Database Info

LG G2X Battery Drain Fix

Out of the box my phone was terrible on battery. It would go dead sitting idle after only 5-6hrs.
It was using over 150mA consistently just sitting idle, compared to 2-5mA now after doing a reset...something in the initial config...and maybe in the several lockups I experienced, must have done something bad.
Cycle the battery by letting it drain all the way down until you cant even turn it on.
Perform a full factory reset and let the phone charge fully before loading the phone up with 3rd party apps just to make sure you dont introduce anything new to the scenario that may drain battery life.
After the factory reset and battery cycling it works how I expect it to...glad I didnt get angry and return it right away.
*Factory Reset*
Settings-Privacy-Factory Data Reset
Few additional things I have found. since initial post...
1. I confirmed several times that qik video is a complete piece of junk and drains the battery, after factory reset dont re-configure it.
2. In settings-location & security settings DO NOT enable Use GPS satellites unless you really need to use specific GPS data for navigation...when indoors the GPS keeps looking for signal and drains the battery very quick.
3. Bluetooth seems to have an issue and is not power friendly at all...I have mine turn on at scheduled times only using an app.
Other Disclaimers:
As has been posted elsewhere the battery drivers are poor at best, you cannot trust the numbers being reported back. What I can confirm is that the factory reset gave me a useable phone for a lot longer than the 5-6 hrs I started with when the phone would physically turn off....regardless of misreporting battery status. So basically do the reset and keep the offending apps/processes off until a better version comes out, and dont trust the reported battery percentage.
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Shrug... never had an issue. When I got the phone, I let it die before charging. Charged it up to 100% and have enjoyed a battery life that exceeds my N1 by at least 100%

momentarylapseofreason said:
Shrug... never had an issue. When I got the phone, I let it die before charging. Charged it up to 100% and have enjoyed a battery life that exceeds my N1 by at least 100%
Click to expand...
Click to collapse
My battery is fine also. I'm on hour 10 and just now got yellow indicator or just now at %30. This is without conditioning and without factory reset.

jink25 said:
Out of the box my phone was terrible on battery. It would go dead sitting idle after only 5-6hrs.
It was using over 150mA consistently just sitting idle, compared to 2-5mA now after doing a reset...something in the initial config...and maybe in the several lockups I experienced, must have done something bad.
Cycle the battery by letting it drain all the way down until you cant even turn it on.
Perform a full factory reset and let the phone charge fully before loading the phone up with 3rd party apps just to make sure you dont introduce anything new to the scenario that may drain battery life.
After the factory reset and battery cycling it works how I expect it to...glad I didnt get angry and return it right away.
Click to expand...
Click to collapse
Nice info. I appreciate you taking the time to give a detailed report.
When first getting a phone, I always drain it and charge it up 100%. Doing a factory reset isn't a bad idea at all...

The battery drain issue doesnt seem to be an issue for many..obviously there is some sort of problem for others though...thats why I provided the documentation to show it happening.
...others also have not had the lockup/reboot issue, which I had too...maybe they are somehow related? Either way a factory reset did the trick...draining the battery to 0 was just for good measure just in case.

Yeah umm... when I downloaded that battery monitor widget its reporting a 1200 mAH battery... hmm...

runderekrun said:
Yeah umm... when I downloaded that battery monitor widget its reporting a 1200 mAH battery... hmm...
Click to expand...
Click to collapse
Thats becuase you need to input your battery rating, default is 1200...The values are ESTIMATED ONLY, and were used to just graph change over time.

runderekrun said:
Yeah umm... when I downloaded that battery monitor widget its reporting a 1200 mAH battery... hmm...
Click to expand...
Click to collapse
Same here.... is 1200 just the default value?

dalepa said:
Same here.... is 1200 just the default value?
Click to expand...
Click to collapse
Yes default is 1200...set the value to 1500.

Yes im getting less than adequate battery life iwill try this when I get home. So far ive been having to charge twice a day just to get through the day.
Thanks for the tip.
Sent from my LG-P999 using XDA App

Ah I see. Hey btw how do I factory reset this beast?
Sent from my LG-P999 using XDA App

runderekrun said:
Ah I see. Hey btw how do I factory reset this beast?
Sent from my LG-P999 using XDA App
Click to expand...
Click to collapse
Settings-Privacy-Factory Data Reset

Thanks home-slice
Sent from my LG-P999 using XDA App

Going on 16Hrs now without a charge and still with 24% left.
This graph is now including a nearly 2 hr phone call, playing a video over HDMI to my TV and a bunch of texting.
Notice the steeper decline in battery during the phone call has a nearly identical slope to the pre factory reset portion of the graph...which just shows how much battery it was draining off before for no good reason.

Battery life has definitely been improving for me on the second and third charge.

