Database Users

ATT - battery just isn't cutting it

No matter what I do the battery will not last me a full day. A full day for me is about 18 hours. I use my phone almost none at all while at work and I use juice defender to keep data and wifi off while I am not using the phone. I would say 80% of my day is wifi and only a little is LTE. I monitor my task usage and the only thing that ever shows up is screen...there are other apps but very little usage. I use auto brightness. Could that be it? Unless JD doesn't work well with these phones, I just can't figure out what it is. Unless of course its just normal...
Phone has to last me 18 hours with moderate usage. If it doesn't, I need another phone.

Post some screenies?
Sent from my SAMSUNG-SGH-I747 using xda premium

The big killer of battery life is when LTE doesn't have a good signal (inside a large building). Connecting and reconnecting to the tower is what always kills my battery. I suggest you look and try those "turn of LTE" hacks around. My battery lasts me about 20 hours with moderate usage (but I am always in a great LTE location), and about 12 hours with heavy usage.

As long as your signal (wi-fi, LTE, HSPA, whatever it may be) remains good, you should have amazing battery life. I often take my phone out for 16-17 hours between charges and have ended the day with anywhere from 60% to 25% of the battery life, ranging from light to moderate usage.
For me, an average day is on wi-fi for at least 90% of the time, but a recent trip I had to Chicago (LTE all day, no wi-fi) showed similar results - and that was with some more moderate use while traveling! Not sure if there is much you can do about your signal, but I know my last phone (Captivate) got worse signal in my pocket vs. on my desk. SIII doesn't seem to be having as much of an issue, but still something to consider if necessary in your case.

I live in Dallas and have great LTE.

I just copped the sgs3 today and have not put it down my batt isn't that bad. 8 hours st8 on it lol
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OP, one suggestion I have...
What makes this phone a winner over my One X is the removable battery. I believe you can get a second stock battery for about $30, and I saw a charger and battery for around $40 earlier. Maybe you should pick up a spare? I realize it's not ideal, but it's an option.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

I'm in Vegas, lte rocks and I use my phone constantly. I can't get 4 hours so I just ordered an Anker 2200mAh.
I'm not on wifi but the Lte network in Vegas flies too which is just an additional $$. I've just got juice defender ultimate. I know a lot of people swear by it but I can do it better and faster myself. I'm a heavy user and if we could just turn off the Lte u and then maybe slow down the processor., I would be fine. It's ridiculous we still need additional batteries.
Whenever I leave my house I do the following in settings.
Power Savings I now just leave on.
I either completely Restrict background data or you can do by application in Data usage and go into Accounts and Sync and turn most off. Anything not Google is off and under Google I just sync my calendar, address and Gmail.
Now if we can turn off Lte, I will be fine I think.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

tuffluck said:
No matter what I do the battery will not last me a full day. A full day for me is about 18 hours. I use my phone almost none at all while at work and I use juice defender to keep data and wifi off while I am not using the phone. I would say 80% of my day is wifi and only a little is LTE. I monitor my task usage and the only thing that ever shows up is screen...there are other apps but very little usage. I use auto brightness. Could that be it? Unless JD doesn't work well with these phones, I just can't figure out what it is. Unless of course its just normal...
Phone has to last me 18 hours with moderate usage. If it doesn't, I need another phone.
Click to expand...
Click to collapse
I'm pretty happy with my battery...
Stock AT&T SGS3 rocking KT747

Once I stopped useing the XDA dev app that was hitting my CPU at a constant 30% I have been getting great battery.
Screen brightness on 100% as well.

Yup
Just put it on the charger as I took the screenshot.
Sent from my AOKP'd SAMSUNG-SGH-I747 using Tapatalk 2

I was running rom that was supposed to be stock but debloated and I installed the cpu1 sleep apk and I got horrible battery life. 5 hours and I was completely dead. I could not see any partial wakelocks. I was about ready to box up the phone and ship it back to Amazon. I flashed back the complete stock rom and I got great battery life. 12 hours, 3 phone calls, 3 push mail accounts, yahoo checks every 15 minutes, 1 hour streaming and the Windows Weekly podcast and I still had 65% left. I was moving so I didn't get a chance to browse or do work crap on it.
Hell with it, I'm staying stock till CM9/10 gets most of the bugs worked out.

