false low battery issues - Galaxy S 4 Q&A, Help & Troubleshooting

Hi,
I have the galaxy s4 for almost 2months and now it has an annoying bug -
I have more than 50% battery and sometimes it get stucked (freezed) and restart itself, and he is failing to reboot until I plug him to the charger.
When he boots up it says that it has 0% battery, even though it had more than a half before it happened
What should I do?

Dead battery?
Sent from my GT-I9505 using XDA Premium 4 mobile app

TheNewLegend said:
Hi,
I have the galaxy s4 for almost 2months and now it has an annoying bug -
I have more than 50% battery and sometimes it get stucked (freezed) and restart itself, and he is failing to reboot until I plug him to the charger.
When he boots up it says that it has 0% battery, even though it had more than a half before it happened
What should I do?
Click to expand...
Click to collapse
i had same problem. your battery is dead. buy a new stock battery and solve this problem

P_A said:
i had same problem. your battery is dead. buy a new stock battery and solve this problem
Click to expand...
Click to collapse
oh, I didnt think it would die so early.. shame on you samsung
can anyone suggest me from where should I buy a genuine battery? most ones at ebay are fake

Me2
Battery Is fully charged. As soos as I unplugged it. The warning appeared. Battery Critically low. Wtf. Phone is less than 2months old.
This only happened twice. Then I let the battery drain completely and recharged it completely. Now it seems fine.
Samsung.....no words.... :thumbdown: :banghead:

I had a friend who had the same issue, recovery showed a correct value.
Anyway, I took off the back cover and the battery was swolen, he got it replaced under his carrier's warranty the next day.
Sent from my GT-I9500 using xda app-developers app

TheNewLegend said:
Hi,
I have the galaxy s4 for almost 2months and now it has an annoying bug -
I have more than 50% battery and sometimes it get stucked (freezed) and restart itself, and he is failing to reboot until I plug him to the charger.
When he boots up it says that it has 0% battery, even though it had more than a half before it happened
What should I do?
Click to expand...
Click to collapse
To recalibrate the battery go to the dial pad, and input x#0228# and a battery status screen will pop up, giving you some information about your battery and such, tap the Quick start, the screen should go off, then come back on might have to wait few secs. and you will notice your battery % might of changed. try doing it a few time until the % stops changing and give you a "real" battery %, then fully charge the battery. should fix any glitches with the battery being read incorrectly. if it doesn't work might mean your battery had it!
From my experience my battery was on 60% after few hours of use, then I recalibrated it and it went down to 20%, fully charged it now my battery lasting a lot longer than before

At least do a battery pull. Don't bother with apps and scripts that wipe battery stats. Do a pull, inspect for leakage, swollen , or damaged areas.
Sent from my GT-I9505G using Tapatalk 4

Thank you guys,
the battery looks like a new one, I cant see any damage on it
kossiewossie said:
To recalibrate the battery go to the dial pad, and input x#0228# and a battery status screen will pop up, giving you some information about your battery and such, tap the Quick start, the screen should go off, then come back on might have to wait few secs. and you will notice your battery % might of changed. try doing it a few time until the % stops changing and give you a "real" battery %, then fully charge the battery. should fix any glitches with the battery being read incorrectly. if it doesn't work might mean your battery had it!
From my experience my battery was on 60% after few hours of use, then I recalibrated it and it went down to 20%, fully charged it now my battery lasting a lot longer than before
Click to expand...
Click to collapse
How can I input the x letter at the dial pad?

TheNewLegend said:
Thank you guys,
the battery looks like a new one, I cant see any damage on it
How can I input the x letter at the dial pad?
Click to expand...
Click to collapse
my bad, was *#0228#. Late night!