Im still having drain issues... .i wonder if I need to leave it charging even after 100% like you did...

jink25 said:
The battery drain issue doesnt seem to be an issue for many..obviously there is some sort of problem for others though...thats why I provided the documentation to show it happening.
...others also have not had the lockup/reboot issue, which I had too...maybe they are somehow related? Either way a factory reset did the trick...draining the battery to 0 was just for good measure just in case.
Click to expand...
Click to collapse
My G2X is working perfect without all the issues some are addressing. As for battery life, I did have some phones before where it was horrible.
My theory is: If a phone comes with a faulty battery, it may be spiking (power) and making the device go wacko ... hence, memory loss, random reboots etc...
Since my few experiences with faulty batteries, I've just always stuck with the rule: "Go with only factory OEM parts or except a higher failure rate with knock off made in china batteries..."

dalepa said:
Im still having drain issues... .i wonder if I need to leave it charging even after 100% like you did...
Click to expand...
Click to collapse
The factory reset was the main factor that fixed the issue for me.
Discharging the battery fully then recharging to 100% may help in that it will calibrate the electronics and get a truly 100 percent charge.

dalepa said:
Im still having drain issues... .i wonder if I need to leave it charging even after 100% like you did...
Click to expand...
Click to collapse
It's actually good to do so.
Drain the battery completely (best before you sleep) ...make sure the phone shuts off by itself from low battery. Usually I play a game or watch youtube to drain it...
Plug it in and let it charge while you sleep...
The phone will have charged* to 100% long before you awake. *The extra hours it's been plugged in til' you awake. (I've noticed that our phone charges super fast. Anyone else?)
When you wake, unplug the phone from the charger.
Then turn it off and turn it back on...refresh it..
You're good to go...
Note: It's always nice to restart your phone, after you've been using heavy apps, especially HD recording, taking pictures etc... With all my smart phones I've noticed that the phone can tweak out at times after heavy use.
Hope this helps...

Ok yeah. I factory reset and battery is a ton better! When I first saw you post that you fixed it with a factory reset I was skeptical but after trying it, yeah it works. Battery (so far!) has been much better after the reset. I wonder if it was the root that messed us up?
Jinx did you root?

OTA 2.3.4 Upgrade - Battery Issues

So I have had the OTA upgrade on my phone for the past few days and the battery life has gotten unbelievably bad. I'm so confused because it seems to have helped a lot of peoples batteries. I have not changed any habits at all and can barely get through the morning. I'm losing 20% just on the 25 minute train ride to work.
Any ideas?

I'm on the same boat as you I hope we can get a helpful answer.
Sent from my HTC Sensation 4G using XDA Premium App

Still no improvement. There have to be more than just 2 people that have experienced something this drastic. I have made absolutely NO changes other than the update and the battery life is absolutely pathetic --- like 3-4 hours pathetic.
And no I have nothing synching.

ark2612 said:
Still no improvement. There have to be more than just 2 people that have experienced something this drastic. I have made absolutely NO changes other than the update and the battery life is absolutely pathetic --- like 3-4 hours pathetic.
And no I have nothing synching.
Click to expand...
Click to collapse
That isn't good at all...may I suggest an extended battery? This is my battery stats for today thus far. I have a chichitec battery. I have 13 widgets, 3 email accounts, and a twitter account syncing every couple of hours.
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ark2612 said:
Still no improvement. There have to be more than just 2 people that have experienced something this drastic. I have made absolutely NO changes other than the update and the battery life is absolutely pathetic --- like 3-4 hours pathetic.
And no I have nothing synching.
Click to expand...
Click to collapse
I'm no expert, but perhaps it'd be worth installing an app that monitors CPU usage. I remember having such battery problems with the Desire HD and it came down the the CPU constantly running at 100%. Perhaps you have an app that took a dislike to the update?
Just a thought...
Craig.

This is my situation also. Battery is the worse battery of any smartphone I've owned, since the update. No root, nothing. I'm either too lazy or not savvy enough to pinpoint this down, as far as apps, what is syncing, how often, blah blah. All I know is I am using it as little as possible b/c of the battery. I have had it 8 days, and REALLY need to call Cust Serv asap so I can get a replacement and see what happens, but I just don't want to go through the hassle of them trying to troubleshoot the phone. I'm also experiencing the HTC Sense reloading when exiting out of apps, and a few other small bugs/glitches, like web pages jumping/skipping around when I am scrolling through them. Sorry to unload on this thread I know it's about battery...

Same problem, but my battery get way way way too hot. All that energy loss getting hot is killing my battery. It gets up to 50+ degrees C. Way to hot and ever since using these 2.3.4 ROMs.

Try calibrating the battery.

