Recently,i have tried charging off my Nexus 4 using the ipad charger as the original charger was not readily available.
I have observed the phone charging time has decreased considerably.
Checking for the technical reasons,ipad Charger serves 2.1A at 5V vs 1.2A at 5V by default charger.
My question how does this impact my battery on Long run?
htnawsaj said:
Recently,i have tried charging off my Nexus 4 using the ipad charger as the original charger was not readily available.
I have observed the phone charging time has decreased considerably.
Checking for the technical reasons,ipad Charger serves 2.1A at 5V vs 1.2A at 5V by default charger.
My question how does this impact my battery on Long run?
Click to expand...
Click to collapse
Fast-charging a battery negatively affects battery longevity somewhat. Ideally, if you want to preserve your battery, you'd charge it at the slowest rate possible (i.e., USB port at .5 A).
Given that the Nexus 4 has an improved battery that lasts 800 full cycles as opposed to the industry standard of 500 full cycles, I may not worry too much about it. It is more likely that you'll change your phone first.
PoisonWolf said:
Fast-charging a battery negatively affects battery longevity somewhat. Ideally, if you want to preserve your battery, you'd charge it at the slowest rate possible (i.e., USB port at .5 A).
Given that the Nexus 4 has an improved battery that lasts 800 full cycles as opposed to the industry standard of 500 full cycles, I may not worry too much about it. It is more likely that you'll change your phone first.
Click to expand...
Click to collapse
Serious? I charge my phone twice a day, yes full cycles. I do the 'RUSH TO THE CHARGER!!1!!11!' thing twice a day. So.. It's gonna die in 1 years' time?
jiayit said:
Serious? I charge my phone twice a day, yes full cycles. I do the 'RUSH TO THE CHARGER!!1!!11!' thing twice a day. So.. It's gonna die in 1 years' time?
Click to expand...
Click to collapse
Your battery isn't going to "die" per se. It just means that after 800 full charge cycles, the battery will hold less than the original capacity, typically about 80-90%, then 70%, and so on.
I think the higher voltage charger creates more heat which in turn will degrade batteries or electronics in general, making them not last as long. But who really cares anyway because a battery shouldn't be that hard to change out anyways.
Sent from my Nexus 4 using Xparent Cyan Tapatalk 2
eqjunkie829 said:
I think the higher voltage charger creates more heat which in turn will degrade batteries or electronics in general, making them not last as long. But who really cares anyway because a battery shouldn't be that hard to change out anyways.
Sent from my Nexus 4 using Xparent Cyan Tapatalk 2
Click to expand...
Click to collapse
Higher voltage or higher amperage?
estallings15 said:
Higher voltage or higher amperage?
Click to expand...
Click to collapse
Amperage, sorry.
Sent from my Nexus 4 using Xparent Cyan Tapatalk 2
eqjunkie829 said:
I think the higher voltage charger creates more heat which in turn will degrade batteries or electronics in general, making them not last as long. But who really cares anyway because a battery shouldn't be that hard to change out anyways.
Sent from my Nexus 4 using Xparent Cyan Tapatalk 2
Click to expand...
Click to collapse
Agree...i can observe that the back of the phone becomes hot with the ipad charger...
iPad chargers have some hardware thing in place to make it charge at USB rate for non-Apple devices. I tried my iPad charger and it charges at USB rate
akusokuzan said:
iPad chargers have some hardware thing in place to make it charge at USB rate for non-Apple devices. I tried my iPad charger and it charges at USB rate
Click to expand...
Click to collapse
I use my wife's Kindle fire charger and it brings the battery up very fast. I don't even care if I need to replace the battery on this phone early cause I don't want to wait 4 hours to charge from 0.
Sent from my Nexus 4 using Xparent Cyan Tapatalk 2
Related
Hi,
Nexus 7 charger ouputs 2A.
Is it safe and ok to use it to charge Galaxy Nexus, Nexus S, and HTC Desire?
