Battery issue? - Galaxy S 4 Q&A, Help & Troubleshooting

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 ..

Related

Battery seems to drain fast when 50% or less, is this normal?

When my phone is fully charged or has 70 or 60% remaining battery it seems to drain as normal, around 2-5% over a 10 hour or so period...
However, I've noticed once the battery decreases below 50% it drains FAST, why?
Anyone else noticed this? Test it for yourselves, monitor the TIME it takes to decrease from 100 to 50% and then from 50% to 0.
Yesterday I forgot my phone in the car whilst going to work. It was turned on however it was sitting all day in the car.
Once I returned from work I was shocked to find the phone would not turn on.
At first I thought there was a problem or some kind of fault. Once I plugged in the charger it started to charge, the battery cut and the phone automatically turned off!
I remember the phone had around 48% battery remaining, no wifi or 3g or data turned on. It was simply idling...
So the question is HOW can the battery drain from 48% to 0% over a 10 hour period without being used???
Should my battery of been ANYTHING over 50% it would only lose a few percent...
Same thing for me. (Samsung Galaxy Note N7000 - stock Android 2.3.6)
Battery slowly decreases from 100% to ~50% and then ~2x faster.
I charged the note on my computer and then switched to the charger (at ~60% of charge).
I'm no expert of battery charging etc. but just remembered my iPhone 3GS discharging faster when charged on the computer than with the charger.
If it's the same for the note, some cells could discharge faster because charged on the computer.
Can someone confirm this (or not) ?
How did you charge your phone ?
boubou2k said:
Same thing for me. (Samsung Galaxy Note N7000 - stock Android 2.3.6)
Battery slowly decreases from 100% to ~50% and then ~2x faster.
I charged the note on my computer and then switched to the charger (at ~60% of charge).
I'm no expert of battery charging etc. but just remembered my iPhone 3GS discharging faster when charged on the computer than with the charger.
If it's the same for the note, some cells could discharge faster because charged on the computer.
Can someone confirm this (or not) ?
How did you charge your phone ?
Click to expand...
Click to collapse
Same thing happnd with me, and charging my phone thru electric charger..
So it seems this behaviour happens to several other Note users, why?
It's a problem knowing that having around 50% left in your battery will struggle to make it through the day with little to no use...
Have you people set the wifi to turn of while the screen is off? This is unnoticeable in the daily use, but increase the batterytime massively. The setting for this is hidden, you have to push menubutton while in the wifi-settings.
Here I thought I was only imagining things about the battery life dropping faster once it has reached 49% or less.
EarlZ said:
Here I thought I was only imagining things about the battery life dropping faster once it has reached 49% or less.
Click to expand...
Click to collapse
Haha, nice to know I'm not the ONLY one facing this bug...
I can only hope Ice Cream Sandwich solves this battery drain issue.
Hmm, i think i have the same problem, but i'm not sure. Will get back to this thread when i've investigated a little bit.
This may be a typical samsung issue.
I remember when i had the spica , the battery percentage lining in kernel was totally wrong. I think its done on purpose so you would feel like you have more battery life. 75 % of the battery drains slow. And the rest 25 super fast. Can be fixed within kernel.
Sent from my LG-P990 using Tapatalk
I believe its just a placebo effect. Battery usage always depends on so many factors its a pain to even consider starting looking for the issue.
Being on stock KK5 not rooted, i cannot report the same. I only see "fast battery drain" at the last 4-5%. If you feel its an issue, could you post the firmware version you are on and the battery stats graph just for reference?
Placebo or not its something I can definitely feel on my Galaxy Note.
EarlZ said:
Placebo or not its something I can definitely feel on my Galaxy Note.
Click to expand...
Click to collapse
When you get the chance, could you post the battery stats graph please? what we should see is a (lets say) 30 degrees angle and at about halfway it gets steeper.
I know its quite hard to demonstrate the issue, but if you lets say use wifi to browse the first 50% in text only sites and then visit youtube for the last 50%, it won't help the test.
A nice way to test it would be to charge it to 100%, then load up a long movie and repeat playing it till the battery is 2-3%. Then post the results.
roxxy said:
Have you people set the wifi to turn of while the screen is off? This is unnoticeable in the daily use, but increase the batterytime massively. The setting for this is hidden, you have to push menubutton while in the wifi-settings.
Click to expand...
