.
But there is a line of code which I feel if it was removed, this issue may disappear. I know not everyone agrees. But my nexus one will stay at 100% for an hour and a half, every morning. And my nexus reaches 100% every single day, I've never seen otherwise. So its not the way batteries are supposed to work. If it was, they would just make the top end lower and the 96% mark would be the 100% mark. Just my opinion.
Click to expand...
Click to collapse
my nexus one always reaches 100%, using wildmonks kernels, ravens kernels, and now redstar kernel. if you would like me to try something on my nexus s, edit/delete files. ill gladly help out

Anyone else having insane charge times?

I just finally got my phone to die after a lot of use from 10 hours of music, 3 hours of web browsing/facebook, 1 hour of modern combat 4, and a crap load of texting and calls. Well when i plugged it in its charging really fast. I seem to get about 5-8% per minute. is something off or is this just really quick at charging.
EditL ok it took about 30 minutes to a full charge.....

The Samsung charger that comes with the phone has a new chip that charges the phone at 2A so it will be quicker. If you use a different cord it'll go back to being slow.

Yeah I absolutely love this charger. Quickest charge ever.
Sent from my Galaxy S4

Its insane with how it is. on my SIII i used my old Palm Pre charger (old phone i use to have haha i miss the OS of it) but all my other cords got loose and fell out easy but for that cord. I was use to like a 2 hour charge and some wall outlets it would be 3 hours. this is insane for a 30 min charge haha and lasts all day for me.

It's the new Qualcomm Quick Charge technology.

rushco said:
The Samsung charger that comes with the phone has a new chip that charges the phone at 2A so it will be quicker. If you use a different cord it'll go back to being slow.
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Click to collapse
the tricky thing is you also have to use the USB cord they provided as well...the old usb cord in the new 2A adapter won't work
if you notice, it is thicker to handle the extra charge

eyecon82 said:
the tricky thing is you also have to use the USB cord they provided as well...the old usb cord in the new 2A adapter won't work
if you notice, it is thicker to handle the extra charge
Click to expand...
Click to collapse
I'm going to run a few tests using other cords (monoprice, belkin, and a couple others and I will update this thread in a couple days with the amp charge. My hypothesis is that the monoprice cables with a thicker wire gauge will be able to handle the charge but until I run proper tests I won't know.
Oh a question I had for any owners is if anyone's galaxy is getting super hot when charging?

rushco said:
The Samsung charger that comes with the phone has a new chip that charges the phone at 2A so it will be quicker. If you use a different cord it'll go back to being slow.
Click to expand...
Click to collapse
Are you guys sure about this? Qualcomm's site says it's their integrated chipset that facilitates the quick charge, not the cables.
Quick Charge 1.0 makes all this is available to the user with existing USB charging accessories—no new cables and wall chargers to buy.
Quick Charge 1.0 is offered to our customers as an integrated solution (as part of the PMIC, or power management integrated circuit) and
a standalone solution that interfaces to the USB connector. Any phone or tablet’s charging port can be enabled with Quick Charge.
Click to expand...
Click to collapse

sublimeike said:
Are you guys sure about this? Qualcomm's site says it's their integrated chipset that facilitates the quick charge, not the cables.
Click to expand...
Click to collapse
It's the chipset working in combination with a compatible charger. Using a regular charger will work, but charge times will be longer. The "cables" don't have anything to do with it actually. The guy from anandtech did a write up and charge time comparisons in the second section of their review: http://www.anandtech.com/show/6914/samsung-galaxy-s-4-review/2

kyhassen said:
Its insane with how it is. on my SIII i used my old Palm Pre charger (old phone i use to have haha i miss the OS of it) but all my other cords got loose and fell out easy but for that cord. I was use to like a 2 hour charge and some wall outlets it would be 3 hours. this is insane for a 30 min charge haha and lasts all day for me.
Click to expand...
Click to collapse
I finally retired my Pre for the S4.
The usb cable shouldn't matter, as long as it is in the Samsung Charger.

Pheonix28 said:
I finally retired my Pre for the S4.
The usb cable shouldn't matter, as long as it is in the Samsung Charger.
Click to expand...
Click to collapse
I loved that phone. Great OS, sad it didn't go further.
@Powerbird As for charging for me it does not get hot for me, a little warm but that's it. It was only on day one of getting it which weird.
Sent from my SPH-L720 using xda premium

Same as kyhassen here first day phone charger and cord got extremely hot when I first fully charged it. It ran 1day 15hours and am presently charging it and its not hot anymore. The charger was warm at first now it has cooled down that its at 92% I love that it charges really fast and will see how long it last this time.