I am thinking more in the long run, if it does not brake the phones.
Thanks
It should not hurt anything.My daughter charges her Droid 4 with my charger every day.
It'll charge it really slow since phone chargers are 1A. Everyone will have their opinion on this but my opinion is I wouldn't use a phone charger on the N7....it could over heat due to it charging slow. But I'm sure you'll hear others saying a slow charge is better so....
Sent from my Nexus 7 using xda premium
dirtyhamster73 said:
It'll charge it really slow since phone chargers are 1A. Everyone will have their opinion on this but my opinion is I wouldn't use a phone charger on the N7....it could over heat due to it charging slow. But I'm sure you'll hear others saying a slow charge is better so....
Sent from my Nexus 7 using xda premium
Click to expand...
Click to collapse
I was asking the other way around.
To use Nexus 7 to charge my phones. But the previous user just answered, thanks James.
When traveling, I want to carry just one charger for all my devices.
Sent from my Galaxy Nexus using xda premium
gogol said:
Hi,
Nexus 7 charger ouputs 2A.
Is it safe and ok to use it to charge Galaxy Nexus, Nexus S, and HTC Desire?
I am thinking more in the long run, if it does not brake the phones.
Thanks
Click to expand...
Click to collapse
Yup, it's fine, because a standard charger is, or used to be, 500 mAh, at 5 volts.
Some chargers are more mAh, like 700, and some are even 1 A.
If a charger is 2A, and your phone only draws 500 mAh, that is perfectly fine, because it's only drawing a quarter of what the charger can produce. In this case, the charger probably won't even get warm.
Neither my Sensation nor my wife's Sensation XL has died yet from using the Nexus charger
What mvmacd says is correct - just because the charger can supply 2A, it is the device that decides how much current it draws from the charger.
dirtyhamster73 said:
It'll charge it really slow since phone chargers are 1A. Everyone will have their opinion on this but my opinion is I wouldn't use a phone charger on the N7....it could over heat due to it charging slow. But I'm sure you'll hear others saying a slow charge is better so....
Sent from my Nexus 7 using xda premium
Click to expand...
Click to collapse
I actually find the charger that came with my razr does the job fine and its rated at 850ma. Other lower power chargers i have are slow though.
I doubt a slow charge would lead to overheating or else connecting to a pc would cause this too.
I think for chargers its a case of trying them to see how well they work.
Sent from my Nexus 7 using Tapatalk 2
gbroon said:
I actually find the charger that came with my razr does the job fine and its rated at 850ma. Other lower power chargers i have are slow though.
I doubt a slow charge would lead to overheating or else connecting to a pc would cause this too.
I think for chargers its a case of trying them to see how well they work.
Sent from my Nexus 7 using Tapatalk 2
Click to expand...
Click to collapse
Science proves other than your opinion. A too-low or too high max voltage or amperage charger can and will lead to overheating and severe reduction on battery life and can destroy the adapter as well.
MrSchroeder said:
Science proves other than your opinion. A too-low or too high max voltage or amperage charger can and will lead to overheating and severe reduction on battery life and can destroy the adapter as well.
Click to expand...
Click to collapse
Care to explain why Google says you can charge your device with a 500 mAh charger [standard USB port]? ["with the screen off"]
Won't it severely reduce battery life and burn out the motherboard of the USB? Oh, really? Google just forgot about that part when they were writing the instruction manual?
:silly:
MrSchroeder said:
Science proves other than your opinion. A too-low or too high max voltage or amperage charger can and will lead to overheating and severe reduction on battery life and can destroy the adapter as well.
Click to expand...
Click to collapse
Science generally proves things with facts and figures. From a forum point of view, a link is your minimum effort here
MrSchroeder said:
Science proves other than your opinion. A too-low or too high max voltage or amperage charger can and will lead to overheating and severe reduction on battery life and can destroy the adapter as well.
Click to expand...