Artimus009 said:
I'm pretty happy with my battery...
Stock AT&T SGS3 rocking KT747
Click to expand...
Click to collapse
Mine is about the same, but that isn't good for me. I am 7am-3am daily. There is no way your battery is making it 20 hours, just like mine.

How do you take a screenshot?

Swype with your whole hand from right to left
Sent from my SAMSUNG-SGH-I747 using xda premium

I live/work just outside of an LTE area, and lately have been using my phone pretty light due to not being able to use it at work other than when I'm on lunch. I get almost no signal in my entire building, so 75% of the day I turn airplane on so my battery doesn't get raped.
So for me and my use recently, the battery has been doing good enough for me.
the standby thing raping my battery is weird,same thing with maps even though i never use it... but i guess both are common. Chrome use was at 3% and i forgot to check screen on time.
On the current charge I'm siting at 47% at almost 24 hours, about 1hr 15 mins of screen on time. 30 mins of voice, 10 of chrome...but i accidently unplugged the phone right before i went to sleep last night instead of starting this morning, and i just took a nap so again there is a lot of sleep time
Take all that for what it's worth, which I have no idea lol

tuffluck said:
How do you take a screenshot?
Click to expand...
Click to collapse
Actually its more of a judo chop on the left side and then slide to the right while maintaining constant contact with the screen.... Of course the easy easy way is to just hold home+power for 2 seconds
Sent from my Sprint GS3

Bowsa2511 said:
Swype with your whole hand from right to left
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Thanks but holy **** that sucks! Being 6'6" with big hands prolly doesn't help. Here goes..

gedster314 said:
I was running rom that was supposed to be stock but debloated and I installed the cpu1 sleep apk and I got horrible battery life. 5 hours and I was completely dead. I could not see any partial wakelocks. I was about ready to box up the phone and ship it back to Amazon. I flashed back the complete stock rom and I got great battery life. 12 hours, 3 phone calls, 3 push mail accounts, yahoo checks every 15 minutes, 1 hour streaming and the Windows Weekly podcast and I still had 65% left. I was moving so I didn't get a chance to browse or do work crap on it.
Hell with it, I'm staying stock till CM9/10 gets most of the bugs worked out.
Click to expand...
Click to collapse
I had the same issue, then discovered that going through a charge cycle fixes the issue. I got only 5.5 hours of use off my first charge (80% of the time on standby), but things improved enormously after recharging it to some extent, then unplugging it. See my post http://forum.xda-developers.com/showpost.php?p=28742643&postcount=297
I've had my phone unplugged for an hour now after the last partial charge, and it's actually gone from 48% then to 51% now, as the battery is still recalibrating.

jdhommert said:
the standby thing raping my battery is weird,same thing with maps even though i never use it... but i guess both are common.
Click to expand...
Click to collapse
The cell standby reading is a bug in the software, it is reading something like 10 times higher than it is supposed to.

Advice on Battery

Hello All,
I'm in need of advice if this is down to battery calibration or I have a faulty battery.
I got a replacement Nexus 4 3 days ago and I have been using it as normal. But I have noticed something strange going on with it.
I charged my phone to 100% and put my phone into airplane mode overnight, as I did with my Galaxy Nexus (It saves battery and I have a house phone for emergencies if somebody wants to contact me). I wake up the next morning around 9 hours later, I lose 1% battery which is normal, but when I use the phone for, say, 20 seconds, the battery instantly drains down to 95%. When I turn the screen off, and leave it until I get into work. I get into work 30 minutes later, turn the screen on and use it for a further 40-50 seconds, the battery then goes down to 92%, and the same thing goes throughout the day. I'm currently at 77% which only 12mins screen on time.
Would this be down to calibration? I haven't actually calibrated the battery and I rooted and flashed a custom ROM on the first day.
I had similar issue on my old, broken Nexus 4 so its not a coincidence.
Any help is appreciated.
-N

I wouldn't worry about it. It's common with new phones (and new ROMs mind you) for the battery life reading to be a bit weird. Ultimately you'll still get the same battery life as normal, it's just the reading that will take a little time to become accurate as it calibrates itself.
Try Batterycalibration:
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
When I first got an extended battery for my old Xperia X10 I would often see the battery life *apparently* going up after going down, without actually charging.

