Develop Bugs

Have you managed to get over a day of battery life?

The phone is great but the battery really bothers me.
If I use my phone a bit it doesn't get me through the day. Sometimes i get as low as 8 hours of use with tops of 20 or so hours.
How do you manage it?

Fking1 said:
The phone is great but the battery really bothers me.
If I use my phone a bit it doesn't get me through the day. Sometimes i get as low as 8 hours of use with tops of 20 or so hours.
How do you manage it?
Click to expand...
Click to collapse
I use an Apex kernel and a 2000mah extended battery

Mines been great. Yesterday I was at 17+hrs which included over 3hrs of screen time and 1 hr of voice calls. I've only had my phone for less than a week, and have twice gotten over 4hrs of onscreen time (all with stock battery).
Running AOKP Milestone2 ROM with stock kernel.

I about a day and a half nearly 2 with stock and moderate use.
Batteries pretty damn good, you must have something installed that's eating it up. There's a good battery guide somewhere on these forums, usually helps track down the cause.

I usually get about 3 hours of screen time before I need to recharge. That should be normal.
Sent from my Galaxy Nexus

AOKP + Franco kernel + 2000 mAh

Got two days of battery life just now (1 day 20 hours, to be exact). That's with 2h18m of screen time and 4h2m of voice calls. Screen time is mostly due to text messaging, Facebook, Foursquare, Twitter and Google Currents, so I guess... light to moderate usage?
WiFi is always on, Data is off, Sync is on (except for FB sync), location services off. Didn't sign out of Talk, but did sign out of Latitude.
Also, since I installed Facebook, when you run it for the first time, it downloads a lot of background data, regardless of sync settings. I let it do its thing while it's still charging, and it was all good after that.
Using AOKP b20, Franco 13.1, and stock battery.

36 hours is the most I've gotten out of the phone, but I did screenshot this not too long ago.
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I never get more than a day, but i use my phone very much because studying without my gnex is boring. I have the original gsm battery.

Fking1 said:
The phone is great but the battery really bothers me.
If I use my phone a bit it doesn't get me through the day. Sometimes i get as low as 8 hours of use with tops of 20 or so hours.
How do you manage it?
Click to expand...
Click to collapse
I would say the stock battery is borderline adequate. I find that on the stock system, if I use the screen for more than 3hrs, and have all my services sync'd, bluetooth, a few calls once in a while... I would have a hard time struggling to get to the end of the day without the phone giving me a battery warning.
How I've managed it is to get the samsung 2000mah extended battery. It's not a dramatic difference, but enough to make it noticable.
As well, I've kept the screen to about 40%, used a dark wall paper, loaded franco kernal and tweaked some of the settings to be more battery efficient.
Overall, I think it's acceptable right now. At least for how I use it.
I also find that my battery drains quite a bit where I work as the cell signal is on the borderline between no signal and 1-2 bars. That's why I keep a charger at work as well as in my car to give it some extra juice.

I find the battery is actually quite good.
I upgraded from a blackberry tour, and with similar moderate use the nexus actually gets me more battery use. However both phones being idle the blackberry lasted for days.
Overall i'm never away from a power source i can charge my phone, so as long as it lasts me roughly 1 day i'm good

Stock battery
Rom: aosp self-built from aosp master branch
Kernel: at the time, franco's nightly #8 or #11, can't remember exactly
Usage: light (3h screen on)
Went almost 3 days on one charge.

