Database Develop

Poor Battery Performance

I have had my Galaxy S for a bit over a week now and am pretty disappointed with the battery performance. Most days I take my battery off the charger at 7am and it reaches 15% low battery warning by 1-2pm. I do spend a fair amount of time reading XDA and listening to music. I'm currently running Stock JM1 firmware with no lagfixes.
Here's a list of my apps that I have installed:
http://www.appbrain.com/user/Lokhor/apps-on-the-samsung-galaxy-s
I am running JuiceDefender which I thought would make a big difference and does not. I have also set Tasker to change the Brightness level to 20 (below the safety threshold) when the battery reaches 50% or below, otherwise the brightness is at the minimum (30%).
I have heard that you need to condition the battery so I have been trying to do this but it doesn't seem to have had much effect. Today I used my phone only casually and it's currently at 22% after 12.5 hours. The battery use details show the following:
Display at 56% being on for 2h22m and 13s.
Cell Standby 18% Time on 9h21m, time without signal 13%
Phone Idle 7% Time on 7h33m
Android System 5% CPU usage 23m39s CPU foreground 24s
Android OS 3% CPU Usage 13m 27s
Is this normal? Is there anything I'm doing wrong?
Please help

I don't know what others are telling you about conditioning a LiIon battery but you don't have to. LiIon batteries don't suffer from what NiCad do. Some do suggest wearing the battery down to nil and then charging it up again. However, this is pretty bad for the battery and should not be done more than once every 30 cycles. With every LiIon battery I've ever owned I've either trickle charged it or charged it when it wasn't too low and they've all lasted over 3 years. I've never conditioned one.
Anyway, my advice to you is to see how long your battery lasts in standby. Mine could probably last 3 days or more if I don't bother it too much (with sync, wifi and all that good stuff). I find the worst contender for battery drain is the display. The only problem I see with your stats there is that I've played Asphalt5 for around an hour and a half which is quite heavy on juice and it only drains roughly 10%-15%. Then again you're browsing the web so maybe probably worse.

Oh, and when charging your phone, don't use the USB hooked up to a computer as it doesn't stop charging when it's full. Use the wall charger to charge.

no need to worry more
just get this http://forum.xda-developers.com/showthread.php?t=733705
lokhor said:
I have had my Galaxy S for a bit over a week now and am pretty disappointed with the battery performance. Most days I take my battery off the charger at 7am and it reaches 15% low battery warning by 1-2pm. I do spend a fair amount of time reading XDA and listening to music. I'm currently running Stock JM1 firmware with no lagfixes.
Here's a list of my apps that I have installed:
http://www.appbrain.com/user/Lokhor/apps-on-the-samsung-galaxy-s
I am running JuiceDefender which I thought would make a big difference and does not. I have also set Tasker to change the Brightness level to 20 (below the safety threshold) when the battery reaches 50% or below, otherwise the brightness is at the minimum (30%).
I have heard that you need to condition the battery so I have been trying to do this but it doesn't seem to have had much effect. Today I used my phone only casually and it's currently at 22% after 12.5 hours. The battery use details show the following:
Display at 56% being on for 2h22m and 13s.
Cell Standby 18% Time on 9h21m, time without signal 13%
Phone Idle 7% Time on 7h33m
Android System 5% CPU usage 23m39s CPU foreground 24s
Android OS 3% CPU Usage 13m 27s
Is this normal? Is there anything I'm doing wrong?
Please help
Click to expand...
Click to collapse

I found that charging it whenever it was convenient instead of when it was low would result in a charge that lasted ~24 hours.
I've noticed significant increase in battery life since I started waiting for the 15% charge warning, plugging it in till it was full and then unplugging it. I get 2-3 days of use this way.
I also set my email to only sync between 6 AM and 11 PM. I believe this helps a lot as well.

since we are about this topic, check this out
How to spot fake battery vs. OEM battery: http://forum.xda-developers.com/showthread.php?p=7953322

so if I'm listening to music during the day at work should I have my phone plugged into the wall charger or just let the battery run down?
Last night I took the charger off at midnight when it was full and when I woke up it had only dropped 5%. After reading my emails quickly it was at 93%.

it works fine either way
read this
http://forum.xda-developers.com/showthread.php?t=769208

I find leaving the brightness on automatic uses up loads of battery. Setting it to lowest seems to make the phone last 24hrs+
I also found that having beautiful widgets clock/weather installed used up a lot of battery for some reason.

