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How to increase fast charging time of Galaxy S6 ?

Hi every body, as you know, galaxy S6 has a feature called fast charging. But in fact, the fast charge ability stops at 60% battery, from 60-100%, it comes back to normal charging. Does any one know how to increase the percentage of battery charging in fast charge mode !?
Thank you !

You cant do that and you should not even want to,as it would damage and shorten the life of the battery.

the one factor impacts charging time (not only fast charging) is usage with mobile network. Try to enable airplane mode to decrease charging time.
Sent from my SM-G920F using Tapatalk

earthl said:
the one factor impacts charging time (not only fast charging) is usage with mobile network. Try to enable airplane mode to decrease charging time.
Sent from my SM-G920F using Tapatalk
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I mean to use fast charging upto 90% then normal charging for the rest. ... It'll be very fast ...

You can't... the more the battery charges the more resistance it develops the slower it is going to complete charging..

Ahmed Al Wakeel said:
You can't... the more the battery charges the more resistance it develops the slower it is going to complete charging..
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Click to collapse
Thank you !. The most appropriate answer I ever heard

Thats right.. all things have limitations

Well, if you really want a shorter charging time, why don't you turn the device OFF while charging ?
This should take at least another 10mins off the total charging time...

The phone already charges from 0 to 90% in 1 hour..

Ahmed Al Wakeel said:
You can't... the more the battery charges the more resistance it develops the slower it is going to complete charging..
Click to expand...
Click to collapse
Stock fast charging will create resistance?
Sent from my SM-G928C using Tapatalk

Wait for OPPO to release their new fast charging system, 0-100% in 15 minutes apparently. Blowing all these theories out of the water. I think batteries are a lot more resilient than people give them credit for.

thahim said:
Stock fast charging will create resistance?
Sent from my SM-G928C using Tapatalk
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Click to collapse
Yep... laws of physics... the more salt in water... the harder it is to dissolve more salt... according to current technologies

Ahmed Al Wakeel said:
Yep... laws of physics... the more salt in water... the harder it is to dissolve more salt... according to current technologies
Click to expand...
Click to collapse
Is there any harm when fast charging?
Sent from my SM-G928C using Tapatalk

Xiaomi power bank 16,000

Will it work with the nexus 6p usb c fast charging?
I have now LG G4 and it takes me 2.5 hours

got a link to the one you're talking about?

senectus said:
got a link to the one you're talking about?
Click to expand...
Click to collapse
http://m.gearbest.com/mobile-power-bank/pp_144271.html
This one mate
Now i saw that one - http://m.gearbest.com/power-banks/pp_343014.html
So I'm guessing it won't support..

ben33891471 said:
Will it work with the nexus 6p usb c fast charging?
I have now LG G4 and it takes me 2.5 hours
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Click to collapse
I've got it since 1 year, it does not fat charge the device, but it is not slow, the usb exit is at 2.1A

noooooo said:
I've got it since 1 year, it does not fat charge the device, but it is not slow, the usb exit is at 2.1A
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Click to collapse
The 16,000 mah right?
So how much time untill the phone is charged lets say for 0 to 100?
If at normal speed, fast charging takes around 90 minutes.

Yep.. Never charghed form 0-100 because i usually charge it when at 25%... from that value to 100 is something around 1h30

noooooo said:
Yep.. Never charghed form 0-100 because i usually charge it when at 25%... from that value to 100 is something around 1h30
Click to expand...
Click to collapse
So it's somewhere around 2 hours for full charge.
But at least i know it'll work. Thanks!
Do you think it's worth the money to buy the new power bank 10,000 with the support of fast charging?

ben33891471 said:
So it's somewhere around 2 hours for full charge.
But at least i know it'll work. Thanks!
Do you think it's worth the money to buy the new power bank 10,000 with the support of fast charging?
Click to expand...
Click to collapse
Thanks button is here in order to avoid thanking people by post, anyway, i will stay for sure with the 16A version, if you have to buy it just think if you need a smaller and faster thing or you just need something powerful for probably one-two more day autonomy. Consider that the 16A is not light at all, feels light a brick in hand

battery 3800 not 4000?!