You guys also might have gotten a bad battery. I'm pretty sure if you call HTC they'll send you one free if you tell them the battery overheats.

aNYthing24 said:
You guys also might have gotten a bad battery. I'm pretty sure if you call HTC they'll send you one free if you tell them the battery overheats.
Click to expand...
Click to collapse
This would make perfect sense if I didn't have my phone from the initial launch day at Walmart and the battery had been great for me UNTIL the upgrade. It's not the battery's fault.
And yes, I have recalibrated. And no, synching is not the issue since everything is the same from prior to the upgrade.

Actually you do need to recalibrate the battery. I had really bad battery life after the ota upgrade, spare parts app and wiping battery stats and now much better battery life than before ota. I have 64% at the moment, unplugged at 7:30am. I used to get 8 hours to a charge right after ota
Sent from my HTC Sensation 4G using xda premium

Before the Update, my battery life was great, except that occasionally I'd wake my phone up to a Battery meter showing a big grey !, instead of the color-coded indicator. A quick glance online said there was something possibly wrong with the battery, or that it was an unsupported 3rd-party battery
After the update, the battery will suddenly decide its ~70% lower than it was several minutes before, and shut itself down. I had to take the battery out, then put it back in, before the phone would recognize that the battery was actually still mostly charged.
The warning symbol mentioned above was infrequent enough, I could believe it wasn't noticed by everyone having these troubles. I think there's simply something wrong with the batteries, but since the 2.3.4 update, the phone treats the problem differently

kponti said:
Actually you do need to recalibrate the battery. I had really bad battery life after the ota upgrade, spare parts app and wiping battery stats and now much better battery life than before ota. I have 64% at the moment, unplugged at 7:30am. I used to get 8 hours to a charge right after ota
Sent from my HTC Sensation 4G using xda premium
Click to expand...
Click to collapse
How did you use "Spare parts"? I downloaded it and I can't find where to wipe the battery stats. I pick battery history and it tells me I'm using gingerbread ROM which does not contain battery stats reporting activity.

An app could be playing up. I know it's annoying but you could try a factory reset and reinstall everything from scratch. I find this helps tame apps that misbehave.
If your phone was fine prior to the update it's unlikely its a battery/hardware issue.

lianw said:
Try calibrating the battery.
Click to expand...
Click to collapse
+1, your battery stats got wiped from the update, so you need to do a few complete charge to 0%'s.
Sent from my HTC Sensation 4G using Tapatalk

rosedog said:
How did you use "Spare parts"? I downloaded it and I can't find where to wipe the battery stats. I pick battery history and it tells me I'm using gingerbread ROM which does not contain battery stats reporting activity.
Click to expand...
Click to collapse
If I remember correctly from my n1,, spare parts was for rooted phones
Sent from my HTC Sensation 4G using Tapatalk

Add me to the list of people whose battery life died after the upgrade. I even tired a factory reset over the weekend to no avail. I also tried switching batteries from another Sensation that I have which wasn't being used but no luck there either. In my mind it definitely is a software issue. And to think I used to brag about this phone's battery life!
I just need to root this thing and move on. Was hoping the HTC root process would come out soon. The instructions make rooting HTC's seem more complicated than my Samsung Vibrant which was pretty simple.

How do you calibrate the battery? lawl

If you're rooted, you can download an app called Battery Calibration that will help with calibrating the battery.
Otherwise, basically run your phone up to 100%, then drain it down to 0 until it shuts off, then recharge it back to 100%. Do this several times over the course of a few days and it should be calibrated.

Been experiencing the same thing. Finally got around to checking wakelock, and found that HTC sense had wakelocked the phone for 9 hours (the awake bar in system settings was solid). Some quick googling suggests that in certain cases, the HTC Sense sync can do this, so our common denominator may be that we all have a sense account set up.
I've disabled sense in my accounts, and killed the sense service. We'll see if that "fixes" it.

Radio battery usage.

Can someone please explain this to me, or help me understand this. My battery drops like crazy all the time. Last night I fully charged, cleared stats, fully charged again, pulled the battery, restarted and left sitting in an area of my house with good coverage. This is what I wake up to.
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20% drain. Go to the settings and look at what's been eating the battery. Roughly 10% of my battery was consumed by the radio. But, it only shows 2% of the time without signal.
I have os monitor installed. Is there a way to have it record consumption, etc while the screen is off? Or is there another option you guys know of.
Sent from my PG06100 using xda premium