I don't use weather because it has to sync every so often to update it which to me is a waste...I'll just look outside. I also leave brightness on the lowest setting wherever I am as the screen is already very bright (why waste battery?).

My experiences with my SGS have taught me to be conservative with its battery. Anytime you turn the screen on, you eat power like crazy. The best bet is to just top her off whenever the need arises. Personally, I have found that I'm fine just topping her off in the car when I'm driving, so that I start my work day at high 90's, and especially once I've got my morning browsing out of the way, I don't eat a big chunk of battery at any other time.
But yes, if you find you are running low, you can happily just take a half hour to charge from a USB port to give you an extra boost. Alternatively, spare batteries and so forth do the same thing, although it can be annoying if you don't have a charger that will do the phone and a spare battery at once.

im experimenting with apndroid now to turn of 3g then i dont specifacly need it. It comes with an on/off widget. Looks promising so far. 40% at 2300 hour and then i have used wifi a bit, played angry birds and talked for about 2 hours in total.

[Q] Battery Calibration - reboot?

I recently installed Serendipity and made sure the battery was at 100% while doing so (and deleted the battery file). I'm waiting for the battery to drain before I plug it in. Am i supposed to let it charge all the way again? Also, is it safe to reboot the phone while it is draining the first time? I want to install something using clockwork.
I'm being careful about this because cognition would report 14% battery life after 33 minutes of display usage and display eating up 96% of my battery....

killsto said:
I recently installed Serendipity and made sure the battery was at 100% while doing so (and deleted the battery file). I'm waiting for the battery to drain before I plug it in. Am i supposed to let it charge all the way again? Also, is it safe to reboot the phone while it is draining the first time? I want to install something using clockwork.
I'm being careful about this because cognition would report 14% battery life after 33 minutes of display usage and display eating up 96% of my battery....
Click to expand...
Click to collapse
There's a complete thread on this, I suggest you look it up.
After you reset your battery stats, it is suggested to do a few full battery circle (use til dead, full charge, rince and repeat). You should be fine after 2-3 circles.
Note tho that it will not improve your battery life. All it does is a attempt to tell your phone what % your battery life is exactly.
For your fast drain, I don't think it has anything to do with your battery calibration or your ROM. It's most likely a app (or a few) that are draining alot of juice or that are running w/o realy being needed. (Check your running services.. make sure you know which one to stop and not to***)
Also using a app/widget like advanced task killer can help your battery life as it will stop every app running with a simple touch. I suggest doing it anything you're not using your phone.
One last thing, display eating 96% of your battery is normal.. it's not telling you it's using 96% of your battery. It's telling you that during the time your phone as been unplugged, your display use was your main action.. probably cause you didn't make many calls or anything else.. Display is just about everything you do with your phone so it will always have some high numbers like that.

BWolf56 said:
There's a complete thread on this, I suggest you look it up.
After you reset your battery stats, it is suggested to do a few full battery circle (use til dead, full charge, rince and repeat). You should be fine after 2-3 circles.
Note tho that it will not improve your battery life. All it does is a attempt to tell your phone what % your battery life is exactly.
For your fast drain, I don't think it has anything to do with your battery calibration or your ROM. It's most likely a app (or a few) that are draining alot of juice or that are running w/o realy being needed. (Check your running services.. make sure you know which one to stop and not to***)
Also using a app/widget like advanced task killer can help your battery life as it will stop every app running with a simple touch. I suggest doing it anything you're not using your phone.
One last thing, display eating 96% of your battery is normal.. it's not telling you it's using 96% of your battery. It's telling you that during the time your phone as been unplugged, your display use was your main action.. probably cause you didn't make many calls or anything else.. Display is just about everything you do with your phone so it will always have some high numbers like that.
Click to expand...
Click to collapse
Yeah, I've seen the thread before but forgot about it. Thanks for reminding me. And my point about the display was that it was on for such a short amount of time, yet still killing my battery.
I am now down to 30% or so after 3 hours or more of display time after calibration & rom switch- and I was streaming music through WiFi and using Bluetooth headphones. So it it seems like it made a huge difference =D
Thanks

Battery drains fast!