Related

Atrix not charging past 88%

As of Saturday evening, my phone will no longer charge past 88%. Earlier on Saturday, the phone was charged to 100% in my car. We lost power and the phone ran down to 3% before I was able to charge it again.
After charging over 8 hours, the phone would not go past 88%. Any ideas?
MacAlert said:
As of Saturday evening, my phone will no longer charge past 88%. Earlier on Saturday, the phone was charged to 100% in my car. We lost power and the phone ran down to 3% before I was able to charge it again.
After charging over 8 hours, the phone would not go past 88%. Any ideas?
Click to expand...
Click to collapse
Have you tried to recalibrate the battery? Try this.
http://forum.xda-developers.com/showthread.php?p=16240746
Sent from my Atrix XDA Premium App
Voelker45 said:
Have you tried to recalibrate the battery? Try this.
http://forum.xda-developers.com/showthread.php?p=16240746
Sent from my Atrix XDA Premium App
Click to expand...
Click to collapse
I have not tried that. Weird thing is, the battery calibration app reads 4196mV at 70% while charging and ~4200 while at 88%.
Just go to CWM recovery and wipe battery stats. Do a few charge recharge cycle. It should be OK.
Sent from my MB860 using Tapatalk
anupash said:
Just go to CWM recovery and wipe battery stats. Do a few charge recharge cycle. It should be OK.
Sent from my MB860 using Tapatalk
Click to expand...
Click to collapse
Yup wiping the battery stats in cwm will do the trick
Sent from my MB860 using xda premium
Charge to 88% or until you notice it not going any further. Turn off the phone. Plug in the charger and wait until the battery display shows. While the phone is still plugged in, remove the battery. Wait for it to boot up and show a no battery icon (or something like that). Once it does, put the battery back in and leave it for about 30 mins. When you hit the volume buttons, the display will show between 5-10% charged. Anyway, after about 30 mins, turn the phone one and it should show 100%. Re-calibrate the battery after that using the app or recovery.
Are all android batteries like this? I've never had a device with such finicky battery stats. I too have the 88% problem and i feel like im recalibrating every week. I will try again.
s1mpd1ddy said:
Are all android batteries like this? I've never had a device with such finicky battery stats. I too have the 88% problem and i feel like im recalibrating every week. I will try again.
Click to expand...
Click to collapse
I don't think they're all like this..but I know its as annoying as F***. Every morning almost i'm doing the "battery pop out" trick just so that it'll read full. It would be different if it read 95% or something and stuck there for awhile until the battery caught up to the actual reading..but it doesn't. The battery continues to drain at a normal rate, so you basically lose however many % you had initially.
Definately annoying..
Rickroller said:
I don't think they're all like this..but I know its as annoying as F***. Every morning almost i'm doing the "battery pop out" trick just so that it'll read full. It would be different if it read 95% or something and stuck there for awhile until the battery caught up to the actual reading..but it doesn't. The battery continues to drain at a normal rate, so you basically lose however many % you had initially.
Definately annoying..
Click to expand...
Click to collapse
so you're having to do the pop-out trick every day? that's definitely not something you should have to do....... what gives with our battery?
Mine did this before and what I did was run it all the way to 0% and it cuts of and will not start, then charge it to 100% with the power off and and then boot it up. Work like a charm for me.
lilhaiti said:
Mine did this before and what I did was run it all the way to 0% and it cuts of and will not start, then charge it to 100% with the power off and and then boot it up. Work like a charm for me.
Click to expand...
Click to collapse
Same, friends atrix wouldn't get past 86%, calibration app didn't work and neither did wiping bat stats. Draining however did fix but damn was it slow. 6+ hours to reach 100%
Sent from my GT-I9100 using xda premium
ChongoDroid said:
Same, friends atrix wouldn't get past 86%, calibration app didn't work and neither did wiping bat stats. Draining however did fix but damn was it slow. 6+ hours to reach 100%
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
do you have the same battery issues on your galaxy?
So I've been sitting at 1% for the past hour. Been playing games, have wifi, bluetooth, GPS all turned on.
Thing will just not turn off!
EDIT: Right as soon as I post this, it turns off. Over 1 hour on 1%.
Will recharge tonight and hopefully it works right.
I had this problem for a while but you should know that it will fix itself eventually. The phone is fully capable of re-learning the limits of the battery and after several days will begin to display the correct charging status. Mine took about a week to start displaying 99% in the morning.
This happened after I did the complete discharge, charge, pull battery, charge again, then boot procedure. It was fine for a couple of days then started displaying 82% as a full charge then slowly got better. I'm fairly confident that I'm not leaving anything on the table in terms of capacity either since with moderate use and turning off wifi when I leave the house I'm getting about two days of charge.
Sounds like a jumping battery problem to me.
1. Click on this link: http://forum.xda-developers.com/showthread.php?t=1174349&highlight=battery+fix
2. Download juggernault's jumping battery fix.
3. Follow the instructions there
4. if it solves your problem, thank the dude for his contribution to the Atrix community and also leave him a comment to thank him.
heres what you need to do
http://www.youtube.com/watch?v=g2ehvLLmEIg
Already have juggernaults battery fix applied. Thinking this is just some freak occurrence.
EDIT: Drained the battery at work. Charged since 6:30 while powered off and phone charged past 88%. All is well in Atrixland!
MacAlert said:
Already have juggernaults battery fix applied. Thinking this is just some freak occurrence.
EDIT: Drained the battery at work. Charged since 6:30 while powered off and phone charged past 88%. All is well in Atrixland!
Click to expand...
Click to collapse
Not a freak occurrence. Happens to me too all the time.. makes me not wanna flash anything . I jump charged my phone to 100 today. Did battery pull, wiped stats and calibrated
Sent from my CM7 Atrix
s1mpd1ddy said:
do you have the same battery issues on your galaxy?
Click to expand...
Click to collapse
No none, I had battery drain but it was kernel related. I get a days worth of heavy usage out of mine now.
Sent from my GT-I9100 using xda premium
Figured I'd follow up. After doing all this ... first recharge went to 98. Second recharge overnight.. 85 Max. WTF
Sent from my CM7 Atrix