jsp254 said:
Can someone please explain this to me, or help me understand this. My battery drops like crazy all the time. Last night I fully charged, cleared stats, fully charged again, pulled the battery, restarted and left sitting in an area of my house with good coverage. This is what I wake up to.
View attachment 787795
20% drain. Go to the settings and look at what's been eating the battery. Roughly 10% of my battery was consumed by the radio. But, it only shows 2% of the time without signal.
I have os monitor installed. Is there a way to have it record consumption, etc while the screen is off? Or is there another option you guys know of.
Sent from my PG06100 using xda premium
Click to expand...
Click to collapse
I had the same issue a while back. My phone was dying in 3 to 4 hours with no use. What mine turned out to be was something got screwed up installing a new rom. After that no matter what I flashed nothing changed. Sense, aosp. It didn't matter.
When mine did this I also had trouble even receiving phone calls as well as making them. I would get the call but then there would be no sound whatsoever. Are you having that issue as well?
Anyway the only thing that fixed it for me was to ruu back to stock and then re root. I wouldn't jump to that conclusion yet especially if your not having the same issues I did but I do feel your pain. Good luck
Sent from my Nocturnal Shift using XDA App

Iwould try flashing a different Rom. Have you updated your radios? If not I would. But definately try a different Rom. Also be very sure to Clear your device properly before a flash. If not it can cause a lot of strange issues.
TEAM MiK
Mik Roms Since 3/13/11

I use clockwork. When I install a new rom I reset in fastboot, do the same in recovery, wipe cache, then I go to advanced and format cache, dalvik, sd-ext, and system. I think that's all of them. Basicly anything listed anywhere in the recovery that wipes/formats anything but the fat32 portion of my card. Then install. The exception to this is with cm7 anf new nightlies. Then I wipe cache and dalvik. Then install the nightly over the existing install. I never use rom manager to flash anything. Nor do I use kernel manager to install new kernels. I have installed the new radio and wimax although I'll never see 4G around here.
I guess I may do the ruu thing. That sucks.
Also, I've noticed when I fully charge, regardless if I unplug it as soon as it reaches 100% or let it sit for a while longer, when I unplug it the phone drops to 96% or so like hella fast.
I have also considered I may just have a bad battery now.
Sent from my PG06100 using xda premium

If you suspect the battery you can always AnTuTu Tester to check the battery. If it is the battery you can always go to your local Sprint store and ask them to exchange yours.

Cool. Thanks bro. Downloading now. They will just swap batteries?
Sent from my PG06100 using xda premium

They will do a short test on the battery. Then most likely switch it out, free of charge. They've done this for me several times.
TEAM MiK
Mik Roms Since 3/13/11

I'm having the same problem with my wife's shift.
She told me a week ago the battery started draining like crazy overnight, like 60% drop without wifi or 3g turned on.
I have ss8 with dodgekernel and latest radio 1.08
I looked at it and thought maybe a problem with apps, so I put autostarts app on to kill unnecessary apps.
This still didn't fix it.
Also traded batteries, also no fix.
I unrooted and brought to sprint.
They couldn't figure it out and told me to update to 2.3 and if the problem is still there to bring it back for a replacement.
I'll do that and let you guys know.
Right now it's running fresh and the problem is still there.
The signal cuts out completely every 30 sec. or so no matter if it's full signal or not.

i tried the app mentioned. it drained the battery to like 20% before stopping. it rated it a 548 i thing. it places it above the incredible. not really what i thought the test would show.
right now i'm running the nocturnal rom for a while. i'm going to see how it does tonight before adding any of my usual cast of apps. i figure the best test i can do is to let it run naked and see how the drainage is. i plan on having it at 100% and let it sit for 6-8 hours.
tomorrow i'll ad my most important apps and make sure their notification stuff is turned off. this list of apps includes weatherbug paid, dropbox, teamviewer, text editor, andexplorer, and andftp. weatherbug it the only one that runs the backgound updates. i have it set to refresh every 4 hours and have all the other updates/notifications/alerts turned off.