Click to collapse
When the Wifi is disconnected, the 3G scanning will get on. Isn't that defeating the purpose?
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Hey there!
I would suggest to load the battery 100%, plug it out, go into recovery and wipe battery stats.
I have to admit that I don´t know exactly what this workaround does, but I read about it in another forum...and it worked for me, my battery status is much more accurate now!
JulyDerek said:
When the Wifi is disconnected, the 3G scanning will get on. Isn't that defeating the purpose?
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Click to expand...
Click to collapse
Wifi will continue to scan for wlans near it every second or so
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I'm back. I've had the Diagnosis app running for the past hour, and i got some interesting results.
---Wiping battery stats does not help---, a full charge automatically causes battery stats reset.
I full charged mine with the electric charger after fully discharging it without turning it on.
This time i didn't notice any change in discharge speed between 100%-50% and 50%-0%.
Last time I charged the phone it was not fully discharged. Charged it from 30% to 50% then 50% to 75% on the computer, and 75% to 100% using electric charger.
It's just a supposition, but maybe doing several partial charges while using the phone makes the battery % information inaccurate (wrong battery stats?).
[Edit]In this case, wiping battery stats should show accurate battery %. [/Edit]
I had a similar problem, and I think it is to do with some incorrect scaling or measurement.
I was down to 28%, and it seemed to be draining fast even though I was not using it. I rebooted (I love how quick that is after my Arc was so slow). On restart it was at 17% ! The usage graph just did an instant drop.
I also had another occasion where it remained at 100% for 2 1/5 hours of use.
I assume some calibration issues caused the meter to read the battery wrong. I am turning off on the w/e overnight (when I do not need the alarm) to see if a slow (180 mA) charge while off will help. I may even get a decent alarm clock so I can turn the phone off at nights and charge. I spend too much time in the morning checking my email and reading news!
What is more consistent on mine is that when the battery drops to 9% or less the loss is like 1% per ~10-15% and this is with wifi/3g off, phone locked.
I'm back again. I've had some serious battery drain the last couple of days, but i noticed that Auto Sync was enabled. Once i deactivated it it got much better. Pulled the phone from the charger 9 hours ago and i'm at 90% battery left. I've sent some SMS, a few calls and that's about it, but it doesn't drain while it's in standby now, so i'm happy with it.

Battery charged itself !!

I checked my battery monitor widget today am noticed something very strange. It showed me 40% charged when I was sure it was only 35% charged before I went bed! WTF did it charge itself? As you can see from the screenshots the phone was not on charge and was awake for most of the night which has never happened before. I have not installed any new apps in the last few days I have never seen this before on any of my android phones over the years. After 1 month of using the note this is the first glitch i've noticed (if it is a glitch). I am on stock LA4.
Anyone have any ideas as to why this happened?
I'm not complaining ( wish it happened every night!) just curious.
I have noticed the same strange thing with ICS.
did you try pinching your arm?
/Jeriz
It is probably/maybe your battery stats that was not exactly "right" and might "recalibrate" your battery stats to the true value.
The simplest answer is always the true one: It is having trouble reading your battery right. Happens with mine too sometimes.
LOL I had the same thing happened to me.
First day with my note. And so far I am loving it.(despite colour rendering issues , and a very lagging stock keyboard)
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Maybe the phones are evolving and learning to use the sensor on the Front to charge itself lol
Sent from my Galaxy Note
This has happened to me several times already since the Galaxy S days.. sometimes after a reboot the battery looses 50% and slowly charges back up its quite funny and strange, never happened to my note though.
What do you think happens if some of the services is not needed anymore and stopes relaying,the battery % estimation will go up.
georgios73 said:
I checked my battery monitor widget today am noticed something very strange. It showed me 40% charged when I was sure it was only 35% charged before I went bed! WTF did it charge itself? As you can see from the screenshots the phone was not on charge and was awake for most of the night which has never happened before. I have not installed any new apps in the last few days I have never seen this before on any of my android phones over the years. After 1 month of using the note this is the first glitch i've noticed (if it is a glitch). I am on stock LA4.
Anyone have any ideas as to why this happened?
I'm not complaining ( wish it happened every night!) just curious.
Click to expand...
Click to collapse
Mine charged itself too.
Went from 30% to 50% when I was out.