Nerfsuperball said:
I find the battery is actually quite good.
I upgraded from a blackberry tour, and with similar moderate use the nexus actually gets me more battery use. However both phones being idle the blackberry lasted for days.
Click to expand...
Click to collapse
If you can't get days while idle with your GN, then something is definitely wrong.

vapotrini said:
If you can't get days while idle with your GN, then something is definitely wrong.
Click to expand...
Click to collapse
Honestly I can't say I've let my gn be idle for days. Its far more useful then my bb was.
Sent from my Galaxy Nexus using XDA App

I don't have a nexus yet but would like to know if switching to 3g only improves the battery length significantly?
Sent from my R800x using Tapatalk

two days. Medium use.
Sent from my Galaxy Nexus using xda premium

I got my nexus 4 days ago.. Since then im harassing my phone.. Literally.. Im constantly installing application, customizing the homepages, making icons, widgets etc, surfing on web, exploring the market. 100% of time, Wifi or mobile data is in use (although i got unlimited data plan here (with speed of 4 mbits and 1 mbit upload), my wifi is more faster than mobile data.).
So i havent had a day with "normal" or "moderate" use on my GN.. And, battery lasts for over 24 hours.. And, autosync is always on, brightness is on 40% aprox, screen sleep 45 seconds (basicly its not sleeping cause im harassing it all the time )
Im all stock to the bone, just unlocked bootloader and rooted..
Im wondering what will happend when i start using my phone with moderate usage ..

Hmmm there are some interesting answers on this thread. The battery and the low sound have been the sole disappointments for me on the GN.
I get about 3.5 hours screen time before i have to recharge.
I guess if i turned everything off i could get better performance battery wise. But why would i spend almost $300 on a phone only to not use it? I am complete stock at the moment because i don't want to void the warranty but while i waiting for 4.0.3 i will be regularly using the hell out of my phone with a spare stock battery.

batteries have yet to perform at the level of the rest of the hardware, it's a fact. bear with it like the rest of us. of course we bought the phone to use it.
if you need battery life above all, turn off sync, it will do wonders.
personal pref: for more available resources, uninstall that widget crap, homescreens full of that i dont know whats the point of using them, even multiple homescreens, i rather have really important stuff on the launcher and just one homescren, black bg, no widgets. these are cpu and memory hogs, as well as 3rd party task killers, system monitors... keep it simple. less is more.

I assume no more than a day on my gn, but, as stupid as it sounds if you turn off the 3g and only enable 2g you improve your juice a lot. Most of the time we only need 2g.

[Q] Insane battery life, is this normal?

Is this normal, an hour of web-browsing with screen on auto-brightness and phone drops from 100% to 71% ? Wifi was off, bluetooth on but not connected to anything. I have Better Battery Stats too, shall I post up? On stock ICS.
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with my experience with ics the first discharge is usually terrible but after a few charges battery life becomes better.
Sent from my SGH-T989 using xda premium

are you using wifi? if so yes

G1_enthusiast said:
are you using wifi? if so yes
Click to expand...
Click to collapse
He said the wifi was off, please read people.

not sure if "insane" means bad or good. But it looks about average. The average screen on time ranges from 3.5 to 4.5 hours. Mine is dead center of that.
Bluetooth not connecting to anything still drains a lot because it is constantly scanning for other bluetooth devices.
BTW your reception is in the YEllow. that means that also leads to battery drain.
So if you have better reception and your bluetooth is off then your battery would last longer.
Note: I use bluetooth a lot and I find it to be one of the biggest factors for draining. more than GPS and Wifi. Although, using wifi with strong signal actually saves battery.

Teo032 said:
The average screen on time ranges from 3.5 to 4.5 hours. Mine is dead center of that.
Click to expand...
Click to collapse
I really doubt that, because I did the same battery test Techradar* does, which is:
screen on full bright
Wifi on
Gmai, FB, etc all set to update as often as possible
Run a 1.5 hour long HD video full screen
At the end of that test I was at 84%. (the Video was on my SD card, not streaming)
In the video they have a graph of their stats for different phones using this test. GS2 and GS3 are top 2.
http://www.techradar.com/reviews/ph...laxy-s3-1078667/review/page:14#articleContent