codygs83 said:
I'm having the same problem with my wife's shift.
She told me a week ago the battery started draining like crazy overnight, like 60% drop without wifi or 3g turned on.
I have ss8 with dodgekernel and latest radio 1.08
I looked at it and thought maybe a problem with apps, so I put autostarts app on to kill unnecessary apps.
This still didn't fix it.
Also traded batteries, also no fix.
I unrooted and brought to sprint.
They couldn't figure it out and told me to update to 2.3 and if the problem is still there to bring it back for a replacement.
I'll do that and let you guys know.
Right now it's running fresh and the problem is still there.
The signal cuts out completely every 30 sec. or so no matter if it's full signal or not.
Click to expand...
Click to collapse
Updating ( downgrading ) to 2.3 Factory Stock GB will not resolve the issue. As for Autostarts App, it's kind of like a Task Killer. Which have been proven to use more battery and CPU then they save. When you went to Sprint and they gave you a "new" battery. Did the guy go in the back and bring one out? Or did he just hand you a new one in the package? There's a reason I'm asking. I went to Sprint 3x's and they gave me "new" batteries. But it wasn't until I refused the one handed to me opened, and insisted on an unopened packege that I believe I truely received a new battery. I watched that day as they exchanged several batteries for customers. Everytime the employees would go to the back desk, put down the battery they had in their hand and just grab one off the desk. Which was one someone else had bought in obviously for an exchange . That is why I demanded a new one in the package. Also the Stock Factory GB release is plagued with annoying Not a batch restore, or a restore with TB. Just to make sure it's not a rogue app.
jsp254 said:
i tried the app mentioned. it drained the battery to like 20% before stopping. it rated it a 548 i thing. it places it above the incredible. not really what i thought the test would show.
right now i'm running the nocturnal rom for a while. i'm going to see how it does tonight before adding any of my usual cast of apps. i figure the best test i can do is to let it run naked and see how the drainage is. i plan on having it at 100% and let it sit for 6-8 hours.
tomorrow i'll ad my most important apps and make sure their notification stuff is turned off. this list of apps includes weatherbug paid, dropbox, teamviewer, text editor, andexplorer, and andftp. weatherbug it the only one that runs the backgound updates. i have it set to refresh every 4 hours and have all the other updates/notifications/alerts turned off.
Click to expand...
Click to collapse
As a rule of thumb when you do a fresh flash. You should let it settle for several hours before installing any apps. When you do reinstall apps, try not to restore data if at all possible. Lastly try to install apps one t a time. That way you know how they're doing with your setup, and if there's an issue. If there is it's alot easier to track down.

Yeah I noticed the tech at the store was at a loss for words when I told him it's not the software but he insisted that I update to 2.3 before they gimme a new shift.
Also, for the battery I just put my battery in her phone which gives me about 24hrs heavy use on ss8. And only about a 2% bat drain overnight on mine.
This obviously did not solve the issue.
I'm convinced it's the hardware, just gotta update to 2.3 before they swap it out.
It's just a huge inconvenience since the only sprint retailer is 30 min. away and last time I waited 3 hours for them to shrug their shoulders at me.
thanks for the advice though, I'll keep that in mind
prboy1969 said:
Updating ( downgrading ) to 2.3 Factory Stock GB will not resolve the issue. As for Autostarts App, it's kind of like a Task Killer. Which have been proven to use more battery and CPU then they save. When you went to Sprint and they gave you a "new" battery. Did the guy go in the back and bring one out? Or did he just hand you a new one in the package? There's a reason I'm asking. I went to Sprint 3x's and they gave me "new" batteries. But it wasn't until I refused the one handed to me opened, and insisted on an unopened packege that I believe I truely received a new battery. I watched that day as they exchanged several batteries for customers. Everytime the employees would go to the back desk, put down the battery they had in their hand and just grab one off the desk. Which was one someone else had bought in obviously for an exchange . That is why I demanded a new one in the package. Also the Stock Factory GB release is plagued with annoying Not a batch restore, or a restore with TB. Just to make sure it's not a rogue app.
As a rule of thumb when you do a fresh flash. You should let it settle for several hours before installing any apps. When you do reinstall apps, try not to restore data if at all possible. Lastly try to install apps one t a time. That way you know how they're doing with your setup, and if there's an issue. If there is it's alot easier to track down.
Click to expand...
Click to collapse

When all else fails RUU 2.2 and/or call sprint.
If you have to RUU to 2.3 to get a new phone do it. It's better than going through Asurion.

Weird battery issue

For the past little while my battery has been draining very quickly. It turns out that my power button wasn't grounded and stopped working soon after the battery issues started. I got the power button replaced and ordered a new battery, but now the battery is acting even weirder and I'm not sure if it's a issue with the new battery or with my phone.
The battery will drain fairly slowly (six hours to go from 90% to 50%), but will then drop from 50% to 30% in a matter of minutes and then to 13% even quicker before the phone will shut down completely. I've tried wrong the battery stats but it doesn't seem to have helped.
I'm guessing that it's a problem with the new battery, but I was wondering if anyone had experienced any similar issues? I'm going to switch back to the old battery and see how long it lets as a test but I would like to figure this out soon. Thanks
Sent from my Nexus 7 using xda app-developers app