[Q] Strange battery issues

I have CM7.1 on my MT4G. Over the past week or so, my battery has been dying after 2-3 minutes of use. I'll get a full charge, take it off the charger, use any app(Angry Birds, Gtalk, text messaging...) and the phone will shut itself off after just a couple minutes of use. When I turn it back on, it says 2%-3%. It then shuts itself off again, I plug it in and turn it on...says anything from 3% to 90%.
I've always ran the battery down and charged to full. Is my battery kaput? Is there a way to fix this?
deadlittlepuppy said:
I have CM7.1 on my MT4G. Over the past week or so, my battery has been dying after 2-3 minutes of use. I'll get a full charge, take it off the charger, use any app(Angry Birds, Gtalk, text messaging...) and the phone will shut itself off after just a couple minutes of use. When I turn it back on, it says 2%-3%. It then shuts itself off again, I plug it in and turn it on...says anything from 3% to 90%.
I've always ran the battery down and charged to full. Is my battery kaput? Is there a way to fix this?
Click to expand...
Click to collapse
Most likely.. take out the battery and inspect for leaks(might be very small discharge you might not see it clearly leak can and will damage your phone)..let it die completely, and let it stay off, charge it till the green light comes on, reboot into recovery, clear battery stats, reboot and see how long it last, also change your brightness, and other settings that might be consuming battery use..if none of these helps.. just buy another battery.
Sounds like your battery is screwed. Just buy a oem battery or get a mugen power 1650mAh
Sent from my HTC Glacier using XDA App
My issues aren't quite that bad, but after I upgraded to CM7.1 from 7.0, by battery has been terrible. 15-20m of phone calls over BT takes ~20% of the battery. 15m on Angry Birds chewed up ~40% of the battery. I downloaded the latest nightly (252) and will see what happens.
Try a dif battery and see if it does the same thing. So you can rule things out
Sent from my HTC Glacier using Tapatalk
Mines also been horrible since I went from CM 7.0 to CM 7.1. Not sure whats up but it dies in like 6 hours on standby. the battery use app shows that most of the battery usage is by "Cell Standby". So effectively, doing 'nothing' is eating up the battery?
~Phil
I guess I'm not having the problem you guys are having with battery drain. Granted I didnt use my phone that heavily, but still sitting at 60% after 10 hours. But if your battery is dead after 3 minutes something is seriously wrong, I agree and try a new battery.
Sent from my HTC Glacier using xda premium
pompeiisneaks said:
Mines also been horrible since I went from CM 7.0 to CM 7.1. Not sure whats up but it dies in like 6 hours on standby. the battery use app shows that most of the battery usage is by "Cell Standby". So effectively, doing 'nothing' is eating up the battery?
~Phil
Click to expand...
Click to collapse
You need to calibrate the battery after changing ROM's. Download a battery calibrator from the market. (Don't pay for one. There are like 10 free ones)
Charge the phone fully overnight. Calibrate it in the morning.
Give it a few days to gather new battery data, and then enjoy getting a full day's use from the phone.
Update
So, it's gonna have to be the battery. Recalibrated, no good. Tried a few different ROMs from CM7 nightlies to MIUI, no good.
Waiting for the new battery to get here to be sure.
Thanks for all of the help and advice!
same problem here
hello there, i got 2 mytouch 4g both running the same rom (virtuous unity 2.39) one of them has eaten 2 batteries that i bought thinking that the batteries were somehow broken or damaged... i came across this thread, read the reply recomending battery calibrator when i reached for my phone (that i left sitting on my drawer waiting for a new batt AGAIN) to give it a try and to my surprise it was still on and i has been on for 2 days 11hours and the fricking battery was at 97% before that it started to turn off-discharge so i put the thing on airplane mode and there it was till now... dunno why or what but i think it has something to do with the radio/network... hope we find a cure for this
I've been having this same issue, and I was wondering if replacing the battery fixed the issue? Thanks.