96shox said:
I really doubt that, because I did the same battery test Techradar* does, which is:
screen on full bright
Wifi on
Gmai, FB, etc all set to update as often as possible
Run a 1.5 hour long HD video full screen
At the end of that test I was at 84%. (the Video was on my SD card, not streaming)
In the video they have a graph of their stats for different phones using this test. GS2 and GS3 are top 2.
http://www.techradar.com/reviews/ph...laxy-s3-1078667/review/page:14#articleContent
Click to expand...
Click to collapse
You're doubting that our phone doesn't last that... Uhh.. Short? I've had this phone since December and had many discussions with others on here about it and we agree that 4 hrs is about right.
So with that test you're saying that our phone can get over 6 hours throughout the say with normal use? Highly doubt it. You have to realize a couple things.
1. Wifi consumes less battery than 4g
2. You should factor in a normal days use that means including idle time i would say about 2% per hour maybe less.
3. Watching a movie means no "touch" interactions which means it consumes less battery than Web browsing or playing games.
So yes if you just leave the phone on the entire time without touching it. It'll last a long time. But with actually interacting with the phone and using 4g data. Most gets 4hr. Screen time in 17 hours of use ( you guys do get 7 hours of sleep right?)
I don't really believe that test. I know that the 4s battery sucks balls. Our phone lasts longer with our 4g on. It is saying that the one x is shorter?? One x and s lasts longer than our phone. So yeah.
Sent from my SGH-T989 using xda premium

Very normal to me.

96shox said:
Is this normal, an hour of web-browsing with screen on auto-brightness and phone drops from 100% to 71% ? Wifi was off, bluetooth on but not connected to anything. I have Better Battery Stats too, shall I post up? On stock ICS.
Click to expand...
Click to collapse
You obviously haven't met the DARKSIDE...

Teo032 said:
You're doubting that our phone doesn't last that... Uhh.. Short? I've had this phone since December and had many discussions with others on here about it and we agree that 4 hrs is about right.
So with that test you're saying that our phone can get over 6 hours throughout the say with normal use? Highly doubt it. You have to realize a couple things.
1. Wifi consumes less battery than 4g
2. You should factor in a normal days use that means including idle time i would say about 2% per hour maybe less.
3. Watching a movie means no "touch" interactions which means it consumes less battery than Web browsing or playing games.
So yes if you just leave the phone on the entire time without touching it. It'll last a long time. But with actually interacting with the phone and using 4g data. Most gets 4hr. Screen time in 17 hours of use ( you guys do get 7 hours of sleep right?)
I don't really believe that test. I know that the 4s battery sucks balls. Our phone lasts longer with our 4g on. It is saying that the one x is shorter?? One x and s lasts longer than our phone. So yeah.
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
well i guess that test is to show the efficiency of the screen.

Rob4828 said:
with my experience with ics the first discharge is usually terrible but after a few charges battery life becomes better.
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I have to agree. Mine did exactly the same. After the 3/4 day battery life started to improve very noticeably. :good:

how is my battery life?

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I don't know how to read this. I'm new to rooting

With only 2hrs screen on, not really... I usually do twice that.
Sent from my SGH-T999 using xda premium

DinoSoup said:
With only 2hrs screen on, not really... I usually do twice that.
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
not really what?
is the battery life good or bad?
im running cm10

track 1 said:
not really what?
is the battery life good or bad?
im running cm10
Click to expand...
Click to collapse
I'd say your battery life is pretty poor.

My battery is a little bit better. I don't have any screen shots right now, but it's usually around 3 - 3.5 hours on screen. Around 7-8 hours battery usage total.

what app keeping your phone to stay awake?? 'cause that one hella awake phone.

x1tyme said:
what app keeping your phone to stay awake?? 'cause that one hella awake phone.
Click to expand...
Click to collapse
i dont know....i dont use a lot of apps. i use my phone quite a lot during the day though.

track 1 said:
i dont know....i dont use a lot of apps. i use my phone quite a lot during the day though.
Click to expand...
Click to collapse
Try downloading Gsam or watchdog from the playstore. Watchdog will tell you if there's a rogue app draining your battery and Gsam will tell you what's taking up the most power.

