Database Users

My display is eating my battery! Help?

Well it seems I may have a problem here as my battery is being destroyed by my display. The usage on the pic is nothing compared to some crazy results I've seen. Heck I've seen 94% of my battery being used by my display. Is there a way to fix this?
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Sent from my SGH-T959 using XDA App

That's actually a good thing....
If you search the threads (hint: use search), you'll see why it's a good thing.
To paraphrase and give you the TL;DR version:
Better the display taking up the battery than the 3G radio...

ShinyBuddha said:
That's actually a good thing....
If you search the threads (hint: use search), you'll see why it's a good thing.
To paraphrase and give you the TL;DR version:
Better the display taking up the battery than the 3G radio...
Click to expand...
Click to collapse
I did search as a matter of fact. And in case you didn't read I'm looking for a fix. I'm not looking for why its a "good thing"
Sent from my SGH-T959 using XDA App

On any phone, the display is going to be the biggest source of power drain no matter what. This is why when a new display technology emerges, the developer always talks about the power saving ability of said technology.
Also, you need to understand that it is not 62% used, it is 62% of what IS USED. So if you used 30% of battery power then .30 * .62 = 18% of overall battery life is used to power the screen. It makes sense because no matter what you do, most likely your screen is going to be on, especially if you are reading xda.

PaiPiePia said:
On any phone, the display is going to be the biggest source of power drain no matter what. This is why when a new display technology emerges, the developer always talks about the power saving ability of said technology.
Also, you need to understand that it is not 62% used, it is 62% of what IS USED. So if you used 30% of battery power then .30 * .62 = 18% of overall battery life is used to power the screen. It makes sense because no matter what you do, most likely your screen is going to be on, especially if you are reading xda.
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OK. Thanks its just freaking me out. Sometimes ill leave the screen off and ill check battery usage and its like in the 90's so I'm like wtf I haven't used my phone. And I just got on xda too see if I can get a fix for this.
Sent from my SGH-T959 using XDA App

I just tried to find the thread but couldn't (thought I had it "subscribed to").
So essentially, the fact that you've got a 4" screen as the primary drain on the battery shouldn't be that surprising. It actually speaks to the efficiency of the device. In other phones, either the phone idle state or the cell standby state would be the biggest suckers of battery life, which is a bad thing as it's polling the towers too often which drains battery quicker.
There are a few tips in the forums to save battery life like auto-dim, use wifi instead of 3G (not sure if this one), use a black background, etc... But I do think that PaiPiePia did a great job at explaining it =)

As posted above it's not as bad as it looks but you can do something. Run jac's uv/oc w/color fix. It allows you to drop your brightness even lower. This works well for me as most of my use is indoors. Plus the kernel being under volted obviously helps.

Exactly if you have things that are using more power than your screen then you have problems.

as others have said, it's indeed percentage of USED battery. And display should always be using the most - unless you hardly ever use your phone.

kizer said:
Exactly if you have things that are using more power than your screen then you have problems.
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Click to collapse
Most of the time my voice calls is the top of my list. I prob do 2-3 hours of phone calls a day. With that much time on the phone is it still bad that my voice is number one?

geocepe said:
Most of the time my voice calls is the top of my list. I prob do 2-3 hours of phone calls a day. With that much time on the phone is it still bad that my voice is number one?
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Click to collapse
Nope, that would do it. 2-3 hours would eat up close to 50% of your battery. I make maybe 20 minutes of calls a day at most, so display takes up anywhere from 50% to 75% of total drain.

Kubernetes said:
Nope, that would do it. 2-3 hours would eat up close to 50% of your battery. I make maybe 20 minutes of calls a day at most, so display takes up anywhere from 50% to 75% of total drain.
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thanks I was getting worried for a minute. The only good news s i get a good 24hrs of use out of my phone. Coming from a G1 its great.

geocepe said:
thanks I was getting worried for a minute. The only good news s i get a good 24hrs of use out of my phone. Coming from a G1 its great.
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Click to collapse
seriously? I leave the thing in my pocket for 8 hours and the battery's at 20%
You get 24 hours WITH 2-3 hours of calling?

geocepe said:
thanks I was getting worried for a minute. The only good news s i get a good 24hrs of use out of my phone. Coming from a G1 its great.
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Umm dude that's just not possible. Post a pic for proof or it didn't happen. G2 users get like 15 hours Max and their battery is better than ours.
Sent from my SGH-T959 using XDA App

ive gotten 24 hours ... i dont know how you cant get over 15 hours on your phone ..