I thought it has some solar panel hidden beneath.
hagba said:
What do you think happens if some of the services is not needed anymore and stopes relaying,the battery % estimation will go up.
Click to expand...
Click to collapse
Wtf are you talking about? That's not any kind of estimate of lifetime, that's a report on amount of energy left. And in this case, specifically, a bug in it's reading.
Livewings said:
Mine charged itself too.
Went from 30% to 50% when I was out.
I thought it has some solar panel hidden beneath.
Click to expand...
Click to collapse
That one a good idea. Smartphone company should consider to put it in every phone in future..lol
Sent from my GT-N7000 using XDA App
When I saw this thread, I immediately opened my battery stats only to see this:
lulz
Viamonte said:
Wtf are you talking about? That's not any kind of estimate of lifetime, that's a report on amount of energy left. And in this case, specifically, a bug in it's reading.
Click to expand...
Click to collapse
You need to review your facts make a bit more research, the report is based on the fact that how many apps and services are you using,say if the wifi is on, it will show you certain %, however if you turn it off will report you that it has increased, depending on the running apps and services how much battery is left, my laptop does it all the time,unless you are living in pre Smart Battery Meter era.
I have to agree that if the % relies on the voltage (as I am sure it must do to some extent, but I am only guessing), stopping heavy services will allow the voltage to increase and the app may see that as a gain.
Alternatively we have discovered Samsung's secret OTA charging method! This explains why some phones have terrible battery life, they are being sucked dry by nearby 'Vampire Notes'!
Now, if we could just work out how we could charge all Notes by sucking iPhones dry ....
turshija said:
When I saw this thread, I immediately opened my battery stats only to see this:
lulz
Click to expand...
Click to collapse
Mega wtf. :O
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Battery is trolling
The Galaxy Note battery is a three terminals battery. So I think that the % state of charge of this battery is directly calculated from its output voltage.
The voltage decrease as the charge decrease, so it is possible to evaluate the residual charge in the battery.This is not a very precise method but it is quite simple to implement.
After a high current drain there is what is called a ''voltage recovery'', the battery voltage increase slowly a little bit as the current is stopped. So you may think that the battery get back energy, but unfortunately it is only an artifact.
Yesterday I showed you all how my battery indicated that it had charged itself.
So guess what folks today when I checked the complete opposite happened!!
Again as you can see it went from 48% just before I went to sleep only to wake up to a dead phone (switched off). Upon rebooting it showed only 9% !!
Now I can cope with it going up but going down is not good.
Hope its not a hardware problem and just a faulty battery.
lets see what happens tomorrow maybe it will explode!
I'm an EE (election engineering) student. Michel_7 is right. Lithium ion batteries experience a voltage sag during high current draws. Afterwards there is some rebound, both as the battery cools if over temp, and with a period of lower activity. This is in part due to the fact that batteries have internal resistance, and as they supply power, they also dissipate some internally. This is of squared proportion to the current drawn. IE current^2 * resistance. Battery resistance constant, so the more power the phone uses, the more the battery does. This is what heats up the battery.
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Battery problem

Hi folks....m using galaxy note...it's not rooted...the battery doesn't last long enough as it is claimed... is it something wrong with my phone or is this what they mean by long battery life... i text alot and during texting and playing gamea my phone gets warmed up and the battery lasts less than 3hours if i continue texting...my kernel version is [email protected]#2.....please help....
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It sound like you have a faulty battery if it only lasts three hours, I think you would have to be gaming to flatten a good battery in that time.
John.
Mine is the same. If I'm browsing the web, using instagram, Facebook and receiving email my battery will go from full to empt in easily 3 to 4 hours.
Backup, factory reset, reinstall apps from market (try to install only the ones you use a lot at first), restore the data you need. If you're still seeing the same things happening, install a battery logger / system logger. Use this guide to see if there's a rogue app that's causing the trouble: http://forum.xda-developers.com/showthread.php?t=937080
If it's still acting up and you cannot identify any unusual drain, I'd ask for a replacement.
After you get things sorted, you can use apps like Juice Defender from the Market to prolong your battery life even more.
-KJ
thanks guys for the sincere contribution.... i hope your advices help me...
my top battery consuming activities are:
temple run
google play
msging
go launcher
and nothing else
gaming and browsing certainly make the battery drain almost visibly..
things above and beyond the above to try include..
