Database Users

My battery solution

I've had a very sudden and dramatic improvement in battery life and I thought that I'd post what seems to have worked for me.
I installed setCPU and set it for
768/254 on demand - main
245/245 performance screen off
368/368 performance - battery<41%
battery<101% 768/245 on demand
I installed Ultimate JuiceDefender and set it for extreme - blocking all connectivity except for a white-list
I decided that I could do a better job than the auto screen, so I installed Brightness level and I keep it generally at about 20% and then flick it up a bit if I need it.
I disabled auto rotation and now toggle the screen with a widget.
I've taken phone calls, recorded phone calls, checked email a few times, tweeted - very often using wifi which I operate using a toggle widget
I had the phone on charge all night switched off.
Disconnected it at 8.00 this morning and at 6.30 this evening, the JD widget tells me that there is still 12hrs and 28 mins of battery time left.
Considering the size of the screen and what this phone does. And considering the very poor battery life - 8hrs max I was getting before, I am far happier and the phone now becomes a practical item to have.

Whats your percentage battery left?

seems to be saying 72%
I also noticed that for the first time screen usage is less than running usage.
Screen consumption has always been the big factor on phone - and I see that is what people say on the forum, so I'm very pleased to have reduced it so well.
The Brightness level app allows a variable control whereas all the other screen controllers have seen allow you only to rotate through three or four preset brightness levels.
Brightness Level lets you do that with a widget but it also has a slide bar, which is what I was looking for

So basically you've downgraded the DHD to a level of a Nokia S40 device imo As this has been covered by many others in many other battery life related threads I'm just saying this short and simple. Just use the device as it is supposed to, enjoy the awesome features it provides at the full potential and don't get fixated on the battery life, it'll get you through the day no problem (doesn't include playing angry birds for three hours straight ) and just plug it in when you have the chance.

About battery, some tips, my battery life is around 2 days with normal usage of phone, only i dont use 3g only wi-fi:
Brightness - between 25% and 50%
When you on the internet and use native explorer for android go to "Menu-more-settings-enable plugins" and set it to "On demand"
Tupe *#*#4636*#*# - "Phone information" and set "Preffered network type" to "GSM Auto Prl"
Android Revolution HD 2.15 rom

lejars1 said:
I've had a very sudden and dramatic improvement in battery life and I thought that I'd post what seems to have worked for me.
I installed setCPU and set it for
768/254 on demand - main
245/245 performance screen off
368/368 performance - battery<41%
battery<101% 768/245 on demand
I installed Ultimate JuiceDefender and set it for extreme - blocking all connectivity except for a white-list
I decided that I could do a better job than the auto screen, so I installed Brightness level and I keep it generally at about 20% and then flick it up a bit if I need it.
I disabled auto rotation and now toggle the screen with a widget.
I've taken phone calls, recorded phone calls, checked email a few times, tweeted - very often using wifi which I operate using a toggle widget
I had the phone on charge all night switched off.
Disconnected it at 8.00 this morning and at 6.30 this evening, the JD widget tells me that there is still 12hrs and 28 mins of battery time left.
Considering the size of the screen and what this phone does. And considering the very poor battery life - 8hrs max I was getting before, I am far happier and the phone now becomes a practical item to have.
Click to expand...
Click to collapse
your on stock rom mate?
i can see that you can charge your phone while its turnd off..
i think on customized ROM like ARHD LD CORE cm7 and etc cannot charge their phone while its off because iT will BOOTup to recovery mode

Doesn't performance mode just keep the CPU clock on it's maximum? It would rather shorten the battery life than prolong it.

Why buy a smartphone and use it like a landline lol i hammer my phone and still get 10-14 hours out of it, thats fine for me, i only get 3hrs out of my laptop lol
Sent from my Desire HD using Tapatalk

Mate there is something eating your battery if u only get 8 hours battery life.
These adjustments you made are unnecessary if you find the culprit that is eating your battery, why get a phone like the dhd and run it on 20% brightness and lower the cpu to such a level.
Have you used spare parts to check your battery usage?
Im currently on 40% and my phone has been unplugged since 27 hours and I don't even have setcpu installed.
Maybe you should post details on your barret usage!
Swyped from my sexy galaxy tab