We in the field in the army have no place to recharge the battery, so i have a second spare. After the first battery out, second battery i should calibrate or simply change it? Milestone generally maded to hot replace the battery? Second question: The battery is terribly wasted when data using. when browsing in the internet in dolphin 6.1. Even if 2g on and i in im+ messenger. A couple of sites get away even 1%-2%. An hour in nonstop browsing can drain 60%. YouTube has to look at all when the phone charging for viewing video over a length of 5 minutes, eats about 6% of charge. And i bought a new battery yesterday. And with the same old time of discharge. New battery calibrated. And tried to change the firmware on froyomod same. Right now sitting on the cyan 7 and the same flow rate. Last DSIfix 2..34.
PS. When data off - phone not using too much 2-3% when talking half hour. In the night can drain 3%.

You better calibrate the new battery after the new one charged to 100%

It calibrated already. Same ****.

I got same problem with my MS. Maybe it's high time to change to a new phone

Dieabolo,
What settings do you use for your display, your current frequencies with vsel, are you using this phone in areas with great reception, do you have programs that ate always updating running (Facebook, twitter, weather apps, Widgets, news /sports apps) ?
Also I do like dolphin HD but try the opera mobile browser it'll help by compressing data so therefore less data transferred which ends up with less power being consumed.
~PsyCl0ne
Sent from my Milestone using XDA App

dieabolo said:
We in the field in the army have no place to recharge the battery, so i have a second spare. After the first battery out, second battery i should calibrate or simply change it? Milestone generally maded to hot replace the battery? Second question: The battery is terribly wasted when data using. when browsing in the internet in dolphin 6.1. Even if 2g on and i in im+ messenger. A couple of sites get away even 1%-2%. An hour in nonstop browsing can drain 60%. YouTube has to look at all when the phone charging for viewing video over a length of 5 minutes, eats about 6% of charge. And i bought a new battery yesterday. And with the same old time of discharge. New battery calibrated. And tried to change the firmware on froyomod same. Right now sitting on the cyan 7 and the same flow rate. Last DSIfix 2..34.
PS. When data off - phone not using too much 2-3% when talking half hour. In the night can drain 3%.
Click to expand...
Click to collapse
i know for a fact, because ive tested it, that i can pull 11+ hours out of my droid. what you need to do is port MIUI to it, then get a lowvoltage overclocking kernal on it. i have a kernal that is 18 slot, and it can run stable at 220 mhz/1.26 ghz on userspace. run it at 220 mhz/900 mhz. if you clock it lower, then the battery life will decrease because it has to deal with a larger load, therefore, giving you battery heat damage, which means no more battery for you! i found that if i run the hight at 900 mhz, then it will have a chance to deal with all of the load. if you put it at 1.0 ghz, then it will ahve the same effect, but if your going to game with the droid, then i would put it at 1.06 ghz. my phone specs: OG droid, OC to 220 mhz/1.0 ghz, running MIUI 108050 on android 2.3.4. have fun!

Two things I would recommend would be to perhaps try a low voltage kernel, and to make sure you don't have any battery-intensive apps running in the background (Ebay, Lookout, etc.). You can check this by going to Settings > Applications > Running Services and seeing which programs are running.
Also if you set profiles withing SetCPU or another similar app, you can have the kernel drop to a lower speed when your screen is off or when the battery drops below a certain percentage. Doing these things should help you save some juice.
EDIT: I just read on another thread that the milestone has a locked bootloader, meaning you can't change the kernel. If this is indeed true, that sucks.