Click to collapse
Modern devices and chargers shouldn't have this problem because of built-in regulators. A smartphone won't try to draw more than it can handle and chargers won't try to supply more than they can handle (unless they're very cheap).
I have been N7 charger on phone with no problem so far. I wonder about the statement about the phone not drawing more than it needs though. I replaced the battery in my TB after 9 months due to low life and swelling. I'm pretty sure the swelling came from leaving the phone on a car charger all day, even after the battery was full. If my phone had the ability to stop taking the charge it didn't need, this wouldn't happen...
Sent from my Nexus 7 using xda premium
My opinion still stands....I don't trust using anything other than the charger that came with the device. 6th post down makes perfect sense to me.
http://forum.xda-developers.com/archive/index.php/t-1370215.html
Your battery was likely defective. My phone literally stays on the charger all day when I'm not out.
gogol said:
Hi,
Nexus 7 charger ouputs 2A.
Is it safe and ok to use it to charge Galaxy Nexus, Nexus S, and HTC Desire?
I am thinking more in the long run, if it does not brake the phones.
Thanks
Click to expand...
Click to collapse
If the phones also charge at 2A then you should be fine. If the phones charge at lower amps (say 1A or 1.5A) then I wouldn't recommend using it everyday as it may reduce the battery efficiency. If it's an emergency go ahead and use it.
There's no harm in using a higher current charger with a lower current phone because the charger is not what's actually charging the battery, it's the phone, and the phone will limit the charging current. You can confirm this with a multimeter. The charger can't force the phone to draw more current than it was designed for. This would be different if you were charging the battery directly with a dedicated charger because then the charger itself is directly controlling the charging current.
MrSchroeder said:
Science proves other than your opinion. A too-low or too high max voltage or amperage charger can and will lead to overheating and severe reduction on battery life and can destroy the adapter as well.
Click to expand...
Click to collapse
Nope, just nope.
Sincerely, an electrical engineering student.
Sent from my Nexus 7 using Tapatalk 2
So is it me or does the s4 charge really really slow ?
is this the same for everyone ?
any fixes ?
gremlininthesystem said:
So is it me or does the s4 charge really really slow ?
is this the same for everyone ?
any fixes ?
Click to expand...
Click to collapse
How long does your phone charge from low to full? Mine is around 2 and 1/2 hours maybe? Im using my Nokia 808s USB charger though. havent tried charging it with the included white charger, cable is too short for me.
gremlininthesystem said:
So is it me or does the s4 charge really really slow ?
is this the same for everyone ?
any fixes ?
Click to expand...
Click to collapse
Hi,
What is your charge time?
Mine is 2 to 2 and a half hours.
Which battery and/or charger are you using? After coming from the S2 I have noticed a large decrease in charging time with my S4, so this is very surprising to me.
Well I tried charging from my computers use port at work today only rise 20% in 2 hours
Sent from my GT-I9505 using xda app-developers app
gremlininthesystem said:
Well I tried charging from my computers use port at work today only rise 20% in 2 hours
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
Well, laptop's USB port is not a charger - it's too weak for such a large battery.
gremlininthesystem said:
Well I tried charging from my computers use port at work today only rise 20% in 2 hours
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
...*facepalm*. You're not using original charger and you're complain that the one you use doens't works so well? Do you know that original charger is pulling 2000mA out, while your usb-port is pulling between 300mA and 500mA (depends if it front or back usb-port and the quality of usb port). Do the math, 2600mAh battery and 300mA / h. Full charge should take: 2600:300 = more than 8.5 hours.
With original charger S4 recharges from 0 to 100 in 1h 49minutes. If you take a solar charger it will charge even slower (like 48 hours for 0-100%).
Next time try to use your brain before complaining.
oliver005 said:
...
Next time try to use your brain before complaining.
Click to expand...
Click to collapse
no need to be rude. Not everyone knows that USB voltage varies.