But I'm not compromising anything now. I'm completely happy with the way that the phone works for me now.
I'm actually operating the screen at 12% for most of the time - when I am not outside and it doesn't present any difficulty for me.
Obviously I would always like better battery life and I'll look for more ways to improve it.
Doesn't performance mode just keep the CPU clock on it's maximum? It would rather shorten the battery life than prolong it.
Click to expand...
Click to collapse
According to setCPU, if you set it to on demand, it will keep on scanning for required power level. Performance automatically goes to the max. Apparently on demand uses slightly more power so they advice to use performance when possible. So I set the same max/min figure and use a performance governor.

i would actually consider rooting the phone as an alternative, or getting a bigger battery. i have alot of issue with the battery life previously, but after switching rom, it actually help alot

Well it is rooted to enable JD and setcpu to work. But I haven't dared go further because I am still trying to understand the entire process - and also the way back!
I probably will eventually.
I've ordered a 1500 Mugen - and if that actually exists and if it is an improvement on the stock battery then that will advance things as well.
I'm very pleased with the improvement I have achieved so far because at least I'm able to take the thing off the tit for a full working day and use it as a real mobile phone!!

lampz said:
your on stock rom mate?
i can see that you can charge your phone while its turnd off..
i think on customized ROM like ARHD LD CORE cm7 and etc cannot charge their phone while its off because iT will BOOTup to recovery mode
Click to expand...
Click to collapse
this is only true if you're using CMW Recovery 3.x.x.x

redlinux said:
this is only true if you're using CMW Recovery 3.x.x.x
Click to expand...
Click to collapse
No, its on all versions of cwm, you can still charge your phone though, even in recovery
Sent from my Desire HD using Tapatalk

AndroHero said:
No, its on all versions of cwm, you can still charge your phone though, even in recovery
Sent from my Desire HD using Tapatalk
Click to expand...
Click to collapse
Yup2x, it's true that we can charge it very well while in recovery mode. I was referring to the situation wherein the printer reboots to recovery as soon as you plug in the charger to your DHD. Some users have reported that and they are all using 3.x.x.x.

lejars1 said:
So I set the same max/min figure and use a performance governor.
Click to expand...
Click to collapse
As far as I've understood, you will always have max frequency when performance is applied. So there is no use setting min value really as it doesn't matter.
Sent from my %s using XDA Premium App, pardon my typos.

Vispe85 said:
So basically you've downgraded the DHD to a level of a Nokia S40 device imo As this has been covered by many others in many other battery life related threads I'm just saying this short and simple. Just use the device as it is supposed to, enjoy the awesome features it provides at the full potential and don't get fixated on the battery life, it'll get you through the day no problem (doesn't include playing angry birds for three hours straight ) and just plug it in when you have the chance.
Click to expand...
Click to collapse
By far the most excellent advice. I totally agree with you.

Battery life in standby?

I did a little experiment with battery life, particularly in standby mode.
Wifi is on, and the weather/clock widget updates every 2 or 4 hours.
After 24 hours not using it at all, battery life went down to about 94%.
On an ipad2, after 24 hours, it is at 99%.
On, ipad2, most notifications if not all are turned off. Could this be the reason for the discrepancy? Any ideas to make it better? Should I have weather update 1 every 24 hours and update manually as needed?
I notice I cannot set the update interval for mail? Is it because it is push and not pull?

Id be greatful with that kind of battery life. Honestly.
Sent from my ASUS Transformer Pad TF300T using XDA

KindaUndisputed said:
Id be greatful with that kind of battery life. Honestly.
Sent from my ASUS Transformer Pad TF300T using XDA
Click to expand...
Click to collapse
really? standby time is important to me. I go through spurts of not using the tablet but I don't want to have to keep the tablet plugged in.Turning it off means I have to wait for boot up to use it real quickly.

superflysocal said:
really? standby time is important to me. I go through spurts of not using the tablet but I don't want to have to keep the tablet plugged in.Turning it off means I have to wait for boot up to use it real quickly.
Click to expand...
Click to collapse
I have it turn my wifi off while screen off and with build.prop tweaks I get 7 days b4 I have to charge... Or... Get juice defender in market and it will handle the wifi and syncing to give you much greater battery life.
Sent from my SPH-D710 using xda premium

It lost 6% in 24 hours. That means it will take over 16 days to drain. I doubt many users will see this as a problem.
I guess you could uninstall any widgets you have and keep it in power saving mode. Turn off wifi. Check the apps section in the settings menu and see which ones are running in the background and uninstall them.
Otherwise, buy an ipad if you want ipad specs.

