Extreme battery drain - T-Mobile Samsung Galaxy S II SGH-T989

I can only use my phone for around 5hours on time until she dies. This is super annoying because of school it dies before lunch :/. Have flashed many different ROMs, tried different radios, one or two ROMs seemed to fix this but don't remember which ones did . Phone dies 1% every 3 minutes it feels, this is retarded is there any known issues with that or fixes? Sticking with juice defender till I find a better option
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nashy10 said:
I can only use my phone for around 5hours on time until she dies. This is super annoying because of school it dies before lunch :/. Have flashed many different ROMs, tried different radios, one or two ROMs seemed to fix this but don't remember which ones did . Phone dies 1% every 3 minutes it feels, this is retarded is there any known issues with that or fixes? Sticking with juice defender till I find a better option
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
do you leave your mobile data on?
also what is your cpu settings?
what rom and kernel you running
and take screenshot of battery usage page and post please

I always leave data on, yes. ROM: Jedi jelly 4, I believe that its insecure kernel because idk any other tw jb kernels. Also on the lb7 blaze radio but I constantly switch those up when I get frustrated with battery. Screenshot may not be accurate because I just flashed at like 430 today, so battery was at like 78% ish on last charge which was around an hour and a half ago. CPU settings are untouched atm
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Download GSam battery monitor to find out what is draining your battery. Then we can look at assisting you in fixing it.
Sent from my SGH-T999 using Tapatalk 2

Bad battery maybe?
Sent from my SGH-T989 using xda app-developers app

Read my reply to the post here. It's an optional and known way of saving battery life for almost any Android phone and help prevent any overheating that you may experience with the phone.

Is your GPS on all the time? Account sync? Settings and data backup? Auto brightness or manual?
Always let the phone drain to 10% or less then fully charge it uninterruped, meaning dont unplug it.
CPU management always helps, especially with screen off. Also use wifi instead of data if avail at school or anywhere else for that matter
Sent from my SGH-T989 using xda premium

I'm betting its the battery. Place it on a flat surface. If it doesn't lay flat and it has a bulge that causes it to bounce around, your batteries screwed.
Sent from my SGH-T989 using xda premium

Got gsam, have ran it for a day. 100% at 6:00 am, 31% at 3:57 pm. This normal ? I flashed back to stock koodo everything , so is this just the quality of the phone? Yes, GPS is always on. Data is normally left on, although I do turn off WiFi from time to time. I used to have a nexus s and the battery would last for days, yet it's smaller and I never had to turn off things. I even get battery drain like this on cm based ROMs ?!
Sent from my SGH-T989D using xda app-developers app

I went from Jedi Knight 6 to Jedi Jelly 4 two days ago and the Rom is super fast and snappy. Very little lag and no issues with fc so far. I do have a little bit of a battery issue myself. When I use the phone for anything I can sit there for an hour and watch the phone dip to below 80% after a full charge. It seems to eat battery when in use but overnight I get almost 14 hours of left untouched. I would like to get at least 8 hours with medium to heavy use. Is that a reasonable number? I have gone through three battery cycles so far.
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Hey man would you mind not posting this here I've created this topic to resolve my issue not necessarily others, please create another thread if you need some help.
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nashy10 said:
Hey man would you mind not posting this here I've created this topic to resolve my issue not necessarily others, please create another thread if you need some help.
Sent from my SGH-T989D using xda app-developers app
Click to expand...
Click to collapse
Actually we are already discussing battery drain in this thread, so the previous poster did exactly what he should have. We don't want multiple threads for one topic.
Regarding your stats.. That's not too bad, but it's hard to say without seeing screen time, app usage, etc.
Sent from my SGH-T999 using Tapatalk 2
---------- Post added at 10:35 PM ---------- Previous post was at 10:30 PM ----------
For anyone requesting input on battery life, please post screenshots of your battery screens as well as screen time. Also post a screenshot of the app sucker list in GSam battery monitor. It's impossible to say what's going on without seeing anything that's using your battery.
Sent from my SGH-T999 using Tapatalk 2

