Develop Bugs

Incredible Battery Issue!!

I put the leaked 2.2 update onto my phone and it has been great. I have only had one issue with it thus far. Starting yesterday my battery life plummeted drastically out of the blue. It seems like it came out of thin air. There is no water damage or anything. I am avoiding doing a data reset. Does any one have any other suggestions?

Is your phone staying constantly awake? Is there an App causing it stay running? Are all of your apps up to date?
I've been on a 2.2 ROM for over a month and I have great battery life, even with my overclocked kernel.

TheWhiteBandito said:
Is your phone staying constantly awake? Is there an App causing it stay running? Are all of your apps up to date?
I've been on a 2.2 ROM for over a month and I have great battery life, even with my overclocked kernel.
Click to expand...
Click to collapse
I use Advanced Task Killer and my phone goes to sleep after 1 min. 2.2 Worked perfect with great bettery life for about 2 weeks. But last night everything went downhill. It maybe an App i downloaded? but i looked in my apps and things seemed to look normal.

Do you have the task killer automatically set to kill after a certain amount of time? If you do you may be killing processes only to have them be restarted right away by android system, then killed again, restarts...and so on. That will kill your battery like crazy! To be honest, try going 24 hours without your task killer and see what happens, I noticed an improvement. The way android manages it's processes there is no need for a 3rd party task killer. Also try the KingzKernel's they are fantastic with battery life.
Why Task Killers are not needed.http://geekfor.me/faq/you-shouldnt-be-using-a-task-killer-with-android/

tcberg2010 said:
Do you have the task killer automatically set to kill after a certain amount of time? If you do you may be killing processes only to have them be restarted right away by android system, then killed again, restarts...and so on. That will kill your battery like crazy! To be honest, try going 24 hours without your task killer and see what happens, I noticed an improvement. Also try the KingzKernel's they are fantastic with battery life.
Click to expand...
Click to collapse
It is not set to auto kill. I just kill things when i feel i need too.

msimmons814 said:
It is not set to auto kill. I just kill things when i feel i need too.
Click to expand...
Click to collapse
K, regardless, uninstall it for 1 day. U may notice a decrease in it benchmarks but ur actual performance will not change. I was a skeptic too, just give it a shot.
Sent from my ADR6300 using XDA App

I'm having the exact same issue. I flashed the virtuous 2.2 rom. The battery is dropping waaay too fast. This needs to be figured out

anothen said:
I'm having the exact same issue. I flashed the virtuous 2.2 rom. The battery is dropping waaay too fast. This needs to be figured out
Click to expand...
Click to collapse
I'm having the exact same issue. I just flashed SkyRaider 2.5.2 the other night and Radio 2.15.
The problem I'm having is that my charge is taking almost 4-5 hours to charge when it use to only take a couple hours. Also, my battery is draining QUICK.
I just clocked it and I went from 100% battery after a 12-hour charge to 93% in about five minutes.
PLEASE, someone help with this issue.

I never had any issues with the original 7/28 leak (or whatever the date was), and once having the bugs worked out, never bothered with the 8/1 leak. I did the 8/26 leak as soon as it came out and was plagued with charge times exceeding my 7-hour per day sleep schedule, and battery life that would drop drastically with the screen off. I literally went from 40% to 5% in a matter of two hours with my phone sitting on my desk, screen off. I used nandroid restore to go back to the 7/28 leak i had backed up. I'm not sure where the bug is, but I hope Verizon/HTC release this update soon, so the OTHER 95% of Incredible owners can start *****ing too. Then maybe something will get done.

I tried bump charging this morning and it made no difference whatsoever. Withing 2 hours I'm at 35%. No Facebook syncing or really anything syncing for that matter... Just a crappy battery issue. Tried different Kernels and no difference which leads me to believe it may be Froyo or the Rom I'm using which is the virtuous Rom but that doesn't make sense....