Hi,
Maybe u can post ur battery stats to help us understand what ur using during the battery drain.
What ROM/kernel are u using?
Is the drainage during WiFi or data usage. If its data, how strong is ur signal?
There is so much that can be causing this so the more info, the better.
Oh, and is the new battery a knock-off? If so that can also be an issue.
Where did u buy it?
Thx
Vs Nexus S4G using tapatalk2

vidaljs said:
Hi,
Maybe u can post ur battery stats to help us understand what ur using during the battery drain.
What ROM/kernel are u using?
Is the drainage during WiFi or data usage. If its data, how strong is ur signal?
There is so much that can be causing this so the more info, the better.
Oh, and is the new battery a knock-off? If so that can also be an issue.
Where did u buy it?
Thx
Vs Nexus S4G using tapatalk2
Click to expand...
Click to collapse
My battery stats from last night were mainly screen and maps. I turned off automatic updating in maps though. I can edit this post after I use my phone a bit.
I'm on stock everything but rooted.
I always leave WiFi on, but the battery has gone from 50 to 30 to dead when I wasn't connected to a network. My signal without WiFi is normally three to four bars, and WiFi is about the same.
The new battery is more than likely a knockoff. I ordered a $10 battery from eBay (my bad).
Sorry about not paying more info. I wasn't sure what else to post. Please let me know if there's anything else you need to know. Thanks
Sent from my Nexus 7 using xda app-developers app

hoponpop said:
My battery stats from last night were mainly screen and maps. I turned off automatic updating in maps though. I can edit this post after I use my phone a bit.
I'm on stock everything but rooted.
I always leave WiFi on, but the battery has gone from 50 to 30 to dead when I wasn't connected to a network. My signal without WiFi is normally three to four bars, and WiFi is about the same.
The new battery is more than likely a knockoff. I ordered a $10 battery from eBay (my bad).
Sorry about not paying more info. I wasn't sure what else to post. Please let me know if there's anything else you need to know. Thanks
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Well if you're stock(I assume you rooted but kept the same ROM) then maybe you can change kernels
or
Look for a ROM that has the stock feel but has tweaks that can save your battery life. There are a few out there.
But you'll get arguments that stock is not always the best ROM for great battery life.
Its a personal choice so look at the ROMs and pick one after you've read the thread to see similar issues/wants from it.
Good luck

If you are on Jellybean Stock then you should seriously consider using a custom ROM because Google hasn't yet released the perfect Jellybean like they released the perfect ICS in 4.0.4 update..
Secondly, you should try cyanogenmod based ROMs whichever have been great when talking about battery life (There are really awesome ROMs out there).
And follow the below mentioned steps and observe for a full 100-0% cycle drain times and get screenshots of battery stats with screentime and post here..
1. Turn the Screen Brightness to minimum; the tolerable value for you.
2. Remove any unwanted apps.
3. Keep WiFi switched off when not in use.
4. Set the multitask value by Going to Settings -> Developer options -> Background process limit -> At most 4 processes
5. Use minimum widgets and minimum home screens if possible
6. Uncheck the location services in settings. You can switch them ON when required very easily.
7. Clear Running Apps from Settings -> Apps -> RUNNING & also by long pressing Home button.
8. Clear cache at regular intervals and always use back button rather than using Home button
If above steps make a difference then it will become your style or else change the battery and get something like from OEM.
Sent from my Nexus S using xda premium

I took some of dark's advice, although I had already been doing a lot of that stuff. I'm not complaining about the battery life on the stock rom (I have already accepted that it's not the best), but rather the issue of having my battery drop from 50% to dead within 20 minutes, even without use (not at all normal for me). Does anyone know what could be causing that issue?

hoponpop said:
I took some of dark's advice, although I had already been doing a lot of that stuff. I'm not complaining about the battery life on the stock rom (I have already accepted that it's not the best), but rather the issue of having my battery drop from 50% to dead within 20 minutes, even without use (not at all normal for me). Does anyone know what could be causing that issue?
Click to expand...
Click to collapse
How about a screen shot of ur battery stats?
There could be an app or the OS hogging up ur battery.
Vs Nexus S4G using tapatalk2

vidaljs said:
How about a screen shot of ur battery stats?
There could be an app or the OS hogging up ur battery.
Vs Nexus S4G using tapatalk2
Click to expand...
Click to collapse
My battery seems to be holding strong. I'm worried about what will happen when it hits 50% though.
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Sent from my Nexus S using xda app-developers app
edit: i'm sort of wondering if my phone is reading the battery correctly. it kind of seems like six hours is a lot of uptime just to get to 50%, so the rapid drop to zero might just be because the phone isn't correctly reporting the battery's charge.
edit #2: my phone got down to ~30% battery no problem before it shut off completely. upon plugging it in to get the phone turned on, the battery had dropped to 20% and then dropped to 17% with the screen off and the phone plugged in