let your phone do a 3-4 recharge discharge cycles..then it would stabilize.

zeushvk said:
let your phone do a 3-4 recharge discharge cycles..then it would stabilize.
Click to expand...
Click to collapse
what is a recharge discharge?

charge it to 100% then let it discharge(1 cycle of rechrge of discharge) although there maybe a better word to represent that(noob in complex english )..

track 1 said:
i dont know....i dont use a lot of apps. i use my phone quite a lot during the day though.
Click to expand...
Click to collapse
With 2 hours screen on time over an 8 hour period and your steady curve on that graph, I would say you have some app, or some service eating CPU cycles constantly (these are called wake locks)...
Do this:
Download an app called CPU spy
Charge your device all the way
Pull it off charger
Open CPU spy
Then just hit the back button to close it.
Let your device sit for about a half hour. Don't touch it as much as possible. Leave the screen off.
Open CPU spy... post a picture of what your CPU stats say according to that app. Majority of your times should be in deep sleep mode.
Also, your battery shouldn't drain anymore than 1 to 1.5% each hour at idle. Unless you live in an area where there is poor reception (scanning for signal chews it up as well).
EDIT** ALSO...is your screen brightness on auto or is it manually adjusted a little brighter? If it on auto, then your battery life according to those graphs is absolutely awful. I have mine set pretty bright and I still see about 3 hours of screen on time

Give it a few hours of "normal" use and then come back here with a Betterbatterystats screen shot with Partial Wakelocks/Since Unplugged and Processes/Since Unplugged. That way we can see what is eating your battery. With only 4% gone, we can't see anything (too small of a window). Make sure you don't plug it in and use normally.
I have seen your other posts and I am wondering what it is that you really want out of your battery. If you think that you can get 3-4 days out of a charge, that is not going to happen. 1.5-2 days is a reasonable expectation and I think that you can get that, but you have to look at your usage habits. No kernel is going to fix that. No ROM is either.
If you are polling notifications (Facebook, G+. Twitter) or Google Locations (Maps, some app that requires location) or believe it or not using the XDA/Tapatalk app a bunch, then those will drain your battery quite fast. I use the Tapatalk app quite a bit and that and Google Now are my #1/2 battery drainers. Could I get rid of Google Now? Sure. It is more of a novelty at this point. I still get 1 -2 days of charge on my phone wihtout worrying about where a plug is.
Like I said, come back at the end of the day or tomorrow morning and post the Partial Wakelocks/Since Unplugged and Processes/Since Unplugged and we'll see what is draining your battery.

Another thing to note is that it seems your mobile network is typically pretty patchy. This can really drain your battery too.
I've been chasing wakelocks since I got my device and think I'm at a pretty good place. I get 2.5-3hrs of screen on time (about 20% screen brightness) across about 25hrs of standby time. Does anyone else get a lot of mmc1_detect and mmc0_detect wakelocks?

thanks woodrube. I will post my stats at the end of the day. I don't have a facebook or google + or any app that have notifications or updates by itself. I have the screen set to 20% brightness

how do I delete that dmux wake lock?

First day with M8, feel battery is draining fast

i feel like my battery is draining fast, i havnt done much today on the phone only a little over an hour of screen on time, and not sure if its normal but was at the movies and my phone was pretty warm in my pocket doing nothing
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First day? You might try a couple of charges before hiding it. It's not terrible. About 4 hours of screen on in 21 hours is not that bad for first charge.

