Develop Bugs

Is this battery life normal?

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My battery readings are really off. There are times when the battery increases in percentage without being on the charger. Is this normal?
I calibrated the battery (oem) but this continues.

Mines been doing that... really more interestingly I found something about using the wrong charger throws your cycle off? What charger do you use? I use my old BB charger since it has a wayyyy longer cord
Sent from my SPH-D710 using XDA App

I've only used the OEM charger the last few days but it still happens. I'm glad I'm not the only one that has this issue.

Mine has been pretty bad as well. I think you're actually doing a bit better than me, considering your high screen on time.

Some ROM, kernel, and modem info may be helpful to see if there's a common factor contributing to the big drop in battery
Sent from my SPH-D710 using xda premium

The picture was with Calk 2.0.0, one of the EK02 kernels and the EG31 modem. I'm on EK02 today and my battery looks like it's headed the same way. Dropped to 68% from about six hours of sleeping.

wolfkstaag said:
The picture was with Calk 2.0.0, one of the EK02 kernels and the EG31 modem. I'm on EK02 today and my battery looks like it's headed the same way. Dropped to 68% from about six hours of sleeping.
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I've noticed mine always seems to drop quite a bit while I'm asleep if I don't charge it overnight. Which is strange because during the day I keep it connected to either WiFi or 4G pretty much all day and I can get at least 15 hours out of it there but 7 hours of sleep at night and my phone decides to give up on battery life.

wolfkstaag said:
The picture was with Calk 2.0.0, one of the EK02 kernels and the EG31 modem. I'm on EK02 today and my battery looks like it's headed the same way. Dropped to 68% from about six hours of sleeping.
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I had to do battery calibration 4 times after changing to EK02 modem but my signal strength is much better. My battery was dropping to 96% as soon as I unplugged it. Have you tried the Battery Calibration app by Ne'ma?
Sent from my SPH-D710 using xda premium

I'm on Calk's 2.0 with EK02 kernel and EG30 modem and am having great battery life...odd. Doubt that the modem would make that much of a difference.
Currently at 26 1/2 hours w/ no plug-ins, 29% battery left, with moderate use (awake and screen on times comparable to the screenshot you posted).

All that app does is remove the battery stat file, which is proven to do less than nothing on the E4GT. I'll try some normal calibrations, though; I'm also going to try the Zedomax kernel and see if that makes a difference.

wolfkstaag said:
All that app does is remove the battery stat file, which is proven to do less than nothing on the E4GT. I'll try some normal calibrations, though; I'm also going to try the Zedomax kernel and see if that makes a difference.
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I have heard that the app does nothing as well. I only suggested it because after I changed modems when my phone charged to full and I unplugged it, it dropped to 96% immediately until I used that a couple of times. Now, everything is great like it was previously. Maybe I was just getting inaccurate reading
Sent from my SPH-D710 using xda premium

here are some weirod ones from my frist e4gt

With really heavy usage.
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Grub4dos said:
With really heavy usage.
Sent from my SPH-D710 using xda premium
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That's not heavy usage lls
Sent from my SPH-D710 using XDA App

i've experienced sudden drops in battery level after a reboot, going from 50% to 20%. the phone is unrooted, just got it last week. when there are no sudden drops, the battery life has been good, 12 hours with moderate/heavy use (wifi with streaming internet radio, email, web browsing, gaming), much higher with some down time.
is there a fix for this?

Post Battery Life Here

Just curious to see what everyones battery usage is like. I'll post mine tonight after my battery drains down
Sent from my SAMSUNG-SGH-I747 using xda premium

jdbeitz said:
Just curious to see what everyones battery usage is like. I'll post mine tonight after my battery drains down
Sent from my SAMSUNG-SGH-I747 using xda premium
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I charged it up during the day yesterday, but then hammered it syncing my emails, sms messages and other things.
So, last night was my first real charge. I took it off the charger at 6am this morning, and right now, at just a few minutes less than 5 hours, I'm at 83% with 70% use being cell standby.
I'm sticking with HSPA+ today, because I know that will drain the battery more than WiFi (at least that was the case on my Atrix) and I'm trying to get a feel for the battery life when away from WiFi.
Now, full disclosure, my phone has 6 email accounts setup for push. An Exchange account, two Gmail accounts and three Imap idle accounts using k9 mail. Still, I would say it's burning battery at a little higher rate than my Atrix with those same six push email accounts.

5 hours and down to 40%.
:-(

I'm seeing a significant increase in battery life whith the s3 over the s2
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I'm a bit of a light user, but a little heavier than average given new phone.

7.5 hrs @ 57%.
I'll post screens when I can.

5 Hours, 45%, screen on 2 hr, 12 min.
Interesting thing: I have a Pandora Widget on my screen, have not used it at all, and 13% of my power, and show son for 22 min.

9.5 hrs @ 29%.
I am using the default juicedefender profile.

