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
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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

Just got Nexus, having battery problems, please help

Hello all,
I just got my Nexus 2 days ago, and I think that there is something weird about my battery.
First day, with little/moderate use the charge didnt last a day (thats ok, i guess).
But i put it to charge last night, and this morning a found it only at 37%, and when i looked at the battery page, I found this:
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As you can tell from the screenshot, it was charging for a bit, but then some time later, it stopped charging, and was decharging, while charger was plugged in! Why was that?
And also, as soon as i started using the phone again, that 37% was gone in ~1 hour.
Any ideas what is happening to my phone?
Is it my battery and I need to send the phone for a replacement? (Really dont want to, because I already waited for 2 months... but if it is defected than I will have no choise)
Thanks

phemark said:
Hello all,
I just got my Nexus 2 days ago, and I think that there is something weird about my battery.
First day, with little/moderate use the charge didnt last a day (thats ok, i guess).
But i put it to charge last night, and this morning a found it only at 37%, and when i looked at the battery page, I found this:
View attachment 1671960
As you can tell from the screenshot, it was charging for a bit, but then some time later, it stopped charging, and was decharging, while charger was plugged in! Why was that?
And also, as soon as i started using the phone again, that 37% was gone in ~1 hour.
Any ideas what is happening to my phone?
Is it my battery and I need to send the phone for a replacement? (Really dont want to, because I already waited for 2 months... but if it is defected than I will have no choise)
Thanks
Click to expand...
Click to collapse
Did you happen to lose power at all in the middle of the night?
Sent from my Nexus 4 using xda premium

nbeebe24 said:
Did you happen to lose power at all in the middle of the night?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
No, because you can still see green charging bar at the bottom...

phemark said:
No, because you can still see green charging bar at the bottom...
Click to expand...
Click to collapse
I meant in your house.
Sent from my Nexus 4 using xda premium

nbeebe24 said:
I meant in your house.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
I think it wouldnt say it was charging, if there was no power in the house, would it?
And just to be clear, i had power when i woke up, so it would show 30mins of charging - but its still going down.
So there was definitely something wrong with the charging process....

Are you charging via USB (PC) or AC (wall)?

UZ7 said:
Are you charging via USB (PC) or AC (wall)?
Click to expand...
Click to collapse
It was AC (wall)
Also, when i got my phone, it was really cold, and i know that cold can be bad for battery. But could it cause permanent damage for it? thats the onyl reason i can think my battery isnt performing well... apart from defect

Once the battery is fully charged, a couple hours at most, it discharges and then won't start charging again till it drops below 90%. Could be the reason for your charging spikes. As far as battery life goes your is pretty typical. I constantly charge my phone, it sits on a wireless charger, but if I try and go all day with a single charge I can barely make it through the day and with heavy use that's more like half a day.

kzoodroid said:
Once the battery is fully charged, a couple hours at most, it discharges and then won't start charging again till it drops below 90%. Could be the reason for your charging spikes. As far as battery life goes your is pretty typical. I constantly charge my phone, it sits on a wireless charger, but if I try and go all day with a single charge I can barely make it through the day and with heavy use that's more like half a day.
Click to expand...
Click to collapse
I would be ok, if it stopped charging when it reached 100%, but i didnt even reach 50%....
Anyway, will test for a few days, and if it still gives me problems will probably need to contact Google..
P.S. my girlfriend got N4 as well, so will compare with hers, if i feel im getting very short battery life.

phemark said:
I would be ok, if it stopped charging when it reached 100%, but i didnt even reach 50%....
Anyway, will test for a few days, and if it still gives me problems will probably need to contact Google..
P.S. my girlfriend got N4 as well, so will compare with hers, if i feel im getting very short battery life.
Click to expand...
Click to collapse
Check to see what is actually using the battery in the stats. Could be a rouge app keeping the phone awake and draining the battery. GSam Battery Monitor gives the best stats but the stock one should give you a clue to what if anything could be draining it.