Zymesh said:
...Im using my Nokia 808s USB charger though. havent tried charging it with the included white charger, cable is too short for me.
Click to expand...
Click to collapse
Your Samsung power brick has the cable physically attached to it? If not, you can just use a longer cable with the Samsung power supply.
The included power supply is 2 Amps, whoever is getting long charging times, make sure you use either the original Samsung power supply, or comparable in amperage supply.
Mine charges in 2 and a half hours.
Mine takes 2 to 2.5 h to charge from 0 to 100 percent. You should only use the new white charger, it's more powerful than the black one from s3, it's output is 2.0A ,old one is only 1.0A. Newer use other chargers as they may mess up your battery or phone.
Sent from my GT-I9505 using xda app-developers app
kreoXDA said:
Your Samsung power brick has the cable physically attached to it? If not, you can just use a longer cable with the Samsung power supply.
The included power supply is 2 Amps, whoever is getting long charging times, make sure you use either the original Samsung power supply, or comparable in amperage supply.
Mine charges in 2 and a half hours.
Click to expand...
Click to collapse
I have to check the amps but based on google the Nokia Charger is at 1.3 Amps. I need to remind myself to switch the short Samsung to longer Nokia cables.
Is it safe to get a higher Amp charger, the one that the iPad uses to charge my S4? No drawback execpt for a faster charging time right?
Zymesh said:
I have to check the amps but based on google the Nokia Charger is at 1.3 Amps. I need to remind myself to switch the short Samsung to longer Nokia cables.
Is it safe to get a higher Amp charger, the one that the iPad uses to charge my S4? No drawback execpt for a faster charging time right?
Click to expand...
Click to collapse
Take it this way, grilling meat takes for example 45minutes to cook completely. You take it to some powerful furnace like 2000degrees for 5minutes then what do you expect from it to give you back? Well cooked meat or some burned meat outside and maybe raw inside?
Sent from my GT-I9100 using Tapatalk 2
put it this way... the s3 comes with a 700ma charger. it charges a bit slow. and has a 2100mah battery.
the s4 comes with a 2 amp charger. thats 2000ma. it doesnt charge slowly if you use this charger. i personally am going to pop it on this charger when i get home from work and then keep it on my 700ma charger overnight... no reason to waste that powerful output, it will simply waste electricity.
make sure:
1. you use the charger that came with it
2. you use a cable thats as long as (or shorter than) the stock charging cable. longer usb cables tend to charge the phone slower.
also keep in mind usb ports charge any phone slowly. the s4 will charge even slower on them because the battery is oversized compared to most.
I'm using note 2 charger and if I surf Web while charging, literally it is not charging at all.. battery is not going up or down.. Note 2 was not like this.. i could charge battery even if I play 3d game..
Sent from my GT-I9505 using Tapatalk 2
u r right. but may and im pretty sure its just a software issue.
---------- Post added at 09:02 PM ---------- Previous post was at 08:59 PM ----------
fade2green514 said:
put it this way... the s3 comes with a 700ma charger. it charges a bit slow. and has a 2100mah battery.
the s4 comes with a 2 amp charger. thats 2000ma. it doesnt charge slowly if you use this charger. i personally am going to pop it on this charger when i get home from work and then keep it on my 700ma charger overnight... no reason to waste that powerful output, it will simply waste electricity.
make sure:
1. you use the charger that came with it
2. you use a cable thats as long as (or shorter than) the stock charging cable. longer usb cables tend to charge the phone slower.
also keep in mind usb ports charge any phone slowly. the s4 will charge even slower on them because the battery is oversized compared to most.
Click to expand...