Related

Post your battery life

I don't see a thread like this for the T-mobile variant so I figured we can have our own. It would be nice if you included the following with your posts:
screenshots including on screen time, information about your rom, kernel, etc. and estimated talk, text, browsing, and gaming time, and what brightness you had your screen on (auto, full, etc.). If you use something like SetCpu with profiles list your profiles and settings here too.
I'll start:
This is only my second cycle charge on this device. I only got it 2 days ago now which means it still has room for improvement
My sig has my rom info and I basically did a lot of twitter browsing, about 100 texts a few short minute phone calls including an hour long call when it was at around 10%, a lot of XDA reading, and no gaming today.
I have the device overclocked to 1.89ghz with this kernel with min set at 384mhz ondemand governor. I have a profile that clocks down to 1.5ghz at 50% battery life and another that clocks down to 1ghz at less than 10%.
I've never had a device give me 4h on screen time especially with the abuse I give this device. I can't wait to try out other kernels and roms to see these numbers rise.
I could get a day and a half with no tweaking and low usage, on an average day I'm getting ~15 hours before it starts whining about the battery
Yeah but what's your on screen time?
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Right?! That's what it comes down to. It doesn't matter if your battery life is amazing if the reason why is because you barely if ever use your phone...
I'll post tonight just got my new anker battery.
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Sent from my SGH-T999 using xda app-developers app
z0phi3l said:
I could get a day and a half with no tweaking and low usage, on an average day I'm getting ~15 hours before it starts whining about the battery
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Click to collapse
This is pretty much my result. For me this is great.
jjlean said:
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Click to collapse
Considering your screen was barely on during those 18 hours I can see you didn't use the device much. This is barely average.
Sent from my SGH-T999 using xda app-developers app
This is first charge on anker 2200 mAh testing them out. Will report what stock gives me. I had WiFi on from about 95% to about 50ish.
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mt3g said:
This is first charge on anker 2200 mAh testing them out. Will report what stock gives me. I had WiFi on from about 95% to about 50ish.
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Click to collapse
Worked 12 hrs that day. But yea, it was idle quite a while.
Sent from my SGH-T999 using xda app-developers app
This what i get
Throwing bricks since 2008.....and proud of it.
I could make it 24 hours easily with light usage. With moderate to heavy usage, probably around 20 hours. It really depends on how long the screen is on though. This phone has amazing battery life. My HTC Amaze probably only lasted half as long.
DyeLongJustice said:
I could make it 24 hours easily with light usage. With moderate to heavy usage, probably around 20 hours. It really depends on how long the screen is on though. This phone has amazing battery life. My HTC Amaze probably only lasted half as long.
Click to expand...
Click to collapse
I agree, best battery life I have had out of all of my previous smartphones. I am still testing roms and kernel combinations to figure out what works best for how I use my device. I'm in the middle of testing FSG3 rom with trinity kernel. Will post up battery usage within the next 2 days to compare to my previous Stock rom with Adama 003 kernel battery life.
My Screen
Pretty Good so far, Stock Rom - Rooted - Still 40% left.
This is with the fsg3 rom and trinity kernel. First and only cycle so far. Brightness 100% wifi on most of the time, and data and gps always on. Played music for about half an hour and browsed xda for half an hour.
Edit: screen on time was just over 4 hours deleted the ss by accident.
Will post up the 2nd cycle when it's done.
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This is with the stock battery
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premium
Sent from my SGH-T999 using xda app-developers app
New screen shots after a few cycles. Again fsg3 rom with trinity alpha 36 kernel. Brightness 100% wifi on most of the time, and and auto sync also on.
Look at screen time on not just total battery time. This is what determines good battery life not letting your device sleep on your desk for 2 days and saying you get amazing battery life.
Sent from my SGH-T999 using xda app-developers app
heres mine
Sent from the jungle……ssshhhh Rambo is nearby

Just got 6 hours of screen time......