OverTheBelow said:
I wouldn't worry about it. It's common with new phones (and new ROMs mind you) for the battery life reading to be a bit weird. Ultimately you'll still get the same battery life as normal, it's just the reading that will take a little time to become accurate as it calibrates itself.
Try Batterycalibration:
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
When I first got an extended battery for my old Xperia X10 I would often see the battery life *apparently* going up after going down, without actually charging.
Click to expand...
Click to collapse
Thanks for this. I'll check it out.

Reminds me about HTC Sensation. It behaved so strangely with the battery readings. Jumped many percentages at once, or stayed at 100% for a while. Also after rebooting, the reading might have been quite different each reboot.
I truly, deeply, did NOT like it. It was horrible to keep track of the real juice level the battery had.
So I wonder if anyone else is seeing this behavior?

weird im getting 2 days usage with average use im really happy with the phone and battery

Fihlvein said:
Reminds me about HTC Sensation. It behaved so strangely with the battery readings. Jumped many percentages at once, or stayed at 100% for a while. Also after rebooting, the reading might have been quite different each reboot.
I truly, deeply, did NOT like it. It was horrible to keep track of the real juice level the battery had.
So I wonder if anyone else is seeing this behavior?
Click to expand...
Click to collapse
Same with me when I had a sensation. It would also randomly turn off.
Sent from my Nexus 7 using xda premium

Nitroz said:
Hello All,
I'm in need of advice if this is down to battery calibration or I have a faulty battery.
I got a replacement Nexus 4 3 days ago and I have been using it as normal. But I have noticed something strange going on with it.
I charged my phone to 100% and put my phone into airplane mode overnight, as I did with my Galaxy Nexus (It saves battery and I have a house phone for emergencies if somebody wants to contact me). I wake up the next morning around 9 hours later, I lose 1% battery which is normal, but when I use the phone for, say, 20 seconds, the battery instantly drains down to 95%. When I turn the screen off, and leave it until I get into work. I get into work 30 minutes later, turn the screen on and use it for a further 40-50 seconds, the battery then goes down to 92%, and the same thing goes throughout the day. I'm currently at 77% which only 12mins screen on time.
Would this be down to calibration? I haven't actually calibrated the battery and I rooted and flashed a custom ROM on the first day.
I had similar issue on my old, broken Nexus 4 so its not a coincidence.
Any help is appreciated.
-N
Click to expand...
Click to collapse
I just thought its normal, for the first couple cycles, and since I flash a rom quite often was hard to pinpoint any of my battery drain problems, eventually though I found that my battery drain issues, were from the CPU not switching back to the 384mhz slot properly, set my min cpu speed with voltage control and now my drain issues are fixed, and I dont have those haywire readings.

OverTheBelow said:
I wouldn't worry about it. It's common with new phones (and new ROMs mind you) for the battery life reading to be a bit weird. Ultimately you'll still get the same battery life as normal, it's just the reading that will take a little time to become accurate as it calibrates itself.
Try Batterycalibration:
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
When I first got an extended battery for my old Xperia X10 I would often see the battery life *apparently* going up after going down, without actually charging.
Click to expand...
Click to collapse
Calibrating the battery with that app does nothing. The reason you see the battery graph go up without charging after usage is because the graph is more of an "estimate". If you are using it extremely heavily for a long period of time it will give an "estimate" of where it is and then when you stop using it, it will realize it is no longer under load and appear to "recharge".
Sent from my Nexus 4 using Tapatalk 2

maniAK- said:
weird im getting 2 days usage with average use im really happy with the phone and battery
Click to expand...
Click to collapse
Is your phone in airplane mode?
Sent from my Nexus 4 using xda premium

Locksmith81 said:
Is your phone in airplane mode?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
haha nope only have it in 3G if ii used 2G and juicedefender i could probably get 2.5 days out of it then, all i did was 5 complete charges and discharges when i got the phone and only use wall charger not USB charge

How many hours do you end up getting out of it before it dies? And what settings do you get out of that?
I don't pay attention to my battery every few minutes, but look at what I get out of a whole day. Depending on usage, I get 2% to 8% drain per hour. On average, it's closer to 6%. Hope that helps.

The day I calibrated my battery (the second day after I bought the Nexus 4 last week):
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haha, took another half an hour after that of the phone just idling with screen on full brightness till it finally shut off.