Alex530 said:
Umm dude that's just not possible. Post a pic for proof or it didn't happen. G2 users get like 15 hours Max and their battery is better than ours.
Sent from my SGH-T959 using XDA App
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Click to collapse
It is possible to get up to 30+ hours with very light use.
Sent from my SGH-T959 using XDA App

kangxi said:
It is possible to get up to 30+ hours with very light use.
Sent from my SGH-T959 using XDA App
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Click to collapse
Yup, I have set the phone on my desk over the weekend (48+ hours) and the battery only drop down to 86%.
It is possible, just don't use a bunch of widgets/auto sync options and make sure its in a good reception area and it will last for a while.

kangxi said:
It is possible to get up to 30+ hours with very light use.
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
It's possible to get a lot more than that with very light usage.
Note: This is with No 3G as we don't have it in my country.
Bionix ftw!

PaiPiePia said:
Yup, I have set the phone on my desk over the weekend (48+ hours) and the battery only drop down to 86%.
It is possible, just don't use a bunch of widgets/auto sync options and make sure its in a good reception area and it will last for a while.
Click to expand...
Click to collapse
do you have any mods or is this stock?

kuhan said:
do you have any mods or is this stock?
Click to expand...
Click to collapse
oops, I just saw this today. It was stock using JI5 from Kies at that time.

Wifi makes a difference.

After all this time of having a screwed up Wifi I realize it was the router. Once I got a new router I'm sitting on 19 hours with 39% left. I know some people have better battery life than that but I'm impressed. Btw im running myn's warm 2.2 with kings#11 kernal. It's awesome and fast
Sent from my PC36100 using XDA App

jacoballen22 said:
After all this time of having a screwed up Wifi I realize it was the router. Once I got a new router I'm sitting on 19 hours with 39% left. I know some people have better battery life than that but I'm impressed. Btw im running myn's warm 2.2 with kings#11 kernal. It's awesome and fast
Sent from my PC36100 using XDA App
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What is the display on time?

Only about 2 hours which us is kinda low.
Sent from my PC36100 using XDA App

jacoballen22 said:
Only about 2 hours which us is kinda low.
Sent from my PC36100 using XDA App
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Click to collapse
That's about right for battery life then. I don't think you can do much better.

im convinced the only thing that kernels/roms can help mitigate is usage burn, radio burn (no signal) is going to drain a battery no matter what. I keep my phone on wifi at my house and get great battery life. At work, when the phone is on 3G and not getting any signal the battery dies wicked fast. between 730 and 1030 today my battery dropped from 85% to 25%. Ive also had my battery die in 3 hours flat because of no signal.

yea, I forget where i read it, (i think when i used to go to ppcgeeks forums) but there was actually a lengthy detailed rundown of real world usage of 3G vs wifi, and wifi definately draws less power.

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I took this from my first post on battery life. I wish it could be better cause I realize I barely used the phone during the 22hrs. Half of it was sleep and only ten minutes in a call and some YouTube videos. Also some music with PowerAMP.
Sent from my PC36100 using XDA App

scooter185 said:
im convinced the only thing that kernels/roms can help mitigate is usage burn, radio burn (no signal) is going to drain a battery no matter what. I keep my phone on wifi at my house and get great battery life. At work, when the phone is on 3G and not getting any signal the battery dies wicked fast. between 730 and 1030 today my battery dropped from 85% to 25%. Ive also had my battery die in 3 hours flat because of no signal.
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After experimenting I have found out that instead of putting it in airplane mode you could just turn off 3g and it last quite a bit(at work). I only turn it on during break time. Leaving 3g makes me be lucky to leave work in double digit battery power.
from my EVO using XDA app.

jacoballen22 said:
After experimenting I have found out that instead of putting it in airplane mode you could just turn off 3g and it last quite a bit(at work). I only turn it on during break time. Leaving 3g makes me be lucky to leave work in double digit battery power.
from my EVO using XDA app.
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I second this. Pretty much don't use 3G, and sure as heck not 4G, if you don't have to. My battery will literally stand for hours at a certain percent with 3G off and screen off. I don't have a WiFi router yet but seriously thinking about getting one just for use when I'm at home.

You should do it! Lol it is good for many things not just the EVO. Ya know laptops iPod touches and stuff lol.
from my EVO using XDA app.

How much battery is used for you with continous usage of 30min/1hr?