I calibrate my battery with this method:
1. Plug the charger in the phone, and charge at 100%
2. Delete /data/system/batterystats.bin using Terminal emulator or whatever tool
3. Restart the phone, and when it start to boot, and before the soft keys shine take off the battery.
4. The phone will run without battery, after a few minutes (2-5) put the battery in.
5. Left the phone charge for another 30 minutes...
But with CM7 for Mileston RC13 my radio don't work, and I have to restart it again to have phonee signal.

Help with Battery Life

Hi guys, I'm worried about the battery life of my HTC One.
When the phone is on lock mode, meaning screen is off, within one hour battery can go down from 1-3%. Power saver is on, brightness is auto. And 4G/LTE is on.
Also, I only play around with my settings, checking out GSAM battery monitor, within 15 minutes battery can go down 1-2%.
Now it's been 6 hours 22 minutes since I unplugged from charger, battery level is 74%.
Is it normal?
Thanks.

Gsam should be able to tell you where your battery is being used and what app. Look at what the offending app is (most likely Google maps and Google+ or facebook) and use an app like greenify to hibernate them when not in use.
Sent from my HTC One

Check with betterbatterystats app to see if anything is keeping it awake at

Aetherion90 said:
Hi guys, I'm worried about the battery life of my HTC One.
When the phone is on lock mode, meaning screen is off, within one hour battery can go down from 1-3%. Power saver is on, brightness is auto. And 4G/LTE is on.
Also, I only play around with my settings, checking out GSAM battery monitor, within 15 minutes battery can go down 1-2%.
Now it's been 6 hours 22 minutes since I unplugged from charger, battery level is 74%.
Is it normal?
Thanks.
Click to expand...
Click to collapse
You do realize that the phone is still doing stuff when the screen is off, yes? Syncing e-mails/facebook/news stories, communicating the the network, etc. Even if the phone were completely off, lithium-ion batteries will still deplete(albeit very, very slowly) over time. 1-3% loss in an hour is pretty normal in standby. If you're really concerned about it, you can check out an app called BetterBatteryStats and it'll show you what's waking your phone up from sleep and/or preventing it from sleeping to help identify apps whos sync settings are too aggressive.
Your battery has depleted 26% in 6hrs 22minutes... you're losing roughly 4.08% per hour, at that rate it would take you ~24.5hrs to deplete the battery. Battery depletion is, can be, and should be accelerated when you're using the phone, so 1-2% within 15minutes while looking at a battery monitor... yeah. The more stuff you do with your phone, the sooner the battery will run out.
TL;DR: your battery life is fine.

unremarked said:
You do realize that the phone is still doing stuff when the screen is off, yes? Syncing e-mails/facebook/news stories, communicating the the network, etc. Even if the phone were completely off, lithium-ion batteries will still deplete(albeit very, very slowly) over time. 1-3% loss in an hour is pretty normal in standby. If you're really concerned about it, you can check out an app called BetterBatteryStats and it'll show you what's waking your phone up from sleep and/or preventing it from sleeping to help identify apps whos sync settings are too aggressive.
Your battery has depleted 26% in 6hrs 22minutes... you're losing roughly 4.08% per hour, at that rate it would take you ~24.5hrs to deplete the battery. Battery depletion is, can be, and should be accelerated when you're using the phone, so 1-2% within 15minutes while looking at a battery monitor... yeah. The more stuff you do with your phone, the sooner the battery will run out.
TL;DR: your battery life is fine.
Click to expand...
Click to collapse
Thanks for the info. However I noticed in some threads that for certain people, their HTC One can last for 1 days 9 hours. For example:
johnbrighton said:
I'm guessing you're a heavy user!
What apps to you have installed? how many apps to you have?
My phone lasted 1 day and 9hrs on one charge with moderate internet use, txt messaging, phone calls - and that was without power saving mode enabled.
Click to expand...
Click to collapse