Battery issue?

Just purchased myself a second hand S4 and it is a very good device, however whenever I charge to 100% once I take off the charger it goes to 99% within a few seconds and I do not have the data on or using any application. Is it normal or is it time to purchase a new battery?
I heard that turning off features like airview and airgesture can save some juice and also prevent the phone from heating.
Sent from my Sparkle V using Tapatalk
How is the battery life in general?
Arshid Vinod said:
I heard that turning off features like airview and airgesture can save some juice and also prevent the phone from heating.
Sent from my Sparkle V using Tapatalk
Click to expand...
Click to collapse
thanks will try it out
drronnie said:
thanks will try it out
Click to expand...
Click to collapse
You're welcome.
Sent from my Sparkle V using Tapatalk
GDReaper said:
How is the battery life in general?
Click to expand...
Click to collapse
When I turn on the data I lose 1% for every one or two minutes. At night when I sleep the phone loses only 5 to 6 % within eight hours. Seems acceptable to me
As long as you're happy with it, it should be ok. If not, change the battery. But it's not always the battery. Sometimes it's the ROM or kernel or other things.
Just got myself an S4 again, the first few days, it was getting very hot and seemed laggy, the battery was draining from 100% to 50% in about 1.5 hours of hardly any use, but it was charging extremely quickly or so its seemed, this one is running official 5.0.1.
So I took the battery out and it was excessively hot and i noticed it had a slight bulge in the centre, did the spin test on a flat surface and it span like a spinning top.
So bought myself another Samsung battery, now over the last few days the phone has hardly heated up and seems to be running so much smoother, battery is very stable in standby mode, still drains quite fast, but no where near as fast as on the old battery, may take a few more days to settle in i guess.
Is it true that one should not only change get the battery when less than 40% or else it will have a bad effect on the battery. I usually keep it on the charger most of the time.
Sent from my GT-I9500 using XDA Forums
Not sure about current cell phone batteries but my laptop battery died after running pretty much 24/7 on AC power. 1 year later it was so dead it didn't have juice to boot into desktop when not on AC - died just after passing bios tests.
I would say memory effect after not full charge is less severe than killing it completely by keeping it on wall socket most of the time
Sent from my GT-I9505 using XDA Free mobile app
You'd think that laptops would have some sort of charge limiters, by now, that prevents the battery from overcharging.
For stock ROM after charging the phone to 100% .. please don't unplug ..tickle charge still happens .. turn off the screen and wait till LED notification light turns green from red.. only then unplug the charger ..

Battery gauge problem

Guys last 1-2 week i started having battery problems. My phone dies when 10% battery left and when it has full battery it shows 89-95 etc i tried everything but nothing fixed the problem. Tried *#0228# code and didnt help and its not rooted so i cant use calibration apps. Only pulling the battery out solves it but after 1 usage it happens again. And its weird my 2 other note 4 user friend also started having this problem in same time any1 else has this problem or any1 knows how to fix it properly?
Sounds like a dead battery to me.
If the phone shutdown at 10%, it's probably because the voltage delivered by the battery is too low.
But the fact that your friends have the same problem is pretty strange. An app maybe ?
alex9898 said:
Sounds like a dead battery to me.
If the phone shutdown at 10%, it's probably because the voltage delivered by the battery is too low.
But the fact that your friends have the same problem is pretty strange. An app maybe ?
Click to expand...
Click to collapse
Dont think its an app and dead battery. Btw it doesnt only die at 10% sometimes 5% sometimes 7% its random. I think its just wrong calibration but it happens usually. Maybe fast charge effects battery dunno but its very annoying.
Defect charger that you both share? That ofc killed your batteries
Braxos said:
Defect charger that you both share? That ofc killed your batteries
Click to expand...
Click to collapse
Every1 uses their own charger. And im pretty sure my battery isnt dead i can still get 6 hours sot easyly.
im having the same problem.. it dies on me at 10%... last time on 20% cause i was like skypeing on 3g network for the last hour or so.. i got the phone SH so.. maybe replacing the battery will fix this?