Click to collapse
wow... what a science expert... first time i heard that longer cables charge slower... LOL
u funny dude.. there is no such thing like that buddy!
its just a software issue. S4 is just released and the chipset is very new. u people should wait for sometime...its a matter of few firmware releases from samsung for S4 and all the issues will be resolved. just like the latest issue resolved the over heating issues.
gremlininthesystem said:
Well I tried charging from my computers use port at work today only rise 20% in 2 hours
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
:laugh: u made my day bro :good:
gremlininthesystem said:
Well I tried charging from my computers use port at work today only rise 20% in 2 hours
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
USB is too low a voltage to charge a modern smartphone all that quickly, my S4 take 2.5 hours roughly to full charge on the stock charger.
androidizen said:
USB is too low a voltage to charge a modern smartphone all that quickly, my S4 take 2.5 hours roughly to full charge on the stock charger.
Click to expand...
Click to collapse
Voltage is exactly the same. It's amperage that you're thinking of.
Sent from my Nexus 7 using Tapatalk HD
Anyone tried using phone while charging? Mine charges 1% per hour while surfing web
Sent from my GT-I9505 using Tapatalk 2
reservin said:
Anyone tried using phone while charging? Mine charges 1% per hour while surfing web
Sent from my GT-I9505 using Tapatalk 2
Click to expand...
Click to collapse
Im using the white 2amp charger. It doesnt go down even when watching movies. Are you using the charger that came with your s4? There might ba a problem with your s4?
Sent from my GT-I9505 using Tapatalk 2
Surprised I couldn't find a thread about this when searching.. but has anyone tried the Lugulake Qi charger + 6000mAh battery pack with the N4? Any caveats?
http://www.amazon.com/gp/product/B00CY4SG10/ref=gno_cart_title_1?ie=UTF8&psc=1&smid=AOHIKKIFQW3GG
I'm interested in that too.
It'd be awasome with the mobility and the non-slippery surface.
Yes I bought this. I posted it at http://forum.xda-developers.com/showpost.php?p=45051552&postcount=25
Sent from my SPH-L900 using Tapatalk 2
This is kind of a useless product. Why not just get an external battery that can charge two devices. You lose a lot of the charge from heat generation
Sent from my Nexus 4 using Tapatalk 4
Dimatchka said:
This is kind of a useless product. Why not just get an external battery that can charge two devices. You lose a lot of the charge from heat generation
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
So would you consider Qi chargers useless? This actually takes them a step further by being completely wireless
travon802 said:
So would you consider Qi chargers useless? This actually takes them a step further by being completely wireless
Click to expand...
Click to collapse
The things is, QI chargers efficiency is somewhere around 70%. That means that you will lose something like 30% of the energy, if you charge with QI. In this case (6000mAh battery) it means that you'd lose about 1800mAh from that battery as heat etc.
charger pack
. The first would be battery life with this pack, its amazing. I drove from Salt Lake City to Calgary, and played music on my phone the whole time. (synced with the car stereo via BT) when I arrived in Calgary the battery was at 6%
Is there a way to turn off the fast charging?
Just use a charger that doesn't provide quick charge.
XblackdemonX said:
Just use a charger that doesn't provide quick charge.
Click to expand...
Click to collapse
ok, so if I use a htc one m7 charger, does it works?
Why would you want to turn off the feature?
ipmanwck said:
Why would you want to turn off the feature?
Click to expand...
Click to collapse
To have more charge and discharge cycles, so as to have a battery that lasts for a longer time, in terms of age of the battery.
It would be nice an option to disable it, like in the SGS7. Especially for the people like me that charge the phone at night and doesn't need quick charge.
Enviado desde mi ZTE A2017G mediante Tapatalk
kutavyz said:
It would be nice an option to disable it, like in the SGS7. Especially for the people like me that charge the phone at night and doesn't need quick charge.
Enviado desde mi ZTE A2017G mediante Tapatalk
Click to expand...
Click to collapse
Why not just use a charger without quickcharge, e. g. 2A output or even 1A if you prefer? Very simple solution!
icaros1530 said:
Why not just use a charger without quickcharge, e. g. 2A output or even 1A if you prefer? Very simple solution!
Click to expand...