OverTheBelow said:
The day I calibrated my battery (the second day after I bought the Nexus 4 last week):
haha, took another half an hour after that of the phone just idling with screen on full brightness till it finally shut off.
Click to expand...
Click to collapse
How do you get it down to 1%? Mine always shuts off when it's about 3% and doesn't let me keep it on.

Just power it back on after shutdown. I get quite about more juice out of it.
BTW, noticed that it uses far less power over the weekend, when at home and constantly on WiFi. I have a feeling the signal amplifier is not very efficient.
Sent from my Nexus 4 using xda app-developers app

anyone has sudden battery fall problem?

This morning i woke up the battery was at 92
when i turn on wifi and browse for like
a minute the battery falls to 87
the phone was brand new stock rom and kernel
Sent from my Nexus 4 using xda app-developers app

I would say these things happen, atleast to me also. Best bet is to look at longer time intervals and average the battery usage. Install Better Battery Stats and it can help give you a general idea of what is causing battery drain.
I've had the phone go 10 hours in overnight and not budge from 100% and show a similar drop to what you''ve had on light use after.

sucre213 said:
This morning i woke up the battery was at 92
when i turn on wifi and browse for like
a minute the battery falls to 87
the phone was brand new stock rom and kernel
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
I had this exact problem and RMA'd. It may be an issue of power cycling the battery so many times but I didn't want to take the chance. My new phone has a strong battery that lasts 5 hours on average.

avink said:
I would say these things happen, atleast to me also. Best bet is to look at longer time intervals and average the battery usage. Install Better Battery Stats and it can help give you a general idea of what is causing battery drain.
I've had the phone go 10 hours in overnight and not budge from 100% and show a similar drop to what you''ve had on light use after.
Click to expand...
Click to collapse
So do you want to replace it ? To be honest, the battery is the only issue i found about this phone . I mean for a phone that has 2100mAh battery and 28nm CPU, the battery performance is only a little bit better than my i9000, that's disappointing...

dralways said:
I had this exact problem and RMA'd. It may be an issue of power cycling the battery so many times but I didn't want to take the chance. My new phone has a strong battery that lasts 5 hours on average.
Click to expand...
Click to collapse
I was going to say these forums have the worst reasons to RMA. Then I saw the username and suspicion was confirmed.
Sent from my Nexus 4 using Tapatalk 2

sucre213 said:
This morning i woke up the battery was at 92
when i turn on wifi and browse for like
a minute the battery falls to 87
the phone was brand new stock rom and kernel
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Had the same issue b4 getting it bricked... sent for RMA !

joshnichols189 said:
I was going to say these forums have the worst reasons to RMA. Then I saw the username and suspicion was confirmed.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
Lmfao what the hell is your problem, kid?
PUBLIC ANNOUNCEMNET, THIS CREEPY KID FOLLOWS MY POSTS ON XDA JUST TO POST BRAINLESS, SPINELESS REAPONSES TO MINE. PLEASE BEWARE!

sucre213 said:
This morning i woke up the battery was at 92
when i turn on wifi and browse for like
a minute the battery falls to 87
the phone was brand new stock rom and kernel
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
its the battery bug...hops in between... if this time is ur only problem....it may not come back again....
dont rma just for that... if it comes often then u can

dralways said:
Lmfao what the hell is your problem, kid?
PUBLIC ANNOUNCEMNET, THIS CREEPY KID FOLLOWS MY POSTS ON XDA JUST TO POST BRAINLESS, SPINELESS REAPONSES TO MINE. PLEASE BEWARE!
Click to expand...
Click to collapse
Lol you are some kind of self centered to think someone follows you around. You just happen to post useless information in almost every. Single. Q/A thread.
Sent from my Nexus 4 using Tapatalk 2

Off topic I know but if anyone knows of an option to block a member on this forum so that their posts become invisible, please PM me.
Edit: nevermind figured it out, had to use browser.

sucre213 said:
This morning i woke up the battery was at 92
when i turn on wifi and browse for like
a minute the battery falls to 87
the phone was brand new stock rom and kernel
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Its probably because you turned on wifi at that point, while you were browsing the phone is also checking for updates in the background

I've definitely had this problem.
I was getting really good battery life. I've had GSam battery monitor installed since opening and my average is showing at 21h 18m. Yet in the past 2 or 3 days the battery life has fallen off a cliff. I've had about 7.5hrs use so far today, with well under an hour of screen on time, and yet am at 30%.
The big change is battery drain in inactive states. I used to be able to leave it unplugged overnight and the GSam graph would basically be flat. I might lose 1 or 2 per cent. The other night I lost 40%.
The main differences in the GSam app usage section is that the Kernal (Android OS) is now sky high (13.2% for today). I'd hardly registered that as anywhere near a top used before. Chrome seems to be eating up background battery too now, whereas it never used to.
The only change in usage is that I bought a Maxell Qi charging pad, and have used it once or twice. I have to admit, I'm a little concerned. For now, I'm currently on stock everything.