Note 4 Battery Problems

Hi everyone!
I got a Note 4 a few days ago and it has battery issues.
I got it second hand online from a guy I don't know. I'm from Romania, I think the phone is from the UK, it's Verizon branded. The model is SM-N910V and the Android version is 6.0.1. It's not rooted. I noticed this V version isn't very common.
The battery that came with it was pretty poor, it would drain in a few hours with minimal usage and the worst problem is the phone would suddenly shut down at about 30-35% battery life. Then it would go into a booting loop, without being able to actually boot until I plugged it in.
I bought a new genuine battery from a popular online store here (F64), battery life is better, but still with just wifi, it went to 50% in about 2 hours of browsing. Without wifi or data (very little), it lasted for a day and a half. But the phone suddenly shut down at 8% battery life, again going into a booting loop, without being able to actually boot until I plugged it in. I'd also like to mention, when the new battery came, it only had 4% battery life left (I heard they should come about half charged, is that true?) and also there were a few reviews from people who had to try multiple batteries from this store until they got lucky with a good one. Both the old and the new batteries look identical, I don't see any signs of counterfeit.
Should I return the battery and try a new one? Is there a chance there's something wrong with the device itself?
Thank you very much!
Common problem.
Sent from my SM-N930F using Tapatalk
a602820922 said:
Common problem.
Sent from my SM-N930F using Tapatalk
Click to expand...
Click to collapse
I noticed that. Any solution?
My real fear is if there's something wrong with the device, because I can't return it.
carabus1206 said:
Hi everyone!
I got a Note 4 a few days ago and it has battery issues.
I got it second hand online from a guy I don't know. I'm from Romania, I think the phone is from the UK, it's Verizon branded. The model is SM-N910V and the Android version is 6.0.1. It's not rooted. I noticed this V version isn't very common.
The battery that came with it was pretty poor, it would drain in a few hours with minimal usage and the worst problem is the phone would suddenly shut down at about 30-35% battery life. Then it would go into a booting loop, without being able to actually boot until I plugged it in.
I bought a new genuine battery from a popular online store here (F64), battery life is better, but still with just wifi, it went to 50% in about 2 hours of browsing. Without wifi or data (very little), it lasted for a day and a half. But the phone suddenly shut down at 8% battery life, again going into a booting loop, without being able to actually boot until I plugged it in. I'd also like to mention, when the new battery came, it only had 4% battery life left (I heard they should come about half charged, is that true?) and also there were a few reviews from people who had to try multiple batteries from this store until they got lucky with a good one. Both the old and the new batteries look identical, I don't see any signs of counterfeit.
Should I return the battery and try a new one? Is there a chance there's something wrong with the device itself?
Thank you very much!
Click to expand...
Click to collapse
Return the battery.
The seller store the battery in a very poor way.
Lithium should be kept at around 40% charged if you store it for a long time (more than 1 month)
I have 5 batteries with me, 3 of them are considered broken (70 - 60% left)
The last 2 are still in very good condition, around 98 - 99%
About your device, you will need around a few days of charge cycle with a good battery.
d4rkkn16ht said:
Return the battery.
The seller store the battery in a very poor way.
Lithium should be kept at around 40% charged if you store it for a long time (more than 1 month)
I have 5 batteries with me, 3 of them are considered broken (70 - 60% left)
The last 2 are still in very good condition, around 98 - 99%
About your device, you will need around a few days of charge cycle with a good battery.
Click to expand...
Click to collapse
Thanks for your answer. I didn't know batteries for this phone are so problematic.
I just charged it to 100% slowly from my PC, will use it normally and see how much the battery lasts and if it shuts down again. As I went through forums, some people say I need to do battery calibration. If it's still bad, I'll return it.
Thanks again!
Try to get a battery direct from Samsung. Failing that buy a PowerBear or Anker. Do a factory reset and calibrate your battery by fully charging it, then running it down to 0% (if it shuts down, keep turning back on until it won't turn on). Then charge fully back to 100% again - DO NOT USE FAST CHARGE.