I'm surprised this has not been addressed on a much larger scale within the XDA community. There is no way anyone could enjoy their Dinc with that much battery drain.
I am using the 3500 mAh battery and with stock phone and no root I was able to charge my phone in about an hour and could get nearly 2 days with heavy usage. Now I'm not sure I can even get 12 hours, but I haven't fully tested that theory yet.
My plan today is to do a full charge (Which will be done in a matter of minutes) and then I am going to do some clocking to see exactly how long it takes to discharge.
Regardless, why is this not a major concern in the community? I only see a few posts relating to it.

Ok, so I think this has been brought up before.
When my phone is at a complete IDLE (89%), my CPU is rocking out at 900+MHz.... I think this is what is causing my severe battery drain. Can any developers respond to this or can someone else advise? My sister who uses her stock phone with no root, etc is idling between 245MHz and 320MHz.
My battery is dropping way to quick and this has to be the answer. Please help. Thanks!
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Thing is...
If you're on this forum, you're probably a constant tweeker. The so called "battery issue" is all over the place depending on who you talk to. I wrote "Making Your Droid's Battery Incredible" over at my website, but essentially you need to figure this out yourself. Battery usage depends on so many things like the programs you run, the kernel you're using, and the battery you have (and the condition of said battery). If there were a uniform problem, it would be much easier to identify.
Oh, and if you're humming along at 900mhz while idle, try SetCPU.

Holy bad battery life Batman!

I'm on Stock 2.2 US and Battery Life is HORRENDOUS. I have the Moto Charge app that displays actual battery in the status bar. I charged to 100%, wiped battery stats, turned it on and after 6 minutes of no use, I'm at 97%. What am I missing here?

Are there any apps constantly running in the background?
Do you have bluetooth/wi-fi/gps switched on all the time?
Are you using your phone somewhere that's unusually hot, cold or humid?

Step666 said:
Are there any apps constantly running in the background?
Do you have bluetooth/wi-fi/gps switched on all the time?
Are you using your phone somewhere that's unusually hot, cold or humid?
Click to expand...
Click to collapse
No, no, no, no, no

How long have you had it?
Has the battery always been this bad?
Has it only started recently? Is there some sort of cause, something that happened that has brought about this poor performance?

I just got the phone from a friend but I do not believe it to be an issue directly related to this specific handset.

Having GPS "on" all the time will not drain your battery as it is only being made "available" when an app needs it (mine is always checked and has zero effect on the battery until actually used). Did you do a factory reset after installing 2.2? On the Moto forum many issues are resolved with a reset.

hah2110 said:
I'm on Stock 2.2 US and Battery Life is HORRENDOUS. I have the Moto Charge app that displays actual battery in the status bar. I charged to 100%, wiped battery stats, turned it on and after 6 minutes of no use, I'm at 97%. What am I missing here?
Click to expand...
Click to collapse
Lithium-ion batteries have a big drop off at the start of the discharge profile.
They will then maintain a fairly steady state between about 80% - 40%.
A 3% change, therefore, from 100 to 97 is not equivalent to a 3% change from 80% to 77%.

I'm pretty certain it is specific to your handset - most Defys have very good battery life.
Here's my handset:
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At that rate, it should last ~5 days.

There are always something running in the background. Install a cpu monitoring application and see if the cpu is running wild.
In my case, 1% power lasts for 3~5 minutes usage (game, movie, surfing etc), or 2 hours standby (wifi off), or 1 hour standby (wifi on).

I checked Battery Use, there is nothing crazy. I've also checked Battery History and nothing is using the CPU or keeping it awake. I actually wiped the phone last night, didn't have a sim card in it and left it on over night and it lost 14% in 7 hours. It shouldn't have even lost 2% given that it wasn't connected to a cell tower. I have wiped it twice.

hah2110 said:
I checked Battery Use, there is nothing crazy. I've also checked Battery History and nothing is using the CPU or keeping it awake. I actually wiped the phone last night, didn't have a sim card in it and left it on over night and it lost 14% in 7 hours. It shouldn't have even lost 2% given that it wasn't connected to a cell tower. I have wiped it twice.
Click to expand...
Click to collapse
I am of a differing opinion.. I think these android devices have terrible battery life.
That being said, invest in a few of the cheap Hong Kong 1800mAH batteries on ebay.
I had a good experience ordering from "farmerseller". Curiously, I ordered 1500mAH batteries but received 1800 mAH batteries..... it took a while to arrive, but they work great and the charger is nicely designed.

