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I'm running an un-modded MIUI ROM from MIUI[dot]us and basically the battery drain is becoming an issue to which I assume its kernel and theme related. Basically has anyone got any suggestions to a compatible battery saving kernel that can aid my issue? Whilst I was on the phone now for 30 minutes it apparently used 40% battery. Thanks for the help in advance
Use the Battery Calibration App from the market. IT wtll fix your battery stats after flashing.
Sent from my SGS running ICS with the XDA premium app!
I noticed it too. One week ago I was using gingerbread, which the battery lasted for about 24 hours with the same use as now with MIUI [ICS] 4.0.3 that lasts for about 18 hours.
I calibrated the battery two times, it helped a bit.
[GUIDE] Battery Life
darkyrom.com/community/index.php?threads/guide-battery-life.2551/ [GUIDE] Battery Life
read this guide, I think you will find it helpfull
Hi all Im using rocket rom v10 but battery uses 1% per minute. I have read posts on the rom thread but cant post there yet. Using Betterbattery I have Surfaceflinger using lots..... after 10minutes screen now 85% battery 83%.
magpie1832 said:
Hi all Im using rocket rom v10 but battery uses 1% per minute. I have read posts on the rom thread but cant post there yet. Using Betterbattery I have Surfaceflinger using lots..... after 10minutes screen now 85% battery 83%.
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Click to collapse
Yeah I have the same issues, many of us do, dunno from where that is, kernel or rom or android 4.0.4 or the lrk base??? , deep sleep is perfectly fine, but once screen is on, it's ridiculously high..
Sent from my GT-N7000 using xda premium
Flash the SpeedMod kernel and see if this improves things for you.
Sent from my GT-N7000 using xda premium
I have same exact problem guys i tested speedmod both std and oc version and speed mod too and nothing much change but speed mod drain too fast
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Alternatively you could take the overclocked NoteCore kernel and underclock it.
The kernel is undervolted, so disabling higher processor frequencies will give you the benefits of undervolting and the benefits of underclocking.
I.e. low power consumption and low temperature.
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Goodm7sn said:
Yeah I have the same issues, many of us do, dunno from where that is, kernel or rom or android 4.0.4 or the lrk base??? , deep sleep is perfectly fine, but once screen is on, it's ridiculously high..
Sent from my GT-N7000 using xda premium
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Click to collapse
Its not a 4.0.4 LRK issue. I was running a rooted stock build and installed NoteCore kernel without any issues. When I flashed Rocket V10 it was only then that the battery life became crippling. Shame, I love Rocket and the tweaks but guess I'll go back to stock!
FabreFaction said:
Alternatively you could take the overclocked NoteCore kernel and underclock it.
The kernel is undervolted, so disabling higher processor frequencies will give you the benefits of undervolting and the benefits of underclocking.
I.e. low power consumption and low temperature.
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Click to expand...
Click to collapse
Could u help how much underclock and undervolt....
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Take a look at the NoteCore thread in the development section for the undervolt details.
The overclocked kernel is undervolted.
Install the overclocked kernel then use something like Tegrak to limit the processor frequency to 1400 or 1200 then you will get the reduced battery drain of using lower voltages and lower frequencies on your processor.
Don't change the undervolting set in the overclocked kernel add this had been optimised.
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I don't think it's the kernel's fault for the battery drain.. I think it's the modem..
I have been using notecore with all the touchwiz roms no battery problems at all
RR 10 with NoteCore 13
Just installed NoteCore 13 8hr ago, and plug the power cable for charging. Still plugged now, but the SpyCPU report shows that during the past 8hr, the phone didn't go into deep sleep (while I was ) , but it stays at 100Hz.
Will unplug now and go to work for a day. See if I can get a usage report after work.
Cheers
Yep, definitely faced the same problem, which was the reason I switched to Classic Rom V4 (because of the newest firmware) but actually, though battery life is better, it is still worse than with AlBA v4...I haven't been able to determine whats behind it...
fongwaiyan said:
Just installed NoteCore 13 8hr ago, and plug the power cable for charging. Still plugged now, but the SpyCPU report shows that during the past 8hr, the phone didn't go into deep sleep (while I was ) , but it stays at 100Hz.
Will unplug now and go to work for a day. See if I can get a usage report after work.
Cheers
Click to expand...
Click to collapse
After a normal day usage... The battery drain is still heavy... When screen on, the percentage dropped around 1% per a min or two.
Dunno why... Deep sleep state is ok.
fongwaiyan said:
After a normal day usage... The battery drain is still heavy... When screen on, the percentage dropped around 1% per a min or two.
Dunno why... Deep sleep state is ok.
Click to expand...
Click to collapse
2nd of RR10 with NoteCore 13. The screen-on drainage improved. I read my whole travel time (around 1.5hr) on newspaper via 3G signal, and the battery went from 100% to 81-82%, which is acceptable for me.