Okay so I'm in full wtf mode right now. I just got 6 hours if screen time with the stock battery. I under clocked my CPU to 800 MHz(which doesn't matter because this is how much it normally uses any way.) And I set brightness on low plus turned the data off when I wasn't using it. But I've done all this before and have never gotten this type of battery life. Is it the new cm9 beta and the "PEGASUSQ" governor? 6 hours of screen time without a extended battery is supposed to be impossible. Especially with heavy usage.(reading manga/watching videos/listening to music for the whole day )
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hell yeah. I got 7 before on a cm 10 rom and 12 on an extended battery. which was like 4 or 5 hours reading but yes. I think if people turn off data the phone tends to last longer. I know a lot need their emails tho.
EDIT: im sorry, looking at my screenshots, i was on aokp ics
sent via xparent tapatalk - galaxy sii e4gt - paranoid android 2.+
Check your battery - actually open your back cover and check it. There seems to be a major issue with this phone's battery failing. I checked mine 2 hours ago because I got fed up with the battery drain. And like all the other cases, my battery is swollen and defective. I'm not sire when this happened or what caused it.
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asbjörn said:
Check your battery - actually open your back cover and check it. There seems to be a major issue with this phone's battery failing. I checked mine 2 hours ago because I got fed up with the battery drain. And like all the other cases, my battery is swollen and defective. I'm not sire when this happened or what caused it.
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that gets caused by leaving the phone on the charger long after it has fully charged and/or overheating on the battery. it does happen a lot while phone is plugged in.
but actually I think you got his post wrong, we're saying we got great battery. 6 +hours screen ontime. My total was like 12 or something... I have some screenshots..
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cuezaireekaa said:
that gets caused by leaving the phone on the charger long after it has fully charged and/or overheating on the battery. it does happen a lot while phone is plugged in.
but actually I think you got his post wrong, we're saying we got great battery. 6 +hours screen ontime. My total was like 12 or something... I have some screenshots..
sent via xparent tapatalk - galaxy sii e4gt - paranoid android 2.+
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im saying your both lieing without screenshots posted. id like to see the aokp photos of that much batt life..
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Yea I agree. See screenshots would be nice.
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daevion0 said:
Okay so I'm in full wtf mode right now. I just got 6 hours if screen time with the stock battery. I under clocked my CPU to 800 MHz(which doesn't matter because this is how much it normally uses any way.) And I set brightness on low plus turned the data off when I wasn't using it. But I've done all this before and have never gotten this type of battery life. Is it the new cm9 beta and the "PEGASUSQ" governor? 6 hours of screen time without a extended battery is supposed to be impossible. Especially with heavy usage.(reading manga/watching videos/listening to music for the whole day )
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Click to collapse
CM9 gives me close to that. I can get 17 hours of total time with 5 hours of screen time. Its not impossible. Especially if your turning data off inbetween and saving more battery for your screen. CM goodness.....
---------- Post added at 11:08 AM ---------- Previous post was at 11:05 AM ----------
elliwigy said:
im saying your both lieing without screenshots posted. id like to see the aokp photos of that much batt life..
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Click to collapse
Download CM9. turn screen brightness down. Set it up to 'keep screen on'. and run it for 6+ hours. There would be your proof. Definately possible from what I see. I'll attach some screens from yesterday's usage for me.
calisro said:
CM9 gives me close to that. I can get 17 hours of total time with 5 hours of screen time. Its not impossible. Especially if your turning data off inbetween and saving more battery for your screen. CM goodness.....
---------- Post added at 11:08 AM ---------- Previous post was at 11:05 AM ----------
Download CM9. turn screen brightness down. Set it up to 'keep screen on'. and run it for 6+ hours. There would be your proof. Definately possible from what I see. I'll attach some screens from yesterday's usage for me.
Click to expand...
Click to collapse
lol im not claiming to get great batt life.. unfortunately i have a job that doesnt allow me to play with my phone or even keep it on while im at work. just saying if you make a claim then at least back it up.. and mainly for the person who said he can get that batt life on ics aokp..
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Two different days. one with lots of screen time and almost half battery left. Another showing lots of standy (14+ hours) and almost 3 hours screen time and still 30% left. Both had wifi always on set. and neither do I toggle data off.
asbjörn said:
