[Q] Bad battery life - Samsung Galaxy Nexus

I'm running AOKP 20 and Franco kernel but seem to be getting really bad battery life. I see folks claiming 1% battery loss over 8-9 hours of sleep. Mine loses 12-15% while I sleep and that is with WIFI on.
I'm not real familiar with the Better Battery Stats or Battery Monitor Widget. Can I use one of those to find out what is killing my battery life?
Does anyone know of something that might be causing this or how I can find out what it is?

Rogue app? Wich Franco are you using?
Sent from my Galaxy Nexus using xda premium

I tried 14.4 but went back to 13.1 hoping things would improve. Same on both.

Better Battery Stats' ugly interface really does mask what I feel is a great app. In your case, assuming you have it installed, change the top box in the app to Kernel Wakelocks and Partial Wakelocks and see what is preventing your phone from sleeping (post the screenshots of the two pages if they mean nothing to you).
I've also found CPU Spy to be an easier to understand quick overview of what's going on with my device. It'll list out the various clock speeds my kernel has and how much time was spent in each. If you notice "deep sleep" isn't the biggest bar, you likely have something going on.

Juvenall said:
I've also found CPU Spy to be an easier to understand quick overview of what's going on with my device. It'll list out the various clock speeds my kernel has and how much time was spent in each. If you notice "deep sleep" isn't the biggest bar, you likely have something going on.
Click to expand...
Click to collapse
Yup, yup. I was going to suggest CPUSpy, it's a decent little app. My phone will spend ~60-70% of the time in deep sleep over a nine hour or so period with WiFi on.

It looks like my phone is going into deep sleep and then something is waking it up and it can't go back. These processes don't mean much to me...
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The audio out wake lock is caused by keyboard sounds, touch sounds and screen lock/unlock sounds. Turn those off.
The other wakelock seems to be your gallery syncing constantly.
Sent from my Galaxy Nexus using xda premium

Touch sounds were on, I turned those off. Why would those be waking my phone up in the middle of the night though?
How do I keep my gallery from syncing constantly? The only setting I see in the gallery options is to turn off my google account sync which I assume would turn off my gmail and other things as well?

Never mind, I found where to turn off photo sync.
Is it normal for touch sounds and gallery updates to keep your phone awake all the time? If so, what is the point of having them if they are going to eat your battery...

what franco are you using?

13.1
10 chars

Here is a screen of my overnight usage. I don't know why but I've just noticed the clock has gotten stuck. Stupid thing.
*Edit* I have a few things syncing over night, and the LED was literally flashing for the entire time, I didn't check my e-mails on purpose to see what nine and a half hours battery drain would do when that bright little LED was flashing all night, not bad I reckon!

recomand Apex rom
from bigxie
http://forum.xda-developers.com/showthread.php?t=1399238
15% after 63 hours, UV and OC

Related

Do you think this is about right?

Hi guys. I'm a bit concerned about battery life, I'm not sure whether I'm on the average or the battery drain crowd.
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Oxygen 2.1 (upgraded from 2.0.3)
Radio - 32.56.00.32U_5.17.05.08
Kernel - 2.6.35.12_r3 by thalamus
AVS is off but I've just installed the zip that turns it on at boot, so should see some improvement
What do you guys think? Reasonable power consumption as it is? Sent a few texts, went on internet (3G) a few times and made a couple of short calls.
kharekatoh said:
Hi guys. I'm a bit concerned about battery life, I'm not sure whether I'm on the average or the battery drain crowd.
Radio - 32.56.00.32U_5.17.05.08
Kernel - 2.6.35.12_r3 by thalamus
AVS is off but I've just installed the zip that turns it on at boot, so should see some improvement
What do you guys think? Reasonable power consumption as it is? Sent a few texts, went on internet (3G) a few times and made a couple of short calls.
Click to expand...
Click to collapse
I think that's alright. I normally get home from work after about 12hrs on battery at about 75-80% with some light browsing, sms and a few calls made.
If I'm completely on standby I lose around 1% per hour!
Cheers 00droid! On standby I loose very little too so I guess it's doing alright!
Wow that's so much better than mine...I'm just about to flash that kernel so will see how it goes tomorrow.
By the way, what are your settings with regards to wifi/data/screen brightness/syncing etc? Wondering if those could be impacting so drastically on my battery life...
EDIT: Just had a look at mine now, and Display is 72% usage - I've had it on auto - should I just turn it down to a very low brightness? Also, I've been on "All Animations" - will reducing this to "Some Animations" increase it somewhat?
I'm using some animations, screen brightness I've got it set at about 35% which is plenty for me and I turn wifi off unless I'm at home surfing on the net. I've also got a few hours between weather updating, then facebook, twitter and all other syncs I do manually when I open the program
I'm doing much better with my battery today turns out I had everything set to drain as much battery as possible - after 6hours of sending a few texts and downloading a couple of apps, but mostly standby, I'm on 93% - best I've ever got
@kharekatoh do you have mobile data on all the time?
i cant eek more than 8 hours out of a full battery !!!! yours is amaing
cgmorris89 said:
@kharekatoh do you have mobile data on all the time?
Click to expand...
Click to collapse
Yup it's on constantly unless wifi is turned on
8 Hours is pretty bad... must be some app sucking all the power maybe