There is one application that estimates you battery health and size after a charging session, it keeps telling me that my phone is 3799 aka 3800 not 4000, can any of double-check? It's called accubattery on the playstore.. Is there any other app that can do that so I can recheck

I guess some models were released with lower capacity batteries which means you're doomed.

blackspp said:
I guess some models were released with lower capacity batteries which means you're doomed.
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It says 4000 on the box, im just worried it's a bad battery

You're probably fine, have you tried another app to check? I'm using aida64 and it reports 3900 mAh

Batteries are not a precisely defined size. It's not like they are machined out of some material to an exact size. They are a bunch of messy chemicals and there will always be some variation in capacity.
It's up to the manufacturer's honesty whether they specify the minimum or average or maximum capacity.

blackspp said:
You're probably fine, have you tried another app to check? I'm using aida64 and it reports 3900 mAh
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Click to collapse
I tried Aida, it gives me 3900 too, but the app im talking about measures it after a charge

RR-99 said:
Batteries are not a precisely defined size. It's not like they are machined out of some material to an exact size. They are a bunch of messy chemicals and there will always be some variation in capacity.
It's up to the manufacturer's honesty whether they specify the minimum or average or maximum capacity.
Click to expand...
Click to collapse
Maybe yeah, but 200 mah is too much, when my s7 edge was 3680, even more than advertised

So you guys don't think it's a defect or something? Worth checking out?

I doubt it's accurate. On my current phone which is over three years old it says the capacity is still 3000 mah like the day I bought it. That would be an incredible feat but very doubtful.

Your battery is fine, don't worry about it.
If it shows 3400 mAh in a few months, well...

Thank you guys, I'll keep it and keep checking every month, if its getting worse then I can always check with my warranty provider

Ashk91 said:
There is one application that estimates you battery health and size after a charging session, it keeps telling me that my phone is 3799 aka 3800 not 4000, can any of double-check? It's called accubattery on the playstore.. Is there any other app that can do that so I can recheck
Click to expand...
Click to collapse
Same here. At the moment accubattery is reading my battery at 3741mah 94% life.

Ashk91 said:
There is one application that estimates you battery health and size after a charging session, it keeps telling me that my phone is 3799 aka 3800 not 4000, can any of double-check? It's called accubattery on the playstore.. Is there any other app that can do that so I can recheck
Click to expand...
Click to collapse
I use the same app for all my Android devices (I set a charging limit alarm to 80%). In the first couple of days I had my Mate 9 Accubattery was reporting 3920 mAh. I uninstalled and reinstalled it thinking there was something wrong. Then the next time I installed it it was reporting lower capacity of 38xx mAh. So I just ignored it and let it run. A few more days go by i randomly checked it and now its showing 4002 mAh 100% health. So I think it has a break in or calibration period for it to properly detect the actual size of the battery
---------- Post added at 09:23 PM ---------- Previous post was at 09:19 PM ----------
Trixanity said:
I doubt it's accurate. On my current phone which is over three years old it says the capacity is still 3000 mah like the day I bought it. That would be an incredible feat but very doubtful.
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Click to collapse
There is a reason for that and the explanation can be found in the app itself. Some manufacturers report a lower size battery than the actual battery size. Therefore you see the health is still at 100% although it already has degraded.

My battery shows 3850 and 100% life battery since the first day I got the phone. It last 2.5 days with medium/high usage. it took me a while to optimize all the apps I have installed in the phone tho.

in my understanding the number that gets reported to the app isnt the real capacity but the capacity keyed in to the Kernal file. Nothing to worry about guys.

Mine is still only takes around 3750mah worth of charge using Accubattery.

I remember some blurb that battery manufacturers have some %10 or so leeway in what the battery actually delivers versus what's written on it.. I wouldn't worry about it; what's 200 mAH between friends?

I did speak with the Huawei support center regarding my battery only taking around 3700mah charge and they informed me that it's normal and it's for backup.
That does not make a lot of sense but I do understand there are manufacturing tolerances. The battery in the mate 9 is rated for 3900mah with a typical capacity of 4000mah. So going from 3900 to 3722 on my last benchmark charge isn't to bad.