You guys should have owned the HTC One, One of the reasons I left that phone was because of the 4.5 hour charge time. Ridiculous. Thank God the S4 is way better in that regard.

coojoe1000 said:
You guys should have owned the HTC One, One of the reasons I left that phone was because of the 4.5 hour charge time. Ridiculous. Thank God the S4 is way better in that regard.
Click to expand...
Click to collapse
That's better than how the sgsiii was. Mine took 6-9 hours to charge

eyecon82 said:
That's better than how the sgsiii was. Mine took 6-9 hours to charge
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Click to collapse
It did take a while. But I used a palm pre charger and it was like 3 hours. If i used a aftermarket cord I had it was 12 hours
Sent from my SPH-L720 using xda premium

Im using my note 2 charger and it seem slow charging compared to how fast my note 2 charged. Haven't tried the s4 charger cuz I thought they was the same (2amps). Is there a difference
Sent from my SPH-L720 using Tapatalk 2

I just went to plug my phone into the charger and found this!
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Holy crap! I have mine charging now and I had check it. It's a little warm but it luckily it still doesn't have any holes in it.
Sent from my SPH-L720 using xda app-developers app

thisguyinoc said:
I just went to plug my phone into the charger and found this!
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Click to collapse
WTF!
I am not getting anywhere near 30 minutes. My first charge from dead to 100% with the phone off was about 2.5 hours. I am charging it right now from dead and it has been going for about an hour about 75% done. Wonder if I have a defective charger or cable? Will try a different cable to test first.

thisguyinoc said:
I just went to plug my phone into the charger and found this!
Click to expand...
Click to collapse
crawrj said:
WTF!
I am not getting anywhere near 30 minutes. My first charge from dead to 100% with the phone off was about 2.5 hours. I am charging it right now from dead and it has been going for about an hour about 75% done. Wonder if I have a defective charger or cable? Will try a different cable to test first.
Click to expand...
Click to collapse
same here man

Very slow charging when the screen is on

Has anybody noticed that if you have the screen on, the battery charges extremely slowly.
I've noticed that w the screen on using gsam, the battery is only being charged at 500mah whereas if the screen is off, it is being charged at 2200mah.
I get it that the phone will charge slower w the screen on, but it shouldn't be this bad.
Here's a screenshot, you can see that I started charging a little before 4pm and after 50 min it only charged aroudn 10%.
Once I turn the screen off it will start charging very fast. But it shouldn't be charging this slowly w the screen on.
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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
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}
Sent from my Nexus 5X using Tapatalk

Last night (the first time I charged it) my battery did not charge at all when the screen was on. It was a straight flat line. I was using the stock charger, and the lock.screen showed it was in rapid charge. It was perplexing.
I did not experience this today when I charged it.

So today when u had the screen on, the battery was being charged quickly?
Can u install gsam battery monitor and check your mah?
I want to know whether my phone or charger is defective or is it normal.

I've noticed the same thing. Battery was down to 15% when I got off work yesterday. I left the screen on, plugged it into my car (which should be a rapid charge), and streamed some youtube videos via Bluetooth.
Got home 45 mins later and the phone had charged to 18%

Thanks I can't believe none of the reviews mentioned this.
This is a deal breaker for me. I use my phone all the time plugged in. If it's barely charging then that's not acceptable.
So I let my phone charge for 30min w the screen off and it charged 55%, which is great but I need it to charge faster w the screen on.

