Develop Bugs

Galaxy Nexus 3G charging time (with graph)

Hello *@*,
I intentionally discharged my GN to a battery level of 1% today to record the charging time just for myself. Then I thought: why not make a graph out of it and share it with XDA?
Total charging time (1% to 100%): 142 minutes
Level checked at 0, 30, 60, 90, 120, 125, 130, 135, 140 and 142 minutes
WiFi On, 3G On, Sync On, Screen Off, no calls/msgs/notifications received, phone not used except for % check
1750 mAh Samsung stock battery & charger

Stock or extended battery? I've noticed my charge time varies wildly. Most of the time it's on par with what you've listed here, but every once in a while it goes up 30% in like 20 mins.

Drewmungus said:
Stock or extended battery? I've noticed my charge time varies wildly. Most of the time it's on par with what you've listed here, but every once in a while it goes up 30% in like 20 mins.
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3G, 1750 mAh stock battery. Sorry, I forgot about that.

Its so curious how the charge can be faster at the start

Rickymax said:
Its so curious how the charge can be faster at the start
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Get a more powerful charger.... I'm using my playbook charger, which uses a 2.1 amp... Way faster than 142 mins... Mine takes about 1:30 to charge from 1% to full.
Sent from my Galaxy Nexus

Rickymax said:
Its so curious how the charge can be faster at the start
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Click to collapse
All capacitors acts this way (a battery is also a capacitor) the charge/discharge is always fsstest to 63% both ways and after that it slowes down.. this can ofcourse be monitored and controlled with soft or hardware. But this is the reality of capacitors
Sent from my Galaxy Nexus using xda premium

big samm said:
Get a more powerful charger.... I'm using my playbook charger, which uses a 2.1 amp... Way faster than 142 mins... Mine takes about 1:30 to charge from 1% to full.
Sent from my Galaxy Nexus
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isnt it bad for the battery when it is not designed to receive charge that quickly?

All about charging LiIon batteries: http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries
TL;DR:
LiIons are charged in two main stages:
- stage 1 with constant current, that's the fast charging rate for (roughly) the first 2/3 of the batteries capacity
- stage 2 with constant voltage and a tapered charge current for the last 1/3 of the batteries capacity, that's the slow part where the graph flattens
This is necessary because a LiIon battery is full at exactly 4.20 V and can not handle any overcharge. In fact at ~4.55 V (only + 0.35 V!) the battery would "vent with flame" aka explode.
If you wanna do this on purpose, this is what will happen: http://www.youtube.com/watch?v=YCWdnjLqVWw
Using a more powerful charger can work if the electronics inside the GN handle the higher current properly. I wouldn't recommend it, though. It may charge quicker but it will wear down your battery faster as well.

The phone can only draw up to 1A regardless of much higher the charger is.
So if you're buying a charger, don't bother paying extra for a 2A, but there is no harm in using a 2A charger if you already have one.

wonshikee said:
The phone can only draw up to 1A regardless of much higher the charger is.
So if you're buying a charger, don't bother paying extra for a 2A, but there is no harm in using a 2A charger if you already have one.
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But I can assure you that my phone charges faster with my Playbook charger than the regular charger that came with the phone... How many amp the regular charger uses?
Sent from my Galaxy Nexus

big samm said:
But I can assure you that my phone charges faster with my Playbook charger than the regular charger that came with the phone... How many amp the regular charger uses?
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Stock charger is 5V/1A (=5 watts). There may be some leeway built into the GN's charging electronics so it can utilize more than 5 watts, but you can safely assume that Samsung would have packaged this phone with a 10 watt charger if it was safe (or desirable in terms of charging time vs. battery durability). Charging time is an important aspect after all.

The phone can absolutely handle it. I think Samsung is just too cheap to give us a rapid charger, I mean there was enough space in the box.
Sent from my Galaxy Nexus

My car charger is a 2amp charger and does approximetly 1 percent a minute. At home I connect it to my HP Touchpad charger and it seems to charge really quick.
But I LOOOOOOVE my car charger as it can charge my Tablets and phones fast. Well worth the 30 bucks I spent at Best Buy for the rapid charger.

surely a 2amp charger is capable of providing 2amps, but if whatever is attached only drawers 1amp then that's what it'll get ? It doesn't force 2 amps down it's throat ? My palm pre 2 charger is 1amp, my touchpad has a 2 amp charger, but my palm pre doesn't charge any quicker using the touchpad charger.

