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Hi guys,
Last night I had 15% drop at the battery, wifi was off, gps was on.
From gsam i saw that the kernel drained the most.
Does anyone have any ideas how to avoid this kind of battery draining?
Few days after I got the phone I had 0%(!) battery drain at night and it was along few night, for some reason i cant reach same level of battery drain at night now.
Thanks in advance.
You have some weird apps keeping your phone awake, nova launcher? Have never seen that one in my list. Install betterbatterystats to see the wake locks in detail.
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kwibis said:
You have some weird apps keeping your phone awake, nova launcher? Have never seen that one in my list. Install betterbatterystats to see the wake locks in detail.
Sent from my Nexus 4 using xda app-developers app
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Click to collapse
I don't think that's a wakelock list buddy, it's just listing which processes used the battery the most.
Apex, run this for a few hours and post a screenshot.
Betterbatterystats is an app that shows into detail the wakelocks, alarms, frequencies etc. Don't know the app you gave, maybe it does the same.
http://forum.xda-developers.com/showthread.php?t=1179809
ok so here are the findings:
I froze news&weather since i dont use it and put taptalk on 3 hours intervals of checking.
I'll read more into BBS analysis to retrieve further information
anyone?
It doesn't seem like there are any weird wakelocks. How many hours of screen on time do you get?
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Turn off your GPS.
Why do you need it on when you're sleeping? do you sleep walk? Don't answer that. Lol
I recommend downloading this app called "greenify" and find that app and hibernate it.
Sent from my Nexus 4 using Tapatalk 2
I also installed greenify, but it just doesnt seem to work well... every now and then, when I check on greenify, I need to re-freeze the Maps App, even though I didnt start it in the mean time.
Speaking of which, why does Maps keep the phone awake that long (or wake it that often) and drain so much battery at all?
anyone got an answer to this?
My phone has a wakelock related to Google Services according to GSam Battery Monitor I installed BetterBatteryStats about an hour and 20 minutes ago to get more info on the issue and it tells me that *overflow* has kept my phone from deep sleep for about an hour. Does anyone know what this wakelock is? The power drain isn't too bad, but enough to be concerned about with a battery this big.
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I've seen people here and there say they've seen this too, but no one seems to have an answer. My battery isn't lasting until work ENDS, a far cry from when I used to plug it in after work, at home, at 20-30%. It just randomly started happening.
Noticed this on both 4.2.2 and 4.3. I've tried .48 radio and .83, stock and PA, stock kernel and Franco, heard it's common on CM also.
Anyone actually know anything about this? I'd love to last an entire day not having to turn off sync when I'm not using my phone, and other battery salvaging methods.
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jphilippon said:
I've seen people here and there say they've seen this too, but no one seems to have an answer. My battery isn't lasting until work ENDS, a far cry from when I used to plug it in after work, at home, at 20-30%. It just randomly started happening.
Noticed this on both 4.2.2 and 4.3. I've tried .48 radio and .83, stock and PA, stock kernel and Franco, heard it's common on CM also.
Anyone actually know anything about this? I'd love to last an entire day not having to turn off sync when I'm not using my phone, and other battery salvaging methods.
Sent from my Nexus 4 using XDA Premium 4 mobile app
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Click to collapse
This is < 9 hours unplugged and < 2 hours SOT.
Sent from my Nexus 4 using XDA Premium 4 mobile app
lets see a screenshot of your whole battety stats page, with all the apps listed and usage. that android os by itself means nothing.
jphilippon said:
I've seen people here and there say they've seen this too, but no one seems to have an answer. My battery isn't lasting until work ENDS, a far cry from when I used to plug it in after work, at home, at 20-30%. It just randomly started happening.
Noticed this on both 4.2.2 and 4.3. I've tried .48 radio and .83, stock and PA, stock kernel and Franco, heard it's common on CM also.
Anyone actually know anything about this? I'd love to last an entire day not having to turn off sync when I'm not using my phone, and other battery salvaging methods.