Clear Battery Stats
hoponpop said:
My battery seems to be holding strong. I'm worried about what will happen when it hits 50% though. View attachment 1386251View attachment 1386253
Sent from my Nexus S using xda app-developers app
edit: i'm sort of wondering if my phone is reading the battery correctly. it kind of seems like six hours is a lot of uptime just to get to 50%, so the rapid drop to zero might just be because the phone isn't correctly reporting the battery's charge.
edit #2: my phone got down to ~30% battery no problem before it shut off completely. upon plugging it in to get the phone turned on, the battery had dropped to 20% and then dropped to 17% with the screen off and the phone plugged in
Click to expand...
Click to collapse
Your battery seems to be good enough to withstand the usage. There is one thing you can still try;
Let the battery drain completely and let the phone get switched off.
1. Now plug in the charger and on the phone go to your recovery. Here I suppose you have the latest CWM recovery.
2. Go to Advanced -> Clear Battery Stats -> Confirm by scrolling. Then reboot the phone and avoid using it before it's charged completely.
3. Now let the battery charge 100% and only after that you unplug it and don't interrupt the charge cycle.
4. Observe the changes in discharge timings. And also paste a screenshot of Screen Usage time by tapping on Settings -> Battery -> Screen (The Time on details...)

darkmentor25 said:
Your battery seems to be good enough to withstand the usage. There is one thing you can still try;
Let the battery drain completely and let the phone get switched off.
1. Now plug in the charger and on the phone go to your recovery. Here I suppose you have the latest CWM recovery.
2. Go to Advanced -> Clear Battery Stats -> Confirm by scrolling. Then reboot the phone and avoid using it before it's charged completely.
3. Now let the battery charge 100% and only after that you unplug it and don't interrupt the charge cycle.
4. Observe the changes in discharge timings. And also paste a screenshot of Screen Usage time by tapping on Settings -> Battery -> Screen (The Time on details...)
Click to expand...
Click to collapse
I'll try that later. I thought you were supposed to reset battery stats when your battery was completely charged so that's how I did it the first time thanks
edit: i'm just about to reset the battery stats again. my phone decided to show 40% battery as I was walking home, but then shut off and shows 0% battery now that i'm home and have access to a charger. i'll let you know what happens once the phone is fully charged. additionally, my phone will say charged while plugged in when my battery monitor thing says that it's only at ~89%, so I don't know if that has anything to do with it. thanks again

Everything seems to be going well today. I'm about 8.5 hours on battery now so I figure I'll let my phone charge a bit. Thanks again, dark. Hopefully this time it'll stick.
Sent from my Nexus S using xda app-developers app

Every battery exhibits different discharge curves vs voltage. The os estimates battery level based on voltage. It is possible that the batteries discharge curve is just very flat throughout with a steep drop in voltage near the end which would produce the results you are experiencing. Wiping battery stats has no bearing on this issue, google cleared up what battery stats really does over a year ago. Best suggestion is to drain the battery fully, charge to 100% and repeat the process several times. This will help both the batteries discharge curve and the os's estimation based on voltage. If the problem persists, buy another battery (preferably not a knockoff) and test again. If you are still having problems after that, you may have a hardware issue with the phone. Does not seem to be a Rom issue, otherwise the drain would be happening constantly, not just after 50%.
Sent from my HTC One X using xda app-developers app

[Q] how come my battery always sucks!

something that ive been always been wondering..
every time i get a new phone i seem to have bad luck with them when it comes to battery..(optimus 4x, nexus 4, nexus 5) i always see reviews and comments saying they get X screen on time and i always get X-2 screen on time and poor standby time
ive tried everything, changing roms, kernels, checking wakelocks turning wifi or 3g off when not used(LTE always off)
the most i ever seem to get is 3 hours and thats a really good day on low performance(underclocked) and i also barely game..
how in the hell do people get 5 hours screen time and complain about it.. meaning that they actually get more! and they say they game and browse alot.. im not only comparing to people online, i also compare with my friends who get good battery.. we dont seem to be doing anything different
does anyone know the problem/solution to this?!

I really recommend to go on stock firmware and DON'T install/restore any of ur apps.
Then see what's up.
CHEERS

It's all about looking at what is using your battery and mitigating as many of them as you can. Some people might find they can't live without many features of a phone and so will generally get less time then someone who is willing to sacrifice certain features or adjust their usage to improve battery time.

Sharing your full setup could help us help you... ROM, kernel and kernel settings, apps installed, tweaks made, wakelocks you're having, etc.
Personally, I'm coming to the N5 from the Verizon Galaxy Nexus, and I've been astounded with the battery life of this phone. It's the first time in over a year, that I don't feel the burning need to carry a charger with me everywhere I go. Additionally, this is the first device that's made me seriously consider NOT rooting.
As of this moment, I'm running rooted stock firmware, with Faux kernel 008m, and I'm getting spectacular results! I'd love to help you work this out.
As a point of comparison, this is a battery life readout I took two days ago... I can't complain at all about nearly 27 hours of uptime, with 4 hours SOT.
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This is on T-Mobile LTE the entire time, GPS on, moderate usage, and only useless apps (for me at least) frozen, including the GEL launcher, the stock news app, Google Earth, the stock email app, and the non-English keyboards...that's it.
Sent from my Nexus 5 using Tapatalk