My Gnex does charge really fast using the plug that came with it especially coming from galaxy s2 which takes ages for a full charge.

alphaola said:
My Gnex does charge really fast using the plug that came with it especially coming from galaxy s2 which takes ages for a full charge.
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+1 I found the gnex really fast charging compared to my sgs2. With the sgs2 I always had it plugged in for fear of a flat battery with the gnex the charging is so fast I don't care anymore.
Sent from my Galaxy Nexus using XDA App

AcE XBOX said:
My car charger is a 2amp charger and does approximetly 1 percent a minute. At home I connect it to my HP Touchpad charger and it seems to charge really quick.
But I LOOOOOOVE my car charger as it can charge my Tablets and phones fast. Well worth the 30 bucks I spent at Best Buy for the rapid charger.
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Click to collapse
FYI, 1% a min is roughly 1A.
In 1 hour, it would restore 60%, 60% of 1.750A = 1.050A.
Nexus battery is the perfect size to eyeball the inflow rate.
30%/hr = .5A
60%/hr = 1A
60%/30min = 2A
If you think you're charging at 2A, simply time it. Also these are rough numbers and will only be accurate when the battery is low.

Does fast charged battery dies faster then wall charger?

Yesterday I used fast charge to charge one of two batteries to 100%, and charge other battery with wall charge.
Today, basically same usage, read electric book , wall charger charged battery last about 4 or 5 hours, then I replace it with the battery charged by fast charge, suddenly.... 25% drain after 30 minutes...
So I start to think that fast charge isn't really make battery up to 1800 mAh or what?
Because it's kinda ridiculous that 30 minutes drain 25% battery with only reading electric book, I suspect even play 3d game or 3G network browsing could drain that kind much juices in 30 minutes ...
I don't think it relates to ROM or something like that, because when I use these 2 batteries in same environment, didn't do anything, except shutdown, replace battery and boot...
Any theory?
Sent from my Galaxy Nexus using xda premium

All fast charge does is allow a full amp from a USB cable (normally limited to half an amp from USB). The battery doesn't care if that amp comes from a USB cable or a wall charger, so no, it doesn't die faster based on a charging method.

But still curious that why my wall charger charged battery lasts 4,5 hours but fast charge charged battery drain 25% in 30 minutes which would only last like 2 hours in same usage....
Sent from my Galaxy Nexus using xda premium

qtwrk said:
But still curious that why my wall charger charged battery lasts 4,5 hours but fast charge charged battery drain 25% in 30 minutes which would only last like 2 hours in same usage....
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Actually duplicating usage is nearly impossible. There could have been instances of lower signal, which chews on battery. There could have been a rogue background process that was chewing on the battery. There could be one of a thousand things that changed how your phone went through your battery.
The only argument for fast charge being the culprit would be an argument of a full amp vs a half amp charge. Some might argue that the half amp slower charge could lead to a better tuned battery, but I'm no electrical engineer, so I don't know if there's logic for or against that argument. However, if you're using a full amp wall charger, your battery won't find a difference between the amp from the wall or the amp from USB.

That's true, slow charge improves in fact battry drainage. It is true fir my GNex and the 3 other Android phones I got before. I don't use my wall charger anymore.

eng.stk said:
That's true, slow charge improves in fact battry drainage. It is true fir my GNex and the 3 other Android phones I got before. I don't use my wall charger anymore.
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You're contradicting yourself, i'm afraid.
Sent from my i9250

Cilraaz said:
Actually duplicating usage is nearly impossible. There could have been instances of lower signal, which chews on battery. There could have been a rogue background process that was chewing on the battery. There could be one of a thousand things that changed how your phone went through your battery.
The only argument for fast charge being the culprit would be an argument of a full amp vs a half amp charge. Some might argue that the half amp slower charge could lead to a better tuned battery, but I'm no electrical engineer, so I don't know if there's logic for or against that argument. However, if you're using a full amp wall charger, your battery won't find a difference between the amp from the wall or the amp from USB.
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Impossible yes, I know, but still, it shouldn't be that much different as first battery lasts 4,5 hours and second only about 2 hours....
And I didn't do anything like change setting, install new app or kill background process, as i said before, it might have some different, but shouldn't be that much
Sent from my Galaxy Nexus using xda premium

Charge Time

Im coming from a G2 and both have the same battery capacity and the g3 takes way longer to charge.
I have data and everything turned off. Its been about an hour and its only charged about 38%.
I was using the original wall port to charge but that took way longer, now im currently using a 2amp samsung wallport.
Anybody having issues with charging?

Two hours to fully charge a 3000mAh battery doesn't feel that crazy to me, I dunno.