1. reduce screen brightness
2. reduce frequency of or disable background updates by apps
3. no vibrate notifications
4. work more, play less!..lol
the battery life of the Note is great, unless you use it .. a battery monitor will allow you to see the battery drain over time..this will help when you address item #2 above.. if you accept default refresh times, and have lots of social apps your battery can die in 6-7 hrs without even using the Note at all!..
I really love when people give the tip to not use your phone as a battery saving tip
forum.xda-developers.com/showthread.php?t=1600691
some hints for better battery life
Got mine the other day. First charge battery was fine. Second charge went down 7% in about 5-10 mins. Then it restarted :/ Came back on, down to 88%. Turned the phone off as was frustrating me as it restarted 3 times yesterday. But when I turned it back on I was at 83%?
Hasn't last me the day, it's on charge now. When it pops up telling me to charge it tells me to shut all apps and that using while charging may effect it charging. Is this correct? I didn't think it would have anything to do with it?
3 to the 4 hours continuous use is normal... Only if your phone is standby and then depletes in that time You should be worried. I recommend researching wakelocks in that case.
There are many variables that can atribute to batterylife depletion. Eliminate those first and you will have your answer.
I had best results on stunner version 19. To bad it has the death kernel (leaked ics)
Sent from my GT-N7000 using Tapatalk 2
I am facing a similar issue, facing a massive wakelock by PowerManagerService. It keeps the phone awake all the time?
Any suggestions?
shrayv said:
I am facing a similar issue, facing a massive wakelock by PowerManagerService. It keeps the phone awake all the time?
Any suggestions?
Click to expand...
Click to collapse
Usually that wakelock is there cause you are charging, or have USB plugged in
Edit, I was wrong, sorry, this guy is right, I think http://forum.xda-developers.com/showthread.php?t=1340066
Sent from my GT-N7000
http://forum.xda-developers.com/showthread.php?p=16808932 this has some good android tips
Sent from my GT-N7000
I have my note now for 2 days and i see a lil issue with the fast draining to battery power. Although i have been on it for a few hours its expected but i shall try these tips cause they do help
Sent from my GT-N7000 using XDA
craiigman said:
Got mine the other day. First charge battery was fine. Second charge went down 7% in about 5-10 mins. Then it restarted :/ Came back on, down to 88%. Turned the phone off as was frustrating me as it restarted 3 times yesterday. But when I turned it back on I was at 83%?
Hasn't last me the day, it's on charge now. When it pops up telling me to charge it tells me to shut all apps and that using while charging may effect it charging. Is this correct? I didn't think it would have anything to do with it?
Click to expand...
Click to collapse
Drain your battery up to 20%....then charge it againg. ....try charging overnite.....it worked for me...u can try juice defender also
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Had the note for 2 days. It came with LA4 FW and updated via Samsung Apps for the latest FW.
Battery drain, that was none on LA4 became very strong!
Installed Better Battery Stats and discovered that the CPU was always running.
Factory reset solved it...
Regards
Nuno
forum.xda-developers.com/showthread.php?t=1600691
This one has some note specific tips, also pretty good. I concur on the speedmod kernel, its awesome
Sent from my GT-N7000 using Tapatalk 2
I can recommend "2x Battery" free app. I'm using it today and making a very noticeable difference.
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ICS Upgrade gives you a shorter battery life ??? Read how to get long battery life

Hello friends,
Here finally I upgraded to ICS and honestly I get great ( huge ) battery life..
before also I get upgrade and i get very low battery life because of low calibration of battery without my knowledge..
so I've reverted back to gingerbread 2.3.5 and I'm happy
But who wants older version when the new shiny and superb upgrade of ICS is there anyone ???
So finally I upgraded to ICS and after many searching ,, finding ,,, reading and confusion with doubt The great battery life will be came out from our Loving SGN.. so please do not get disappointed just see below.
Really here I provide you some small and very easy steps by using it you will be definitely be happy with your ICS upgrade ..
you doesn't have to go anywhere and doesn't have to buy anything with your valuable money ..
Really happy
Then read it and get longer and more juice from your battery..
you have to follow some easy steps below
1 . First upgrade your ICS from any source whichever you like ... by kies air or Kies on PC or mobile odin or Via PC ODIN [ please do full charge of battery before any upgrade low battery can make your phone unusable or dead you can get more info on other threads ]
2 . Hope you have upgraded successfully.. then use your phone till your battery goes down to 5 % or below...