The same thing happened to my Nexus 4 when I initially got it. I left it to charge overnight and when I awoke it was far below 100%.
I flashed Franco kernel as soon as it was released though, and never got the problem again.

friend'scatdied said:
The same thing happened to my Nexus 4 when I initially got it. I left it to charge overnight and when I awoke it was far below 100%.
I flashed Franco kernel as soon as it was released though, and never got the problem again.
Click to expand...
Click to collapse
So this time my battery charged fine, but it didnt last long....
40min of usage drops battery by 30%, is that normal????..

phemark said:
So this time my battery charged fine, but it didnt last long....
40min of usage drops battery by 30%, is that normal????..
Click to expand...
Click to collapse
It'll get better. I'm on custom rom and kernel, and today, web browsing on wifi, I have used 21% in 1 hour and 15 minutes, and the phone has been unplugged just over 3 hours.
If the stock ROM doesn't improve significantly over the next few weeks i'd be surprised.

From 40% to 0% in 1 second
This just happened to my Nexus 4 (screenshot)
There was 40% left and all of a sudden the device turned itself off. After restart the battery was completely empty?!?

phemark said:
So this time my battery charged fine, but it didnt last long....
40min of usage drops battery by 30%, is that normal????..
Click to expand...
Click to collapse
You have a Nexus get your phone unlocked and install TWRP recovery (easiest method is Nexus 4 toolkit), download and install Harsh kernel, I guarantee you won't be disappointed with its performance or battery life

Hi
asasione said:
You have a Nexus get your phone unlocked and install TWRP recovery (easiest method is Nexus 4 toolkit), download and install Harsh kernel, I guarantee you won't be disappointed with its performance or battery life
Click to expand...
Click to collapse
With all due respect this isn't a kernel/ROM issue, otherwise every single person would be reporting of the battery suddenly depleting in the same way.
Installing another ROM isn't a fix for this sort of problem and just complicates things for the user.
To the OP:
We have two likely issues:
1) Faulty charger
2) Faulty phone.
First off try a different charger, if you don't have one, use your computer's USB port, although note that some computers do not charge while they are off, and the Nexus has a bug where it stops charging if the computer goes to sleep, even though it says it is still charging (it will start charging if you unplug and plug it back into the USB port while the computer is asleep).
Once your phone has charged to 100% from a different charger, if all is fine now it points to a faulty charger, if you still get the same issue, rule out any software you might have installed by doing a factory reset, and try again. If it still happens you simply have a faulty phone and will need to return it.
Regards
Phil

Any way to get super long standby time like New nexus 7?

I think our 2012 nexus 7 standby time is pretty bad..but i think it's the most case for many android devices. However, as we know the new nexus 7 2013 has smaller battery, but it's standby time is SIGNIFICANTLY longer. I heard over night, only about 2 percent drops, similar to iPhones iPads and even playbook when I had it. My 2012 nexus 7 drops 2 percent per hour, not per overnight.
What I'm wondering is that is this due to the snapdragon processor being more power efficient when idle? My nexus 4's standby time is incredible as well, but don't know if it's because of 4.3 update or not. I used to have Galaxy S2, which had a snapdragon S3 (the one before krait), and standby time on that was also horrible. Never got though a day, battery was always out at 3pm..
I do have some apps on my nexus 7, but I don't have too many either. I' not really an "app" guy. I have also tried Greenify, but it's pointless because I DO want to get some notifications from Email, Weather, etc. I don't have everything syncing that often.
I believe 2 percent per hour isn't really bad, and I don't think there is something wrong with my tab. But I really would love super long standby like the new nexus 7 2013. Will certain ROM in the developer section help? I believe I have Vanir 4.3 or something installed, and haven't changed for a while.
Also the nexus 7 2013 and nexus 4 with 4.3's super long standby is with WiFi ON. I'm wondering if they are due to SD s4 pro chip being well optimized with android 4.3 for battery efficiency or something.
Please reply!
Thanks.

Download an app named BetterBatteryStats. Start it and let it run for a whole battery cycle (charge it, unplug and then do what you usually do with your Nexus). Then you gotta check your Kernel WakeLocks (they are eating your battery when your screen is off). When you find out which ones are the problem you should post it here, on the forum and hopefully somebody will help you .
Basically saying: when you enter Android settings and here you check your batterry stats you want to have your awake bar fully covered by screen on bar (like this: http://img706.imageshack.us/img706/8633/131d.png).
Also disable 3g and wifi over night or find an app that will do it for you.
Here's a handy guide to improving battery life:
http://forum.xda-developers.com/showthread.php?t=1909996

Yeah....you have something draining your battery. I get like 2 percent drop over night on the original N7.
Read the like in my signature. Its in an S2 forum....but pretty much is the same for any device.
I can get 4 days on standby....barely touching it of course. 2 solid days on average with normal use.
______________________________
Sent from my cellular telephone. Battery problems? >>>> http://forum.xda-developers.com/showthread.php?t=2461864

Hmm..I am charging my tab right now. I'll try the methods suggested, and update.