Cell standby hogs the battery more than other phones like US One X with same SoC. I think kernel devs can work on this since this is not normal.

To get a good idea on battery life, everyone needs to show their screen on time as it should be the biggest drain.
Sent from my HTC One X using Tapatalk 2

This is on power save mode.
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^^ I had power saving off for the first 3 hours of the day, and screen was set to 1/4 brightness. I changed screen to auto brightness, disabled wifi network scanning/notification, turned on power saving mode (all options), and it's been like that since about 3 hours into the day. I've done some driving with Slacker Radio streaming via bluetooth to my Jeep.
Seems like cellular standby eats juice. I am in an LTE area.

is the a way to turn off LTE?

This is mine so far, don't really run any battery saving appsetc. Cell standby is a bit too much.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Heavy usage today including a 30 minute trip in the car using gps and lte im at 42% right now
Sent from my SAMSUNG-SGH-I747 using XDA

420SYN said:
is the a way to turn off LTE?
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this.
op said he just ran on hspa+ so there must be a simple way to do it

jdhommert said:
this.
op said he just ran on hspa+ so there must be a simple way to do it
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Click to collapse
I haven't seen a way to switch. The person in question is probably in a market without LTE like I am and is stuck on HSPA+

so battery life is wayy better on the exynos...
Sent from my SAMSUNG-SGH-I717 using xda premium

I went to work yesterday at 4:30pm and showed people my phone all day as well as had the screen on the entire time for my lunch. Got home at 11:45pm and my battery was at 91%. This is on LTE the entire time also. My Nexus was usually at 60-70% by the time I got home.

Zacisblack said:
I went to work yesterday at 4:30pm and showed people my phone all day as well as had the screen on the entire time for my lunch. Got home at 11:45pm and my battery was at 91%. This is on LTE the entire time also. My Nexus was usually at 60-70% by the time I got home.
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are you rooted? cause 91% left and you had it on for about 7 hours??? that's damn good. where you running any apps?

Is my battery okay?

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Running on cm10 8/10 preview build.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

What's your screen on time?
Sent from my SGH-I747M using xda premium

d3athsd00r said:
What's your screen on time?
Sent from my SGH-I747M using xda premium
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Screen is on 70 percent I don't know how to check the time
Found it it says 2 hours and 20 minutes
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Your battery life looks normal, and my god you're a smartphone addict...
8 hours screen on time is about the norm for the phone from a full charge to empty.

sultanqasim said:
Your battery life looks normal, and my god you're a smartphone addict...
8 hours screen on time is about the norm for the phone from a full charge to empty.
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My screen has only been on 2 hour 20 mins that is like 1/4 of 8 hours of screen time...? Or do you mean the phone itself being online then it would be 10hours.

Your battery life is normal with the signal readings that are shown in the screenshot. You are showing almost no signal for most of the 10 hours, that will drastically drain your battery. You could probably get another hour of screen time out of that 14%. That would give you almost 12 hours on a full charge with a weak signal. I have also found the stock ROMs to have longer battery life so far than the cm/aokp ROMs, at least on this phone so far. Once they get the cm/aokp ROMs 100%, they will probably yield better battery life.

sultanqasim said:
Your battery life looks normal, and my god you're a smartphone addict...
8 hours screen on time is about the norm for the phone from a full charge to empty.
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8 hours of screen on time?!?!?!?!? If I get 3 hours it's a miracle. I've never heard of anyone getting a solid 8 hours of actual screen on time. I don't think I'd get that even if the phone was on airplane mode.

try logging out of lattitude

It depends entirely on the ROM and kernel. With stock TouchWiz I can get close to 8 hours. With the latest CM10 I'm also getting close to 8 hours screen time. With KT747 and CM9 and an over clock to 1890 MHz, I got around 5 hours screen time a couple weeks ago.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

sultanqasim said:
It depends entirely on the ROM and kernel. With stock TouchWiz I can get close to 8 hours. With the latest CM10 I'm also getting close to 8 hours screen time. With KT747 and CM9 and an over clock to 1890 MHz, I got around 5 hours screen time a couple weeks ago.
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
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Screen time of 8 hours is a lot isn't it I would be happy with 4 hours.
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How To Increase Battery Life ?

my battery drain so fast in 1hour..

you gave us no information, no screenshots or anything. please provide before we can tell you anything.

Zepius said:
you gave us no information, no screenshots or anything. please provide before we can tell you anything.
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sorry for no information & no screenshots or anything...i never thought to take any screenshots.. i only open my mobile network..and its on for 24/7..when screen off yet the battery still drain so fast..

los3rkid91 said:
sorry for no information & no screenshots or anything...i never thought to take any screenshots.. i only open my mobile network..and its on for 24/7..when screen off yet the battery still drain so fast..
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Post a Screenshot of your battery drain in the settings and give details about your setup. And what is fast in your opinion? 1% /hour?
Maybe you should buy the extended battery kit?
Sent from my Nexus 7

los3rkid91 said:
my battery drain so fast in 1hour..
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try flashing different kernels and see which one suits u the best.every phone is different.u may also wanna underclock and undervolt. also change the rom may b if changing kernel doesnot work.ine suggestion.XenonHD rom with its stock kernel.