[ Caution ] Do not use it till it switched off automatically.
3 . Plug your charger and charge it till morning if you are charging at night or else charge it around 6 to 7 Hours even after full charged .. it's important step.. Do not Ignore it ..
4 . and then use it as per your requirements till battery shows 5% or below
5 . Repeat the step 3
6 . Do it around 8 or more charging cycles.
You get really miracle after 3 or 4 full cycles...
[ caution ] do not overcharge after that i.e just do 6 to 7 hours charging for around 5 - 6 cycles ... after that charge till battery shows full charge i.e around 3 - 4 hours. do not overcharge ..
made it habit of full charge cycles if you are comfortable with it. it really gives great battery life then average battery life.
Hope It'll be helpful to you
Regards
It is better to charge randomly than doing full charges every time on Li-Ion batteries.
Doing full charges every time on Li-Ion will result in battery being end-of-life faster...
Overcharging is also bull****. The phone automatically stops charging the battery when it's fully charged.
_breez_ said:
It is better to charge randomly than doing full charges every time on Li-Ion batteries.
Doing full charges every time on Li-Ion will result in battery being end-of-life faster...
Overcharging is also bull****. The phone automatically stops charging the battery when it's fully charged.
Click to expand...
Click to collapse
As per research the full cycles of Li-on battery gives good hold of charge and also batter life..
in all honesty your post is as useless as mine right now.
According to me, It can be considered as myth . . If the battery needed to be calibrated then it must have been official.. n 2ndly the procedure above is not professional at all... So dnt even think it wud work.... Neways someone can always try and authenticate...:thumbup:
Noted by the BEAST!!
KAASHP said:
As per research the full cycles of Li-on battery gives good hold of charge and also batter life..
Click to expand...
Click to collapse
Doing full charges for calibrating the battery: no problem if you do it once in a while
But you are suggesting people to ALWAYS do full charges on their Li-Ion battery...
8-10 cycles after eachother is too much as well. 2 charges will be enough.
thanks for more info bro
maybe 2 is enough but in many cases it'll be not...
Why do you need to do this just because the OS has changed? And if so then why is it not require on GB?
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_breez_ said:
Doing full charges for calibrating the battery: no problem if you do it once in a while
But you are suggesting people to ALWAYS do full charges on their Li-Ion battery...
8-10 cycles after eachother is too much as well. 2 charges will be enough.
Click to expand...
Click to collapse
I totally agree with you!
Also, never let a battery dry for long periods, it will be damaged beyond repair.
Lithium Ion batteries perform better when you keep it as charged as possible.
I call this thread BS too... But I thank the user for the effort
Yeah ICS battery life sucks. I've done what OP said and I still get 4 hours less Battery life than what gingerbread would give me.
tw15tr said:
Why do you need to do this just because the OS has changed? And if so then why is it not require on GB?
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
It's essential because all the states of your battery will be wiped in most of the cases while you upgrade also it's helpful to you if you upgrade your ROM.
inurb said:
yeah ics battery life sucks. I've done what op said and i still get 4 hours less battery life than what gingerbread would give me.
Click to expand...
Click to collapse
ok bro try this procedure and also report us..
In most of cases we have solved this issue with this procedure even i had this issue before now it works like a charm.
I did several full drain and full charge cycles when I upgraded to ICS. Still got the battery drain bug so I think its more luck than anything else if your battery lasts.
In my case I've discovered that power cycling the device after charging is the most reliable approach.
Install CPU Spy, run it after a charge, reset the timers, and then leave your phone in standby (screen off) for 30s or so. Unlock the phone again, and check CPU Spy - if the 'Deep Sleep' cycle is unused then do a phone restart. This has worked EVERY time for both me and a friend who I told about it. I'm getting similar battery performance to when I was running GB!
Battery life depends on a lot of things, ROM version is not the main thing.
This is my setup:
ICS version LQ3
Speedmod 3-3 Kernel
Disabled a lot of Samsung stuff (Readers hub, social hub...)
No automatic sync of twitter, e-mail, etc
I get pretty much zero battery drain when in deep sleep mode.
Of course when using the phone, screen on, Wifi On, autobrightness... battery usage is bigger and you can drain the battery in only 4 hours if you go for it.