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Above are the screenshots. I'm using gsam. Better battery stats app is a paid app, so I chose this.
Do you think, from the screen shot above, that Google services is draining my battery? I'm not sure if this is only from me unplugged this tab for about an hour, or for the entire 2 days me plugging and unplugging time to time.
Thanks in advance for your help.

Also to Sheo above, awake and screen on are definitely different . Does that mean my battery is draining?
Thanks. And I guess it wasn't 2 days. 1 day and 5 hours I guess, instead of 2 days I said in my previous post.

Every time you unplug your phone, gsam resets. So those stats will be off. Charge it fully, and let it go til its near dead. Like 10 percent. Then check out gsam. Cpuspy would be a good thing to get to....to see if its deep sleeping and for how long. Just reboot when fully charged, or after unplugging go into cpuspy and reset stats. So it will track your full drain.
Hit the drop down on the app screen in gsam. Check kernel wakelocks....times waking device and time held awake. I am not sure its Google. It only held your phone awake for 2 minutes.
______________________________
Sent from my cellular telephone. Battery problems? >>>> http://forum.xda-developers.com/showthread.php?t=2461864

kj2112 said:
Every time you unplug your phone, gsam resets. So those stats will be off. Charge it fully, and let it go til its near dead. Like 10 percent. Then check out gsam. Cpuspy would be a good thing to get to....to see if its deep sleeping and for how long. Just reboot when fully charged, or after unplugging go into cpuspy and reset stats. So it will track your full drain.
Hit the drop down on the app screen in gsam. Check kernel wakelocks....times waking device and time held awake. I am not sure its Google. It only held your phone awake for 2 minutes.
______________________________
Sent from my cellular telephone. Battery problems? >>>> http://forum.xda-developers.com/showthread.php?t=2461864
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Click to collapse
Okay it's been several hours now after I unplugged and left it idle. I'm not really sure about the gsam results, so here are the screenshots.
Thanks for helping me.

Btw these 3 screenshots are from the kernel wake lock.
Thanks.

kj2112 said:
Yeah....you have something draining your battery. I get like 2 percent drop over night on the original N7.
Read the like in my signature. Its in an S2 forum....but pretty much is the same for any device.
I can get 4 days on standby....barely touching it of course. 2 solid days on average with normal use.
______________________________
Sent from my cellular telephone. Battery problems? >>>> http://forum.xda-developers.com/showthread.php?t=2461864
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Me too, sometimes overnight draining is 0%.

sw6lee said:
Above are the screenshots. I'm using gsam. Better battery stats app is a paid app, so I chose this.
Do you think, from the screen shot above, that Google services is draining my battery? I'm not sure if this is only from me unplugged this tab for about an hour, or for the entire 2 days me plugging and unplugging time to time.
Thanks in advance for your help.
Click to expand...
Click to collapse
You can get better battery stats free here on xda, just in case you want to give it a try.
http://forum.xda-developers.com/showthread.php?t=1179809
Sent from my Nexus 7 using xda app-developers app

Hey guys I have no idea what happened to my tablet, but since yesterday, my tablet standby time is really good. Today, I unplugged 4 hours before, and right more, it still says 100% . Does gsam also save battery? When I had my honeycomb tablet back in the day, it was dropping only 2 percent per overnight and I haven't seen this on any of my other tabs after. But it's amazing to have this long standby time again. I was thinking short standby time was just one of the things that android was not good with. Now I'm happy thanks guys for your help!

Screen on time not that good?

