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How are people getting good battery life

I have flashed numerous kernels some of which people claim to get 15 to 20 hours of battery life with 4g on. I still can't achive good battery life with moderate use every 4 minutes of use my battery life drops a percent.
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well for myself, I prefer the smartass governor, but not all kernels come set to use a governor that achieves battery life like that. They may come preset to ondemand, performance, etc. Some governors need to have profiles set to keep the clockspeed low while the screen is off. I am using adrenalynes 2.0 kernal still (haven't had time to flash his new one, will be doing that in a few) and Set to the smartass governor, I am at 22 hours, with 43% left, while running the tesla coil rom.
and oh, cause I love making people tell me it is a waste, I have a task killer set to auto kill every 30 mins...

When my phone isn't on, my battery stays up in the 90 s for about 2 hours... So on and so forth
When I use it its a different story
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Yes I am familiar with smartass and so on i've flashed so many kernels. It's seems like I get good battery life for a few like taking 2 hours to drop 5 percent with use but after a certain point it just drops quicker and quicker
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I like all the kernel tweeks, but the extended battery is great.

install current widget, and log your idle power draw readings over a few hours. that's the only way to see what your phone is doing with the battery. then i use system panel monitoring to see the highest used apps of CPU percentage, and deal with those accordingly.

thunderboltglass said:
Yes I am familiar with smartass and so on i've flashed so many kernels. It's seems like I get good battery life for a few like taking 2 hours to drop 5 percent with use but after a certain point it just drops quicker and quicker
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you make sure to bump charge your phone and then wipe battery stats everytime you flash a new rom?
i noticed CWM doesn't seem to wipe battery stats, so I went in and wiped them with root explorer myself. Renamed the file to batterystats.bin.back and rebooted and have had nothing but super perfect battery since.
/data/system/batterystats.bin

nosympathy-
So I assume that the batterystats.bin file is automatically rebuilt (new file) after you rename it? Do you have to restart the phone or anything? What about if I don't bump charge? Will this still help?

daniel178 said:
nosympathy-
So I assume that the batterystats.bin file is automatically rebuilt (new file) after you rename it? Do you have to restart the phone or anything? What about if I don't bump charge? Will this still help?
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A new file will be created when you reboot.
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Ya i've bump charged a few times do you have to do this everyday though
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Nevermin I see each time you flash
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I throw it in airplane mode if i'm not using it for a hour or 2, screen brightness on 20 while inside and 100 while outside and everything else is stock including the battery and i have no root, after 15hr since unplugged and having 3.5h of use i still had over 50% battery when i went to bed

Thunderbolt not displaying battery

Hey guys I'm on the newest version of virus rom and my battery will just stay at,say,89% unless a reboot is performed. Any way to fix this?
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I had that problem with the standard debloat Rom. New rom seems to update all the time.
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Try this for a fix https://market.android.com/details?id=com.nema.batterycalibration

Thanks ima try it.
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Grr not working
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Anyone?
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I really believe the battery display is an os issue. That's why I'm waiting to root.
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Ugh whatever I guess ill know when to charge it when my battery dies.....
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Same thing here... only happens when I use the extended battery.

psufan5 said:
Same thing here... only happens when I use the extended battery.
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same problem as it only happens when i use the extended battery. i am trying out battery left widget no clue if it will help or calculate a good reading for me but its calibrating as i just tried it out today.
all the battery wipes in the world will not reset it and help

I get inaccurate info. Seems when i reboot my phone i loose 10-15% charge and it happens all the time. - Extended battery
sent though PNB Rapid Remit through my Thunderbolt

I was having the same issue with my battery meter sticking. The same time this happens, my Setcpu app also was sticking and would full throttle the cpu. Im running the VirusRom right now, but have experienced this problem on a few of the other Roms also. My usual fix was just wipe everything and go with new install. It started happening again last night and I followed some posters advice to let the battery totally drain and then shutoff. I then recharged to full and everything seems to be fine again.
The first time it ever started happening was right after I had wiped the battery cache and rebooted. Ive stopped doing that now, but it still happens. I notice now that I usuallly experience this after a series of reboots. Not sure whats up, but draining the battery to zero helped out last night. We'll see in a day or two if it starts happening again.