I have same problem whit my Nexus 4.
I charged it today from 15% to Full and then unplugged it and gone to caffe bar whit my friend for a 3 hours and then went home.
That means my Nexus 4 was full time on sleep mode,but when i checked battery % its was on 97% thats pretty much for standby isnt it??
Mediaserver was on top whit 85% and Sleep mode was second whit 10%.
But i think i found solution for this battery drainage.
1.If you have battery drain issue turn off you Nexus 4.
2.Let it be off for an 1 or 2 hours.
3.Turn it on.
4.There should be no Mediaserver battery drain.
NOTE:If you turn you device off again for 1 or 2 hours problem will come back.
For now problem is somehow solved for me whit this Turning off for several hours.
Please report if there is success!!

Actually dropping tot 97% in 3 hours of standby does not sound like a problem. Also depends a lot on the signal quality during standby.
Dropping from 100% to 98-97% goes very quick on my phone. That's a matter of calibration of the battery meter. After that little drop it works like I expect it would.
Remember that the percentage is just an interpretation of battery voltage expressed in percentages. It's an estimation instead of an exact figure.

My nexus was dying after 3-4hrs of standby....with no use and data/WiFi off.
Also seemed like the phone took forever to charge. It got to a point that I turned it off to ensure I would be able to make 1 or 2 short calls during the day
It also stayed burning hot.
RMAd it and new phone has No issues.
Easily gets through day and night with very heavy use. I still haven't updated to 4.2.1.
Sent from my Nexus 4 using xda app-developers app

Okay so here is my screenshots.
One from early morning and after work.
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Sorry for Croatian i forgot to change to English in settings.

Karlo666 said:
Okay so here is my screenshots.
One from early morning and after work.
Sorry for Croatian i forgot to change to English in settings.
Click to expand...
Click to collapse
I'm confused. What's your issue? If I had 16 hours use with only an 8% drop in battery I would be ecstatic. I'd have about 75% use during that time ... on a good day. On a bad day, it would have died after 12 hours.

stenard said:
I'm confused. What's your issue? If I had 16 hours use with only an 8% drop in battery I would be ecstatic. I'd have about 75% use during that time ... on a good day. On a bad day, it would have died after 12 hours.
Click to expand...
Click to collapse
Dont you read?
I left phone home not useing it at all and its full time sleep mode

My battery is acting weird lately as well. It actually went up charged to 98% to charged in the span of one hour
what the heck?

Mine fell like that when I went out in the cold. 30% in one minute. Then I stayed on 3% for 45 minute till I found a charger. Hmmmmm
Sent from my Nexus 4 using Tapatalk 2

My G2 is getting Crap battery life!

Hi Guys,
My LG G2 D802 is getting totally unacceptable battery life. I've tried everything but I just don't know what's killing the battery. I've actually got 4 hours screen time max (which is average for the G2) but I was expecting much more. Today, I've barely got 2 hours 45 mins screen time and 22% left... This is just mostly from reading facebook, xda, news apps etc. I've even turned sync to a minimum and am using easy battery saver so when my screen if of, data is off and syncs once every 30 mins for 15s. I have no idea why Android OS and especially Android System( in screenshots below, its used almost 50% of the battery).
What to do? I've attached screenshots of my battery usage and better battery stats.
Thanks
Sean
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honestly thats about what I get.....stop comparing your stats to other. most of the time the people that have huge screen on time is because they stay in wifi areas all day, turn down brightness to 0 and turn off syncing completely.