luxdesigns said:
I am of a differing opinion.. I think these android devices have terrible battery life.
Click to expand...
Click to collapse
Compared to what?
What's your frame of reference?
I'm not aware of any other smartphone with specs similar-to or better-than the Defy's that gets anywhere near the battery performance my phone does.
Everyone I know with Galaxy Ss or Desires charges basically every day, one friend with an iPhone4 can get a couple of days out of it but most are only a day, friends with Blackberrys get a couple of days or so.
I regularly surpass 3 days of what I would call normal usage - web browsing, texting, a bit of gaming and the odd call here and there.

Are there any ROMs known to get better battery life? On both my N1 and NS, certain ROMs performed LIGHTYEARS better than other ROMs in the battery department. This is a well known fact that Android is inconsistent on battery life.

So I wiped, re-wiped, flash the beach update.zip, wiped, re-wiped and I'm not confident the wipe is working. http://forum.xda-developers.com/showthread.php?t=988036
Regardless, I also find it odd that my battery was at 85% and, after the flash/wipe, it charged to full in <10 minutes.

Give it a few days of usage and see the results afterward. Basically it needs some cycles to re-create the battery stats after wiping.
You can also install Powertutor to check what apps are "consuming" the battery.
From my experience: with light usage I made once 3 days but normally 1-2 days is all I get (3g, some talks, 30 min browsing, some ebook reading). It was the same with my past 2 Android phones and some 4 Win Mobile phones...
When you are in a really tight spot do the usual tricks: 2g only, disable APN, don't play too much with the phone. You will probably get 3-4 days in one charge

I updated to 2.2.1 also, and battery life went right down the tubes. I lived with it for two days, and then did a factory reset, and now I have better battery life than with 2.1. I really didn't want to factory reset because of all the fine tuning I did, and not to mention re-downloading all the apps and setting them back up, but I must say it was worth it. After 13 hours I'm at 30%, and that is with heavy use. I started at 100% and in 10 hours without using it much at all, it only dropped 10%, so 1% an hour I can live with. Once I started playing game it went fast, but that is to be expected.

Ahhh!!!!! You guys are killing me from laughter. Don't take this the wrong way....but read more items on these forums...they are a welath of information. First off.... battery stats are wiped. It will take a few days of charging/discharging for the phone to get an accurate idea of actual use. It needs a baseline created. Don't worry yet. It can take up to a week to get really good stats. As for the horrible life on 2.2....did you wipe battery stats before flashing? If not thats your problem. You have to wipe the stats when you go to 2.2. Different profiles and usage. It's mentioned in a number of the roms. With steady hard usage I'm averaging about 2 days between charging. On standby with no use the best I have gotten so far is 6 days. RTFM.... Hope this helps out.

my galaxy nexus's screen is draining to much battery

hey.
i bought a new one like 3 days ago, rooted and installed android revolution HD custom ROM.
which says makes the battery better and has a custom kernel so im not overclocking my processor or anything.
i even fully charged to 100% and wiped all battery stats with CWM.
on my battery stats page it says my screen is using 50% of my battery and when i press it it says its been on for 2 hours ( out of the 14 hours my phone has been since i charged it )
thats too much battery drainage going on here.
any help ? or suggestions ?
oh i also have my wifi on and my screen brightness set to the lowest possible

This is normal just read over threads....
Sent from my GT-P7510 using xda premium

beirouty said:
hey.
i bought a new one like 3 days ago, rooted and installed android revolution HD custom ROM.
which says makes the battery better and has a custom kernel so im not overclocking my processor or anything.
i even fully charged to 100% and wiped all battery stats with CWM.
on my battery stats page it says my screen is using 50% of my battery and when i press it it says its been on for 2 hours ( out of the 14 hours my phone has been since i charged it )
thats too much battery drainage going on here.
any help ? or suggestions ?
oh i also have my wifi on and my screen brightness set to the lowest possible
Click to expand...
Click to collapse
You never mentioned what your final battery level was after 14 hours and 2 hours of screen? The "50% used" means 50% of the battery used to that point.
FWIW, I'm showing the following at the moment:
78% battery remaining
3h 51m on battery
Screen: 62%, Android OS: 17%
Screen on time: 1h 17m
So, based on this, I'd expect to get maybe 15-20 hours of charge and 4-5 hours of screen use out of a full battery, which is about right.
Daern