Mi4c Real Capacity of the Battery

Hi to all,
I just wanted to make a debate about the real capacity of our phones batteries.
That's because I found an app that allows us to measure the real capacity and I found a quite astonishing result: it seems like my battery has the same behaviour as a 2200mAh ones!
In fact, with all connection active (Bluetooth, Wifi, LTE, synchronization..) I barely reach 3h of SOT daily.
I used 3C toolbox (https://play.google.com/store/apps/details?id=ccc71.at.free) using the instructions in this answer (https://android.stackexchange.com/q...ity-of-a-battery-in-mah-received-fake-battery in "How to measure actual capacity using 3C Toolbox").
Also if you can advise different apps and methods to do this, I would be very happy.
Thanks to all!

The real battery capacity is the advertised one. 3000-3080mAh.
Xiaomi uses lower binned batteries which degrade a bit faster over time. An app can't measure the real battery capacity or estimate it accurately. The SOC we have is power hungry and inefficient, that's why it's so hot too.

I think it's 1500 mah or something like that. I get only 2 or 2.5 hours screen on time. The results has been never changed which i've tried several roms.

Cozzmy13 said:
The real battery capacity is the advertised one. 3000-3080mAh.
Xiaomi uses lower binned batteries which degrade a bit faster over time. An app can't measure the real battery capacity or estimate it accurately. The SOC we have is power hungry and inefficient, that's why it's so hot too.
Click to expand...
Click to collapse
Well, the app don't measure the battery capacity, but how much current flows in when it's charging.
So you're saying that the main problem is the age of the battery..
Do you think that changing battery may improve the result?

3h sot is normal, when used from morning till evening. When used continually, I get 5-6h sot. An app cannot accurately measure battery capacity. This phone, like many others, is built to last a day with moderate usage...

Brunnys said:
Hi to all, I just wanted to make a debate about the real capacity of our phones batteries.
...
Also if you can advise different apps and methods to do this, I would be very happy. Thanks to all!
Click to expand...
Click to collapse
Hello, this is a very interesting topic, so I decided to check the real capacity of my Mi4c's battery with one of these. When the phone turned off at 0% I recharged it to 100%, while still off, with the following result: 1.76Ah @ 8.8V as I was using a QC2 charger. Let's translate it to the battery's 3.8V assuming 80% charging circuit conversion efficiency:
Code:
((8.8 * 1.76) / 3.8) * 0.8 = 3.2Ah
My battery is 6 months old and seems to be slightly better than specified.
If you use a 5V non-QC charger try one of these to measure it and assume higher 90% efficiency. Android battery apps are useless, please check it out with a hardware meter...
:highfive:

I'm already running third battery with my mi4c, all three tested with a similar hardware meter:
1. original battery, but already with signs of being worn out (shutdowns, sudden voltage drops) ~12Wh, not tested as being new
2. aliexpress replacement (getting worn out after 3months of use) ~13Wh
3. some battery I've got at local online shop that seller claims to be original (not 100% sure, but dimensions and weight match the original one) - sligthly over 14Wh
4. -another mi4c, as it was brand new- just over 14Wh from empty to max; surely the battery is in good condition as the one can reach 6h SoT
and I've tried different chargers (QC,non-QC) and no go - no way to see 15Wh or more being transmitted in one charge on both mi4c's I've got at home

Find out about battery behaviour of Nexus 5x, as its specs are very similar to mi4c's and compare battery capacity and standby/sot

andrei80 said:
Find out about battery behaviour of Nexus 5x, as its specs are very similar to mi4c's and compare battery capacity and standby/sot
Click to expand...
Click to collapse
And our battery behavior is a lot better.