I'm at 87% at 2 days and 10 hours right now. I have FW .29 and SeanZ's tweaked build.prop. I'm happy with it personally.

Personally I've been pretty thrilled with my battery life. I've never had a device before that would still be at 99% after four-five hours on standby tweaks or not - and the biggest tweak I've done is disabling weather (I've gotta save something for my phone to do).

superflysocal said:
really? standby time is important to me. I go through spurts of not using the tablet but I don't want to have to keep the tablet plugged in.Turning it off means I have to wait for boot up to use it real quickly.
Click to expand...
Click to collapse
Get the keyboard and use it like a docking station.
The tablet slips in it pretty easily.

I'm not really happy with the standby time so when I'm not around or sleeping I shut it down.

Probably shutting down WiFi is the most important battery saver. Either by hand or with an app.
edit: Except apps producing wakelocks, of cource. Better Battery Stats helps.

what is this tweaked build.prop and where do I get it? Is root required?

superflysocal said:
what is this tweaked build.prop and where do I get it? Is root required?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1641219

+1 this. I have to say, I was a bit skeptical before I updated my build.prop file. But when I did, I noticed an immediate speed boost and much much much better batter performance.

Terrible battery life

Hello everyone, i purchased my Nexus 7 and it arrived in the mail 3 days ago. And as with every other Android device ive ever owned, the batter is absolutely terrible. I get about 2hrs on screen time when browing the web and maybe playing an occasional game. Does anyone have any idea whats going on? Or have any way to help? Thanks so much

That is pretty bad. Try a factory reset. Might be something you installed.

I'd hate to do a factory reset cause I just barely got it set up but..I'll try it anyway tonight
Sent from my SGH-T999 using xda premium

Scoutamis said:
I'd hate to do a factory reset cause I just barely got it set up but..I'll try it anyway tonight
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
Doing a factory reset before installing anything is becoming the gold standard.
Hope it helps you.

I get between 7-9 hours of active use. Sounds like some process is running amok on yours. I didn't factory reset when I bought it either....though I have rooted it since then, but battery life is about the same pre and post root.
You might want to consider a program to monitor battery use to see what's eating it up. Maybe do that before you factory reset it so you don't install the same thing again.

ScandaLeX said:
Doing a factory reset before installing anything is becoming the gold standard.
Hope it helps you.
Click to expand...
Click to collapse
Really? Like as soon as you set up the device, you are suppose to factory reset it? And since im facotry resetting it 3 days into having it, do i have to calibrate the battery again?

ExploreMN said:
I get between 7-9 hours of active use. Sounds like some process is running amok on yours. I didn't factory reset when I bought it either....though I have rooted it since then, but battery life is about the same pre and post root.
You might want to consider a program to monitor battery use to see what's eating it up. Maybe do that before you factory reset it so you don't install the same thing again.
Click to expand...
Click to collapse
Do you have any battery monitoring apps in mind? I would love to see what is eating up my battery

Scoutamis said:
Do you have any battery monitoring apps in mind? I would love to see what is eating up my battery
Click to expand...
Click to collapse
System panel is a good app to find what's using your CPU and better batterystats can help find what's keeping your phone from going to deep sleep. An easy way to see if this is the case is go into battery setting and select the first option(history details). Compare the Awake bar with the screen on bar. Those two should be nearly identical if not then you have a rogue app.

Scoutamis said:
Do you have any battery monitoring apps in mind? I would love to see what is eating up my battery
Click to expand...
Click to collapse
The one I've seen mentioned several times in here is BetterBatteryStats. I just don't want to drop $3.00 on something I don't need. It might help your issue though.
https://play.google.com/store/apps/details?id=com.asksven.betterbatterystats

neotekz said:
System panel is a good app to find what's using your CPU and better batterystats can help find what's keeping your phone from going to deep sleep. An easy way to see if this is the case is go into battery setting and select the first option(history details). Compare the Awake bar with the screen on bar. Those two should be nearly identical if not then you have a rogue app.
Click to expand...
Click to collapse
Alright ill try system panel, and i looked at the battery setting and awake and screen on are almost exactly the same.