Battery life of a brand new device is always going to be a little poor.
Here's what I do: Charge it up all the way when you first get it. Then run it down until you get the low battery warning. Then charge it up. Then use it normally.
After a week or so, your battery life will normalize and should be much better than the first couple days.

alright
i will wait until its on 5% or so and charge it to full again.
my battery is on 48% now after 14hours of use
2 hours screen ( 51% screen usage )
android os 15%
notice that im running with the minimum screen brightness which is not what i want to be on most of the time =/
but i have wifi on AT ALL TIMES, it doesnt drain as much battery as the screen.
anyway i will wait for the battery to normalize like one of the users said and see what happens.
thanks a lot

it's normal for android phones or any phones for that matter.

beirouty said:
alright
i will wait until its on 5% or so and charge it to full again.
my battery is on 48% now after 14hours of use
2 hours screen ( 51% screen usage )
android os 15%
notice that im running with the minimum screen brightness which is not what i want to be on most of the time =/
but i have wifi on AT ALL TIMES, it doesnt drain as much battery as the screen.
anyway i will wait for the battery to normalize like one of the users said and see what happens.
thanks a lot
Click to expand...
Click to collapse
48% remaining after 14 hours, with 2 hours screen on is pretty good actually, especially if you have had the phone under a week.
You will find the battery get better after half a dozen charges
Remember, its a 4.6inch screen with hd resolution, that's a big hi res screen by any stretch, and will use a bit of power
Rellikzephyr
Sent from my Galaxy Nexus using Tapatalk

The ARHD ROM is a good one, and you'll get excellent battery performace, especially if use with the James Bond kernel and undervolting settings. But to lower your screen battery drain, use a dark (or plain black) static wallpaper and auto brightness.

standard nexus , no rom kernel or GPS and Bluetooth, twitter Facebook and Gmail set to push. Playing games and listening to music , brightness 100%.
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No problems here
Sent from my Galaxy Nexus using XDA App

It's a 4.65" 720p for science's sake... based on your stats, you would get 4 hours of screen on time from a total of 28h on. What did you expect ? 10 hours of screen on time ? Sheesh... Where did you come from ? iCrap ?

Dunno, for me GSam says that the turned off screen takes almost 4 times more than turned on. I know how it sounds, but having screen drain about 20% from all, though it worked for 20 minutes of 2 days. And the common battery life if not too bad - about 20% per day. I cannot find the reason for already three weeks, how this could be?..

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When you have drain like me then you can complain . I have yet to figure out why my battery drains so fast, it ranges from 10-15% an hr while its just sitting there.

ie: if it says that the screen is draining it 50%, it means that 50% of the power drain on the battery was caused by the screen, it didn't drain your battery by 50%. The screen is the biggest power hog on most smart phones so your stats seem pretty normal.

Well, the drain is not big indeed Just to ensure, that it could happen at all and find out, what it could be - kind of perfrctionism
Just installed PGM, assuming it will change the statistics. Let us see how much.
OK, after maybe a day with PGM I should say the drain is same - about 1.5% per hour (with radio turned on). Trying to be more tolerant to drain now

Battery life + great battery monitoring application

I just got my Glide a few days ago. From the specs of the phone and reviews online I was expecting the battery to last very long, but that hasn't been my experience.
My battery was going down about 10% every hour which means I would barely make it through a work day without charging it again.
I found a great app called Battery Mix that tracks battery usage and estimates how long the battery is going to last. It shows a number called P/H (percent per hour) which tells you how many percent per hour the battery is going down (or up if you're charging). You can find the app here: https://play.google.com/store/apps/details?id=jp.smapho.battery_mix
When I first installed the app I was getting about 12.5 P/H which means the phone will only last 8 hours. I then uninstalled a few apps that use battery, but that didn't help much. Somebody said their battery improved when they formatted their SD card, so I just removed the SD card from mine. Now my battery consumption is down to about 8 P/H. The best I've seen is 7 P/H. This is better but still would only get me 12 hours and I'm not running all the apps I would like to be running.
I have JuiceDefender running now on the balanced setting. I'm running the Osimood ROM with Android 2.3.5. I've removed all background network polling apps like Facebook. Android OS is using 56% of the battery followed by display at 15%, so there isn't anything else that's eating up my battery.
How is the battery life on your Glide? Could you please install this app so we can compare numbers?