Again, Deep sleep works perfectly.
I left this good rom because of this, deep sleep ok, but when the screen is on, too heavy battery drain. same with 2 kernels, should be another reason.
saturax555 said:
I left this good rom because of this, deep sleep ok, but when the screen is on, too heavy battery drain. same with 2 kernels, should be another reason.
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Click to collapse
Which kernels u used? And now u using another rom? Which one? Battery with screen on is better?
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phomem termin
Goodm7sn said:
Which kernels u used? And now u using another rom? Which one? Battery with screen on is better?
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Click to expand...
Click to collapse
I tried with notecore and speedmod. I have used RR10 about 3 days to have several battery cycles. but I felt a big battery drain when using the note, even at low brightness, with nothing strange in CPUspy or BetterBatteryStats.
so I switched to JB liquid. Yesterday night. I would not say it is better for the moment to be honest. New rom, new kernel, not even a beta, so hard to compare, but you are right I feel the same today: high drain with screen on.
(but whatever the battery drain, with palm rejection available on CM9/10, I will switch again to a sammy rom)
I really cant seem to find a way to lower the screen on battery drain , its ,horrible ,
been on latest std notecore and speedmod , and with both i cant seem to get more than 2:00 - 2:30 hours of screen on time & basic use (in total of 10 - 12 hours ) , deep sleep is perfectly fine with 1% loss per hour (sometimes even less !!) , but with the screen on , battery just goes bursting -1% per minute........
we do need our devices to be used , not rested on deepsleep the whole time , otherwise this defies the whole concept of a "smartphone"....
on GB it was very good ,it got worse when Samsung introduced ICS (but was manageable) , but now on 4.0.4 , its just horrible and unacceptable!!! dunno what kind of testing Samsung does before rolling out an update...
sorry for the whole rant and rage post in there , had to speak it out cos im struggling here..
would be highly appreciated if someone can help or a suggest a 4.0.4 rom with a "reasonable" screen on drain... im even considering going back to RRv7 (4.0.3) cos as far as i remember i was getting good battery out of it (deep sleeping and screen on was great there)
cheers.
My batery drain is too much in this rom any sugest
Enviado desde mi GT-N7000 usando Tapatalk 2
Speedmod is better than Notecore for battery usage.....Imho......I tested booths with various Rom.....
Hope this help....
Inviato dal mio GT-N7000 con Tapatalk 2
how much your battery last in standby mode?
Guys I have created this thread Coz I'm really confused as I don't remember how much my battery used to last before I was into flashing daily roms...now I'm on temasek 134.5 with Stephan kernel..and my battery drains almost 8-10% per hour without data,, wifi on and also 2g mode.baseband and ril matching...also I smart flashed calibrated underclock and undervolt and still no success and the best part is I recently bought brand new authentic lg battery from lg showroom I searched almost all forums deleted Google backup transport.apk also as in some forum it was mentioned tried all roms and all kernels the drain pattern is almost similar..kindly help guys..
Any one??
galaxyfitankit said:
Any one??
Click to expand...
Click to collapse
check screenshots in temasek rom dev thread (one of the last posts there by me)
Ohhh my God 2 days and 4 hours which version of temasek you using and which vadonka version of kernel? I'm using 135.4 temasek and used latest Etana stock lite kernel
In standby mode with turned on WLAN and on 2G (running Temaseks CM7 Builds, forgot the kernel) I had a battery drain of 1% in 4 hours. The room was pretty cold though! So not a lot of heat for the phone to deal with.
Sent from my LG-P990 using xda app-developers app
galaxyfitankit said:
Ohhh my God 2 days and 4 hours which version of temasek you using and which vadonka version of kernel? I'm using 135.4 temasek and used latest Etana stock lite kernel
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Click to collapse
i think that is Temasek 129 or 130 (not quite sure because the settings show 1xx, but i know that every newer rom 131-135 didn't work for me)
kernel is Vadonka's OC (from 07-2012 i think)
btw this 2 day battery life is with processor 216-1100 Mhz setting (not with that 1504 mhz from antutu screen)
Guys any idea why my phone. Sucking. Battery even. No app instaled. Bare. Rom still. Drain. On standby no wifi. No data. No phone. Call same drain?
xExabyte said:
In standby mode with turned on WLAN and on 2G (running Temaseks CM7 Builds, forgot the kernel) I had a battery drain of 1% in 4 hours. The room was pretty cold though! So not a lot of heat for the phone to deal with.
Sent from my LG-P990 using xda app-developers app
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Click to collapse
Pics or it didn't happen. Or maybe it was a battery reading bug, what happened after those 4 hours? Did it still not drain anything or started overcompensating for not draining in the first 4 hours?