G1_enthusiast said:
honestly thats about what I get.....stop comparing your stats to other. most of the time the people that have huge screen on time is because they stay in wifi areas all day, turn down brightness to 0 and turn off syncing completely.
Click to expand...
Click to collapse
I have sync on absolute min... I've disabled it almost... I was expecting much more from the G2... Even my old Xperia Z1 got 3 hours screen time.. I was at least expecting 5... Anyways, I've always got a strong signal (mostly 3G+4G) and use wifi for 1-2 hours a day so I really cannot understand that.
Also, I'm quite sure that the Android System and OS shouldn't be using so much battery... Something is definetly wrong there...

G1_enthusiast said:
honestly thats about what I get.....stop comparing your stats to other. most of the time the people that have huge screen on time is because they stay in wifi areas all day, turn down brightness to 0 and turn off syncing completely.
Click to expand...
Click to collapse
Not so. I get 5-6hrs screen on and usually go about 16-18hrs between charges. On the heavily modded stock rom. I have Facebook/Twitter & 2 email accounts and only control syncing with battery guru. I'm never on WiFi because my ISP stinks. I live in a great 4g area and have unlimited data so that's what I use.
Sent from my VS980 4G using Tapatalk

garywojdan81 said:
Not so. I get 5-6hrs screen on and usually go about 16-18hrs between charges. On the heavily modded stock rom. I have Facebook/Twitter & 2 email accounts and only control syncing with battery guru. I'm never on WiFi because my ISP stinks. I live in a great 4g area and have unlimited data so that's what I use.
Sent from my VS980 4G using Tapatalk
Click to expand...
Click to collapse
that helps too, I live in Hawaii, tmobile signal here sucks.

Have you tried uninstalling/disabling any bloatware or apps you don't use?
Did you make sure your location services are turned off?

yyz123 said:
Have you tried uninstalling/disabling any bloatware or apps you don't use?
Did you make sure your location services are turned off?
Click to expand...
Click to collapse
I haven't disabled or uninstalled bloatware but I don't use it... Still I shouldn't be getting this much battery usage from android system... Can someone put up a picture of their daily usage especially the % ?
Thanks

Sean473 said:
I haven't disabled or uninstalled bloatware but I don't use it... Still I shouldn't be getting this much battery usage from android system... Can someone put up a picture of their daily usage especially the % ?
Thanks
Click to expand...
Click to collapse
If you haven't already, I recommend you download the Gsam Battery Monitor app (available in playstore).
Take screen shots of every menu in that app after you've used your phone from 100% down to 10% and post in this comparative analysis thread.
For your reference, I get anywhere between 4hrs to a maximum of 6hrs of screen-on time depending on usage.

get cpu spy and check what frequency your cpu is at most of the time when not sleeping.
try a couple of battery depletion then charge till full cycles. If no improvement factory reset and try from there.
turn off gps/bleutooth/carrier iq if its enabled btw.
Sent from my LG G2 using xda app-developers app

bachera said:
get cpu spy and check what frequency your cpu is at most of the time when not sleeping.
try a couple of battery depletion then charge till full cycles. If no improvement factory reset and try from there.
turn off gps/bleutooth/carrier iq if its enabled btw.
Sent from my LG G2 using xda app-developers app
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I have disabled GPS Bluetooth etc... I do however need Bluetooth sooner or later as I have a Sony SW2...I'm gonna root and greenify stuff.. Lets see if that helps!
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Having 1 bar of signal is probably killing your battery
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I remove almost every bloated lg app from stock rom. But with 1 hour screen time with max 30% brightness screen is not the bigger drainer. It is android system with 37% usage. Processor worked 5 minutes, waking was 4 minutes. Yet how this could be bigger drainer than one hour screen time.

kapybarus said:
I remove almost every bloated lg app from stock rom. But with 1 hour screen time with max 30% brightness screen is not the bigger drainer. It is android system with 37% usage. Processor worked 5 minutes, waking was 4 minutes. Yet how this could be bigger drainer than one hour screen time.
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This is the thing which I can't understand..
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How often have you ran it down to 10%?
Are you using the OEM charger?
If you have like a 1000mah or 550mah charger, I'd try doing a slow charge overnight (it'll take 4hrs on a 550mah charger) to see if your battery life is improved.

yyz123 said:
How often have you ran it down to 10%?
Are you using the OEM charger?
If you have like a 1000mah or 550mah charger, I'd try doing a slow charge overnight (it'll take 4hrs on a 550mah charger) to see if your battery life is improved.
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I've been draining down to below 10% each time I've used it (5-6 times)... When I root later, shall I use one of those battery calibration apps? Trickle charge is out of the question for me as I don't have time at night to charge it and I use the OEM charger always... Let me root, try greenify some stuff and see if it helps...