Check your battery - actually open your back cover and check it. There seems to be a major issue with this phone's battery failing. I checked mine 2 hours ago because I got fed up with the battery drain. And like all the other cases, my battery is swollen and defective. I'm not sire when this happened or what caused it.
Sent from my SPH-D710 using xda app-developers app
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Click to collapse
LOL. Did you even read the OP? Your thinking he gets GREAT battery because his battery is FAILING??? LOL.
---------- Post added at 11:23 AM ---------- Previous post was at 11:19 AM ----------
elliwigy said:
lol im not claiming to get great batt life.. unfortunately i have a job that doesnt allow me to play with my phone or even keep it on while im at work. just saying if you make a claim then at least back it up.. and mainly for the person who said he can get that batt life on ics aokp..
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
:good: No problem dude. Just funnin with ya.
calisro said:
LOL. Did you even read the OP? Your thinking he gets GREAT battery because his battery is FAILING??? LOL.
---------- Post added at 11:23 AM ---------- Previous post was at 11:19 AM ----------
:good: No problem dude. Just funnin with ya.
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Click to collapse
not bad.. better than i get lol. still tho, op is saying 6 hours lol. thats basically double what you posted.. then again u kept wifi on and data so that could acct for less batt time. also you didnt let it get super low. i havw a new batt but dunno if its bad.. when i put it in and put on charger it just blinks blue led and wont turn on.. am i suppose to leave it in for hours or is there a trick im missing? lol either way i paid 7$ for it and its a oem battery
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elliwigy said:
not bad.. better than i get lol. still tho, op is saying 6 hours lol. thats basically double what you posted.. then again u kept wifi on and data so that could acct for less batt time. also you didnt let it get super low. i havw a new batt but dunno if its bad.. when i put it in and put on charger it just blinks blue led and wont turn on.. am i suppose to leave it in for hours or is there a trick im missing? lol either way i paid 7$ for it and its a oem battery
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sounds like a bad or incompatible battery to me. I usually stick with Samsung batteries as they are pretty damn good quality...
I did this without a battery
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revamper said:
I did this without a battery
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lmao
revamper said:
I did this without a battery
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Click to collapse
Impressive. I bet I can get even more without a phone.
daevion0 said:
Okay so I'm in full wtf mode right now. I just got 6 hours if screen time with the stock battery. I under clocked my CPU to 800 MHz(which doesn't matter because this is how much it normally uses any way.) And I set brightness on low plus turned the data off when I wasn't using it. But I've done all this before and have never gotten this type of battery life. Is it the new cm9 beta and the "PEGASUSQ" governor? 6 hours of screen time without a extended battery is supposed to be impossible. Especially with heavy usage.(reading manga/watching videos/listening to music for the whole day )
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
What I/O scheduler are you using?
ok, no reason to lie about battery stats. jusrt stating
wouldve responded sooner but im on miui and it cant see my external atm. usb mass storage didnt work either. anyway..
1800 stock batt
3600 trexcell batt
---------- Post added at 12:02 PM ---------- Previous post was at 11:59 AM ----------
edit: i would like to add that there were no 3d games played. and probably very little video. a lot of reading Moon Reader, PowerAmp, browsing Taptu, twitter, texts, setting up screens and icons etc., i have nothing syncing except gmail and chrome. screen at 20%, undervolted -50 1000mhz, inverted everything, chris41g twrp-rc11, aokp milestone source.
sadly i havent got quite these stats on JB. running PA 2.13 and i average 3hrs screen, and around 12 to 16 total hrs.
elliwigy said:
lol im not claiming to get great batt life.. unfortunately i have a job that doesnt allow me to play with my phone or even keep it on while im at work. just saying if you make a claim then at least back it up.. and mainly for the person who said he can get that batt life on ics aokp..
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
unfortunately ive been laid off for a couple months so i tend to play on my phone a lot. aside from bathroom breaks.. wait a min... phones in there with me too.
cuezaireekaa said:
... aside from bathroom breaks.. wait a min... phones in there with me too.
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Click to collapse
eewwwwww.
calisro said:
eewwwwww.
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Click to collapse
hey now, i wash my hands. and phone.. OCD, im always wiping the phone down from prints and such. cant stand a "greasy" phone
The best battery life I have gotten has been completely stock...5-6 screentime on a regular basis.....i don't like the look of stock but I need my batttery life for my job..I flash on the weekends but stay stock during the week
Sent from my SPH-D710 using Tapatalk 2