This was the exact reason I returned my g4 back when it was new. Hardly anyone else seemed to have an issue with this, but I use it in my car all the time so it was a huge deal to me. Maybe it's the 808? I wonder if the 6p has the same problem since it's a different soc

I hope the 6p doesn't have this issue because if it does I'm switching to the iPhone.
It's inexcusable that Google would let something like this get past qa.
Sent from my Nexus 6 using Tapatalk

I've just installed GSam and tested and it shows charging at 1700 - 2200ma whilst the screen is on.
Sent from my Nexus 5X using Tapatalk

Must be a heat thing then if the above people were using in vat streaming music and GPS too

Thanks. I'm hoping i just have a defective charger or phone battery.
Maybe the battery is reporting incorrect temp.
This happens if I'm just doing regular browsing. The back of the phone doesn't feel hot at all.
This is my battery temp while charging

nyjumpman said:
I've noticed the same thing. Battery was down to 15% when I got off work yesterday. I left the screen on, plugged it into my car (which should be a rapid charge), and streamed some youtube videos via Bluetooth.
Got home 45 mins later and the phone had charged to 18%
Click to expand...
Click to collapse
Ha-ha hope you weren't the driver.
Seriously though, I normally drive home at night and stream and charge as well. Will have to try this out Monday night.

ghettopops said:
Ha-ha hope you weren't the driver.
Seriously though, I normally drive home at night and stream and charge as well. Will have to try this out Monday night.
Click to expand...
Click to collapse
whenever I game, I typically plug in, so if my battery is not charging very much thats a big deal.
I'm hoping I have a defective battery or charger, but I would like to get input from others to see if they are experiencing the same issue.
Again, never had this problem with any other nexus device. Only the 5x. Have a 6p on order, will test that out when I get it.

dwang said:
whenever I game, I typically plug in, so if my battery is not charging very much thats a big deal.
I'm hoping I have a defective battery or charger, but I would like to get input from others to see if they are experiencing the same issue.
Again, never had this problem with any other nexus device. Only the 5x. Have a 6p on order, will test that out when I get it.
Click to expand...
Click to collapse
If you're gaming then the phone is thermal throttling, if you're throttling then the phone will slow down charge speeds to protect the battery. That sounds like normal operation to me.
No one likes to hear this but you honestly shouldn't be gaming while charging the battery as high heat while charging degrades it. Situations like gaming or GPS navigation in a hot car can be some of the hottest scenarios for a phone.
Lastly, the faster a phone charges the more heat it produces. I've instantly noticed how plugging in a 5x it heats up much quicker and faster than the N5 because it is charging up to 3000mA per second. LG and Google both know that faster charging is already degrading the battery faster (a trade of between speed and longevity) and have more than likely put in safety precautions to protect it from heat exposure during that time.
You can hear it directly from Google as well:
Battery lifespan, charging & usage tips
2. Keep it cool
Avoid situations where your device can overheat. Your battery will drain much faster when it's hot, even if you're not using it, and this can even damage your battery. Bear in mind that your device warms up when it's plugged in, so try not to keep it charging all the time.
Click to expand...
Click to collapse

I haven't had any problems like this

I don't mind if it charges slower like maybe 1000mah, but it's charging at less than 500mah even if I'm just browsing or just idling w the screen on.
I think I must have defective battery or charger.
Sent from my Nexus 5X using Tapatalk

I'm wondering if there's a conditioning period. First charge, flat line with screen on. Second charge, projected time to fill was a touch over 3 hours. Third time, under 90 minutes... Coming from the 1-2% range each time.

nyjumpman said:
I've noticed the same thing. Battery was down to 15% when I got off work yesterday. I left the screen on, plugged it into my car (which should be a rapid charge), and streamed some youtube videos via Bluetooth.
Got home 45 mins later and the phone had charged to 18%
Click to expand...
Click to collapse
dwang said:
whenever I game, I typically plug in, so if my battery is not charging very much thats a big deal.
I'm hoping I have a defective battery or charger, but I would like to get input from others to see if they are experiencing the same issue.
Again, never had this problem with any other nexus device. Only the 5x. Have a 6p on order, will test that out when I get it.
Click to expand...
Click to collapse
OK briefly tried out this. I turned off wifi and plugged in Nx, started up Order and Chaos 2(which will drain my N10 pretty quick and charger just slows down the drain). I played for 2-3 mins and I charged from 91-95%. I don't think that Netflix (which I stream on way home from work) will be more intensive.
I have been driving and charging, while streaming, for years. Personally don't think I have hurt any of my phones. Although I am no expert so who knows.

You drive and stream Netflix???

mecasull said:
You drive and stream Netflix???
Click to expand...
Click to collapse
Doesn't everyone?

ghettopops said:
Doesn't everyone?
Click to expand...
Click to collapse
I usually drive when I'm driving.

OEM Charger & Cable nother Quick Charging. Phone says it is.