Sean473 said:
I've been draining down to below 10% each time I've used it (5-6 times)... When I root later, shall I use one of those battery calibration apps? Trickle charge is out of the question for me as I don't have time at night to charge it and I use the OEM charger always... Let me root, try greenify some stuff and see if it helps...
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You don't have time at night when you sleep?

yyz123 said:
You don't have time at night when you sleep?
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I don't like leaving stuff on the charger and going to bed... I usually forget to turn it off

it should help recondition. just keep it on charger half hour after it says its charged.
At this point I would recommend doing a factory reset on a full stock rom. On earlier phones debloating could have caused a lot of errors and thus weird stuff happening we want to eliminate that. So going back to full stock might be last way of eliminating all else. After that I think hardware issue.
on full stock seek ways to disable that iq cartier, disable locations and switch off gps etc. Perhaps via recents, go to task manager then menu bitton and services. Disable all you dont use and check battery life.
this is all I know.
btw, this is first phone I didnt need to debloat to get amazing life
Sent from my LG G2 using xda app-developers app

bachera said:
....
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But isn´t debloating something to improve battery life little bit? Because all LG system stock apps drain quite a lot from battery.

amazing battery life for me
Iv been having amazing battery life. Yesterday from 7am-11pm the phone only got down to 47%. Of course with everything shut off untill im on wifi at home and when im not using data i shut it off. The one thing i know that uses wayyyy to much battery is google now. I turn it off and clear the data and cache. I even have my brightness at 50%. Right now the phones has been on for 5 1/2hrs unplugged and its at 90%. used pandora, watched a video on adult swim app and some light browsing.

Massive battery nosedive *UPDATE* Illegal Skype monitoring?

A few days ago I tried to turn on my Nexus 7 expecting well over 50% of battery left. The device wouldn't turn on, after thinking it must have glitched I plugged it in and turned it on and noticed it was on 0% battery. Here's a screenshot.
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"lightbox_full_screen": "Full screen",
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Thinking it was some weird bug I fully charged the nexus, I also reset CPU Spy to keep a log of processor activity. Today I turned on the nexus expecting above 50% battery again, having used it only last night, to be confronted with this...
Here is the CPU Spy log for the same time period...
To me that looks fine. 93% in deep sleep, yet the battery takes a nose dive. Does anyone have any idea what's going on? This is the first 2 times it's happened, before I was getting 10+ days on a single charge without heavy usage. The nexus 7 is 100% stock.

Possibly a app update?
I was just looking through to see if anyone else had this problem and saw your thread. I was at 70% when I went to sleep last night and battery was at 0% when i woke up (more like -5% cause i had to charge it 10 minutes to get it power up at 0%). Im running unofficial omni and have never had this issue before. My only guess is its a google app that recently updated killing the battery? I cant check to see what app was using what battery percent since it shutdown but I am going to monitor my apps battery percent over the next day or two and will post if i find anything. (Im thinking g+ since that app usually takes up close to a gig of data and I had just wiped it with clean master )

I was thinking it could be an app too, I don't have this tablet rooted though so can't use better battery stats, and CPU Spy is confusing me by showing that for 93% of the time it was in deep sleep. Surely for an app to drain a battery so fast, with screen off, it would need to be out of deep sleep mode?

Your not alone. Same thing happened to me the other day. Just assumed it was Google play services acting up and didn't look any further into it. Seems to be just fine now.
Sent from my Nexus 7 using xda app-developers app

devilsmack said:
Your not alone. Same thing happened to me the other day. Just assumed it was Google play services acting up and didn't look any further into it. Seems to be just fine now.
Sent from my Nexus 7 using xda app-developers app
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Me too!

But sure if mine's better, but it may be showing signs of improvement this morning. The only thing odd I noticed was one of my Google accounts had a sync error yesterday. It didn't show up in the notifications bar, I had to look the Google accounts settings. Could be total coincidence.