Doze has been working well since I realized my wifi was causing screen locks but now my radio is the biggest eater.
With only 30 minutes of SoT I've lost 23 percent. This is only from checking FB and replying to texts.
My screen locks at 15 seconds. I have ambient turned off but adaptive on.
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Checked my battery stats and wifi seems to be on the entire time. Haven't been connected to wifi since 230 PM.
I'm now at 64 percent with 55 minutes of screen on time.
Sent from my Nexus 6P using Tapatalk

For the WiFi on issue, go to Location settings, press on the 3-dot menu and disable WiFi scanning. That's what keeps the WiFi on all the time.
As for the battery life, you may have some misbehaving app draining it. When I'm at 50% I'd usually have 2.5+hrs of SOT.
By the way, how did you get Gsam working? It doesn't show any Stats on mine.
Sent from my Nexus 6P using Tapatalk

sherlock5545 said:
For the WiFi on issue, go to Location settings, press on the 3-dot menu and disable WiFi scanning. That's what keeps the WiFi on all the time.
As for the battery life, you may have some misbehaving app draining it. When I'm at 50% I'd usually have 2.5+hrs of SOT.
By the way, how did you get Gsam working? It doesn't show any Stats on mine.
Sent from my Nexus 6P using Tapatalk
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That's not strictly true, my WiFi scanning is off and my WiFi shows as on all the time. It was a bug in lollipop and it seems to be in marshmallow too.
The only ways I found to stop it are to turn off WiFi then reboot or turn off WiFi while you are still connected to the network before you go out of its range.
Despite the false readings I haven't noticed worse battery life though, it just seems cosmetic.

sherlock5545 said:
By the way, how did you get Gsam working? It doesn't show any Stats on mine.
Sent from my Nexus 6P using Tapatalk
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Click to collapse
For me, just installing it gives me all stats except for apps. I think it's a general Marshmallow compatibility issue. Hopefully the devs release an update for it soon.
Sent from my Nexus 6P using Tapatalk

sherlock5545 said:
For the WiFi on issue, go to Location settings, press on the 3-dot menu and disable WiFi scanning. That's what keeps the WiFi on all the time.
As for the battery life, you may have some misbehaving app draining it. When I'm at 50% I'd usually have 2.5+hrs of SOT.
By the way, how did you get Gsam working? It doesn't show any Stats on mine.
Sent from my Nexus 6P using Tapatalk
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Click to collapse
Yea, just installed it and it worked. I noticed you can change the permissions for the app but they reset once you leave that screen.
Sent from my Nexus 6P using Tapatalk

Just can't figure out how everyone else is getting killer usage time. My sucks up juice when using it.
Might try a factory reset.
Sent from my Nexus 6P using Tapatalk

For those getting poor SOT, I was having that issue also. I would get about 15 minutes per 9-10%. Today it's much better. I didn't mess with any settings (aside from scanning off, usual things when I first got the phone) to do it. It actually happened on accident.
My daily cycle is: charge at work before I leave so I have bulk of my battery available for my commute home and the rest of the night. Leave unplugged overnight. Charge again at work before leaving.
Usually I disconnect the charger as soon as my lock screen says "charged" or my watch shows 100%. Yesterday I got stuck on a (desk) call and left the phone plugged in for about 15 minutes or so after it reached 100%. Results?
I took these on my commute home:
https://drive.google.com/file/d/0B-GQrtMAjZH8V1IwZjBISkdUd2M/view?usp=sharing
https://drive.google.com/file/d/0B-GQrtMAjZH8Z3UwVkV5Ti1vV0E/view?usp=sharing
This double what I was getting before. Now, I noticed that when the lock screen says "charged," if I go into battery stats, it says "charging." I'm going to see today if the battery stats screen ever says "charged," and if it does, that means that the lock screen is under-reporting the true 100% charge. The same discharge rate doesn't hold true throughout use, as it seems that leaving the phone plugged in for a little while after 100% just makes it "top-heavy," but we'll see if I can replicate what I did yesterday, at least. As of right now I'm at 40% with 3 hours SOT. Pretty freakin' good if you ask me.

As a follow up, I left my phone plugged in at 100% for 12 minutes (I set a timer on Google), and the actual battery stats page just said "100% - charging on AC." It would never change status, even if I unplugged and plugged back in. But, what I did yesterday must have done something to make the battery status calibration top-heavy, because while charging I see a percentage increase per minute, until it hit 96%. After that it took about 2-3 minutes for it to go up a percentage point until 100%. So if you're seeing significant drop with screen on, leave it plugged in for 5-10 minutes after it's full, and see where you end up.
Of course, this may just mean that it takes less time for the phone to go from 5% to 1% - some people say that it takes unusually long for the battery to drain at those low numbers, and all I did was shift that time up top - but I don't plan on letting my phone get that low anyway.