Click to collapse
This is what I'm doing now. I'm using my girlfriend charger, but my car charger is QC, and I don't always want to use it and I'm not want to have two chargers in the car...
Enviado desde mi ZTE A2017G mediante Tapatalk
kutavyz said:
This is what I'm doing now. I'm using my girlfriend charger, but my car charger is QC, and I don't always want to use it and I'm not want to have two chargers in the car...
Enviado desde mi ZTE A2017G mediante Tapatalk
Click to expand...
Click to collapse
Okay, that makes sense! We better get an option to turn it off then.
I noticed the Axon charging current drops off somewhere above 90-95% capacity. Using the app Ampere and with the Axon's included QC3.0 charger, the phone will charge at a current of ~3A when the battery is below ~80-90%, and then when the charge capacity is above that, the charge current drops to around 0.3A for a slower charge up to full capacity. The charge current may even drop lower but I haven't observed Ampere like a hawk when charging.
I'm curious what's causing that smart charge current drop: the phone or the in box QC3.0 charger. If it's the phone, then using an older charger with a max output of 2-2.5A may be ideal for battery longevity. If the Axon battery is truly 3250mAh, then with a preferred C-rate of say 0.7C (I've seen recommended C-rates from 0.5C to 0.8C), we get 2275mA as the ideal constant charge current. If the phone also drops the charge current of this older charger when capacity is nearing full then it would certainly be better than using the QC3.0 charger.
However, if all of this fluctuating charge current is controlled by the QC3.0 charger itself, then it might be the better charger option versus one with a lower rated current output. The OP on this thread should test both out with Ampere and share the results.
Some good reading:
What is C-rate?
How to prolong li-ion batteries
Bucatino said:
To have more charge and discharge cycles, so as to have a battery that lasts for a longer time, in terms of age of the battery.
Click to expand...
Click to collapse
Quick charge rates are designed around the capability of the battery. I have extensive experience with system design around rechargeable cells of all major chemistries, and the large batteries currently used in phones can be charged at much higher rates simply because there is more surface area (more mAh) that in older phones. Quick Charge will never charge at a rate unsafe for your battery. Your battery is more likely to fail from simply age or damage due to a drop as opposed to quick charging.
The bigger the battery, the higher the acceptable charging current. At over 3000 mAh, the Axon 7 battery can safely be charged at a very high current.
jswede said:
the large batteries currently used in phones can be charged at much higher rates simply because there is more surface area (more mAh) that in older phones. Quick Charge will never charge at a rate unsafe for your battery. Your battery is more likely to fail from simply age or damage due to a drop as opposed to quick charging.
The bigger the battery, the higher the acceptable charging current. At over 3000 mAh, the Axon 7 battery can safely be charged at a very high current.
Click to expand...
Click to collapse
Absolutely correct, like my previous post, but not an answer to the question asked. I agree that since the capacity is high at 3250mAh, a constant C-rate of 1.0C (up to 3250mA charge current) is safe. However the question is not about safety, but longevity of performance.
Lowering the charging C-rate to 0.5-0.8C could potentially mean the difference of good battery capacity performance for 1 year versus 1.5-2 years.
With Ampere I've observed the charge current on the Axon with QC3.0 charger as high as 3200mAh. At 1C, that's perfectly safe, but less than ideal for battery longevity. We're simply looking for an alternative at a lower C-rate of 0.5-0.8C.
jlomein said:
Absolutely correct, like my previous post, but not an answer to the question asked. I agree that since the capacity is high at 3250mAh, a constant C-rate of 1.0C (up to 3250mA charge current) is safe. However the question is not about safety, but longevity of performance.
Lowering the charging C-rate to 0.5-0.8C could potentially mean the difference of good battery capacity performance for 1 year versus 1.5-2 years.
With Ampere I've observed the charge current on the Axon with QC3.0 charger as high as 3200mAh. At 1C, that's perfectly safe, but less than ideal for battery longevity. We're simply looking for an alternative at a lower C-rate of 0.5-0.8C.