Kinsman-UK said:
Try to get a battery direct from Samsung. Failing that buy a PowerBear or Anker. Do a factory reset and calibrate your battery by fully charging it, then running it down to 0% (if it shuts down, keep turning back on until it won't turn on). Then charge fully back to 100% again - DO NOT USE FAST CHARGE.
Click to expand...
Click to collapse
I will look for a store somewhere. I don't think I can find those two brands here.
I did a factory reset when I bought it a few days ago, but that was with the old battery. Will do the factory reset after I drain it to 0% later today.
I don't have a 'fast charge' charger, and I have it disabled in settings.
Thank you for your response!
carabus1206 said:
Thanks for your answer. I didn't know batteries for this phone are so problematic.
I just charged it to 100% slowly from my PC, will use it normally and see how much the battery lasts and if it shuts down again. As I went through forums, some people say I need to do battery calibration. If it's still bad, I'll return it.
Thanks again!
Click to expand...
Click to collapse
carabus1206 said:
I will look for a store somewhere. I don't think I can find those two brands here.
I did a factory reset when I bought it a few days ago, but that was with the old battery. Will do the factory reset after I drain it to 0% later today.
I don't have a 'fast charge' charger, and I have it disabled in settings.
Thank you for your response!
Click to expand...
Click to collapse
What I said before is for all phone that uses Lithium Battery.
Lithium Battery must be kept in a storage at around 40 - 80% charged & must avoid hot places if you don't use it for a long time.
Draining Lithium Battery to 0% will deteriorate the battery faster so it's a big NO.
Calibration is done on the phone not the battery.
Delete "batterystats.bin" to calibrate the battery gauge.
Calibration is useless if the battery is bad (you received it at 0% it means that the storage condition is bad thus the battery is bad.
Charging from PC is a BIG NO as USB port on PC only provide around 500mAh & usually it's unstable.
The charging rate is too low & it could deteriorate the battery faster too.
And the last....I think factory reset doesn't necessary reset the batterystats.bin, so you have to delete it manually if you are rooted or follow this link if you are not rooted.
d4rkkn16ht said:
What I said before is for all phone that uses Lithium Battery.
Lithium Battery must be kept in a storage at around 40 - 80% charged & must avoid hot places if you don't use it for a long time.
Draining Lithium Battery to 0% will deteriorate the battery faster so it's a big NO.
Calibration is done on the phone not the battery.
Delete "batterystats.bin" to calibrate the battery gauge.
Calibration is useless if the battery is bad (you received it at 0% it means that the storage condition is bad thus the battery is bad.
Charging from PC is a BIG NO as USB port on PC only provide around 500mAh & usually it's unstable.
The charging rate is too low & it could deteriorate the battery faster too.
And the last....I think factory reset doesn't necessary reset the batterystats.bin, so you have to delete it manually if you are rooted or follow this link if you are not rooted.
Click to expand...
Click to collapse
Thank you very much! I will reply with updates soon!
I had a similar problems, and I have received my new battery yesterday which has been charged in 51% so I drained it to 1%-0% without unexpected shutting downs, I have charged it again and so far it seems to be ok
Sent from my SM-N930F using Tapatalk
---------- Post added at 03:05 PM ---------- Previous post was at 02:58 PM ----------
d4rkkn16ht said:
Delete "batterystats.bin" to calibrate the battery
Click to expand...
Click to collapse
Can you tell me where it is? In which folder
Sent from my SM-N930F using Tapatalk
carabus1206 said:
Thank you very much! I will reply with updates soon!
Click to expand...
Click to collapse
Hi, I didn't return the new battery after all, I think it 'calibrated' itself after the first charge. Also it goes from 100% to 1% and shuts down properly now.
I did two tests on full battery:
- barely using it, no wifi, data etc, just a few short calls (probably 30 mins of OST) and it lasted almost 6 days
- stress test, wifi and data on, gps with maps and waze on, maximum brightness and and a very long youtube video playing constantly (screen on) and it lasted about 5 hours and 30 mins
In normal use it lasts me about 2 days, but it slightly worries me that if I keep mobile data on all the time it only lasts until the end of the first day.
Would this be considered a good battery life for the Note4?
Thanks to everyone for replying and helping!!

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