ICS battery life vs Miui/CM

I have tried Andromadus, Desire s port and ICS for desire z. Although the battery is better with each release, it still drain really fast.
When I say drain I mean in use. Not really noticed typical 'battery drain' from background services etc.
My DD has been various versions of Miui or CM7 for a few months and the battery is great.
Loads of people are saying that battery is good on ICS but I just don't see it.
Am I doing something wrong?
Well let's start knocking stuff off a list...
For each of these, think about what it's like on ICS compared to MIUI or CM7:
Brightness setting
Screen time on
Music time
WiFi time
3G time
Browsing/syncing time
Different apps running in background (how many do you kill if any on either?)
Any apps replacing stock ones? (messaging mainly)
Number of messages
Sound/vibrate on or off
Think about if these are equal for both. I've noticed mainly and largely that my battery drain from having 3G turned on is SIGNIFICANTLY lower than on MIUI, just an example.
noneabove said:
Brightness setting
Screen time on
Music time
WiFi time
3G time
Browsing/syncing time
Different apps running in background (how many do you kill if any on either?)
Any apps replacing stock ones? (messaging mainly)
Number of messages
Sound/vibrate on or off
Click to expand...
Click to collapse
Brightness set to auto on both.
Screen set to 1 minute auto off on both. Running time is just general use (as a heavy user).
Haven't used music for a little while.
So far most of my testing was on wifi so that and 3G were left alone.
As for usage and apps. I use stock apps on both. And any apps that I added were added on both.
Vibrate/sound were mostly the same on both with haptics turned on but selection sounds off.
As far as I can tell, without testing again to get the battery stats, my usage was standard for me but ICS uses battery like a machine. Oh and no app killing.
Sent from my HTC Desire Z using xda premium
My observations are the same as yours no builds of ICS gave me more battery life than MIUI and CM roms.
I wasn't getting great battery life on ICS either until this morning when I flashed Virtuous Quattro. I'd say it's just as good as what I was getting on GB.
'Good' to see others are getting similar results.
I'll keep an eye on updates as they are bound to improve just as GB roms have.
Sent from my HTC Desire Z using xda premium
with andromadus im back at a days batterylife, with ILWT cm7 i get about 27 hours use, 7 hours is of course when im sleeping, but i get 8 hours of music with some pauses for games.
here you can see where im playing games, and when im just listening to music
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Mine hasn't been too bad. This was with AndroICS. Took it off the charger Christmas morning around 7-730am. Was out and about all day with some moderate use (ya know, to keep my sane around the family), wifi on probably half the time.
Then again I don't know how well battery stats are tracked in that ROM.

CM10.1 Battery life expanding

I have been having issues with cm10.1 "android OS" using too much battery. And i have seemed to squash out the bugs. nearly doubling screen time. (in the sense that by bed time i had about 4 hours screen time and 10% battery left and now can hit 8 hours in a day)
I am going to slowly try different things to see where hte main issues were. but here are the majority of the changes i made.
1. Wifi, this should be off during the day, simple but true. Also i noticed build.prop had wifi scan interval set to 15 instead of the recommended 120
2. Auto rotate screen, i have read this has bugs in some builds (not sure on ours) it should be disabled unless you absolutely need it, you can add a quick tile for quick toggling. (I honestly think this is the biggest cuplrit)
3. Dev options, try to have all unneeded dev options off. I had strict mode enabled, not sure if it made a difference, but its useless cpu cycles.
4. Battery apps, as helpful as they are, uninstall asap, unless you are isolating a problem they eat cpu cycles trying to figure out what is eating your cpu cycles...
5. Notification Light, its not the LED so much as it is the CPU cycles required for the timing of the led light.
6. sign out of or uninstall/freeze (disable) google talk.
7. disable gps (use quick toggle for when really needed)
8. go to system settings -> google (under accounts) -> maps & lattitude -> make sure "report from this device" is unchecked and if you dont move around a lot (aka you work really close to home) turn location reporting to either do not update, or set location...
9. and of course any other common place one, screen brightness etc...
I will slowly implement these back in to see if they cause the drain to come back.
I think its auto rotation honestly, but it could have been a combination of all of them.
I get 8-9 hours on stock 4.1.2
I get 6 hours screen time in 4.2.2 without doing any of that, and I still think that's pretty bad compared to touchwiz. I use all those functions mentioned (except gtalk) all the time, so cm10.1 is nowhere near usable as a daily driver for me.
So battery is not draining on its own anymore.
Now time to find the culprit.
If its autorotation then the cm team can fix it and that's a good thing
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Sent from my GN2 using XDA app.
simonxliu said:
I get 6 hours screen time in 4.2.2 without doing any of that, and I still think that's pretty bad compared to touchwiz. I use all those functions mentioned (except gtalk) all the time, so cm10.1 is nowhere near usable as a daily driver for me.
Click to expand...
Click to collapse
I'm not saying cm10.1 is the culprit. I'm trying to figure out what is and so I can help squash it.
Sent from my GN2 using XDA app.
I get 8-9 hours on stock 4.1.2
I use Deviant's Xone rom. Get 2 days+ of use depending on how I use my phone. Even with heavy use I get a good day out of it, at least for what I need.