Just trying to get a feel if my battery is normal or not.
With continuous internet usage over wifi, it takes up 30%/hr on the STOCK battery.
With the Sprint OEM Extended battery (2600mah), it only takes up 10-12%/hr.
So I'm wondering if my stock battery just sucks or if the Sprint extended battery is actually more around 3500mah...
How much battery is used with continuous internet usage for you?

I was just browsing the forums here for an hour and 44 minutes - little g reader too - and the first hour recorded roughly 11 percent of battery loss with straight use, shown in juice plotter. Screen brightness at lowest and wifi.
That said if I was popping tabs left and right and jumping around in the browser it would be a bit different. I think I was on Deadspin for maybe 15 minutes though. Dolphin Mini.
SWYPED from my SUPASONIC

I'm getting about 15% an hour on mikfroyo (undervolted htc 15). that's about what I used to get on older build roms (evio) and stock kernels.
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pic shows 7% loss in half an hour but you get the trend
edit: stock battery. how's your wifi signal strength?
Sent from my PC36100 using Tapatalk

Well, guess I enabled wifi after 20 minutes or so. Between 20-25 percent in 2 hours 10 min didn't have a full charge. Just started using juice plotter to track how little battery gets used when phone idle. Cool little app! Always so late to the party.
SWYPED from my SUPASONIC

wifi strength is excellent, i'm only 8 ft from the source (in my room). i keep the screen brightness at the lowest setting since i lay in bed and use the phone before i sleep for about 30 min.
i'm extremely surprised at the drainage of both yours with just the stock battery. maybe i should try and get an exchange through Sprint.

some more info on your setup? maybe it's a software issue. try system panel to see what's running and how much it's been running. it also gives you cpu speed which should throttle back when there is no interaction with the device.
Sent from my PC36100 using Tapatalk

i'm on Fresh 3.5.0.1 with the SBC kernel. I don't have any weird drainage issues over night, i sleep with it at 80% and wake up with it with about a <5% drop. I just have the usual apps running, nothing too crazy. All I use the phone for really is to browse the web.
I find that System Panel doesn't reallly help too much when i had a weird drainage issue a few months back, a hard data reset fixed that.

quocamole said:
I'm getting about 15% an hour on mikfroyo (undervolted htc 15). that's about what I used to get on older build roms (evio) and stock kernels.
View attachment 475476
pic shows 7% loss in half an hour but you get the trend
edit: stock battery. how's your wifi signal strength?
Sent from my PC36100 using Tapatalk
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Click to collapse
That pic shows 14% loss in about 30 minutes.
Which is normal - about 0.5% a minute.

tracerit said:
Just trying to get a feel if my battery is normal or not.
With continuous internet usage over wifi, it takes up 30%/hr on the STOCK battery.
With the Sprint OEM Extended battery (2600mah), it only takes up 10-12%/hr.
So I'm wondering if my stock battery just sucks or if the Sprint extended battery is actually more around 3500mah...
How much battery is used with continuous internet usage for you?
Click to expand...
Click to collapse
That would be normal usage with 3G. Not sure about wifi.

Wherever answers are in this thread should be in mA since percentages are meaningless on the Evo.
Spoken from my EVO 4G using Ultra Keyboard and Tapatalk Pro

look at 90%-83% when screen is constantly on for 30 min. 100-90% always drops fast.
nabbed said:
That pic shows 14% loss in about 30 minutes.
Which is normal - about 0.5% a minute.
Click to expand...
Click to collapse
Sent from my PC36100 using Tapatalk

I wouldn't say meaningless. i.e. 10% drain from a 1500 mAh battery is 150 mA no matter how you slice it.
aph said:
Wherever answers are in this thread should be in mA since percentages are meaningless on the Evo.
Spoken from my EVO 4G using Ultra Keyboard and Tapatalk Pro
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Click to collapse
Sent from my PC36100 using Tapatalk

quocamole said:
I wouldn't say meaningless. i.e. 10% drain from a 1500 mAh battery is 150 mA no matter how you slice it.
Sent from my PC36100 using Tapatalk
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No it's not. It wouldn't be even on most Li-ion batteries in the first place, but even more so on the Evo. The firmware is programmed to oscillate between ~ 500mA and -500mA depending on voltage, all while keeping the status you see at 100%. Download Battery Monitor Widget to see this in action.