Be careful with:
- Live wallpapers, I've seen cases where they remain active all the time
- Apps syncing data on background every few minutes (facebook, twitter, etc)
- Apps uploading a lot of data on background (google+, dropbox..)
- Games that crash and leave the CPU in a high power state until you reboot
Agree
vcespon said:
Battery life depends on a lot of things, ROM version is not the main thing.
This is my setup:
ICS version LQ3
Speedmod 3-3 Kernel
Disabled a lot of Samsung stuff (Readers hub, social hub...)
No automatic sync of twitter, e-mail, etc
I get pretty much zero battery drain when in deep sleep mode.
Of course when using the phone, screen on, Wifi On, autobrightness... battery usage is bigger and you can drain the battery in only 4 hours if you go for it.
Be careful with:
- Live wallpapers, I've seen cases where they remain active all the time
- Apps syncing data on background every few minutes (facebook, twitter, etc)
- Apps uploading a lot of data on background (google+, dropbox..)
- Games that crash and leave the CPU in a high power state until you reboot
Click to expand...
Click to collapse
I am agree with this reply.
If you want to get best battery back-up;
Disable all apps which are working in background, sync n update really eat the phone battery.
I am using my note with active mobile network or wi-fi for a whole day and playing games too without doing this F**KING trick.
The only way battery life gets sucked of Galaxy note is if it doesn't go into deep sleep when not in use.
To all those reporting low battery life: How much battery do you end up losing overnight. ( approx 6-8 hrs)
I typically lose <5 % ( best case scenario has been 1 %)
I had a problem last week and lost 30% overnight and found that it deep go into deep sleep.
and the best solution i found in another thread was to unlock the phone before unplugging from charger
Simply try it: For me normal time between charges is 36 hrs ( battery is near 25% level)
Witches broom battery modification
Battery Lifecycles are connected with the phases of the moon. So you'll get the most out of your battery if you dance at midnight when having full moon spitting five times on your battery.
Many people are of the myth of overcharging n recharging, but its not true wIth lithium batteries, phone will automatically stop charging, if only anything helps its battery calibration,u can do this with a free app called battery calibration, time for the tread to be regarded as close, still useful for noobs
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I get great battery life my phone lasts for months on end without dying. I just plug in the charger every night and my battery has not died yet.
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sanghaviraj said:
Many people are of the myth of overcharging n recharging, but its not true wIth lithium batteries, phone will automatically stop charging, if only anything helps its battery calibration,u can do this with a free app called battery calibration, time for the tread to be regarded as close, still useful for noobs
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
Cheers...use BatteryCalibration
Sent from my GT-N7000

[Q] Battery Drains Faster?

Hi,
I brought my Samsung s4 yesterday and charged it before use it, my question is i used only 1 or 2 h and stand by about 4 h, battery is now 48%.
Is others have same issue?
Is it normal ? draining battery like this ? if not should i send it back?
Please give me some advice .
Regards
Let it completely die 3 times before sending it back imo. It might just be getting poor battery readings
Had mine run GLBenchmark when I was laying down in bed. Found it still on around 7 hours later, the screen still on (after I realized I fell asleep), and was around 10%.
Again, that's with the screen on all 7 hours.
Will try completely draining but battery life is horrible for me also...
I mean I'm at 89% using Power Saver with 11 minutes screen time and only 2.5 hrs off the charger...
Sent from my SPH-L720 using Tapatalk 2
Reason I brought this Samsung s4 over htc because of the large batterie capacity, Samsung disappointed me ..
And thank you friends for advice , hope that drain battery totally will solve this problem. . If not I will return this unit. .
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My battery going down quick as well, today i take at 00:37am from charger was 100% and around 7am left me 68% battery . I was shock, now is 6pm and my phone is connect back to charger because battery was only 18%. All today what I use this is was 3 or 4 call for 4 minutes long and internet connection . Bad Compare to HTC ONe rubbish result.
Wielki.Brat said:
My battery going down quick as well, today i take at 00:37am from charger was 100% and around 7am left me 68% battery . I was shock, now is 6pm and my phone is connect back to charger because battery was only 18%. All today what I use this is was 3 or 4 call for 4 minutes long and internet connection . Bad Compare to HTC ONe rubbish result.
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You have mediaserver running and scanning that's why. Check your stats
Swyped from another galaxy
Hi ski
Can you please explain me what do you meaning by media server?