Hannibal226 said:
I really recommend to go on stock firmware and DON'T install/restore any of ur apps.
Then see what's up.
CHEERS
Click to expand...
Click to collapse
what do you mean? what the point of my phone with no apps

jjhiza said:
Sharing your full setup could help us help you... ROM, kernel and kernel settings, apps installed, tweaks made, wakelocks you're having, etc.
Personally, I'm coming to the N5 from the Verizon Galaxy Nexus, and I've been astounded with the battery life of this phone. It's the first time in over a year, that I don't feel the burning need to carry a charger with me everywhere I go. Additionally, this is the first device that's made me seriously consider NOT rooting.
As of this moment, I'm running rooted stock firmware, with Faux kernel 008m, and I'm getting spectacular results! I'd love to help you work this out.
As a point of comparison, this is a battery life readout I took two days ago... I can't complain at all about nearly 27 hours of uptime, with 4 hours SOT.
This is on T-Mobile LTE the entire time, GPS on, moderate usage, and only useless apps (for me at least) frozen, including the GEL launcher, the stock news app, Google Earth, the stock email app, and the non-English keyboards...that's it.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
ive tried almost every rom-kernel combination there could possibly be all resulting the same.. my stock had OK-ish battery life but still not great
im on 100% now charging so theres nothing to upload and my wakelocks show nothing just maps.. and i forgot to mention that i usually turn off location as well.. i have no problem changing to stock but most people get good battery life with roms too..i dont mind which kernel either cause every kernel will be really fast with the snapdragon 800
current rom liquid smooth
kernel - just upgraded to faux an hour ago.. phone is heating and percentage dropping fast(not that the previous ones were great)
no tweaks
kernel settings
fast fast charge, eco mode and intelliplug- all on
300000-2265600 frequency
and ondemand governer

namnam123 said:
ive tried almost every rom-kernel combination there could possibly be all resulting the same.. my stock had OK-ish battery life but still not great
im on 100% now charging so theres nothing to upload and my wakelocks show nothing just maps.. and i forgot to mention that i usually turn off location as well.. i have no problem changing to stock but most people get good battery life with roms too..i dont mind which kernel either cause every kernel will be really fast with the snapdragon 800
current rom liquid smooth
kernel - just upgraded to faux an hour ago.. phone is heating and percentage dropping fast(not that the previous ones were great)
no tweaks
kernel settings
fast fast charge, eco mode and intelliplug- all on
300000-2265600 frequency
and ondemand governer
Click to expand...
Click to collapse
I recommend do this on a stock ROM, but can work on any.
Have your phone set up normally. Charge it full, reboot in "safe mode" and don't open any apps. Just let it do its thing for a few hours, or over night. See how the battery life is now. It should improve. If so, you got something 3rd party killing it.

Turn off location reporting and location history. It'll improve your battery life dramatically without making any noticeable impact on the phone's capabilities (including Google Now). I also recommend disabling Google+ if you don't use it.

^Great suggestion!
@namnam123 did you have heat issues with the phone, prior to flashing Liquid or Faux? From my Galaxy Nexus days, I remember heat problems being caused (occasionally) by an improper/nonexistent wipe during flashing. You cleared dalvik and cache at least, correct?
Sent from my Nexus 5 using Tapatalk

namnam123 said:
what do you mean? what the point of my phone with no apps
Click to expand...
Click to collapse
The point is to see if the battery still drains as quickly without any third-party apps or mods. If not, then the problem isn't the phone, but rather something you installed on it. Some apps can run in the background and drain battery power even when you're not using them. Some mods like custom kernels can also worsen battery life.

namnam123 said:
what do you mean? what the point of my phone with no apps
Click to expand...
Click to collapse
BirchBarlow said:
The point is to see if the battery still drains as quickly without any third-party apps or mods. If not, then the problem isn't the phone, but rather something you installed on it. Some apps can run in the background and drain battery power even when you're not using them. Some mods like custom kernels can also worsen battery life.
Click to expand...
Click to collapse
Exactly

jjhiza said:
^Great suggestion!
@namnam123 did you have heat issues with the phone, prior to flashing Liquid or Faux? From my Galaxy Nexus days, I remember heat problems being caused (occasionally) by an improper/nonexistent wipe during flashing. You cleared dalvik and cache at least, correct?
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
yes i always wipe the cache and dalvik cache

Make sure wifi scanning is off too. And ages ago usb fast charge used to cause issues with massive battery drain when the screen was on. So turn it off and see if it helps. I am talking years ago tho. It was literally meant to be turned on when plugging in and leaving the phone alone. Then disabled when taking off charge
Also post some screen shots of your battery stats
Sent from my Nexus 5 using Tapatalk