From my understanding when the battery is lower than 50% the Stock OEM charger is suppose to feed 9v at 1.6a. And after 50% it's supposed to drop back down to 5v 2a. My stock OEM charger and Cable does not go to 9v at all. I didn't see the charger go to 4v. Would not show amperage.
Heres photo after letting charge for 10min under 50%
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

Do you hve fast charge enable in battery settings
---------- Post added at 09:35 AM ---------- Previous post was at 09:34 AM ----------
James.Markham0757 said:
From my understanding when the battery is lower than 50% the Stock OEM charger is suppose to feed 9v at 1.6a. And after 50% it's supposed to drop back down to 5v 2a. My stock OEM charger and Cable does not go to 9v at all. I didn't see the charger go to 4v. Would not show amperage.
Heres photo after letting charge for 10min under 50%
Click to expand...
Click to collapse
Do you have fast charge enabled in battery menu in settings???

TheMadScientist420 said:
Do you hve fast charge enable in battery settings
---------- Post added at 09:35 AM ---------- Previous post was at 09:34 AM ----------
Do you have fast charge enabled in battery menu in settings???
Click to expand...
Click to collapse
Yes I do. And it says fast charging when plugged in in the notification menu and on the home screen

Try a diffrent app i noticed u were using ampre i was getting eronnous readings on my g4. U mqy have to set some of the variables in ampre cause of the way it reads
It always says my g4 is charging at 500 mah. And i know its not true. Everything else said 1.5 amps

TheMadScientist420 said:
Do you hve fast charge enable in battery settings
---------- Post added at 09:35 AM ---------- Previous post was at 09:34 AM ----------
Do you have fast charge enabled in battery menu in settings???
Click to expand...
Click to collapse
TheMadScientist420 said:
Try a diffrent app i noticed u were using ampre i was getting eronnous readings on my g4. U mqy have to set some of the variables in ampre cause of the way it reads
It always says my g4 is charging at 500 mah. And i know its not true. Everything else said 1.5 amps
Click to expand...
Click to collapse
What app Do you recommend

James.Markham0757 said:
What app Do you recommend
Click to expand...
Click to collapse
I use 3c toolboxes battery managerbut still has to be tweaked for rite readings
also if samsungs anything like lg when the screens on it don't fast charge normally to keep the heat down
like rite now my fast charge is only 1.5 amps
its always changing it might fast charge for 2 or 3 min then drop off for 2 or 3 min kind of thing
I personally don't like fast charge its hard on a battery the slower you charge em the longer they'll last
imo
just like a car battery slow charges are always better

I normally turn my phone off when I'm charging the battery because it charges so much faster and the heat and stuff. So I'll leave it off till it's done or close and take it out of the case. It doesn't take long so I don't mind doing that. I got looking into this because I was looking to purchase a new cable and wanted to be able to compare and make sure I was getting the same charge times.

James.Markham0757 said:
I normally turn my phone off when I'm charging the battery because it charges so much faster and the heat and stuff. So I'll leave it off till it's done or close and take it out of the case. It doesn't take long so I don't mind doing that. I got looking into this because I was looking to purchase a new cable and wanted to be able to compare and make sure I was getting the same charge times.
Click to expand...
Click to collapse
yall oughta get some wireless charging pads youll never plug the phone in again

TheMadScientist420 said:
yall oughta get some wireless charging pads youll never plug the phone in again
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I got it and I never use it
1 it takes longer
2 it generates more heat killing the battery faster

James.Markham0757 said:
I got it and I never use it
1 it takes longer
2 it generates more heat killing the battery faster
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I dont have the fast charge pad

TheMadScientist420 said:
yall oughta get some wireless charging pads youll never plug the phone in again
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TheMadScientist420 said:
I dont have the fast charge pad
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Idk I'm not really into the entire idea. Yes it's nice. But when I know I can get a faster charge plugged in it just seems useless.

James.Markham0757 said:
Idk I'm not really into the entire idea. Yes it's nice. But when I know I can get a faster charge plugged in it just seems useless.
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Actually, I use the computer (either my desktop or one of my notebooks) to charge my devices (Galaxy Nexus , Lenovo tablet, and Galaxy S7 that is awaiting pickup by its owner). While the two Samsungs both support wireless charging (yes - the GNex does as well - as long as it is running MM or later), I prefer wired charging.

