Develop Bugs

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.
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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.

Greatly improved battery life (CDMA)

Last night I restored my phone using the factory image. For some reason I anticipate an OTA soon so I wanted to be ready. Anyhow, before I suffered from the battery drain bug. I forgot to charge my phone last night, and didn't realize it until I got in my car and put it on the car charger and it said 89%. My first thought was that my battery drained over 10% in the hour I was getting ready and not using it! Then I went into battery settings and found out I never charged it.. then I found some pleasant... well, I'll just show you.
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As you can see, I lost less than 5% battery during the 6+ hours my phone was unplugged. I had the phone in the living room charging while watching a movie. Then I unplugged and used it for about 20 minutes in the bedroom which accounts for the first rapid drop in battery. But after I set it down, the phone went into a coma. And I can't see exactly, but it looks like it was only 2 or 3% which is great!
Not sure what changed, I still have the same apps installed, even Facebook. I did, however, NOT disable VZ backup assistant like I normally do. Maybe that is what causes the OS to go bonkers? Thoughts?
Sent from my Galaxy Nexus using XDA App

I got about 20 hours out of mine yesterday (extended battery) with moderate usage (texting, ebay, facebook, web) This is after unlocking the bootloader and rooting. Unlocking the bootloader resets the phone to factory state. I've read a few other posts around the web where battery life is greatly improved after a factory reset. Android OS is still the main things devouring my battery, but I almost don't care with the performance I'm getting. I should also mention that I wiped battery stats from CWM and then calibrated the battery on first charge.
I'm no dev, so I don't know why a reset would help. Then again, maybe it was wiping battery stats and calibrating that helped me. Just my $.02

How did you calibrate the battery?

There's a free tool in the market that will calibrate for you. Have to be rooted though. Just search for calibrate.
Sent from my Galaxy Nexus using XDA App

Surprised this isn't getting more acknowledgement. Any one else experience the same after a reset?
Sent from my Galaxy Nexus using XDA App

Guess maybe I'm one of the lucky few...I've always had this type of battery life. The phone just sips power while the screen is off.
While it is on...well that's different. I keep the brightness high and get about 2-2.5 hours of screen time before it powers off.

The interesting thing here is that it seems that you have the Android OS constantly waking up the phone but yet it still barely uses battery.
Do you have location services turned on or off?

Turned on. I noticed that too but the overall awake time is low. Usually it would be over half of the entire time on battery, sometimes 100%.
Sent from my Galaxy Nexus using XDA App

I used 50% in about 3 hours on my extended battery.
fml.

Great battery life, but you didnt really use your phone much.
Your "Screen on" is only about 15% of those 6 hours. Which ends up being about an hour.
Still, none the less, great battery life/power consumption.

rpnunez said:
Great battery life, but you didnt really use your phone much.
Your "Screen on" is only about 15% of those 6 hours. Which ends up being about an hour.
Still, none the less, great battery life/power consumption.
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I think you missed the point. I said this was done while I was sleeping. Many people are experiencing extreme battery drain even when they aren't using the phone, as was I. After restoring from the factory image, my issue seems to be gone.
Sent from my Galaxy Nexus using XDA App

kangxi said:
I think you missed the point. I said this was done while I was sleeping. Many people are experiencing extreme battery drain even when they aren't using the phone, as was I. After restoring from the factory image, my issue seems to be gone.
Sent from my Galaxy Nexus using XDA App
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I unplugged my phone at 11:30 pm with 98%, woke up at 7:30 am today and it dropped to 76%. So a 20% drop in 8 hrs with the phone just sitting there with wi-fi on and no apps running. It'd be very interesting to see if a factory restore would help.
How's the battery life now that you're using it?