Post your tips for battery life.

Most people in this forum are far more tech savy when it comes to cell phones.
Post your personal tips for battery conservation. Include specific apps if you'd like.
Regards,
ab
I don't worry about battery life, brightness all the way up, sync on, widgets on every screen, Wi-Fi always on. I usually get about 14 hours
Sent from my SGH-T999 using Tapatalk 2
I'm very conservative. WiFi off, data off when not using it, brightness depends, auto sync off, no battery sucking apps like facebook
Sent from my SAMSUNG-SGH-I747 using xda premium
Liteflow is the one everyone should watchout i have 2x better standby time simply by deleting it and i put airplane mode everywhere i get like 1bar/signal it helps a bit also.
Sent from my SGH-T999V using xda premium
The simple solutions are the best.
Extension cords in the house.
Car chargers/docks in the cars
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I get phenomenal battery life out of my S3 (stock).
I had an Epic 4G and was afraid to leave my desk because of the battery drain. With moderate usage (30-60 mins talk time, texting, chat, some web, exchange, ect) I can easily get 16-20 hours. Signal quality in your area will impact it more than anything. Also, wifi is vastly easier on the battery.
PS Facebook app SUCKS. Just bookmark the webpage and use that. Works better and doesn't ruin your phone.
Here how it looks like ! Lovin this screen on time..
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I have a whole thread with tips and tricks.
[How to] --->You Want Better Battery Life:::Read This
It is pretty extensive too.
Woodrube said:
I have a whole thread with tips and tricks.
[How to] --->You Want Better Battery Life:::Read This
It is pretty extensive too.
Click to expand...
Click to collapse
Thats a great thread man! Thanks for linking to it!
You guys should definitely check it out if you haven't already. Lots of great info!:thumbup:
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shahkam said:
Liteflow is the one everyone should watchout i have 2x better standby time simply by deleting it and i put airplane mode everywhere i get like 1bar/signal it helps a bit also.
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Click to collapse
I've never even seen liteflow on my battery usage. What makes you say liteflow kills battery?
Sent from Flip's S3
Awesome thread!
I am noticing that Google Chrome uses half the amount of RAM the stock Internet Brower uses.
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elflip88 said:
I've never even seen liteflow on my battery usage. What makes you say liteflow kills battery?
Sent from Flip's S3
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I think it depends on how its configured. I've seen it eat the battery but also not use it much at all. Been a bit since I messed with it though so don't remember what settings made the difference.
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elflip88 said:
I've never even seen liteflow on my battery usage. What makes you say liteflow kills battery?
Sent from Flip's S3
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I checked in betterbatterystats and it gave me a ton of wakelock so the phone couldnt go onto deepsleep..
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shahkam said:
I checked in betterbatterystats and it gave me a ton of wakelock so the phone couldnt go onto deepsleep..
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i have betterbatterystats too but have no idea what the wakelocks affect and how to get rid of them.
Post a screen shot and I'll tell ya what could be happening.
You can improve battery life by switching to custom roms with less bloatware, and updating to more efficient kernels. (This is on a Rom/Kernel level)
Software wise, just figure out what apps are causing wake times and try not to use them. Basically whenever an app/widget refreshes/updates content, it may cause phone to wake (like weather/clock widgets for example).
I have been using cpusleep and it seems to have helped my battery life ... also using a custom rom without the bloatware is key for me.
my current setup is freegs3 release 6 with the latest trinity kernel...even though its overclocked my battery has been amazing and phone has worked flawless.
Im also using system tuner which has given me the ability to manage the cpu with on demand and other customizable settings
The only thing I synch is my k9 mail account
I also have frozen several samsung apps which helped...
Im now getting over 20 hours of basic use between charges...I dont use games/videos so might be a little skewed . I use this phone for business calls/internet/messaging/photos/navi...pretty basic
4500mah stock
Only 58% of battery
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I have been using Gigajoule lately by feckmu and it has given me the best battery life out of all the custom roms I have tried. Even with GPS, WIFI, and screen at full brightness I can make it through the entire day with 30-40% battery left. If your looking for a rom-based solution to your battery life, check it out!
jpeps said:
4500mah stock
Only 58% of battery
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Click to collapse
That isnt impressive at all.. 2hours screen on time and 15 hours standby ? I can doo that on stock 2100mah.
Sent from my SGH-T999V using xda premium