Battery is draining FAST

im losing around 10 percent an hour on standby and i know im not doing anything different i have my phone setup the way i always have. im running the lastest version of syndicate with the ec05 modem
Edit: I should also mention i have the gingerbread theme currently installed but i doubt that matters...
Sent from my SPH-D700 using XDA App

Sorry to say...but your phone might have aids.

ksweat2292 said:
im losing around 10 percent an hour on standby and i know im not doing anything different i have my phone setup the way i always have. im running the lastest version of syndicate with the ec05 modem
Sent from my SPH-D700 using XDA App
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Did this all of a sudden happen, or did you just flash or recently change something?

blu9987 said:
Sorry to say...but your phone might have aids.
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This could be possible

ever since i updated to ec05. i was on the lastest bonsai rom a few days ago before switching to syndicate
Sent from my SPH-D700 using XDA App

Try 2 things toggle airplane and kill all process. Use spare parts to look at partial wake lock that will be a general process of what is not letting the phone sleep.
Sent from my SPH-D700 using XDA App

ksweat2292 said:
ever since i updated to ec05. i was on the lastest bonsai rom a few days ago before switching to syndicate
Sent from my SPH-D700 using XDA App
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If you haven't calibrated your batter, I would try that.

blu9987 said:
Sorry to say...but your phone might have aids.
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DUUUUDDDDEEE that ish was too funny!!!!!

cpcormier3 said:
If you haven't calibrated your batter, I would try that.
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+1
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If this guys phone has the HIV, i'm [email protected]#$ed!
I'm losing 10% in 10 minutes! Absolutely ridiculous. I'm on EC05. Auto brightness off. Brightness to the lowest setting. Stock, rooted, removed some bloatware but left DRM stuff.
This is after pulling it off the charger from 100% and a fresh reboot. I just toggled airplane so my TWS was at 21% when I took these screenshots.
EDIT: I've already calibrated my battery after updating from EB13 to EC05 and wiped batt stats.

I dont know about 10% every 10min..but I also noticed battery usage skyrocket in 1.1.0 from 1.0.2..and I didnt even install any software yet or customized anything..its effectively clean rom....
what stands out is standby....im at:
standby: 51%
display: 34%
phone idle: 15%
and I havent even touched the phone at all :/ (you can see that by the huge idle amount)
It used to be like 90% display before...and everything else was under 10%.I even turned off Google Syncing.

jbadboy2007 said:
Try 2 things toggle airplane and kill all process. Use spare parts to look at partial wake lock that will be a general process of what is not letting the phone sleep.
Sent from my SPH-D700 using XDA App
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Click to collapse
Sent from my SPH-D700 using XDA App

I've had sleep issues ever since DK28. The phone will randomly stop sleeping, and will barely last 12 hours on battery with *zero* usage. Sometimes a reboot will fix it for a few hours, then it will just randomly stop sleeping again. I tried everything to fix it, flashed EC05 three times, twice by going back to DI18 with odin and flashing update.zip, and once by flashing the pre-rooted tar from android-central. Didn't even install any apps or anything after the last flash and left pretty much everything stock, still does it. When it's not sleeping, spare parts usually shows a running time of over 70%, even if I've got the phone sitting in my pocket or on my desk all day. There's nothing under partial wake that shows any kind of significant usage. It'll be "awake" for 8 hours, but there's no evidence in spare parts as to what's eating up those 8 hours.
Tried killing DRM service, toggling airplane mode, leaving phone IN airplane mode, wifi/gps/bluetooth disabled, rebooting, clearing dalvik cache, wiping data, and probably some other things I can't remember off the top of my head. The last thing I tried was pulling the battery for 5 or 10 minutes. Oddly enough, it's been trouble-free since then. Probably just a coincidence and it'll stop sleeping any minute now.

I have had the same problem. I think the problem is under sensor usage. The android system is using it a lot of the time.
Sent from my SPH-D700 using XDA App

tatoniss said:
I have had the same problem. I think the problem is under sensor usage. The android system is using it a lot of the time.
Sent from my SPH-D700 using XDA App
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I was actually just looking at that and see sensor going 5%-10% cpu usage..

This has happened to me a few times since upgrading to SRF 1.1.0.
The phone will get really hot and burn through my battery at an alarming rate.
What I usually do is shut down, pull the battery, and let everything cool and then all goes back to working normally.
Very strange, but at least there's a relatively easy temporary fix.

Recalibrated the accelometer..lets see if that helps..