Casyis said:
As a follow up, I left my phone plugged in at 100% for 12 minutes (I set a timer on Google), and the actual battery stats page just said "100% - charging on AC." It would never change status, even if I unplugged and plugged back in. But, what I did yesterday must have done something to make the battery status calibration top-heavy, because while charging I see a percentage increase per minute, until it hit 96%. After that it took about 2-3 minutes for it to go up a percentage point until 100%. So if you're seeing significant drop with screen on, leave it plugged in for 5-10 minutes after it's full, and see where you end up.
Of course, this may just mean that it takes less time for the phone to go from 5% to 1% - some people say that it takes unusually long for the battery to drain at those low numbers, and all I did was shift that time up top - but I don't plan on letting my phone get that low anyway.
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Click to collapse
I just took your advice, my battery stats page said the same thing "100% - charging on AC." However mine took about 30 more minutes before it changed to fully charged (not exactly sure how long since I wasn't paying attention fully). I am going to run the phone down to 5% now and update tomorrow. Currently I am seeing 5 hrs SOT with 20 percent brightness, strictly wifi, no rogue apps, good cellular reception, always listening off, google photos back up off location off.

Blaze876 said:
I just took your advice, my battery stats page said the same thing "100% - charging on AC." However mine took about 30 more minutes before it changed to fully charged (not exactly sure how long since I wasn't paying attention fully). I am going to run the phone down to 5% now and update tomorrow. Currently I am seeing 5 hrs SOT with 20 percent brightness, strictly wifi, no rogue apps, good cellular reception, always listening off, google photos back up off location off.
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Thanks for confirming - I wasn't sure it would ever say fully charged. Interested to hear how it goes.
Sent from my Nexus 6P using Tapatalk

Casyis said:
Thanks for confirming - I wasn't sure it would ever say fully charged. Interested to hear how it goes.
Sent from my Nexus 6P using Tapatalk
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yep. I actally had 2 6p...the first one I rma. That one gave me 6 hours SOT with everything on vs this one I have now with everything off 5 SOT. So hopefully this is reason why second 6p has lower sot.
Quick update, at 96% with 31 mins SOT.

Blaze876 said:
yep. I actally had 2 6p...the first one I rma. That one gave me 6 hours SOT with everything on vs this one I have now with everything off 5 SOT. So hopefully this is reason why second 6p has lower sot.
Quick update, at 96% with 31 mins SOT.
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Nice nice. I'm at 84% with 58 minutes. All in LTE.
Sent from my Nexus 6P using Tapatalk

Casyis said:
Nice nice. I'm at 84% with 58 minutes. All in LTE.
Sent from my Nexus 6P using Tapatalk
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that sounds good! I am on wifi, only whatsapp so far and checked a couple emails.

Blaze876 said:
that sounds good! I am on wifi, only whatsapp so far and checked a couple emails.
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Yeah, I'm very happy. Glad we discovered this.
Sent from my Nexus 6P using Tapatalk

How can I check if an app is draining my battery guys?

Blaze876 said:
that sounds good! I am on wifi, only whatsapp so far and checked a couple emails.
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Took me 1 hour 8 minutes to go from "100% - charging on AC" to "100% - full." Let's see how this goes.
Sent from my Nexus 6P using Tapatalk
---------- Post added at 09:25 PM ---------- Previous post was at 09:00 PM ----------
Syystole said:
How can I check if an app is draining my battery guys?
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Aside from the built in battery stats, if you're unrooted, try GSAM battery monitor from the Play store.
Sent from my Nexus 6P using Tapatalk

Update: After reaching "100% - full" on the battery screen, this morning I reached 1 hour SOT at 85% during my commute to work. Not too shabby at all. Definitely a huge improvement. This was with PowerAmp playing, bluetooth on, location on, all on LTE.
https://drive.google.com/open?id=0B-GQrtMAjZH8bzFlalRhVlZQLUk
https://drive.google.com/open?id=0B-GQrtMAjZH8MmhjaVFrbXgtT2c