Need battery tips for 6+ hrs screen time

Hi guys using wicked with trinity 7b. See a few people posting 2 days on one charge and over 6 hours screen time. Would like to know how as i cannot get anywhere near that. I use system tuner, odex my Rom and kill my tasks whenever possible. I use lh2 modem.
Anyone with huge battery time please help us out here. I'm sure many of us would like some help. Also if you tweak your build.prop press share that.
Looking for details. I'm not a noob
sgs3 : wicked v6 Rom : uv : odexed : trinity
They are not using the stock battery. If you want battery like that, buy an extended battery. That is the only answer.
What I find most telling in many of these screen shots is that Device Idle and Cell Standby are almost always in the top.
Woodrube said:
What I find most telling in many of these screen shots is that Device Idle and Cell Standby are almost always in the top.
Click to expand...
Click to collapse
Cell standby is actually lying. It was coded with a decimal in the wrong place and so it shows that it uses a lot more than it actually does. Purely cosmetic really, but can be annoying when testing battery issues.
Edit: many custom roms have corrected this btw.
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No it's on stock battery. I get about 5 hours now looking to take it to a higher level. Pun intended
sgs3 : wicked v6 Rom : uv : odexed : trinity
DocHoliday77 said:
Cell standby is actually lying. It was coded with a decimal in the wrong place and so it shows that it uses a lot more than it actually does. Purely cosmetic really, but can be annoying when testing battery issues.
Edit: many custom roms have corrected this btw.
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
Ya, I saw that before. There is a zip floating around here somewhere that moves it from .34 to 3.4 and fixes it. But you're right that most custom ROMs have this (Cell Standby) fixed.
I just mainly think that Device Idle even being in the top 3 or 4 is a very telling sign that the phone is not being used very much.
Install the easy battery saver app.
I hate to be the jerk... but OP has spammed every rom thread nearly bugging about screen time. Nowadays its hard to get 6+ hours of screen time. Maybe switch to an older, dumber phone with not as sexy as display and you will have better luck. Or carry a spare battery... or strategically place chargers in common spots.
Sent from my Wicked Galaxy S3
GalaxyS3Guy said:
I hate to be the jerk... but OP has spammed every rom thread nearly bugging about screen time. Nowadays its hard to get 6+ hours of screen time. Maybe switch to an older, dumber phone with not as sexy as display and you will have better luck. Or carry a spare battery... or strategically place chargers in common spots.
Sent from my Wicked Galaxy S3
Click to expand...
Click to collapse
Do i here snake Nokia phones?
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Im running liquid smooth and ktoonz kernel overclocked to 2.1ghz With max brightness here's my results
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shehade08 said:
Im running liquid smooth and ktoonz kernel overclocked to 2.1ghz With max brightness here's my results
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Click to collapse
This isn't a battery screenshot thread. You charged your battery anyways.
Sent from my SGH-T999
The only way i could probably make 6 hours screen on time would be to lower brightness all the way down, turn off data whenever Im not using it, turn of autosync, underclock and undervolt. But then what would be the point of me having such an awesome phone
Sent from Flip's S3
Because you CAN.
elflip88 said:
The only way i could probably make 6 hours screen on time would be to lower brightness all the way down, turn off data whenever Im not using it, turn of autosync, underclock and undervolt. But then what would be the point of me having such an awesome phone
Sent from Flip's S3
Click to expand...
Click to collapse
I do all those things (-underclocking and undervolting), and more, because I don't need most of this on all the time, and my screen time is great. Plus, I bought a 4400mah extended battery & get 4-5 days on a single charge.
Then u need an old nokia.
joshnichols189 said:
This isn't a battery screenshot thread. You charged your battery anyways.
Sent from my SGH-T999
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Click to collapse
When you plug you phone in the charger the hours reset, my screenshots were to show that its not impossible to get 6+ hours, if I under clock and turn everything off I can probably get that.
The liquid smooth ROM has amazing battery life, you should give it a try I think you will like it.
Sent from my SGH-T999 using xda app-developers app
shehade08 said:
When you plug you phone in the charger the hours reset, my screenshots were to show that its not impossible to get 6+ hours, if I under clock and turn everything off I can probably get that.
The liquid smooth ROM has amazing battery life, you should give it a try I think you will like it.
Sent from my SGH-T999 using xda app-developers app
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Click to collapse
Screen shots are great guys. I do want to see them. Most importantly trying to see if there are deeper settings and apps to freeze or avoid and tweaks to build.prop etc.
Rom and kernel and modem used would be helpful.
Also, you did charge but the timer will only reset when you fully charge the phone.
sgs3 : wicked v6 Rom : uv : odexed : trinity
shehade08 said:
When you plug you phone in the charger the hours reset, my screenshots were to show that its not impossible to get 6+ hours, if I under clock and turn everything off I can probably get that.
The liquid smooth ROM has amazing battery life, you should give it a try I think you will like it.
Sent from my SGH-T999 using xda app-developers app
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Click to collapse
That's not true.. I just plugged mine in and the hours did not reset. I think they only reset after you hit in he high 90s
Sent from my SGH-T999 using xda premium
Crisisx1 said:
That's not true.. I just plugged mine in and the hours did not reset. I think they only reset after you hit in he high 90s
Sent from my SGH-T999 using xda premium
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Oh really? Mine seems like it resets automatically...I guess I don't pay much attention to it
Sent from my SGH-T999 using xda app-developers app
This is most I can get with everything normal on ( data, sync, and music) I can reach six but I would have to under clock to 1.3-1.2ghz and turn off data.
Sent from my SGH-T999 using xda premium
Sent from my SGH-T999 using xda premium