Should I consider the values from /sys/class/power_supply/bms/ valid?
charge_full = 1983000
charge_full_design = 3071000
Does that mean that my battery capacity is now only ~2000 mAh?
EDIT:
charge_now_raw reports 2952776 when my battery level is 98%. So something is definitely wrong there.
Writing more stats for comparison:
cycle_count: 20430
resistance: 279541
esr_count: 63
voltage_now: 4223995
voltage_ocv: 4323094
capacity_raw: 9495

adamuadamu said:
...and I've tried different chargers (QC,non-QC) and no go - no way to see 15Wh or more being transmitted in one charge on both mi4c's I've got at home
Click to expand...
Click to collapse
Your results are fine but you're not accounting for the efficiency of charging which also decreases with higher...
charger's voltage
meter's internal resistance
connecting cable and contacts resistance
My 15.7Wh on the meter is actually around 15.7*0.8=12.5Wh on the battery.
Ydraulikos said:
Should I consider the values from /sys/class/power_supply/bms/ valid?
Click to expand...
Click to collapse
Some of them are definitively valid, others depend on type/firmware version of the control chip integrated in your battery. Here are mine:
Code:
POWER_SUPPLY_NAME=bms
POWER_SUPPLY_CAPACITY=51
POWER_SUPPLY_CAPACITY_RAW=5143
POWER_SUPPLY_CURRENT_NOW=432278
POWER_SUPPLY_VOLTAGE_NOW=3837410
POWER_SUPPLY_VOLTAGE_OCV=3874031
POWER_SUPPLY_VOLTAGE_MAX_DESIGN=4400000
POWER_SUPPLY_CHARGE_NOW=0
POWER_SUPPLY_CHARGE_NOW_RAW=1481002
POWER_SUPPLY_CHARGE_NOW_ERROR=98504
POWER_SUPPLY_CHARGE_FULL=3101000
POWER_SUPPLY_CHARGE_FULL_DESIGN=3071000
POWER_SUPPLY_TEMP=285
POWER_SUPPLY_TEMP_COOL=0
POWER_SUPPLY_TEMP_WARM=450
POWER_SUPPLY_RESISTANCE=110778
POWER_SUPPLY_RESISTANCE_ID=50306
POWER_SUPPLY_BATTERY_TYPE=x11_atl
POWER_SUPPLY_UPDATE_NOW=0
POWER_SUPPLY_ESR_COUNT=64
POWER_SUPPLY_VOLTAGE_MIN=1
POWER_SUPPLY_CYCLE_COUNT=0
It was measured with the power gauge at around 55%. My CYCLE_COUNT is surely higher than 0 after 6 months of use, and your CYCLE_COUNT=20430 is simply impossible
I'd more believe your charge_now_raw = 2952776 than charge_full = 1983000.
Incidentally, the simplest way to get these stats is from TWRP in ADB:
Code:
adb shell cat /sys/class/power_supply/bms/* > bms.txt

Hey guys, long time no see
I did not see the thread, but i went on with my speculations on the same matter.
I bought this from amazon https://www.amazon.it/gp/product/B00NPVZHAO/ because i wanted to test my day-one mi4c battery.
It has roughly one year and a half.
Well...from 0 to 100% it gets a whopping 1617 mAh (see the attachment).
I was disappointed, but hey, maybe i had a degraded battery to start with, and since i never measured before i went on to buy a new original one.
Well, yesterday it arrived. changed it, discharged to 0%, charged to 100%.
Okay, it's only the first cycle, but...
1800 mAh
I guess advertised capacity is a long way from the real one?
After all, if this is correct my old battery degraded by 10% in 18 months...and that's realistic.
Please tell me i'm wrong.

I bought it for this job and I wait. But unfortunately there is not much hope

Nexus 5x has very similar specs and very similar SOT. Also, the original qc charger is supposed to charge using 5v,9v and 12v, not only 5v. What does that say about your research? Either both manufacturers lie, or you're doing something wrong.
I get anywhere from typical 3h(usage from morning till night) to 6h(continuous movie watching using streaming). For the record...

andrei80 said:
Nexus 5x has very similar specs and very similar SOT. Also, the original qc charger is supposed to charge using 5v,9v and 12v, not only 5v. What does that say about your research? Either both manufacturers lie, or you're doing something wrong.
I get anywhere from typical 3h(usage from morning till night) to 6h(continuous movie watching using streaming). For the record...
Click to expand...
Click to collapse
I took the photo with the phone disconnected, but i remember that during charging it's at steady 8.91 v and 1.02 A
I'll take new pics after some charge cycles with the new battery and post the results.