I notice from the screenshot that your 4G reception is pretty poor (only 1 bar). The radio is by far, the biggest drainer of battery life. So that being considered, your battery life isn't bad.

jlevy73 said:
I notice from the screenshot that your 4G reception is pretty poor (only 1 bar). The radio is by far, the biggest drainer of battery life. So that being considered, your battery life isn't bad.
Click to expand...
Click to collapse
but should that matter when im on wifi? and my s5 didnt have that problem with pretty much the same reception

iamloco724 said:
but should that matter when im on wifi? and my s5 didnt have that problem with pretty much the same reception
Click to expand...
Click to collapse
It's going to be more efficient on Wifi. Low signal won't do much, but when it has to constantly search it drains fast.
Here's mine, had it since April 1st and the battery has been consistent.

Doesn't my held awake time seem high? It's higher then my screen on time all I did on the phone today was text, go on Facebook on and off and browse the Web a bit

iamloco724 said:
i feel like my battery is draining fast, i havnt done much today on the phone only a little over an hour of screen on time, and not sure if its normal but was at the movies and my phone was pretty warm in my pocket doing nothing
I have the same problem with my New M8 which I just bought 2 weeks ago.
My situation is the fully charged battery will drain out 20% of power after 6hours sleep. I am pretty sure I turned off all apps before going to bed.
Click to expand...
Click to collapse

[email protected] said:
iamloco724 said:
i feel like my battery is draining fast, i havnt done much today on the phone only a little over an hour of screen on time, and not sure if its normal but was at the movies and my phone was pretty warm in my pocket doing nothing
I have the same problem with my New M8 which I just bought 2 weeks ago.
My situation is the fully charged battery will drain out 20% of power after 6hours sleep. I am pretty sure I turned off all apps before going to bed.
Click to expand...
Click to collapse
Battery savings can be had by making sure the display brightness is set to auto. Tbh your battery drain looks normal. There's loads of stuff going on the background when WiFi is on. You can cut some of it down by turning WiFi off when you don't need it and going to your account settings and unchecking some of the sync items you don't need.
I find the battery life suprisingly good considering how long I have the screen on sometimes. I've had full days out of it with constant use . Normal use I'll get 2 days easy.
Also I find this the best battery monitor app. The easy to read timeline graph shows exactly when and where the drain is. https://play.google.com/store/apps/...edium=organic&utm_term=battery+monitor+widget
Click to expand...
Click to collapse

ashyx said:
[email protected] said:
Battery savings can be had by making sure the display brightness is set to auto. Tbh your battery drain looks normal. There's loads of stuff going on the background when WiFi is on. You can cut some of it down by turning WiFi off when you don't need it and going to your account settings and unchecking some of the sync items you don't need.
I find the battery life suprisingly good considering how long I have the screen on sometimes. I've had full days out of it with constant use . Normal use I'll get 2 days easy.
Click to expand...
Click to collapse
I keep brightness almost all the way down due to sensitive eyes, and I have nothing syncing
Click to expand...
Click to collapse

iamloco724 said:
ashyx said:
I keep brightness almost all the way down due to sensitive eyes, and I have nothing syncing
Click to expand...
Click to collapse
So you unchecked all the sync options for your Google account?
Click to expand...
Click to collapse

ashyx said:
iamloco724 said:
So you unchecked all the sync options for your Google account?
Click to expand...
Click to collapse
Yup
Click to expand...
Click to collapse

Convert to GPE and install a custom kernel and you will get much better battery.
Sent from my HTC One_M8 using Tapatalk 2

I only get 3 hours tops of screen on time. Seems too little, from what I've been reading. I have wifi, mobile data and GPS always on and mostly use 4g since I don't have wifi at work. Is this normal?
Some GSam battery monitor screenshots :
http://forum.xda-developers.co...
http://forum.xda-developers.co...
Cheers

Standby drain

When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the Samsung Galaxy S7's battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.
Then, drop a comment if you have anything to add!

hi there. got my s7 few days ago and it sleeps like a baby hehe 1% lost in 6 hrs
Sent from my SM-G930F using Tapatalk

I lost 10% of battery the past two nights. I have the always on feature turned on tho.