Click to expand...
Click to collapse
So, is better a 5V- 1A than the original QC of axon?
I charge it in the night when i sleep, and I don't need a quick charge during the day.
Bucatino said:
So, is better a 5V- 1A than the original QC of axon?
I charge it in the night when i sleep, and I don't need a quick charge during the day.
Click to expand...
Click to collapse
Explained In short and ELI5.
If you charge ~300( charge cycles) times with the QC3 you will lose ~10% battery capacity.
10% off 3250mah is 325mah.
So roughly (depending on usage) after a year you will lose 325mah from your battery.
If you charge slow it is prolonged.
celoxocis said:
Explained In short and ELI5.
If you charge ~300( charge cycles) times with the QC3 you will lose ~10% battery capacity.
10% off 3250mah is 325mah.
So roughly (depending on usage) after a year you will lose 325mah from your battery.
If you charge slow it is prolonged.
Click to expand...
Click to collapse
ok, I want to use this phone for 2/3 years =)
I just got myself a new V20 yesterday. I tried charging it with my own Quick Charge 3.0 wall charger but I'm not too sure about the charge time.
So I'm going to try again. But before I begin, I need some advice.
How do I check if it's really charging with Quick Charge 3.0? Also, the phone now is currently about 66%, how much more do I have to drain before I commence?
Sent from my LG-H990 using Tapatalk
As much as you want. Thing to remember...QC is variable rate, the more charged you are the less fast it is. Also, official posted charge times from OEMs refer to a phone powered off typically.
Right. Powered off. Good point.
And I supposed using an app like "Ampere" is not going to work because of QC3.0's variable voltage and amps, am I correct?
Sent from my LG-H990 using Tapatalk
Okay. Just did a little test.
Started at 5pm with 25% battery left and using my own QC3 wall charger.
Ended at 5.50pm with 91%.
That's pretty fast! And the best part, the battery stays cool despite Quick Charge.
I'm going to try charging from 0% tonight.
Edit - Oh and my phone was turned off while charging.
Sent from my LG-H990 using Tapatalk
BozQ said:
Okay. Just did a little test.
Started at 5pm with 25% battery left and using my own QC3 wall charger.
Ended at 5.50pm with 91%.
That's pretty fast! And the best part, the battery stays cool despite Quick Charge.
I'm going to try charging from 0% tonight.
Edit - Oh and my phone was turned off while charging.
Sent from my LG-H990 using Tapatalk
Click to expand...
Click to collapse
Just an FYI, it's not good to drain your battery to zero. It'll shorten it's life. Keeping it between 40-80% is optimal from what I've read.
Sent from my SM-T810 using Tapatalk
Ampere app on Play Store, check it's charge current values specially when screen is off. I think it should be like between 2400 mA to 3200 mA. When screen is on , the charge current values decreases. Also with the app, you can compare the current values of QC 2.0 versus QC 3.0. Cable should't be faulty.
Pick_A_Name said:
Just an FYI, it's not good to drain your battery to zero. It'll shorten it's life. Keeping it between 40-80% is optimal from what I've read.
Sent from my SM-T810 using Tapatalk
Click to expand...
Click to collapse
Thanks for your advice. I am aware of this. But I want to experiment just this one time. So it shouldn't hurt too much.
And the results are good! 30 minutes and it reaches 51%. 60 minutes with 89%. 70 minutes 95%. And 83 minutes to hit 100%.
Very pleased with the results.
Ali Mirza said:
Ampere app on Play Store, check it's charge current values specially when screen is off. I think it should be like between 2400 mA to 3200 mA. When screen is on , the charge current values decreases. Also with the app, you can compare the current values of QC 2.0 versus QC 3.0. Cable should't be faulty.
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Ampere might not be the best way to measure current values because of the way Quick Charge 3.0 charges with variable voltage.