PGHammer said:
Actually, I use the computer (either my desktop or one of my notebooks) to charge my devices (Galaxy Nexus , Lenovo tablet, and Galaxy S7 that is awaiting pickup by its owner). While the two Samsungs both support wireless charging (yes - the GNex does as well - as long as it is running MM or later), I prefer wired charging.
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Hearing that you use your computer to charge your devices is like screeching nails on a chalkboard to me ?

Do you use your (smart)phone when at your desktop? I usually don't.
James.Markham0757 said:
Hearing that you use your computer to charge your devices is like screeching nails on a chalkboard to me
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Why is that? As long as your computer supports USB 2.0 (and unless it's older than Windows Vista, it likely does) and your phone or tablet is *newer* than the Samsung Galaxy Tab 2, it's a standard feature (of both PC and phone - the same also applies to portable computers - such as laptops and notebooks). Yes - it's a trickle-charge (compared to plugging it into a wall charger or cigarette lighter) - however. I'm more than likely using my PC while the devices are plugged into unused-otherwise USB ports - it's not like the USB ports they are plugged into are doing anything else. (In short, I'm not sacrificing USB ports to use them for that purpose - out of the ten USB ports my desktop PC supports, I'm only using - for all purposes - six; I have four headers that I am not using at all.) On top of that, most USB chargers for Android devices are of the "wall-wart" type OR are cursed with short cord length - or both. (Yuck to both.)
I don't need a fast-charge - and especially not when I can top off using a trickle-charge while not using my phone OR tablet - and I'm usually not when I'm at my desktop PC.

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 Google Pixel 3 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!

The Pixel and Pixel 2 used to charge "fine" through a PC port. The pixel 3 charges extremely slowly. For example my Pixel 2 would be at 50% battery and using the USB port on my car it would be close to 90% when I got home. Under the same situation, the Pixel 3 would only be at 55%. Same problem using the PC port. I know I know it's NOT supposed to be fast charge but I am only stating the facts and differences. Stock charger charges fine.

Pixel 3 charges very slowly on my existing 2.4A (per port) multi usb charger. Clearly it's not a PD charger, but it always provided enough juice for my nexus 5x to charge quickly. Clearly the pixel 3 doesn't like it.

Can confirm this also. Ampere indicates that it pulls less than 200mA on any non-USB type C charger. This is different from my previous Pixel 2.

With Samsung fast wireless charger, s9 goes from 20%to 100 in less than 2 h, pixel 3 charged only 25% in 2 h....... Charging speed is awfull if you don't use Google chargers

nondoB said:
Can confirm this also. Ampere indicates that it pulls less than 200mA on any non-USB type C charger. This is different from my previous Pixel 2.
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Something is not right there. I see around 1000 mA with an old 1.0A charger and around 1300 mA with various 2.4A ones. Even with 'slow' wireless I see 500-600 mA
Sent from my Pixel 3 using XDA Labs

With Nov security update. No improvements. It charges fine with pd charger but insanely slow with any other.

My Pixel 3 charges plenty fast for me. Although, I typically use my Dell Latitude 20v (45W) PD charger.

piccit said:
Something is not right there. I see around 1000 mA with an old 1.0A charger and around 1300 mA with various 2.4A ones. Even with 'slow' wireless I see 500-600 mA
Sent from my Pixel 3 using XDA Labs
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I'm not an expert at this stuff and certainly might be missing something but charging at 1000mA from a 1A charger should be physically impossible. Wouldn't that be 100% efficiency?

Yup.. Charging is too slow.. Infact, the charging time estimated (which is shown on the lock screen when the phone is being charged) is also wrong.. May be it gets adjusted over time...

tranquill1800 said:
Yup.. Charging is too slow.. Infact, the charging time estimated (which is shown on the lock screen when the phone is being charged) is also wrong.. May be it gets adjusted over time...
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The estimate is adjusted over time. To my knowledge, all fast charge technologies are able to charge much quicker when the battery is low, but then slow the charge down as the battery approaches a fully charged state/heats up. The estimate would simply be a guess, since they likely are, app status, ambient temperature and battery condition dependent.
This can be seen in the graph on xda's quick charging comparison. Note that all the technologies start out quite fast but eventually taper off. Also note that USB-PD is the slowest (most conservative) of the technologies after the battery gets to about %40 charge.
https://www.xda-developers.com/charging-comparison-oneplus-huawei/
I would add that my new pixel 3 does appear to charge a little slower than some of my previous devices, however I've got several devices that use USB-PD so the versatility of USB-PD and ability to use one charger across my devices more than makes up for the extra 30 minutes or so of cellphone charge time. Guess everyone's expectations are different.