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safeburn said:
Reason I brought this Samsung s4 over htc because of the large batterie capacity, Samsung disappointed me ..
And thank you friends for advice , hope that drain battery totally will solve this problem. . If not I will return this unit. .
Sent from my GT-I9505 using XDA Premium HD app
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Click to collapse
Give it a few days and then judge. :good:
Battery life its crap. Where is that big battery life improvement over gs3? All those reviewers must be shot dead! Also sound quality its *******. It looks like we got crappy snapdragon version and 3rd world countries get better octa version. Will send this ***** back.
I'm getting pretty horrible battery life as well. I'm giving it a few days do see if it corrects itself before I worry too much though. So far I have been very disappointed in the S4. Atleast the U.S. version.
damon20r said:
I'm getting pretty horrible battery life as well. I'm giving it a few days do see if it corrects itself before I worry too much though. So far I have been very disappointed in the S4. Atleast the U.S. version.
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Click to collapse
Try installing this
its made by qualcomm to improve battery life =]
get about 5 hours more on battery
Qualcomm Battery Guru ​
-----------------------------------------------------------​
I'll see what my battery life is after it settles in and then might look into it. I need to have a little more to compare it to than I have after 2 days of using it.
damon20r said:
I'll see what my battery life is after it settles in and then might look into it. I need to have a little more to compare it to than I have after 2 days of using it.
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Yea generelly it takes about a week for batteries to settle down =] still early days
Yea you really have to let it go for a good week til it gets some battery data & breaks the battery in.
Also the screen drains the battery more than anything you could listen to music for days if you kept the screen off
I remember when I had my old droid x and that thing would run down to 20% streaming pandora for a few hours haha
fade2green514 said:
Let it completely die 3 times before sending it back imo. It might just be getting poor battery readings
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Click to collapse
NO NO NO FOR CHRIST SAKE NO. don't listen to this swine. Letting your battery completely discharge is the worst thing you can do for a lithium ion battery, significantly reducing its life
If I helped you out be sure to hit thanks
Swyped from a minimalist S2
MultiLockOn said:
NO NO NO FOR CHRIST SAKE NO. don't listen to this swine. Letting your battery completely discharge is the worst thing you can do for a lithium ion battery, significantly reducing its life
If I helped you out be sure to hit thanks
Swyped from a minimalist S2
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firstly, im not a swine.
secondly, its actually really beneficial to let your battery die. since android shuts off the phone before it hits absolute 0% you will not ruin the battery. now, on the other hand, if you let the phone die, set the battery on a shelf for a few months, and then try to use it again, that will probably ruin the battery.
ive let my droid 3's battery die hundreds of times and it still gets me through a full day regularly
leaving the phone on the charger at 100% actually potentially hurts battery life. but, this rarely effects battery life by much.
if you store a battery for long term storage, the suggested amount of charge to leave in the battery is 30-40%
fade2green514 said:
firstly, im not a swine.
secondly, its actually really beneficial to let your battery die. since android shuts off the phone before it hits absolute 0% you will not ruin the battery. now, on the other hand, if you let the phone die, set the battery on a shelf for a few months, and then try to use it again, that will probably ruin the battery.
ive let my droid 3's battery die hundreds of times and it still gets me through a full day regularly
leaving the phone on the charger at 100% actually potentially hurts battery life. but, this rarely effects battery life by much.
if you store a battery for long term storage, the suggested amount of charge to leave in the battery is 30-40%
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Click to collapse
From what I've researched putting any unnecessary strain on the battery isn't good for maintaining it long term. Meaning charging it when it hits 15 percent or so, and yes, not leaving it at a high capacity for extended amounts of time
If I helped you out be sure to hit thanks
Swyped from a minimalist S2
If your battery gets below 3.0 V it's bad. But the phone will shut down when the battery gets below 3.5 V.
MultiLockOn said:
From what I've researched putting any unnecessary strain on the battery isn't good for maintaining it long term. Meaning charging it when it hits 15 percent or so, and yes, not leaving it at a high capacity for extended amounts of time
If I helped you out be sure to hit thanks
Swyped from a minimalist S2
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Click to collapse
yea im not saying to leave the screen on when you're not using it. im just saying let it die during normal usage. maybe even by the next day.
if you somehow manage to wreck the battery in this thing though, the greatest thing is its easily removable lol

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