alterbang said:
Well...from 0 to 100% it gets a whopping 1617 mAh (see the attachment).
I was disappointed...
I guess advertised capacity is a long way from the real one?
Please tell me i'm wrong.
Click to expand...
Click to collapse
Yes, please read my earlier post in this thread.
alterbang said:
I took the photo with the phone disconnected, but i remember that during charging it's at steady 8.91 v and 1.02 A
Click to expand...
Click to collapse
Code:
((8.91 * 1.617) / 3.8) * 0.8 = 3.03Ah
Which is exactly as advertised by the manufacturer.
No need to change batteries, your SOT is low because of the awful apps you use. For example, did you know that "uninstalling Facebook app saves up to 20% of Android battery life"? You can still use FB and its notifications without the app - read the article.

k23m said:
Code:
((8.91 * 1.617) / 3.8) * 0.8 = 3.03Ah
Which is exactly as advertised by the manufacturer.
Click to expand...
Click to collapse
Thanks @k23m, i felt like a student again but after reviewing your formula you are right.
I though the tool's mAh measurement were already adjusted for the battery's voltage, but as you showed we still need to do some math.
I guess that i didn't need a new battery after all, but now that i have one it's certainly better!
I don't have issues with SoT, i do 5-6h on TS CM13 (i stay on marshmallow for xposed) but i just wanted to test battery degradation.
I will still post new battery results after a few cycles.

alterbang said:
Hey guys, long time no see
I did not see the thread, but i went on with my speculations on the same matter.
I bought this from amazon https://www.amazon.it/gp/product/B00NPVZHAO/ because i wanted to test my day-one mi4c battery.
It has roughly one year and a half.
Well...from 0 to 100% it gets a whopping 1617 mAh (see the attachment).
I was disappointed, but hey, maybe i had a degraded battery to start with, and since i never measured before i went on to buy a new original one.
Well, yesterday it arrived. changed it, discharged to 0%, charged to 100%.
Okay, it's only the first cycle, but...
1800 mAh
I guess advertised capacity is a long way from the real one?
After all, if this is correct my old battery degraded by 10% in 18 months...and that's realistic.
Please tell me i'm wrong.
Click to expand...
Click to collapse
Where did you get the original battery? There are always fake on the internet.

mendocino_610 said:
Where did you get the original battery? There are always fake on the internet.
Click to expand...
Click to collapse
ebay battery seller with 20k feedback 99%+ positive.

I never saw the oem parts of xiaomi on the internet but I dont know i hope this original.

Slow battery charging

So, my problem is that remaining 10% battery is charging very slow. Is it normal? When charging first 90% Ampere says around 2000mA and it's very quick. After 90% it's slowly decreasing, 92% now and 230 mA, couple days ago it was 80 mA when 96%.

Asmod96 said:
So, my problem is that remaining 10% battery is charging very slow. Is it normal? When charging first 90% Ampere says around 2000mA and it's very quick. After 90% it's slowly decreasing, 92% now and 230 mA, couple days ago it was 80 mA when 96%.
Click to expand...
Click to collapse
I believe it's a safety feature to keep the battery healthy

pijes said:
I believe it's a safety feature to keep the battery healthy
Click to expand...
Click to collapse
Yes, for the last 10% or so the phone trickle charges which is basically like putting on the brakes to make sure the battery gets to 100% as efficiently as possible.

are you on custom ROM?

It is normal with any phone, I don't know why but, it is the case with any phone

This page might help u understand why it slows down:
https://goo.gl/ZLnygR
Sent from my Honor 8 using XDA Labs

ayush rao said:
This page might help u understand why it slows down:
https://goo.gl/ZLnygR
Click to expand...
Click to collapse
Ahh, I didn't think it would be due to chemical reactions.
Sweet

venugopalu007 said:
are you on custom ROM?
Click to expand...
Click to collapse
Nope, stock ROM
ayush rao said:
This page might help u understand why it slows down:
https://goo.gl/ZLnygR
Sent from my Honor 8 using XDA Labs
Click to expand...
Click to collapse
Oh, so it's normal... thanks!

Asmod96 said:
Oh, so it's normal... thanks!
Click to expand...
Click to collapse
Yep, it is normal