SomeGuyDude said:
Two hours to fully charge a 3000mAh battery doesn't feel that crazy to me, I dunno.
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2 hours 80%

With my experience, using the stock G3 charger works the best it seems.
When I first got my two white G3's last week, I set both of them up to charge next to each other. One was on the stock charger and another was on a normal HTC 1amp block (from my HTC One M7), obviously the stock charger was just a tad over 2x faster.
I then changed out the 1amp block and used my Note 3 2amp block and the Note 3 charger was about 33% slower to charger than the stock charger, quite surprisingly.
Bear in mind, the stock charger says it is rated at 1.8amps.
They were both setup and tracked with % increase in charger over a 2hr period, over two separate days, both with same services, brightness and other comparable settings to track as even as possible use and drain/charge.
Also of note, I saw that the battery for the G3 is a Lithium Poly and not the normal Lithium Ion batteries, was were in my Note 3, that might make a difference, but I am not entirely sure (haven't had a chance to research LioP batteries over LioIon).

bodom_hc said:
2 hours 80%
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That actually isnt so bad.

Very slow charging

Anyone else notice that with the supplied charger charging ins't what it should be. My iPhone 5 charged almost twice as fast as this phone. I find it kind of annoying. I did order one of these chargers hoping that solves the issue.
http://www.amazon.com/gp/product/B00HPTU00E/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

The supplied charger is charging rapidly no doubt.
I guess not less than 1% per minute - particularly when below 70%..

jauhien said:
The supplied charger is charging rapidly no doubt.
I guess not less than 1% per minute - particularly when below 70%..
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No its not. Especially when your using the phone and its on 5% plugged in. Takes forever to reach 6%.

I'm having literally no issues with charging from dead to 25% in about 15 minutes. 2 hours to 100% im very happy with the speed of charging and this is using my m8 charger as the m9 one is still sealed in box.
Sent from my D5803 using XDA Premium HD app

MattMJB0188 said:
No its not. Especially when your using the phone and its on 5% plugged in. Takes forever to reach 6%.
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I went with this one and it working like a champ, 30% to 100% in 50 min
https://www.amazon.com/gp/product/B00QTJZ3D0/ref=od_aui_detailpages00?ie=UTF8&psc=1

I've been using the GS4 charger, with a high output cable. The Samsung charger is 1.5A where the HTC m8/m9 charger is 1.0A

the supplied charger is definitely giving 1.5 amps to mine. charges up pretty quick. with a quickcharge 2.0 charger it's crazy fast to charge.
One thing to note is it will take a faster charge the lower the battery level is, which means more heat. if you're also gaming with it, you could be bumping against the battery charging cutoff temperature. I only ever saw this happen on my Tegra HOX+. IIRC HTC has the notification LED blink in alternating green and orange/red when this happens. I'm guessing you would have mentioned temperature in the OP if this was the case, but I figured I'd bring it up.

gonzo237 said:
The Samsung charger is 1.5A where the HTC m8/m9 charger is 1.0A
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Just spread your arm, pick whether HTC M8 or M9 charger, and read upon it.. 8)
Both M8 and M9 chargers are - 1.5 Ampere.. furthermore both handhelds are charging fast - otherwise if the cable is a problem..

jauhien said:
Just spread your arm, pick whether HTC M8 or M9 charger, and read upon it.. 8)
Both M8 and M9 chargers are - 1.5 Ampere..
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Sorry, meant it was 1.5a for HTC and 2.0a for the Samsung one. Didn't have them on hand to check.

iPhone 5 battery is 1,440 mAh... M9 battery is 2,840 mAh. 50% charge of Iphone battery doesn't equal 50% charge of M9 battery, in terms of charge time.
I believe the rate of charging to decrease while you use it to prevent the phone from overheating. (My M8 does this as well)
My stock charger is fast, and my quick charge 2.0 is crazy fast.

MattMJB0188 said:
No its not. Especially when your using the phone and its on 5% plugged in. Takes forever to reach 6%.
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If you are using your phone and charging at the same time, it will take longer to charge....

as someone who had a nexus 6 with turbo charging. this is bad. charging is so slow.

joetang97 said:
If you are using your phone and charging at the same time, it will take longer to charge....
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I got a qualcomm 2.0 charger and now its super fast.

MattMJB0188 said:
I got a qualcomm 2.0 charger and now its super fast.
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Yeah, this. I got an HTC Rapid Charger 2.0 for it just to be sure since I knew with certainty it's Quick Charge 2.0. In retrospect perhaps not the best move considering I'm essentially incentivising HTC for not including one in the box from the get go, but whatever.