Are you using the new Telenav GPS app? It downloaded 6 Gigs of data in 5 days on my phone, draining battery like a boss.

nah i only use google nav and i havent needed to use it in a few weeks
Sent from my SPH-D700 using XDA App

Well, after driving for around an hour my phone's battery dropped from a ~30% charge to dead.
Luckily I seem to have been spared the data corruption I often hear about with non-journaled ROMs and power cuts like that (seems to be the only glitch I never get).
Something strange is going on, almost as though the phone is constantly running a benchmark (since it gets rather warm, as well).

wtf is going on with my atrix down to 30% after jus 4 hrs.

so my girlfriend took my phone to school at 7 comes home at 11 nd my battery was that orange-red color i check my stats nd it shows this
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Sent from my Atrix-4G, stock 2.3.4 (rooted)

I have that same issue. Rooted Bell 2.3.4. I don't know wtf is going on, but these past few weeks my phone battery just started too **** the bed. lm going too battery calibrate when l have the time. Might need one yourself too?

DopeHack said:
so my girlfriend took my phone to school at 7 comes home at 11 nd my battery was that orange-red color i check my stats nd it shows this
Sent from my Atrix-4G, stock 2.3.4 (rooted)
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There's about 2 solid hours of screen time there, I wouldn't consider that too crazy. Did your gf realize the screen was on all that time? Your idle drain doesn't look great, try better battery stats and/or watch dog (mixed reviews).
Sent from my Supercharged CM7 Atrix

Watchdog is awesome, a must have! But yeah if you haven't calibrated you need to.

Wifi + screen on = loads of watching YouTube clips online while many apps using wifi open will definitely kill your battery.
Sent from my MB860 using XDA App

Yeah.. after root my battery has gone HORRIBLE!!!!! Every time I check my phone, I get my messages then + 10% each other time (like every hour)
Sent from my MB860 using XDA App

CM7 + juice defender pro + misc power centric tweaks... My battery drains 4-8% at night, lasts all day with normal use. And then some.
Admitedly im a minimalist though. I tore out a lot of cm7 and its already core.
Toggle background data off when not in use too. There are a lot of smaller power tweaks though, its a science and takes tweaking.
Whip that power junkie 'rix into shape!
Ps: lol! And that gps youre running destroys power.
Sent from my MB860 using xda premium

I had horrible battery life (10% every hour) as well until i flashed the latest Orange UK radio and all of a sudden my battery lasts for two days without charging. Note that wifi is off most of the time and u only use my phone to listen to music on the go, send txt messages all day long and at the end of the day i have around 70%+ battery left.
Sent from my MB860 using XDA App

battery draining too fast!!!!
hey guyz..im new to xda..
like a week ago i deleted a system file on my atrix 4g and it started to give some force closes errors..so i flashed a new custom rom named " homebase " my phone is so fast and i like it bt my battery at the same time is draining so fast last night i recharged my phone and it didnt complete till 100% it sticked at 96% anw i worked for a little bit on my cell phone then left it and went to sleep,,and this morning it was like 63%..i jst need some help is there anyone that can help me with this kind of problems..
thx anw hope someone will know about my issue i realy need help...thx again

Try UV and underclocking for screen off.
I have amazing battery life. (Darkside 2.3.5)

Jibraldor said:
Wifi + screen on = loads of watching YouTube clips online while many apps using wifi open will definitely kill your battery.
Sent from my MB860 using XDA App
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Umm how can she watch YouTube that much in school ? Ill end that one there. And @fishcwrap even if it was its timer is one minute nd my brightness all the way down even if ur contantly texting my battery doesn't die that fast nd she said she only used it to Google something once nd that was it I honestly think it has somethin to do wit the radios
Sent from my Atrix-4G, stock 2.3.4 (rooted)

xhazk said:
CM7 + juice defender pro + misc power centric tweaks... My battery drains 4-8% at night, lasts all day with normal use. And then some.
Admitedly im a minimalist though. I tore out a lot of cm7 and its already core.
Toggle background data off when not in use too. There are a lot of smaller power tweaks though, its a science and takes tweaking.
Whip that power junkie 'rix into shape!
Ps: lol! And that gps youre running destroys power.
Sent from my MB860 using xda premium
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Click to collapse
I don't have a data plan so the bg data is always off and GPS has not been on since the day I opened the UPS box its weird how airplane mode my battery would prolly last an entire week
Sent from my Atrix-4G, stock 2.3.4 (rooted)