The few times I measured all fall below 1000mAh.
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Will the Samsung charger for the note 7 quick charge the v20?
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jjr3211 said:
Will the Samsung charger for the note 7 quick charge the v20?
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Yes it does. I have been using it.
Great thank you
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Just not as fast because Samsung uses quick charge 2 and LG has version 3.
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So the LG charger is not Version 3?
Drey070 said:
So the LG charger is not Version 3?
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Doh.
Hey fellas, not to take over the subject matter but feel like you all know batteries well. What if a 1am charger is used overnight for charging. Going with the idea that a slower charge charges the battery better and maintains a better charge all day, or is that not the case. Also is any harm done with charging with a slower charger. Thanks
I never use quick charge at work or at home, slow charging will prolong the battery life. I always start to charge at about 8-15% where possible, and disconnect the charger around 90-95%, this is the proper way to prolong litium battery.
The only time I use QC is when i'm traveling.
---------- Post added at 03:01 PM ---------- Previous post was at 02:58 PM ----------
Beandip-Javier said:
Hey fellas, not to take over the subject matter but feel like you all know batteries well. What if a 1am charger is used overnight for charging. Going with the idea that a slower charge charges the battery better and maintains a better charge all day, or is that not the case. Also is any harm done with charging with a slower charger. Thanks
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I use my old samsung 2A charger, all my QC are still in the box, about 5 of them.:victory:
Thank you @kms108 , I use 1am charger for my overnight charging at home overnight. I tend to also stay away from fast charge but wasn't sure if I was doing more harm then good. I do have a quick charge at work that I use for about 10 min before I leave the office.
Beandip-Javier said:
Thank you @kms108 , I use 1am charger for my overnight charging at home overnight. I tend to also stay away from fast charge but wasn't sure if I was doing more harm then good. I do have a quick charge at work that I use for about 10 min before I leave the office.
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I have a samsung 2A and a SE 1.5A using them at work, they are not QC, but they do charge my phone pretty quick especially my xperia XP.
Beandip-Javier said:
Thank you @kms108 , I use 1am charger for my overnight charging at home overnight. I tend to also stay away from fast charge but wasn't sure if I was doing more harm then good. I do have a quick charge at work that I use for about 10 min before I leave the office.
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It is better to use a slower to prolong the longevity of the battery. You won't get more 'charge' from using a slower charge. I try to use slower chargers when I can. I usually use my Samsung 2A chargers and use my adaptive fast charging when I need quickness. The LG QC 3.0 does pretty well though. Battery doesn't get that hot but I'm quite sure it still isn't good for the longevity. Nonetheless, we have swappable batteries so I can use my AFC and LG QC 3 more often lime I do my note 4. My HTC m8 and moto x pure usually were used with 1A chargers most of the time unless I needed a super fast charge. Also, LG makes quality batteries. Probably why Samsung is switching to them until they figure out what the hell they did. Also, notice apple doesn't use quick charging technology. iPhone's battery tend to hold charges better until a out 18 Mo th period before user starts noticing appreciable decline. The peeps that put iPad chargers on iPhone's will see less longevity from their battery.
So I thought that QC3.0 was supposed to get you closer to 80% in 35 minutes, vs the 50-55 from qc2.0. So I also read that the factory charger that LG sent is a QC2.0 and not 3. So I bought a 3.0 brick and also a new usb c that is certified compliant with QC3.0. Still only got to about 40% in 30 minutes. Not sure what's going on with that. I understand longevity and all of that. However I got this phone because once my battery is shot I can just swap it. So I don't mind getting that faster time and buying a newer battery a bit early.
Best quick charge cable
Skripka said:
As much as you want. Thing to remember...QC is variable rate, the more charged you are the less fast it is. Also, official posted charge times from OEMs refer to a phone powered off typically.
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Any recommendations on the best usb c cable for my LG V20. Some I have purchased do not quick charge as described.