ExploreMN said:
The one I've seen mentioned several times in here is BetterBatteryStats. I just don't want to drop $3.00 on something I don't need. It might help your issue though.
https://play.google.com/store/apps/details?id=com.asksven.betterbatterystats
Click to expand...
Click to collapse
Well then, here you go:
http://forum.xda-developers.com/showthread.php?t=1179809

Scoutamis said:
Alright ill try system panel, and i looked at the battery setting and awake and screen on are almost exactly the same.
Click to expand...
Click to collapse
have you flashed any kernels or roms? sometimes this makes the tablet report the wrong battery stats for a bit.
did you run the battery down until it turns off and then give it a full charge? sometimes you have more juice than what is being reported. ive been stuck at 1-2% for over an hour before. Most likely its a rogue app though, system panel and better batterystats should find out what app it is. if they dont then it could be that you have a defective battery...

Been on mine continuously for 3 hrs 18 mins and at 60%. Excellent if you ask me. Next step up in battery life would be Transformer series with dock.

Scoutamis said:
Hello everyone, i purchased my Nexus 7 and it arrived in the mail 3 days ago. And as with every other Android device ive ever owned, the batter is absolutely terrible. I get about 2hrs on screen time when browing the web and maybe playing an occasional game. Does anyone have any idea whats going on? Or have any way to help? Thanks so much
Click to expand...
Click to collapse
Quite the opposite for me; unlike every other Android device I've had (Nexus One, GS2) the battery life is excellent. I watched 720p mkv video on the train yesterday for a good 3 hours, and still had ~70% by the time I got home, from a full charge.
The battery life is excellent, as far as I'm concerned.

Scoutamis said:
Really? Like as soon as you set up the device, you are suppose to factory reset it? And since im facotry resetting it 3 days into having it, do i have to calibrate the battery again?
Click to expand...
Click to collapse
Don't think you needed to calibrate the battery to begin with. I usually get fine battery life without doing anything special.

Something must be causing the poor battery on your Nexus, Yesterday after my N7 was fully charged, I watched the movie Thor for 1hr and 54 minutes n and my battery only dropped to 83%.

I'm at 16 hours and 52 minutes with 3 hours and 44 minutes of on screen time, the battery is at 51%
Sent from my Nexus 7 using Tapatalk 2

neotekz said:
have you flashed any kernels or roms? sometimes this makes the tablet report the wrong battery stats for a bit.
did you run the battery down until it turns off and then give it a full charge? sometimes you have more juice than what is being reported. ive been stuck at 1-2% for over an hour before. Most likely its a rogue app though, system panel and better batterystats should find out what app it is. if they dont then it could be that you have a defective battery...
Click to expand...
Click to collapse
My N7 is completely stock and has never been rooted. I also did do a couple charge cycles which didn't seem to help much. And better batterystats has AudioOut_2 at 38% (while I'm playing music) but other than that it doesn't seem to be a rogue app
Sent from my Nexus 7 using XDA Premium HD app

Download CPU spy from the market to see if the tablet is sleeping properly, and what frequency its constantly running at

Scoutamis said:
My N7 is completely stock and has never been rooted. I also did do a couple charge cycles which didn't seem to help much. And better batterystats has AudioOut_2 at 38% (while I'm playing music) but other than that it doesn't seem to be a rogue app
Sent from my Nexus 7 using XDA Premium HD app
Click to expand...
Click to collapse
Unless you listen to music for over 5 hours or streaming the songs it shouldnt use that much battery. If you can't find a wakelock with better battery stats then it might just be a bad unit.

CM10 battery life

I have had CM10 on my Nook HD for a couple of days now and I am disappointed by the battery life so far. To be honest, it is more a question of being impressed with the battery life on stock ROM than the other way around. Because coming from Nook Color, I was quite impressed by the battery life on Nook HD. In standby, it would go for a week without charging. With moderate usage, it would easily do a couple of days or 3 days even. But with CM10, standby sucks up battery juice like crazy. Overnight I lost about 40% charge. So I am seeing Nook Color battery life on my Nook HD.
This would probably keep me from using it as my daily driver. Since CM10 is so much more useful, I would probably boot to it when I need to do browsing and checking RSS feeds etc. But I think I would have to go back to stock for reading.
Is it the same experience with battery life for others? Thanks.