Aetherion90 said:
Thanks for the info. However I noticed in some threads that for certain people, their HTC One can last for 1 days 9 hours. For example:
Click to expand...
Click to collapse
It's going to be very difficult for you to replicate the results of someone else(and we are lacking a ton of information from that post--is he running a custom rom, custom kernel, are screen off/on profiles being used, what apps are syncing, how often, how many, etc).
Beyond usage, phones can vary greatly from within the same model based on the manufacturing process/location/materials. For instance, there's a thread in the General Section exploring the differences in various HTC One's screen maximum screen brightness. Even down the chemistry of the batteries themselves. I know from personal experience that one of the biggest impacts on battery life can be how strong of a signal you're receiving from your carrier. If you life/work in a low signal area, the phone will increase power to the antennae to maintain the connection whereas if you're in a good signal area, it doesn't have to work as hard.

Anyone use GSAM Battery Monitor app? Why does the battery usage % doesn't add up to 100% when you add it with the remaining battery % sometime?
Yesterday it's still fine. But today my battery usage % + remaining battery % only add up to 93%.

Aetherion90 said:
Anyone use GSAM Battery Monitor app? Why does the battery usage % doesn't add up to 100% when you add it with the remaining battery % sometime?
Yesterday it's still fine. But today my battery usage % + remaining battery % only add up to 93%.
Click to expand...
Click to collapse
Most people use that app. I'm not sure why it isn't working 100%. Did you plug your phone in for a very short amount of time? That might make errors. After you charge it overnight everything should be fine. Try using it for another day.
Sent from my HTC One

In GSAM Battery Monitor, my App Usage is always the highest contributor to battery usage, usually around 85%-90%. Screen is only 10.8%.
When I dig deeper into the App Usage, Kernel (Android OS) 23.8%, and Android System 15.7% are the top 2.
Is it normal?

Do you have Auto Sync turned on?

ArmedandDangerous said:
Do you have Auto Sync turned on?
Click to expand...
Click to collapse
If you are referring to Facebook, email, and such, then yes Auto Sync is on. So Auto Sync is included in Kernel or Android System?

Aetherion90 said:
If you are referring to Facebook, email, and such, then yes Auto Sync is on. So Auto Sync is included in Kernel or Android System?
Click to expand...
Click to collapse
It's a standard Android feature. Auto Sync drains a ton of battery

ArmedandDangerous said:
It's a standard Android feature. Auto Sync drains a ton of battery
Click to expand...
Click to collapse
So for those who can get 5 hours+ screen on time, meaning auto sync is turned off?
Btw, do you know what is AsyncCollectorListener wakelocks that come from Maps? It also contributes to high partial wakelocks percentage most of the time.

Battery Draining too fast in my droid turbo what would be the solution for it .

i'm facing this problem that battery of my droid turbo draining to fast as it is having 3900mAh battery but draining really too fast tell me solution so that i can recover my battery life
im Having Adroid version Lollipop 5.1

Humza Arain said:
i'm facing this problem that battery of my droid turbo draining to fast as it is having 3900mAh battery but draining really too fast tell me solution so that i can recover my battery life
im Having Adroid version Lollipop 5.1
Click to expand...
Click to collapse
Are you using the version that came with your phone, or are you using something custom (i.e. CyanogenMod or Resurrection Remix)? Did you see what "supposedly" is the highest percent drainer under Settings->Battery?

calsurferpunk said:
Are you using the version that came with your phone, or are you using something custom (i.e. CyanogenMod or Resurrection Remix)? Did you see what "supposedly" is the highest percent drainer under Settings->Battery?
Click to expand...
Click to collapse
im using orignal software of verison and it is draining battery so fast
high percent of battery drainer is my display and cell stand by

Humza Arain said:
im using orignal software of verison and it is draining battery so fast
high percent of battery drainer is my display and cell stand by
Click to expand...
Click to collapse
Based on that, the only thing that I can think of is to turn down your display brightness (even try setting to auto if you haven't already) and if your cell service is often weak/non existent, then put it in airplane mode temporarily to turn off your cell radio (which will also kill calling and texting though). It also depends on just how fast your battery is draining. How much time are you getting with it on? How quickly is it draining (percentage wise per hour for example)?