The stock battery is a joke at 1800 and the extended is 2100...I had both and both sucked although the 2100 was a lil better. I have the 3800 Seiko battery now and that will last me all day. Makes the phone thicker but its better then charging all day and worrying about what's killing your battery.
Sent from my Galaxy Nexus using xda app-developers app

Turn off features when not being used like data NFC GPS.
Also avoid auto task killers

How much does it drain in one hour? Battery drain depends on many factors. The mains ones would be what kernel and ROM you are running as well as what "features" you have turned on. For example I am running CM10.1 with the stock CM kernel and I usually get around 16-18 hours of battery life with 1.5-2 hours of screen time.. that is with all of the features (gps, NFC, etc.) turned OFF.

Refer to my post, partner
Sent from my Galaxy Nexus using XDA Premium HD app

Lunarskye23 said:
The stock battery is a joke at 1800 and the extended is 2100...I had both and both sucked although the 2100 was a lil better. I have the 3800 Seiko battery now and that will last me all day. Makes the phone thicker but its better then charging all day and worrying about what's killing your battery.
Sent from my Galaxy Nexus using xda app-developers app
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How on earth can you drain a 3800mAh battery in one day? Nonstop internet radio AND 3d gaming on full display brightness?

I am currently using PA rom with franco kernel. Normal day = roughly 13-15 hours ish.
By normal day I mean around 30 minutes of talk time, about 1 hour ish web browsing and like what, 30 minutes ish of youtube? Of course, sometimes I am free and end up playing games on it for couple hours lol, but the stock battery seems to be plenty enough to me.

My battery makes it about 15-17 hours,with about 1 hour gaming,1 hour browsing and talk time around 1,5 hours...Xylon + Purity Kernel!

It is what it is. This is Wi-Fi only on this charge:
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Turn data off when not using it. You can download a widget for that.
Keep screen brightness down low.
If rooted use setcpu and choose a screen off profile of 350mhz maximum - I find this a real benefit.

Battery drains fast for the first 20-25% on Jelly Bean

Hey All,
I hope someone here can help me out. I am on stock rooted JB and the batter drains extremely fast for the first 20%. In about an hour I am down to about 75-80% left. Then it slows down. Also when I unplug the charger the battery immediately looses 5%. I might have to go back to Ginger Bread because this update is so buggy.

I m having the same issue.
Was having 2-days battery life with ICS.
Update to JB with new TMobile radio. Battery lift drop so fast. Only for 1-day. Same usage. Now back to ICS. Still cant get 2-days battery life. Any one has the same problem?
Sent from my SGH-T989D using xda app-developers app

I switched back to Ginger bread. JB has nice features but its too buggy and everything crashed even after a factory reset and debloat.

It will take a couple of days (a week maybe) until the phone settles down into its own. Until that time you will see very random battery stats. It has happened to me on every new OS I have ever flashed. Several reboots followed by a ten minute "no touch" helps me. Meaning boot the phone, let it sit for ten minutes, reboot the phone, let it sit for another ten minutes, etc. After about four reboots like this my battery becomes more stable and predictable.

Same problem. My battery drop so much. I used deep sleep battery saver but seem cant help more.
Sent from my SAMSUNG-SGH-T989 using xda premium

Sounds like you guys might have have some rogue apps but also it does take a little time for the ROM to settle in
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I froze or uninstalled everything there is to freeze and uninstall. The only thing that syncs is the email every 30 min. Thats it. I am a light user and on GB I get 3 days of battery life on a single charge. After this update I cant get half a day. I never heard of ROM that needs to settle, is it like a new puppy or something

Damn that's crazy I've never seen 2 days
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On GB for 12 hours with 70% left. I have been using the phone quite heavily today. I can usually get about 3 days out of it with light use an only email sync.
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Yeah that's wild but I prefer having the latest and greatest I can deal with at least getting a day out of my battery ha I have 4 spare batteries always fully charged ready to go
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megaforcer said:
On GB for 12 hours with 70% left. I have been using the phone quite heavily today. I can usually get about 3 days out of it with light use an only email sync.
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You used the phone quite heavily? You barely have any screen on time. That is not heavy at all.

What the stats don't show is that my screen was on for at least 2 hours that morning while I was trying to restore GB from backups. It took at least 5 attempts to get it to work properly.

thakrew317 said:
Damn that's crazy I've never seen 2 days
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+1 to that! 3 days is crazy!
megaforcer: Can you please post screenshots with battery lasting 3 days?
Also, what GB ROM are you using for that kind of life?