On stock it shut wifi off when it sleeps, on CM10 you have to go to wifi settings and edit the settings to do the same because it's set to not shut off wifi when sleeping.

yelloguy said:
I have had CM10 on my Nook HD for a couple of days now and I am disappointed by the battery life so far. To be honest, it is more a question of being impressed with the battery life on stock ROM than the other way around. Because coming from Nook Color, I was quite impressed by the battery life on Nook HD. In standby, it would go for a week without charging. With moderate usage, it would easily do a couple of days or 3 days even. But with CM10, standby sucks up battery juice like crazy. Overnight I lost about 40% charge. So I am seeing Nook Color battery life on my Nook HD.
This would probably keep me from using it as my daily driver. Since CM10 is so much more useful, I would probably boot to it when I need to do browsing and checking RSS feeds etc. But I think I would have to go back to stock for reading.
Is it the same experience with battery life for others? Thanks.
Click to expand...
Click to collapse
I have generally found this true on all my nook devices, Color, Tablet, HD, and HD+. CM10 can just not match stock on battery life.
But I like CM10 so just charge every day.
Sent from my Nook HD+ Running CM10 on SD

r1c47 said:
On stock it shut wifi off when it sleeps, on CM10 you have to go to wifi settings and edit the settings to do the same because it's set to not shut off wifi when sleeping.
Click to expand...
Click to collapse
That might just be the trick, as I shut off wifi this morning in CM10 at 63% charge and the battery is still holding up at 60% after some four hours.
More testing will reveal if it becomes usable with wifi shutoff.
But Nook Color using CM7.2 had insane battery life. Even better than stock -- way better. I don't know how the developers did it but they put BN developers to shame by getting that good battery life out of that device.

There was a problem with deep sleep on the 12/28 CM10 release. Temporarily reverted to the earlier kernel (B&N binary) which helps some apparently.

i've used 12/19 only and found battery life to be pretty bad when in sleep mode. even with wifi off it wasn't nearly as good on standby as stock/root is. but you do get lots of extra features so you gotta pick which is more important. better sleep or a more powerful tablet.

I am on the 12/29 Linaro build and after posting the original question, I took r1c47's advice and shutoff wifi when not in use. I've had good results since then. I did some reading in Kindle app but my battery was still at 40% from that original charge when I posted the first message here. I just put it up for charging again but I might stick with this build for a long time. I just shut off the wifi when I am reading which is most of the time.
The only (minor) problem is the lack of rotation even after checking the box in settings. And I have not tried playing music or videos so far. But otherwise this build is good for me.

yelloguy said:
The only (minor) problem is the lack of rotation even after checking the box in settings.
Click to expand...
Click to collapse
The rotation issue is well known. Just hold the device vertical when you want to rotate and it will. And there are two rotation check boxes in settings. One in display and one in accessibility.
Sent from my Nook HD+ Running CM10 on SD

leapinlar said:
The rotation issue is well known. Just hold the device vertical when you want to rotate and it will. And there are two rotation check boxes in settings. One in display and one in accessibility.
Sent from my Nook HD+ Running CM10 on SD
Click to expand...
Click to collapse
Found last night that I was missing the second check box in settings. Everything peachy now. Thanks much!

yelloguy said:
I am on the 12/29 Linaro build and after posting the original question, I took r1c47's advice and shutoff wifi when not in use. I've had good results since then. I did some reading in Kindle app but my battery was still at 40% from that original charge when I posted the first message here. I just put it up for charging again but I might stick with this build for a long time. I just shut off the wifi when I am reading which is most of the time..
Click to expand...
Click to collapse
I confirm that the battery life is acceptable after turning the wifi off. Is there anyway to make it turn off wifi automatically, though?
thanks

lessmeat said:
I confirm that the battery life is acceptable after turning the wifi off. Is there anyway to make it turn off wifi automatically, though?
thanks
Click to expand...
Click to collapse
Go to settings, wifi, menu, advanced and choose wifi to never be on with screen off.