Ya have that problem too whenever I get hope it drained less suddenly it's deepen the graph ...you guys really lucky having 2 days standby that's seriously great
galaxyfitankit said:
Guys any idea why my phone. Sucking. Battery even. No app instaled. Bare. Rom still. Drain. On standby no wifi. No data. No phone. Call same drain?
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Click to collapse
Don't. Know. Really.
Just got a second LGP990 that I am testing now .. all stock LG GB, have 69% left after 2d 1 hour, sim with only 2G no data.
vanmarek said:
Pics or it didn't happen. Or maybe it was a battery reading bug, what happened after those 4 hours? Did it still not drain anything or started overcompensating for not draining in the first 4 hours?
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Click to collapse
It actually did happen and it wasn't a battery reading bug. After a few minutes of usage my battery percentage sunk by 1%. As usual. No clue how that happened but the room was seriously cold (around 2-3 degrees Celsius.) and I haven't touched the phone at all. Also the processor was clocked at 216mhz the entire time.
Unfortunately that was back in June and I have no way to prove it. This did really happen though. I was pretty shocked too when I saw the ridiculously low drain.
Sent from my LG-P990 using xda app-developers app
Hello.
I was a PA 1.6 and PA 2.X user since last week, when I decided to install stock ROM to check if battery life would improve.
I've been trying different ROMs and realized that battery performance was worst,so I decided to check stock ROM to see if I could get any improvents in battery life.
Yesterday I installed SGN_XX_OXA_KJ1_FACTORYFS stock ROM, but during the night I lost 50% of the battery (I didn't turn Flight Mode on) and now it's draining at 3.5%-5% battery per hour.
I reinstalled the RADIO, but I cannot understand how stock ROM + RADIO can have this much of battery drainage.
Any ideas on what can be happening and how can I solve this?
The only thing left is to format all SD partitions and pray. :laugh:
try slim bean with sync off and just 3g
and check ur battery
if it presists then try flashing xxlrk or xxlr1 modem
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go read the sticky on wakelocks
Have you checked the battery section of settings to see what are the apps drawing the battery? install betterbatterystats and head over to http://forum.xda-developers.com/showthread.php?t=1878828 to understand whats going on
nokiamodeln91 said:
Have you checked the battery section of settings to see what are the apps drawing the battery? install betterbatterystats and head over to http://forum.xda-developers.com/showthread.php?t=1878828 to understand whats going on
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Click to collapse
Yes, I already bought better battery stats but haven't find any wakelock issue... it looks as if it got normalized and now I'm getting 1.5 % per hour, which seems pretty decent...
ptolomeo said:
Yes, I already bought better battery stats but haven't find any wakelock issue... it looks as if it got normalized and now I'm getting 1.5 % per hour, which seems pretty decent...
Click to expand...
Click to collapse
good one! hope it lasts all Christmas, Hanukkah or other holiday celebrations!
ptolomeo said:
Yes, I already bought better battery stats but haven't find any wakelock issue... it looks as if it got normalized and now I'm getting 1.5 % per hour, which seems pretty decent...
Click to expand...
Click to collapse
Ok.. great..
Sent from my GT-N7000 using xda premium
hello
after flashing a few roms, my battery gauge is messed up.
the things i noticed, when my ace turns off deu to low power. the gauge shows 0%.
but when my ace shuts it self down and i plug in the wall charger. the battery gauge shows me a percentage around 75%.
the things i have done to solve this problem is deleting battery stats by cwm and a calibration app nothing did solve the problem.
also i have let the battery drain to zero and then charge it up to 100 and let it drain to zero again. also that didnt solve my problem.
so i flashed back the stock rom by odin. also not solving the problem.
is ther another way to solve the problem
Get a new battery.:thumbup:
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The problem is not with your battery. It's with the battery notifier in the ace. It works well for a time and then goes absolutely crazy. Whenever your battery gets low, about 10% for example, connect the charger and charge blindly for 3 hours. Don't worry about the 100% notification. Try your battery now. It should be fine now. But if you're using battery extender kernel, there's a bug in it that brings down the battery for 50% in a short time after using.
Sent from my GT-S5830 using xda premium
Venomous Viper 119 said:
The problem is not with your battery. It's with the battery notifier in the ace. It works well for a time and then goes absolutely crazy. Whenever your battery gets low, about 10% for example, connect the charger and charge blindly for 3 hours. Don't worry about the 100% notification. Try your battery now. It should be fine now. But if you're using battery extender kernel, there's a bug in it that brings down the battery for 50% in a short time after using.
Sent from my GT-S5830 using xda premium
Click to expand...
Click to collapse
i`am on stock gingerbread, the phone is about two years old. i also noticed that when i turn of my phone and pull the battery out for about three minutes en then put it back in the percentage is higher. so i do think that the battery gauge is messed p but when i use a calibration app to solve it, it gets worse or doesnt change. when i use code *#*#4636#*#* the status of my battery is good. im thinking to buy a new battery but i doubt that it would solve my problem.