Deep sleep

I don't think I have yet seen this phone in deep sleep... I even got a deep sleep battery app that turns off the radios and is supposed to put it in deep sleep but I don't think it's actually going to sleep. From what my cpu manager tells me that it's spending a lot of time at 300 mhz, but shouldn't I see deep sleep as one of the cpu frequencies?
I'm used to my android devices sitting around for hours and not losing much battery because of deep sleep, and I am wondering why this phone doesn't seem to actually sleep.
Which app? "Deep Sleep Battery Saver"? Just for fun, what's your percentage in "Settings" ➜ "Battery & Storage" ➜ "View battery usage" ➜ "Phone idle"?
Can't say much about it, because we know nothing about your overall config... but you're right, it should be below 300 MHz for deep sleep.
ofc. it's not allowed to sleep because it has to send data to the AWS servers. ^^
After about 9 hours it's listed 7 hours on phone idle, or 4% of the battery. In that 9 hours about half of my battery has been consumed.
And yes it was deep sleep battery saver, not all that impressed with it really. I have been testing other settings and configuration apps and disabling system apps, re-enable some as well at the first hint of an undesired effect.
Last year I had an android with a bad battery that I could get almost 2 days of sparse use out of but it only a few hours of normal use. So I have expectations that when I'm not using my phone it won't go dead so quickly
That's a massive leak. My device loses 2% charge in ~ 12 hours. Has it always been that much or since you went on a "removing spree"?
If you haven't experimented with an app like this in the past, try using GSam Battery Monitor (or similar) to get an in depth view.
You can install it next time the device is fully charged, so it can monitor things objectively.
Tap on "App Usage" and then from the drop down menu on the top right "View Kernel Wakelocks", maybe you'll find some clues there.
You should be able to narrow it down to see which app(s) / service(s) is / are sucking tha sweet juice. You know I've dealt with similar battery behavior but I "enforced" it on purpose by deleting crucial apps. ^^
edit: Installed "Kernel Adiutor" again and restartet the phone, let's see which CPU frequencies I get during deep sleep.
edit: Stats from 5+ hours...
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edit: Stats from 12+ hours with some internet browsing...

Question How is That Even Possible

As you can see my phone Charges pretty fast. It Charges 0 to 100 in one hour. But charge Drains fast also like 4 and half hour screen time. Im on MIUI 13 global.
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Koriam said:
As you can see my phone Charges pretty fast. It Charges 0 to 100 in one hour. But charge Drains fast also like 4 and half hour screen time. Im on MIUI 13 global.View attachment 5579973
Click to expand...
Click to collapse
That's stock MIUI, right? It's possible you have some background stuff going on that drains the battery on a regular basis. If you haven't already, try clearing your Recents view to see if that helps.
I am using Arrow OS 12.0, myself, and ended up enabling the Developer Options selection for 'kills all activities once user leaves them'. This improved my active consumption rate from being ~8-9% per hour to ~6% per hour. You can give it a try, too!
Veiranx said:
That's stock MIUI, right? It's possible you have some background stuff going on that drains the battery on a regular basis. If you haven't already, try clearing your Recents view to see if that helps.
I am using Arrow OS 12.0, myself, and ended up enabling the Developer Options selection for 'kills all activities once user leaves them'. This improved my active consumption rate from being ~8-9% per hour to ~6% per hour. You can give it a try, too!
Click to expand...
Click to collapse
Yes its stock. I couldnt find any app yet, im Still searching and looking for a help.
Oh, maybe you have the same issue that I had.
Check if the MIUI gallery is going crazy in the background. I have yet to figure out what caused that, but it wrecked havoc on my device.
Get something to view your CPU frequency in real time, normally all cores should idle at under 1000MHz with nothing else open in the background (I used CPU Float to check that).
If your little and/or middle cores appear to be clocked high, try to see if force closing the gallery and not reopening it helps. I fixed it for good only after having disabled its storage permission, ended up switching to google photos instead.
Hope this helps.
Dariusdd said:
Oh, maybe you have the same issue that I had.
Check if the MIUI gallery is going crazy in the background. I have yet to figure out what caused that, but it wrecked havoc on my device.
Get something to view your CPU frequency in real time, normally all cores should idle at under 1000MHz with nothing else open in the background (I used CPU Float to check that).
If your little and/or middle cores appear to be clocked high, try to see if force closing the gallery and not reopening it helps. I fixed it for good only after having disabled its storage permission, ended up switching to google photos instead.
Hope this helps.
Click to expand...
Click to collapse
It looks like this and going crazy up and down all the time. I force stopped gallery and remove the permission but its Still the same.

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