MattMJB0188 said:
No its not. Especially when your using the phone and its on 5% plugged in. Takes forever to reach 6%.
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Yup i got the same issue gonna take me 6-11hrs to charge and its very slow charging

I had a similar problem to OP. The second night I had my phone I plugged it in at 11 pm with about 5% battery left and went to bed. At 5:15 the next morning (6 hours later) it was only at 85%. I can't tell if there's still a problem or I just think there is because I'm paranoid about it now. I haven't run my battery down that low since, and looking at the charge current with Ampere seems somewhat inconclusive. I may have to run it down and then keep an eye on it while charging to see what's going on.

Something IS wrong with SOME M9 phones (I think)
I have one of the "bad" ones. Mine takes hours and hours to charge, whether on the cable and plug that came in the box, or on any others that I have around - some I know are 2 Amps. I think there is something seriously wrong with some of these phones, based on what I am reading in this thread, and on my own example. I have had my M9 for just a few days.

I'd like to post a follow up to this thread after having the phone for a couple of weeks now.
I've had several occurrences where my phone didn't fully charge overnight. The worst was a few days ago, I plugged it in at 5% and the next morning (6-8 hours) it was at 1%, it actually lost charge. I noticed before unplugging it so I looked at the history in Battery Widget Reborn and it showed the battery level just slowly dropped from 5% to 1% without any jumps or dips. The battery icon at the top of the screen showed it was charging but it died at that point so I didn't get a chance to open Ampere.
I think it's the charger (and/or the cable) that came with the phone. I've tried several other chargers that have all worked reliably:
- The QuickCharge 2.0 charger that came with my wife's S6 charges my phone really fast.
- I have a Kmashi external battery that also seems to charge it relatively quickly.
- Two older chargers that are several years old (both rated 5 volts at 0.7 amps) charge it from around 30% to full in 3-5 hours.
At first I thought it might have been a wakelock problem, but the battery has been dropping so slowly when the phone is just sitting in my pocket that I'm confident now that it's not wakelocks. I don't know if HTC is likely to send a replacement, but I'm going to stop into the Verizon store that I got the phone from to see if they'll replace it.
Gilligan

My phone is also odd when charging.
Half of the time it takes 6 hours or more to charge. If I look at GSAM battery monitor it shows a charge current of around 350mA. If I then unplug the charger and reconnect after 15 seconds I get over 1300mA charging current, most of the time. (It takes GSAM a while to show an accurate reading). Occasionally it will take a few tries to get it right. Once I get a good reading over 1300mA the phone will charge in 1.5 hours like it should.
Something very buggy about this phone's charging circuit. I get the same behaviour with all chargers and cables, even my battery bank.

MattMJB0188 said:
Anyone else notice that with the supplied charger charging ins't what it should be. My iPhone 5 charged almost twice as fast as this phone. I find it kind of annoying. I did order one of these chargers hoping that solves the issue.
http://www.amazon.com/gp/product/B00HPTU00E/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Click to expand...
Click to collapse
I use a 2A tablet charger from my hp touchpad. Charges from dead to 100% in 45 minutes.

Is it possible to turn off the dash charge?

Hi,
Is it possible to turn off the dash charge? 5T is charged only overnight cause it can last the whole day anyway.
PS: I can turn off Fash Charge in my Samsung Note. So it saves battery if I charge only overnight and don't need fast charge feature.

There is no stock option for this. Maybe a custom kernel can support it or a custom kernel that doesn't support it at all would also be a possibility in theory.
I would suggest using a normal power adapter instead of the Dash charging one. Even a normal USB C cable prevents Dash charging as it can only be used with OnePlus' own cable. So maybe get a cheap USB C cable and use that?

Use a low amperage charger. Something like 1000mah. This will slowly charge your phone overnight. But make sure you use a quality charger.

Why would you want to do this? The OnePlus dash charger works differently from other chargers in that it holds the heat in the charging block. If you use a standard adapter you would transfer the heat to the phone while charging. I would NOT recommend doing this.
Sent from my ONEPLUS A5010 using Tapatalk

I use an Anker IQ 6-port Charger with a couple of fairly good quality cables.
I personally try to avoid any kind of fast charge because it will end up damaging the battery life faster than "standard" charge, even if the heat is absorbed by the DASH charger block. IQ Charge adapts itself with the needs of the device connected.
And my unit stays cool if I touch it while its charging.