Im thinking of unlocking and rooting mine tonight. havent had a moment to read the walkthrough just yet.

i noticed this too last night/today. i went to sleep after installing bugless beast 4.0.3 cdma, left it off the charger, and today i saw the chart was pretty much a flat line. i don't recall the exact times, but i'll try to time it out. about 8 hours
i wonder if all the initial extreme battery drain reports are due to the 'wowanewphone' effect, where you are molesting your phone 24/7, as opposed to the typical day-to-day use you'll eventually fall back into

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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*Note that Anzeige = Display

Alex2221 said:
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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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.

[Q] 5.0 extreme battery usage

I loaded the 5.0 factory image last week and my battery usage has been awful since. I am 100% stock. No root or mods at all.
Yesterday I took my fully charged N7 off the charger about noon. I hardly used it. Sent 3 emails and checked football scores a few times. 10 minutes use max. 95% of the time it was sitting with the screen off. By midnight it was almost dead. I have wifi off during sleep. This morning it's been off the charger for 2 hours and is down 20%. I have not used it at all other than to check the battery. Previously it would last 2-3 days between charges with light use. Not seeing anything standing out as using excessive amount of battery. Android System uses the most at 17%
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I know there was a wifi bug but I thought that was fixed prior to the release of the factory images. Strange thing is I have run all the L previews and currently a pre image release of a 5.0 AOSP rom on my N5 and I've had no issues at all.
Anyone else seeing this or have any suggestions?

I been looking for a thread like this. Coming from 4.4.4 all stock battery was great, I don't have any statistics but moving from 4.4.4 to 5.0 still stock no-root, the device gets really warm and battery drop isn't very comforting.
I hear the nexus 9 also gets very warm, must be a 5.0 bug.

5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !

hokuto34 said:
5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !
Click to expand...
Click to collapse
my friend 1% per hour is much
with wifi and sync all the time during night i get 0.1%/h
i confirm drain battery on 5.0 for nexus 7 unfortunatelly!

Same here. Pretty bad battery life with 5.0. Battery would not last more than a day. On 4.4.4 I can easily go 2 days.
Sent from my Nexus 7 using Tapatalk

61% left 1 day 11h

I was on XDABBED's rooted stock-image, the battery usage was as bad as the OP's situation.
Since then, I moved to XDABBED's latest AOSP release ... the battery usage has been GREAT.

Also on stock and I can confirm that the battery is worse.
Previously on stock 4.4.4 I had calculated that 10% battery can get me through one day or one hour SOT.
After flashing factory image I can confirm that the most I can manage is 4-5 hours SOT in two days.
That's 30-40% higher battery consumption.

why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.

Same Issue
Yes I am also facing the same problem. Terrible battery time. I charged my Tablet yesterday and pulled it out at 100% at 10pm. I put it on Airplane mode and went to sleep. When I woke up today at 6am the battery was showing 70%. It ate 30% at night doing what? I am very disappointed. On Kitkat 4.4.4 I never had such terrible battery performance. I am going to try it out today again and ensure that all apps are closed. Lets see what the performance will be like. Will update tomorrow.

I loaded Battery Batter Stats last night and left unplugged overnight so that I could check for partial wake-locks this morning. Unfortunately the battery was completely dead when I woke up. I put it on the charger when I left for work so I can check tonight.

nike984 said:
One from Lars Team works on Lollipop, so I am using that.
Click to expand...
Click to collapse
i followed your advice i disabled the location query and the right to keep the device awake and will report later tha night or tomorrow :good:

I can confirm that the tablet gets a little bit warmer with Android L and that was just Initial Setup, idk yet about battery I will fully charge tonight and test tomorrow.

nike984 said:
why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.
Click to expand...
Click to collapse
This was a good advice I must admit [emoji4]
I installed App Ops and noticed huge Location usage from Android System. After I disabled this the battery drain is a lot smaller. Not as good ad KK but very tolerable.
Also noticed that my video player, Archos, is using more power on Lollipop that before. I use it same or less than on KK but it drains the battery a lot more and is always at the top in battery usage.

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).
Click to expand...
Click to collapse
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?
Click to expand...
Click to collapse
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"