Sent from my Nexus 4 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Download wakelock detector and greenify from Play store. Wakelock detector will tell u what exactly is keeping ur phone awake and freeze it with greenify
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simms22 said:
lets see a screenshot of your whole battety stats page, with all the apps listed and usage. that android os by itself means nothing.
Click to expand...
Click to collapse
Meant to include both sorry.
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jphilippon said:
Meant to include both sorry.
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your android os looks normal. seeing that you didnt use the phone much, your screen on percent is lowered. since your screen on percentage is lower, all others will appear higher than you would think they should be. but if your screen was using 50-65% of the battery as it would for normal use, then your other percentages would be lower. anyways, your android os is normal. what i would look for is an app in the background behaving badly, or disable a notification or two if you have many. if you have root, i would install greenify and then greenify a bunch of apps.
my android os usually hangs between 4-8%, but my screen is usually around 60%(with heavy use).
simms22 said:
your android os looks normal. seeing that you didnt use the phone much, your screen on percent is lowered. since your screen on percentage is lower, all others will appear higher than you would think they should be. but if your screen was using 50-65% of the battery as it would for normal use, then your other percentages would be lower. anyways, your android os is normal. what i would look for is an app in the background behaving badly, or disable a notification or two if you have many. if you have root, i would install greenify and then greenify a bunch of apps.
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I think the proportions seem right but I've never had 1-2 or more HOUR wakelocks, it just caught my attention.
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jphilippon said:
I think the proportions seem right but I've never had 1-2 or more HOUR wakelocks, it just caught my attention.
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i never look at wakelocks, that is how our device is supposed to work. granted, occasionally an app will create a wakelock that gets stuck, but thats just bad coding on the app by that developer. watching wakelocks will waste more of your time than its worth. take control of your apps instead, dont let them run rampart.
Neither BBS or Wakelock Detector is helpful in diagnosing Android OS battery usage. Most of the time it shows as PowerManagerService.Wakelock in Kernel Wakelocks, and pages from google state that is it a sum of Partial Wakelocks adding to PowerManagerService.Wakelock. But there was one time I had a 15 hour wakelock from PowerManagerService.Wakelock and looking in Partial there wasn't anything really significant, most entries being 20mins or something at the top of the list, 10 minutes on the next, and so on.
Whatever it is, it's particularly bad on 4.3 both on my Nexus 4 and Nexus 7.
So I listened to some music for roughly 20 minutes in the car. Set my phone down to watch TV. Came back 45 minutes later and it dropped ~25%. This is WITH 3.5 hours SOT. android somehow still takes top spot. Help?
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jphilippon said:
So I listened to some music for roughly 20 minutes in the car. Set my phone down to watch TV. Came back 45 minutes later and it dropped ~25%. This is WITH 3.5 hours SOT. android somehow still takes top spot. Help?
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Click to collapse
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Everything was fine after the 4.4.2 update until a couple of days ago. I noticed a heavy battery drain during the night - approx. 20%. The conclusion I made: Android OS is back. The WiFi was on, but the router was off, so I though it might have something to do with it trying to establish a connection.
This past night I turned the WiFi off and left the 3G on. 10+ hours of wakelock from Android OS and 30% drain. So, what am I missing here?
The worst part is that those f"%^* from Android developers team has disabled any reporting from the running processes in the latest version.
Torque77 said:
Everything was fine after the 4.4.2 update until a couple of days ago. I noticed a heavy battery drain during the night - approx. 20%. The conclusion I made: Android OS is back. The WiFi was on, but the router was off, so I though it might have something to do with it trying to establish a connection.
This past night I turned the WiFi off and left the 3G on. 10+ hours of wakelock from Android OS and 30% drain. So, what am I missing here?
The worst part is that those f"%^* from Android developers team has disabled any reporting from the running processes in the latest version.
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You can use the stock google app to find what google app is running during the wakelocks. Just go into Settings -> Apps -> Running tab and see what google process are running. Then download and use "Disable Service" from the playstore to find and disable the suspect google apps.
My phone would stay wakelocked after a call or gmail check all because of gcm_google service. I disable it under Playstore services using Disable Service and my google wakelocks went away. Worth a try.
same problem here
misuse of wake locks can easily lead to energy waste
"Android os" usually is the kernel while "Android system" is, well the system. Try changing kernel, it fixed the issues for me.