The mine 0,5% a hour
Inviato dal mio SM-G930F utilizzando Tapatalk

I typically lose about 4-5% overnight. Not bad, but not as good as a Nexus

I have a massive batterydrain in standby when I am connected to WiFi. When I'm on mobile data I have no batterydrain at all in standby
I don't have a clue why it is like this

I lose 18% over 8 hours. Maybe I'll try turning wifi off tonight. That said, battery life overall seems really good. No problems whatsoever getting through a full day on one charge.

fredriks said:
I have a massive batterydrain in standby when I am connected to WiFi. When I'm on mobile data I have no batterydrain at all in standby
I don't have a clue why it is like this
Click to expand...
Click to collapse
Go to WiFi > more > keep WiFi on during sleep > off
More than likely your WiFi is causing the drain by the always scanning feature turned on

captobie said:
I lose 18% over 8 hours. Maybe I'll try turning wifi off tonight. That said, battery life overall seems really good. No problems whatsoever getting through a full day on one charge.
Click to expand...
Click to collapse
Yes, do try that. It would be interesting for me too to know.
chungdae said:
Go to WiFi > more > keep WiFi on during sleep > off
More than likely your WiFi is causing the drain by the always scanning feature turned on
Click to expand...
Click to collapse
Have that setting now but should not have to. On my S6 I have it allways on and there is no batterydrain problem.

with heavy use, 2 days battery life without charging. and also its charging is pretty fast too

I loose 1% over a 7h night on plane mode.
SM-G930FD

I bearly loose 1% per night (wifi on/always on display). Even in heavy use, the battery doesn't give up that easy...

shekinah said:
I bearly loose 1% per night (wifi on/always on display). Even in heavy use, the battery doesn't give up that easy...
Click to expand...
Click to collapse
What tweaks/optimizations do you have? Exynos version or SD820?
I have the SD820 with package disabler pro and greenify and I lose about 5% overnight...
Sent from my SM-G930V using XDA-Developers mobile app

gleggie said:
What tweaks/optimizations do you have? Exynos version or SD820?
I have the SD820 with package disabler pro and greenify and I lose about 5% overnight...
Click to expand...
Click to collapse
Hey man,
I have the exynos version. Still on stock, i just used "package disabler pro" - as you do - to get rid of all the bloatwares and apps i don't use.
Oh, and i don't know if that's relevant, but i disabled the fast charge, in order not to preserve the - non switchable - battery, it still charges quite fast.
I've checked three times now, i was never below 99% when i woke up.
Hope it helps.

shekinah said:
Hey man,
I have the exynos version. Still on stock, i just used "package disabler pro" - as you do - to get rid of all the bloatwares and apps i don't use.
Oh, and i don't know if that's relevant, but i disabled the fast charge, in order not to preserve the - non switchable - battery, it still charges quite fast.
I've checked three times now, i was never below 99% when i woke up.
Hope it helps.
Click to expand...
Click to collapse
only lost 1% with Always on Display? That doesn't sound right
I lose about 2-3% over night without Always on Display

vhc said:
only lost 1% with Always on Display? That doesn't sound right
Click to expand...
Click to collapse
Yet this is. I just turn the phone back (with the screen hidden) so that the "always on" doesn't turn on.

I am having massive battery drain
My phone drops 20% in 2 hours on standby and I'm at my wits end trying to figure out why android os is taking 500mb of data a day

20% Over night absolutely not normal!
Have to recharge phone twice a day.
I am on stock and cannot apply root (this is company phone).
When I had Nexus 5, battery drain was not so horrible.

Here is a picture of my battery drain
From start I have WiFi on and then I turn WiFi off and the battery drain stops
Can't understand why WiFi is draining my battery like this ?
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Skickat från min SM-G930F via Tapatalk

Anyone wanna explain wtf is going on with this, I don't have any backing up turned on. No syncing no diagnostics uploading. No Google photo no Google Drive, all of that disabled with tons of apps disabled with package pro disabler
Sent from my SM-G930T using XDA-Developers mobile app