Woah, 56% battery life for the Android OS?
On daily usage it barely gets above 20%. The screen takes most battery life.
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Alex2221 said:
Woah, 56% battery life for the Android OS?
On daily usage it barely gets above 20%. The screen takes most battery life.
Click to expand...
Click to collapse
Thanks for the info.
Mine has been sitting on standby most of the day so that's probably why display is so much lower on mine than yours.
The high percentage of Android OS doesn't really worry me. It doesn't mean it's using a lot of battery; it just means it's using most of whatever is being used which could be a small amount.
Mine is doing much better now. P/H is down to 4.3 which means it could last 23 hours.
I really think the problem was the SD card. I'll pick up a different one after work today and see if it works better. I need a bigger one anyway.
I also found a thread that talks about corrupt image or video files on your phone causing bad battery life. That could definitely be what I'm experiencing. Should be fun figuring out which image is causing the problem.

what about downclocikng your cpu to 800? it will help i belive.

OK just installed it. I will let you know how mine is doing in a few days. I am fully Rogers stock.

I replaced the SD card and it seems to be doing better now. There may have been images on that card contributing to the problem.
I actually had GPS, wi-fi and bluetooth on the whole time. I've turned them all off now.
I've also underclocked it to 800. Thanks, taiber2000.
It looks like for the last hour it only dropped 3 percentage points.

If you are rooted and have ClockworkMod installed, you can sometimes get better battery life by resetting your battery stats. I think there are even some apps for rooted phones that will do it, but I don't have any experience with them. I can say, however, that resetting my battery stats using CWM increased my battery life significantly.
See here for one guide on how to do it: http://www.droidforums.net/forum/bugless/111009-get-better-battery-life-reset-battery-stats.html

sjbotha your welcome.
i belive i will do the same when i'll get my phone as well. altugh i will install the OC rooted kernel for better overall performance i will still downclock via software, not need the extra sterngh for my uses and i better have longer use time then CPU power.

I get 4.9 but the other day I was getting 12. All I did was Reboot my phone and I haven't started many apps. I think when they start they stay in memory.
Sent from my SAMSUNG-SGH-I927R using Tapatalk

Mine depends on usage:
-about whole day wifi-on with 3 hours games and calls; if battery is 100% at 6am, it will be 20-30% at 10pm
-whole day HSPA+ on, 2 hours phone calls + SMS/MMS, emails etc; if battery is 100 at 6am, it will be 50-60% at 11pm or before I sleep...
in terms of P/H:
-i get 3-5 P/H when wi-fi, Auto-Sync is on.
-i get 2-4 P/H on HSPA + Auto-Sync on.
-about 1-2 P/H or sometimes a straight line on Battery Stats when Idle, no data connection and/or auto-sync is on.
in other words, the glide can handle my needs in a whole day without completely draining it's battery.

Gonna buy a SW3. Drain persist?

Hello,
I want to get this smartwatch but is the drain as bad as everyone suggests? Is it fixed?
Thanks
Sent from my Blackberry Torch

I stopped yesterday to use my SW3. Impossible to keep a watch wich can be out of power in 2 hour from 50% before
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3 times last week, worse since last update few days ago.