Calibration is all fake. Do as I said and you'll definitely witness the results.
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Venomous Viper 119 said:
Calibration is all fake. Do as I said and you'll definitely witness the results.
Sent from my GT-S5830 using xda premium
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Click to collapse
Hi, I have the same problem with the ace of my wife. When I charge it, it says 100% after 10 min charging !
And when I use it not charging, it drops down ...
I try to let it charge longer, but is that sure that the battery continue charging even if the notifier indicates 100% ?
I'm on [ROM] CM7.2-DEMOCRACY FINAL EDITION .. is there also a kernel to change to help ?
Thanks for your answers, by default I will let it charge for 3h.
PS : is there an app to check the battery life ?
Venomous Viper 119 said:
Calibration is all fake. Do as I said and you'll definitely witness the results.
Sent from my GT-S5830 using xda premium
Click to expand...
Click to collapse
i did what you said and it seems to solve the problem step by step
Liell said:
Hi, I have the same problem with the ace of my wife. When I charge it, it says 100% after 10 min charging !
And when I use it not charging, it drops down ...
I try to let it charge longer, but is that sure that the battery continue charging even if the notifier indicates 100% ?
I'm on [ROM] CM7.2-DEMOCRACY FINAL EDITION .. is there also a kernel to change to help ?
Thanks for your answers, by default I will let it charge for 3h.
PS : is there an app to check the battery life ?
Click to expand...
Click to collapse
in dialer u must enter the code *#*#4636#*#* there will appear 4 tabs there is one for battery tap it and you wil see the health of youre battery.
Guys, forget about battery level notification, etc. Any app doing so would collect the info from the android itself. Just do as I said. Everything will be fine.
Sent from my GT-S5830 using xda premium
I've the same issue. I charged it for 3 hours, it's not fine, it goes to 50% in about 15 minutes, and when I reboot my Ace, it drop to 15% !
I noticed that when I turn it off and charge it, the green battery indicator is at 80%...
Any idea ?
I tried differents ROM such as CM10.1 CM10 CM9,PAC, same issue.
I bought my wife a new battery @2000mA and she lasts 2 days now, so the answer seems to be the battery-life ...
Liell said:
I bought my wife a new battery @2000mA and she lasts 2 days now, so the answer seems to be the battery-life ...
Click to expand...
Click to collapse
its a bit risky! u r using 2000mA for 1350mA phone.
Haer said:
I've the same issue. I charged it for 3 hours, it's not fine, it goes to 50% in about 15 minutes, and when I reboot my Ace, it drop to 15% !
I noticed that when I turn it off and charge it, the green battery indicator is at 80%...
Any idea ?
I tried differents ROM such as CM10.1 CM10 CM9,PAC, same issue.
Click to expand...
Click to collapse
CM 9, 10.1,PAC consume battery like hell, but not that much also.
If there r such huge drops that too after charging the fone for 3 hrs then i guess there is a problem with the battery.
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---------- Post added at 04:36 AM ---------- Previous post was at 04:35 AM ----------
Mandark52 said:
its a bit risky! u r using 2000mA for 1350mA phone.
Click to expand...
Click to collapse
Yup u can use without any problem untill voltage n other parameters are as per requirements...
Sent from my GT-S5830 using xda app-developers app
Yes I thing the battery is dead, it's slightly inflated...
I too have the crazy battery problem, but funny thing is if i were to ignore the indicator and just use it from a 3hr-full charge till it dies off, i could achieve 2.5hours of internet surfing (wifi not 3g). To me this is good enough, all calibration fixes do not work for me. Any suggestions?
PS: I have the system time problem too with S'perience Rom, Eg. when i shut down the phone at 1pm to remove the simcard, after booting up the phone the time shows 11am. This happened to me more than 5 times this week. I dono if it's the rom or the battery that gives this problem. I dono about how it was when running stock rom because this phone does not belong to me. Any help is much appreciated.
jeromejeremytay said:
I too have the crazy battery problem, but funny thing is if i were to ignore the indicator and just use it from a 3hr-full charge till it dies off, i could achieve 2.5hours of internet surfing (wifi not 3g). To me this is good enough, all calibration fixes do not work for me. Any suggestions?
PS: I have the system time problem too with S'perience Rom, Eg. when i shut down the phone at 1pm to remove the simcard, after booting up the phone the time shows 11am. This happened to me more than 5 times this week. I dono if it's the rom or the battery that gives this problem. I dono about how it was when running stock rom because this phone does not belong to me. Any help is much appreciated.
Click to expand...
Click to collapse
Try a full discharge and then plug your phone until it is fully charged, finally without unplug it boot into CWM and wipe battery stats, finally reboot and charge it until 100%