calsurferpunk said:
Based on that, the only thing that I can think of is to turn down your display brightness (even try setting to auto if you haven't already) and if your cell service is often weak/non existent, then put it in airplane mode temporarily to turn off your cell radio (which will also kill calling and texting though). It also depends on just how fast your battery is draining. How much time are you getting with it on? How quickly is it draining (percentage wise per hour for example)?
Click to expand...
Click to collapse
i think its about 10% per hour when i use wifi internet on my phone .. and except this while i play game draining battery also fast i not getting its my battery issue or my software issue my 11% of battery consumed by my screen and cell standby consume 5% of battery as per my battery monitor in my phone

Humza Arain said:
i think its about 10% per hour when i use wifi internet on my phone .. and except this while i play game draining battery also fast i not getting its my battery issue or my software issue my 11% of battery consumed by my screen and cell standby consume 5% of battery as per my battery monitor in my phone
Click to expand...
Click to collapse
It sounds like some of that is just the software then as well. Before I unlocked the bootloader and installed CyanogenMod on mine, I used to see it drain quite a bit faster (especially during standby when the screen was off). A big part of that was being able to change the CPU clock speeds (which I lowered on mine) and adjusting it to where many apps couldn't wake up the phone anymore. When doing heavy gaming though, it's pretty much always guaranteed to drain quickly.

calsurferpunk said:
It sounds like some of that is just the software then as well. Before I unlocked the bootloader and installed CyanogenMod on mine, I used to see it drain quite a bit faster (especially during standby when the screen was off). A big part of that was being able to change the CPU clock speeds (which I lowered on mine) and adjusting it to where many apps couldn't wake up the phone anymore. When doing heavy gaming though, it's pretty much always guaranteed to drain quickly.
Click to expand...
Click to collapse
but im having lillipop 5.1 orignal with latest update but my battery draining bit fast

Humza Arain said:
but im having lillipop 5.1 orignal with latest update but my battery draining bit fast
Click to expand...
Click to collapse
I'm not saying the version you are using, but the actual stock software in general. It's definitely not optimized as well for battery life as it can be in a custom ROM and the bloatware doesn't help either. Using the phone for gaming will also take a hefty toll, regardless of what you are running.

calsurferpunk said:
I'm not saying the version you are using, but the actual stock software in general. It's definitely not optimized as well for battery life as it can be in a custom ROM and the bloatware doesn't help either. Using the phone for gaming will also take a hefty toll, regardless of what you are running.
Click to expand...
Click to collapse
so which thing i do to get more battery life? guide me

Humza Arain said:
i think its about 10% per hour when i use wifi internet on my phone .. and except this while i play game draining battery also fast i not getting its my battery issue or my software issue my 11% of battery consumed by my screen and cell standby consume 5% of battery as per my battery monitor in my phone
Click to expand...
Click to collapse
Do you mean 10% per hour of screen on time or screen off time? If you lose only 10% for an hour of screen on, you probably get 8-10 hours of screen on time per charge. I only get less than 5.

battery draining MM droid turbo
Hi Friends; after updating to MM, my droid turbo seems to have a 2000mah battery...done wipe cache partition before and after the new MM, an hard rest but in stanby or in aiplane mode the battery sucks 10 points and more in a few hours...could you help me? Please...
p.s. idle 22% standby 22%...no gps, no bluetooth, no notification, just a few applications...

Hi Friends; since updating to MM, my droid turbo seems to have a 2000mah battery...done wipe cache partition before and after the new MM, an hard rest but in stanby or in aiplane mode the battery sucks 10 points and more in a few hours without doing anything...could you help me? Please...
p.s. idle 22% standby 22%...no gps, no bluetooth, no notification, just a few applications...I tried, after charging to 100%, leaving the phone for some days without doing anything (no wifi, no connection, no signal) and I was surprised to read such draining as in the screenshot.
Anyone can reply and help me? What's the difference between idle and standby? The phone has a stock firmware, never rooted