If the battery lasted for 5 days then this isn't abnormal. Get wakelock , see what's hogging CPU and stuff.
Sent from my Nexus 7 using xda app-developers app

Mine has nosedived to. I usually get flat lines when the tablet is asleep but lately it's just a descending line. Awake time vs screen on time is very close so not sure what's draining it. I do notice Google search audio in is showing itself more in the partial wake lock
Sent from my Nexus 5 using Tapatalk

Yes something is definitely wrong. I fully charged my nexus again, then used it for about 3 hours of screen on time on the first day, which brought it down to about 65%, then woke up this morning about 8 hours later to see it was at 38% taking the now familiar nose dive. Once again I checked CPU Spy and the entire time it is apparently in deep sleep mode. I don't understand it.
Anyway before work I decided to turn off wifi, to rule out it being a wifi issue or sync problem, now after work I see the battery nose dive has continued on the same trajectory, down to 5% with wifi and in deep sleep mode. Now down to 2% in the time it took me to upload the image and type this out. I'm starting to think my battery might be on it's way out.
Here's a capture of todays battery stats.

So is this just on stock roms then? Or are any of you running CM or something else?

I'm fully stock. Also since first coming here to start this thread, I've unlocked my bootloader to install and lock in one of the touchscreen software images posted in these forums. Obviously I had to do a complete factory reset to unlock the bootloader. The problem has persisted.
I've now charged the phone to 12% then left it for a couple of hours. It stayed at 12%. I ran a few processor heavy apps like Quadrant to just get the battery moving and got it to 11%, left it for 30 minutes, came back and it's still at 11%. So it doesn't seem like there is an issue simply at lower percentages.
On all 3 occasions before, the battery had drop normally to around 65-55% and then just died within the space of a few hours, with no screen time or processing going on. Almost like 55-100% was actually 95% of the battery and 0-54% was actually 5%. The test I just did seems to rule that out, now I'm going to charge to 100% and see if it happens a 4th time, which might take a day or 2.
I can't think of anything that could be causing this, the only new app I've installed over the last few days was Minion Rush, but if that's causing the battery drain it's doing it in a very stealthy way both bypassing the battery stats and CPU Spy's monitoring of the CPU state.

My battery life is mediocre at best
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I thought it had gotten better but it hasn't. I used to get 3 or 4 days standby but now I'm not even making it through a day. I haven't installed our changed anything. I'm on stock rooted and I flashed those bionic and dalvik optimizations a while back but that was way before this. Anyone have any ideas?
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I'm really starting to think my battery is just on it's way out. Yesterday I charged to 100% again, after around 2.5 to 3 hours of active use, then leaving it on in standby all night then some use this morning, I got it to 62%, which is roughly the percentage where it starts to drop sharply. I went out for about 3 hours, get back check the tablet and it's at 51%, and it's started the trajectory downwards.
I've just done a restart and will see if the decent continues. If so then there is literally nothing left I can think of that would be causing it other than a bad battery.

Good news. Switched to ART and battery has been better. Going 6 hours so far and only 2% battery drain. Could be art or could be wiping dalvik that helped. I may switch back later to see if it cleared up.
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So an unusual turn of events to report. Mid nose dive I decided to do a restart and much to my surprise this stabilised the battery. Great news that it's not a physical battery problem, but now I have absolutely no idea what it is. CPU Spy still reports deep sleep mode during the dives and no stand out app shows up on the battery stats. Something fishy is going on with one of the apps.

Seems some of us experience the same issue. This became a recent issue. It wasn't like this before.
I thought it was Facebook causing the battery drain, but when I open up BBS and Wakelock detector, the tablet is in deep sleep well over the 90%.
The tablet used to last me about 5-7 days idle. Now? 2-3 days checking email, twitter, and couple minutes on Instagram. heh.

Same situation again, however this time the sharp battery decline happened a lot sooner, left tablet at 92% last night before sleeping, this morning it was at 70% on a sharp trajectory downwards. Again a reboot stabilised the battery. I'm now doing another factory reset, and will restore my account and only the most necessary apps like e-mail and skype. I did a factory reset earlier to unlock bootloader but straight after reinstalled all of my apps so one of them could be the problem. I'll post back with the results.

I had the same exact problem, my tablet would basically lose 50% over night. I was still getting decent on screen time but idle time was crap. I flashed slimkat and woke up to my tablet being at 80%. Much better Google obviously didn't do a good job on this rom for Nex7
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I'm doubting this is a ROM problem as there hasn't been an update for quite a while now and this problem only occurred for me in the last week or so. Before that I was getting over 10 days of standby time including 10-15 mins screen time a day on a single charge.