[Q] kernel for best battery?

Hello all I was wondering if anyone had any suggestions on which kernel helps save the most battery. I am a high school student and by the time I get out at 2:15 my batter is at like 30 or 40 percent (even know I don't get that good of service and shouldn't be using my phone In school anyway lol) but im using the infamous 3.9.2 rom... Any suggestions would be great!
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Well to be honest no kernel is gong to be the "best" is more like you need to be conscious what you have on. You have to give more info like what percentage you have brightness on, how often you have data on or gps. Also syncing takes battery away so having those on will take big chunks. Really battery shouldn't be that bad because technically I would guess your not using it as much in school.
Sent from my SGH-T999 using xda app-developers app
daxecutioner24 said:
Well to be honest no kernel is gong to be the "best" is more like you need to be conscious what you have on. You have to give more info like what percentage you have brightness on, how often you have data on or gps. Also syncing takes battery away so having those on will take big chunks. Really battery shouldn't be that bad because technically I would guess your not using it as much in school.
Sent from my SGH-T999 using xda app-developers app
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I normally have the brightness the lowest it can go. I never have gps on.. I use juice defender to turn off my data when I'm in rooms that get no 4G and im assuming synching is off when my data is off to.
Sent from my SGH-T999 using xda premium
What's your typical usage - the screen on time ?
If it's average use and nothing is wrong, you might want to consider buying either an extra battery or an external battery to charge with. Or an extended battery. Battery battery battery.
Pennycake said:
What's your typical usage - the screen on time ?
If it's average use and nothing is wrong, you might want to consider buying either an extra battery or an external battery to charge with. Or an extended battery. Battery battery battery.
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I will let you know at the end of my school day
Sent from my SGH-T999 using xda premium
use one of the several methods to find out what is using the battery...i use betterbatterystats then i find out whats waking my cpu and go from there...
after that i use titanium to freeze the problem...I do this for several phones and normally can get way better battery life from them
Just make sure you don't freeze something important that's going to cause problems. If it's a app you can always uninstall..I'd your screen time is about 4 to to 6 hours expect like 9 to 10 hours max of battery life. Extended battery will make the phone look bulkier and having a case is a issue. If anything get an external battery possibly with charger too.
Sent from my SGH-T999 using xda app-developers app
Sent from my SGH-T999 using xda premium
Try Lean Kernel its the best for battery life.

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