Hit thanks if I helped you
I purchased a nexus 7 recently,updated to 4.3,locked and unrooted as of yet. I currently have 2 user accounts active on it. Since my first 100% charge, I have been getting tacky battery life. I follow the 100% charge and discharge till 1% method. Overnight with WiFi on and all apps closed,I'm getting a drop from 74% to 57% . Looking in the battery stats doesn't help as it doesn't show any unusual ongoing background activity. I'm also getting around 6 hours Screen on time,I could never exceed this mark. I only have the customary Google apps,Facebook,Twitter, instagram,pulse,and 3 games installed. What can be the reason of this ?
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Those apps keep running.. Also some third party apps push ads and also turn screen on, which could drain battery..
For better battery life, you can turn wifi off if not needed,.
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I tried with WiFi off one night, I got around 9% drain still. I kept the sync interval at the maximum in every data fetching app I have installed too.
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You might well try the app Better Battery Stats, and see what it believes is keeping your tablet from going into deep sleep. 9% drain overnight is not terribly excessive -- it should be more like 5%, I guess.
My 2012 nexus 7 had 51% before I went to sleep last night and when I woke up this morning it was completely dead. I didn't even get a charge icon when I plugged it in to charge. I had to leave it for an hour then tried again and it fired right up.. Hope I can see what's causing the drain with better battery stats
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I was using mine once in the morning,when the battery hit 4% it suddenly shut down. I tried to charge but the battery icon wouldn't show up. Started it finally using the tips on the Google support site. Must say,I've been plagued with battery issues. I'll try a factory reset and while on it unlock the boot loader too.
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I checked with BBS with WiFi off overnight. "PowerManagementService.wake lock" is keeping my N7 awake. Any solutions?
EDIT: I checked in partial wakelocks,AudioOut_2 was the highest at 30m runtime.
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My N10 has this 1 issues where the device keeps awake when the screen is on.
Is this normal ?
Can anyone help me
The device is stock unrooted.
ahodil55 said:
My N10 has this 1 issues where the device keeps awake when the screen is on.
Is this normal ?
Can anyone help me
The device is stock unrooted.
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Did you mean when the screen is off? Because obviously it status awake while the screen is on. But there may be an app keeping it awake. Make sure all your apps are trusted
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when the screen is on. ive never experienced this when its on Jellybean 4.3
and all the apps ive downloaded are from Google Play Store of course.
anyone ???
ahodil55 said:
anyone ???
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I'd go for a wakelock detecting app like "better battery stats" or "wakelock detector" to see which app could be the culprit. "Greenify" could then be used to block that app from keeping your tablet awake.
I personally do have no issues with standby whatsoever. I'd say I lose about 3-4% of battery during the day on 4.4. (WLAN and sync on all day, but I'm taking it to work where I have no WLAN I could use). I guess I had the same mimimum drain on 4.3. So standby couldn't be better on N10 in my opinion.
I only had one issue so far, where at about 25% of battery left it suddenly began to drain like 10-15% an hour, thus leading to my N10 shutting off after about 2 hours. No idea what caused that drain in standby.
I second that, get better battery stats or something similar to see what's keeping it awake.
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AFAIK, BBS needs root in order to use em. And i cant root the N10 as it belongs to my mother
You don't need root for bbs
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Same here...very bad battery after moving to kitkat..
This is what I get...which is atleast 50% worse off
Update :- the charging time seems to have gone up significantly for both USB and power socket.
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meletios said:
Same here...very bad battery after moving to kitkat..
This is what I get...which is atleast 50% worse off
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mhm ... will not install 4.4 if the battery life is that terrible. Did you guys control the typical Google apps, which usually like to eat a lot of battery?
I have this since 4.4.2 on my Nexus 10 and 7v2. Not on the 5. My N10 uses almost every juice for Android OS. Before it used 5% for 1-2 days for standby. Now 3 hours. See screenshot. Is this normal?
And it wasn't awake. See other screenshot.