Charge however you want. But for me, dash charger while getting ready in the morning or when you have a free half hour. Forget about charging overnight. I don't know your usage but for me, this works. The phone just sits on my nightstand without connecting overnight and I lose a very minimal battery amount.
Sent from my ONEPLUS A5010 using Tapatalk
---------- Post added at 05:47 PM ---------- Previous post was at 05:43 PM ----------
https://www.guidingtech.com/61180/dash-charging-quick-charge. I'll just leave this here.
Sent from my ONEPLUS A5010 using Tapatalk

That's why we can choose
Just not in a software way.

I choose to use wireless charging using a receiver.
通过我的 ONEPLUS A5010 上的 Tapatalk发言

DragonMessor said:
Use a low amperage charger. Something like 1000mah. This will slowly charge your phone overnight. But make sure you use a quality charger.
Click to expand...
Click to collapse
It's fine at even less than 1 amp. We have two 5Ts in the house and charge them at night at 0.35 - 0.45 amp.

I saw the dash reduce Ampare when pass above 80%.
(When not rush I use official iPhone 1Amp charger.)

Use 5V/2A standard charger to standard usb type c.
Oneplus 5t = 5V/4A
Quick Charge = 9V/2A
Dash n QC have more power!

I'm using an old 1A Samsung power adapter and dash charge cable and in addition I also use Battery Charge Limit app to limit charging the battery to 80%.
https://forum.xda-developers.com/android/apps-games/root-battery-charge-limit-t3557002

Headbanger1982 said:
I personally try to avoid any kind of fast charge because it will end up damaging the battery life faster than "standard" charge
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Click to collapse
No, it does not, especially not with dash charge. The excess heat is stored in the charger and is not transferred to the phone, and the heat is the only thing that degrades the battery faster.

SilverSurger said:
No, it does not, especially not with dash charge. The excess heat is stored in the charger and is not transferred to the phone, and the heat is the only thing that degrades the battery faster.
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Click to collapse
Your informations are not correct.
Dash (or VOOC, which is the very same technology since OnePlus is an Oppo brand) uses high current fast charging instead of high voltage charging (QuickCharge 2.0/3.0 uses high voltage) and the circuit that produces heat in phones that are not Dash/VOOC compliant is inside the phone, while in Dash/VOOC is inside the charger.
Oppo and OnePlush themselves have acknowledged that it makes SAFE to use the phone while it is quickcharging, NOT that the battery is not getting damaged by the use of a fast charging method, even if it charges at a lower voltage and higher current.
The use of any fast charge technology implies to shorten out the overall battery life.

SilverSurger said:
No, it does not, especially not with dash charge. The excess heat is stored in the charger and is not transferred to the phone, and the heat is the only thing that degrades the battery faster.
Click to expand...
Click to collapse
Just because they moved a bunch of the power regulation stuff to the charger doesn't mean the battery doesn't still get warmer. If you push 4 amps of current into it, it will heat up more so than when it receives, 1 amp.
Now you have me curious though, I guess I'll have to pay close attention to the battery temp next time I charge my battery. I've never used the dash charger, but perhaps I'll have to get it out of the box, and test with it as well just to see what kind of temps I see with a more powerful charger as well. I'm curious to see how much temperature difference there is.
I know on my Nexus 5X my phone always lasted long on a single charge when slow charged (0.35 amps), vs using the factory 3 amp charger.

Constantly topping up the battery overnight for 5-6 hours (assuming your slow charger will charge it to 100% in 2-3 hours) is worse than using Dash to charge it quickly in bursts in the morning and night when you have a spare 30 minutes.
I would never leave a phone stuck on a charger overnight. Especially since even the slowest charger in the works will charge the phone to 100% in three hours or so.

xocomaox said:
Constantly topping up the battery overnight for 5-6 hours (assuming your slow charger will charge it to 100% in 2-3 hours) is worse than using Dash to charge it quickly in bursts in the morning and night when you have a spare 30 minutes.
I would never leave a phone stuck on a charger overnight. Especially since even the slowest charger in the works will charge the phone to 100% in three hours or so.
Click to expand...
Click to collapse
I don't charge my phone over night either but by using above mentioned Battery Charge Limit app it is possible to stop charging when desired battery level has been reached.

Squabl said:
I don't charge my phone over night either but by using above mentioned Battery Charge Limit app it is possible to stop charging when desired battery level has been reached.
Click to expand...
Click to collapse
That would be a good idea to do. Although the best is to just Dash charge in short 30 minute bursts when you can.

Headbanger1982 said:
Your informations are not correct.
(...)
The use of any fast charge technology implies to shorten out the overall battery life.
Click to expand...
Click to collapse
How does it imply that? Heat is the only factor. Phone is not getting hot(ter than slowly charging) when charging.

What is the truth? With the rapid charging the battery deteriorates faster or better a slower charging?