I'm quite happy seeing over 2 days (sometimes little over 3) on CM10 12/31 build, shutting down wifi after 5 min inactivity and when off.
However I find it a pita to switch off and on wifi all the time when I resume operation on the device. Is it a known issue, or am I the only one facing this?
Thanks
Oya

n00b here, need help with battery issues

Hi there; this is my first post so please go easy on me.
Bought a Nexus 4 which is my first Android device, but the battery life is bugging the hell out of me. Surely the screen should always be at the top, right? I left it to sleep overnight on a full charge to find that it had shot down to 60% when I woke up at 7 this morning.
I haven't rooted or flashed or anything like that, because as I said, I'm an Android virgin. I have location settings off, only Gmail syncing and the usual push notifications here and there. Nothing too fancy or strenuous.
Any help on how I can go around fixing this? I'm a little afraid to rooting/flashing/ROMs etc, because I've no clue what works best.
Cheers!

If your saying you left the screen on over night, meaning the phone never went into deep sleep.. If you slept for let's say 6 hours and the phones screen was on for that whole time it's normal that it went down to sixty percent battery.
Maybe I'm understanding your post wrong? Btw I cannot see the picture you posted.
Sent from my SGH-T999 using xda app-developers app

Turn off mobile data and lower the screen brightness to 0 during the day. Also disable WiFi when you're sleeping. I also make sure all apps are closed using the app manager button on the far right.
Mine's been fine following this logic.

Oh sorry, I should meant sleeping overnight, whilst I slept cosily in my bed.
I'll reattach the image in a second

Ah, you won't be able to see any links till I've gone past 10 posts. Back in a bit then, ha.

atw1927 said:
Ah, you won't be able to see any links till I've gone past 10 posts. Back in a bit then, ha.
Click to expand...
Click to collapse
lol I see it now.. try performing a reset, android shouldn't be that high.. are you rooted? custom rom/kernel?

Crisisx1 said:
lol I see it now.. try performing a reset, android shouldn't be that high.. are you rooted? custom rom/kernel?
Click to expand...
Click to collapse
This is NOT the answer. His battery in the image has dropped 7%. If he hasn't used the screen much it is perfectly understandable that screen might not be a large percentage of that 7%. As he uses the phone more screen will use a larger percentage of his battery and Android OS will use less.
If he gets to the point where the screen is on for an hour or two and the percentages are still like this then yes there is a problem.
Sent from my Nexus 4 using Tapatalk 2

joshnichols189 said:
This is NOT the answer. His battery in the image has dropped 7%. If he hasn't used the screen much it is perfectly understandable that screen might not be a large percentage of that 7%. As he uses the phone more screen will use a larger percentage of his battery and Android OS will use less.
If he gets to the point where the screen is on for an hour or two and the percentages are still like this then yes there is a problem.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
My android system has never been that high, regardless if I used the phone for 10 minutes or 10 seconds , or not at all.

atw1927 said:
Hi there; this is my first post so please go easy on me.
Bought a Nexus 4 which is my first Android device, but the battery life is bugging the hell out of me. Surely the screen should always be at the top, right? I left it to sleep overnight on a full charge to find that it had shot down to 60% when I woke up at 7 this morning.
I haven't rooted or flashed or anything like that, because as I said, I'm an Android virgin. I have location settings off, only Gmail syncing and the usual push notifications here and there. Nothing too fancy or strenuous.
Any help on how I can go around fixing this? I'm a little afraid to rooting/flashing/ROMs etc, because I've no clue what works best.
Cheers!
Click to expand...
Click to collapse
Actually No the "Screen" should not always be at the top of the stat list. If you use the phone more than it idles, then yes... but if you are like me, mine says "Phone Idle: 20%" (which is on top) and "Screen" is 4th on the list with 12% (Wi-Fi and Cell standby above it) [this is my personal phone, and I mostly use my work phone. hence the high Idle & standby]
I was having an issue with my phone running out of battery, with very little usage from it. I mean very little, I might make 2 calls from it each day, and respond to an email now and then. I found that an App was preventing my Screen from going into "Deep Sleep" or even "Sleeping" possibly. So I uninstalled all apps (well I only had like 4 additional apps installed), except for 2 that I need (Google Voice & Drive). Powered off the phone, charged it fully, then powered back on. Its been running on the same charge for 24+hrs now and reads 68% battery remaining.
So check the apps you have installed, some use background data, and might be causing problems...