"Fast charging" on the Pixel is via Power Delivery. This is only possible over USB-C; PD can negotiate higher charging rates by increasing the voltage. This is not possible with PC type A ports; type A is rated for 5v, 3a max.
Qualcomm Quick Charge does adjust voltage and uses type A ports, but it uses the data pins for rate negotiation, while PD uses pins unique to USB-C.

jimv1983 said:
I'm not an expert at this stuff and certainly might be missing something but charging at 1000mA from a 1A charger should be physically impossible. Wouldn't that be 100% efficiency?
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No. The charger is able to deliver 1000mA, but the total power delivered to the device will be less than it draws from the mains supply (the difference wasted as heat).

Powergreb said:
The Pixel and Pixel 2 used to charge "fine" through a PC port. The pixel 3 charges extremely slowly. For example my Pixel 2 would be at 50% battery and using the USB port on my car it would be close to 90% when I got home. Under the same situation, the Pixel 3 would only be at 55%. Same problem using the PC port. I know I know it's NOT supposed to be fast charge but I am only stating the facts and differences. Stock charger charges fine.
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Exactly. Google has really messed up the charging speed. Pixel2 used to be fine with usb ports. Pixel3 charges faster only with stock charger with which it came.
Sent from my Pixel 3 using Tapatalk

David Horn said:
No. The charger is able to deliver 1000mA, but the total power delivered to the device will be less than it draws from the mains supply (the difference wasted as heat).
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Yeah, that's what I thought but the comment I replied to said it was charging at 1A from a 1A charger. I would expect maybe 800mA from a 1A charger.

jimv1983 said:
Yeah, that's what I thought but the comment I replied to said it was charging at 1A from a 1A charger. I would expect maybe 800mA from a 1A charger.
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Yeah idk if I just mixed up my numbers (I had been testing multiple charges) or what. Tried again and it averaged more around 600
Sent from my Google Pixel 3 using XDA Labs

The phone doesn't like to charge fast if the battery tempeturature is "high" (higher than 35 ºC). It's just a very agressive charge trhottle. Try charging again but in a colder weather or room.
It was my experience.

The charger that comes with the phone is not fast charger?
Got my phone yesterday and when I charged it, it said it's slow charging....
Edit
Second charge was fast charge according to info on screen.

After Dec update, the PC port charging is normal, not rad, not slow but normal. Problem fixed.

Wireless charging speed
Powergreb said:
After Dec update, the PC port charging is normal, not rad, not slow but normal. Problem fixed.
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I felt similar way until today. But today at around 20% battery I put my Pixel 3 at Pixel Stand and have got that:
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I already posted regarding strange behavior of wireless charging: https://forum.xda-developers.com/showpost.php?p=78315849&postcount=73:
Before I've got original Pixel Stand, I used generic wireless charger. No surprises, it chargers P3 slowly. But there is more. Sometimes it doesn't charge P3 at all. Way more strange, that almost the same behavior I have with Pixel Stand. After some days I began to suspect there is a regularity - the charge at full speed works with at least 85% of charge at phone. If the charge is lower, the possibility the charge would be at rapid speed is pretty low. It can claim it charges rapidly, but in fact it doesn't charge at all, since the charge is going down at the same rate as phone out of any charging. I definitely have relatively small statistics and can not say for sure that 85% is a "red line" for triggering wireless charge start (regardless of speed in my case). Today even at 91% phone battery wireless charging at Pixel Stand didn't start at all (with "charging rapidly" announcement at screen and slowly discharging phone). Other functions of Stand work pretty good regardless of what's going on with charging. I didn't contact Google Customer Service since the results are unstable.
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In case of regular charging through the USB-C cable from native Pixel charger I've never had any problems. But wireless charging even with original Pixel Stand doesn't look good. At the generic charger even after Dec update charging goes south - not charging at all or with original Google wireless charger just like at screenshot - rapid charging in day and a half. It's better, than no charge, but for $79.99 for original Pixel Stand it has to be faster.