Mine needs charging every day, no point having it, if you turn all the features off to extend the battery
Sent from my E6653 using Tapatalk

I get 2.5 days battery life on average. Had sudden drain twice since I have it. That's OK with me considering a recharge is done in under an hour and the watch is far less important than my phone.
In my experience with smartwatches like smartphones or any other computer it is helpful to reboot it once in a while. I do that after every two or three charge cycles.
There are so many factors that play into battery life or that might even drain the battery. As far as I can see there doesn't seem to be a specific thing that can be held responsible for the bad experience some people have with the sw3. I don't think there is anything wrong with the watch just bad luck and an unfortunate combination of circumstances for some users.

shamez23 said:
I get 2.5 days battery life on average. Had sudden drain twice since I have it. That's OK with me considering a recharge is done in under an hour and the watch is far less important than my phone.
In my experience with smartwatches like smartphones or any other computer it is helpful to reboot it once in a while. I do that after every two or three charge cycles.
There are so many factors that play into battery life or that might even drain the battery. As far as I can see there doesn't seem to be a specific thing that can be held responsible for the bad experience some people have with the sw3. I don't think there is anything wrong with the watch just bad luck and an unfortunate combination of circumstances for some users.
Click to expand...
Click to collapse
I also get 2.5 days on average, anyway sw3 is about to get Android wear 1.4(Android 6.0) and possibly all battery problems will be gone.

I have : SW3, LG-G, LG-R and a Gear2 with Wear Mode. SW3 is the only wich can drain battery from 50% to 4% in 2H. Exactly same app and same use case for the 4 watch.

drain issue hasn't been fixed, but a workaround I do that seems to stabilize it is to restart after charging. Haven't had a bad drain since.

pawces said:
drain issue hasn't been fixed, but a workaround I do that seems to stabilize it is to restart after charging. Haven't had a bad drain since.
Click to expand...
Click to collapse
I got mine on Friday, and was ready to send it back to Amazon by Sunday because of the battery drain,
However, after reading the posts on here about restarting after a full charge, it does seem better. It's still a problem that need fixing, but this workaround certainly helps.

i have no sudden drain problem at all, i get about 2,5 days with average use. I'm running latest stock unmodified LCA43 firmware

No drain here. Easy 2 days of battery per charge

I don't think it is an issue anymore.

Mine hasn't drained for a while but it did today. Went from about 50% to 10% in about an hour or two. ?

Had also the battery drain in the beginning (bought it maybe 10 month ago). Restarting after fully recharged helped...till yesterday. I've the same behaviour like user dersie & Sparksltd, suddenly it drops from 50% to 0 within 2h again.

JavaGP said:
I don't think it is an issue anymore.
Click to expand...
Click to collapse
It's definitely still a problem for me - seems that unless I do a restart after charging I get the drain issue after every third charge and the watch goes from 100% to dead in about 7 hours whereas on a 'normal' day I would expect to use around 40% in an entire day which equates to the 2.5 days use some users are reporting.

mr nick said:
It's definitely still a problem for me - seems that unless I do a restart after charging I get the drain issue after every third charge and the watch goes from 100% to dead in about 7 hours whereas on a 'normal' day I would expect to use around 40% in an entire day which equates to the 2.5 days use some users are reporting.
Click to expand...
Click to collapse
I did get a big drain back in December of 2015 along with everyone else, but looking back I think that drain was (or may have been) caused by the OTA update of the Android Wear OS - not the old drain issue. And except for that I haven't had one in months. I am very sorry to see that you and so many other SWR50 owners are still having problems with this.

Bought this watch two weeks ago and it's rock solid. No drain at all, it easily lasts for 2 days of usage.

I tend to switch mine off over night, I have noticed that from time to time despite being switched off it drains the battery. Has anyone got same issue ?

lexwon said:
I tend to switch mine off over night, I have noticed that from time to time despite being switched off it drains the battery. Has anyone got same issue ?
Click to expand...
Click to collapse
Yes
I'm trying to see with map disabled (see other post).

dersie said:
Yes
I'm trying to see with map disabled (see other post).
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I also consider buying it. And reading all this comments about the battery drain makes me dare to ask if the issue only persist when the GPS and WIFI are on?

nikolov47 said:
I also consider buying it. And reading all this comments about the battery drain makes me dare to ask if the issue only persist when the GPS and WIFI are on?
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No it is a random issue and we never know why ???
After 2 days without map I have no issue. No enough time to know if it is related but I have good hope of the issue is related to "Google map"