Crisisx1 said:
My android system has never been that high, regardless if I used the phone for 10 minutes or 10 seconds , or not at all.
Click to expand...
Click to collapse
And your phone is the definitive guide for what Android OS usage is? Maybe his phone woke up those services for a period of time longer than normal.
The answer of "lol looks wrong root and install kernel" is terrible advice when so little information is given.
Sent from my Nexus 4 using Tapatalk 2

What else would you like to know?

atw1927 said:
What else would you like to know?
Click to expand...
Click to collapse
A longer battery graph would help a lot. If yuppy want top search XDA there is a free app called better battery stats that will help you diagnose if something is running in the background eating battery or even if your phone I'd properly entering deep sleep.
Sent from my Nexus 4 using Tapatalk 2

Better Battery stats and battery screenshots here

atw1927 said:
Better Battery stats and battery screenshots here
Click to expand...
Click to collapse
See now it is much easier to see that you actually do have a problem and what it is. You have the wakelock problem as you can see from Better Battery Stats which falls under Android OS on the other screen. It also appears that you have somewhat weak signal which could cause the wakelock to drain battery even more. There's not much you can do about that wake lock, some kernels have patches for it but those have their own issues as well.
Sent from my Nexus 4 using Tapatalk 2

Could I just install any kernel on stock android and be OK with it? As I've said I've no idea what's best for me; just something nice and clean that doesn't have issues like this. I live onsite where I work so my WiFi is pretty much on all the time if that helps in anyway whatsoever
I'm gonna let it run down completely tonight and charge it, but I don't expect it to help much.

joshnichols189 said:
And your phone is the definitive guide for what Android OS usage is? Maybe his phone woke up those services for a period of time longer than normal.
The answer of "lol looks wrong root and install kernel" is terrible advice when so little information is given.
Sent from my Nexus 4 using Tapatalk 2
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I never told him to install a kernel. The advice I gave is to do a reset then I asked if he was rooted or running a custom rom or kernel because that might of been the problem.
Sent from my SGH-T999 using xda app-developers app

Bump

Fully charged overnight, battery still sinking like a ship. 45 minutes and I'm already down to 94% already!
Idiot question; will installing a kernel just solve this? For now as a new guy I'd like to keep it as stock as possible before fiddling with it.

atw1927 said:
Fully charged overnight, battery still sinking like a ship. 45 minutes and I'm already down to 94% already!
Idiot question; will installing a kernel just solve this? For now as a new guy I'd like to keep it as stock as possible before fiddling with it.
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Click to collapse
The battery on the n4 seems horrible.
I'm completely stock I just got my phone yesterday, I charged it to 100% now its at 64% battery with only 47 minutes of screen on time.
on the s3 I would be around 83% with 47 minutes of screen on time.
I'm gonna unlock the boot loader and root soon and try Franco kernel I've been reading good things about it.
Sent from my Nexus 4 using xda app-developers app

The battery life on the stock kernel isn't great because the CPU management isn't optimized well. It ramps up the CPU (frequency, number of active cores...) very easily and keeps it there long, which removes the occasional lag but sucks more battery. Flashing a more battery friendly kernel would definitely help you if that is the root of your battery issues and not a badly coded app.
Franco's kernel is a very popular one, and very battery friendly compared to stock (and that doesn't mean you lose performance). It is the one I'm currently using. Most people report of screen on times of 4 or 5 hours. With not so heavy usage and wifi (not 3g) I can also pass 5 hrs.
To install a kernel you need to unlock your boot loader and install a custom recovery. No need to root, but.. why not since you're at it
You can try different kernels with the stock ROM. You don't necessarily need a custom ROM. Just be careful to read the dev's OP and instructions, and definitely not to flash a kernel for another device.
Also another thing that reduces battery is your mobile data, if there are a lot of programs that sync on the background. You can use a program that turns off your mobile data when your screen is off and switch it back on just for a sync every xx minutes. Juice Defender is such app, though I like to use Tasker for that. If you use Tasker and are interested in that project, ask or send me a pm. It works great.