MrLoompa said:
I was having the same issue with my battery meter sticking. The same time this happens, my Setcpu app also was sticking and would full throttle the cpu. Im running the VirusRom right now, but have experienced this problem on a few of the other Roms also. My usual fix was just wipe everything and go with new install. It started happening again last night and I followed some posters advice to let the battery totally drain and then shutoff. I then recharged to full and everything seems to be fine again.
The first time it ever started happening was right after I had wiped the battery cache and rebooted. Ive stopped doing that now, but it still happens. I notice now that I usuallly experience this after a series of reboots. Not sure whats up, but draining the battery to zero helped out last night. We'll see in a day or two if it starts happening again.
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Im actually done with ROMs until CM7 is ready. Im just going with a base rooted system and Ill use a custom kernel. Kernel is 99% of the improvement anyway.

Draining works for a day or so, then it does the same thing. I'm stock and it does it. It also does it with the stock battery. Hope they get it fixed with an update.
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Mine actually just stopped working... was working for a week or so and today its just stuck on the same number until i reboot. Pretty annoying.

Bump - anyone find a solution to this? I tried running my extended battery to 0% last night and fully charging it... guess ill see if its fixed today. Pulling it off the charger, it already dropped to 95% lol...

psufan5 said:
Bump - anyone find a solution to this? I tried running my extended battery to 0% last night and fully charging it... guess ill see if its fixed today. Pulling it off the charger, it already dropped to 95% lol...
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That's because of how it charges not foot into details but that will always happen up to a 10% drop.
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miketoasty said:
That's because of how it charges not foot into details but that will always happen up to a 10% drop.
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Right but my problem was/is the meter never changing. I think I fixed it by completely draining the battery and charging to full. Maybe the phone didnt know how much juice it had because of the different size battery.

yeah i changed to the stock battery last night and it would read fine but i really need this extended
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psufan5 said:
Bump - anyone find a solution to this? I tried running my extended battery to 0% last night and fully charging it... guess ill see if its fixed today. Pulling it off the charger, it already dropped to 95% lol...
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I cant even get the battery to drop without rebooting....weird
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Battery drain -help

I turn my g2x off when I go to bed, the battery is fully charged and 8 hours later when I turn it back on the battery is allmost empty !what is wrong here?
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klauspabst said:
I turn my g2x off when I go to bed, the battery is fully charged and 8 hours later when I turn it back on the battery is allmost empty !what is wrong here?
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Need more info.
Rooted?
ROM?
Proper wipes?

Sorry your right!
Not rooted
2.3.3
ADW launcher ex
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what kernel u running on?

Quite possibly a bad battery. Your battery shouldn't drain when the phone is off.
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Does it drain when the battery is removed from the phone?
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you should download a cm7 nightly my battery lasted from 10pm - 9am with 30% than i put it to charge

You can either do a factory reset or NVFlash CWM and flash a ROM to see if that fixes things. If not, then defective battery.

What these guys are saying is most likely, especially with that kind of drain. But also make sure you don't have any crummy apps, it apps that run when your phones off. Ex. Some weather apps run in the background and draindrain
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You guys. He said that his phone was OFF while the battery lost its juice. It has NOTHING to do with what ROM, KERNEL etc etc he is using. Now for the op; simply just get a new battery and check if the problem persists.
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Haha, yea. Read to fast, selective reader I guess. Thought I saw 'screen off' =)
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Try the same test with the battery completely removed.
If it doesn't drain that fast - Then the phone is not shutting down properly, and most likely is the result of a nasty app.
If it does still drain that fast - Then the battery is probably faulty.

barqers said:
Try the same test with the battery completely removed.
If it doesn't drain that fast - Then the phone is not shutting down properly, and most likely is the result of a nasty app.
If it does still drain that fast - Then the battery is probably faulty.
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What could be a bad app?
I read above a wheather app, any other idea what I can.look at? Had the battery out over night and no drain!
Oh and thank you guys for all your help!
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klauspabst said:
What could be a bad app?
I read above a wheather app, any other idea what I can.look at? Had the battery out over night and no drain!
Oh and thank you guys for all your help!
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In your original post when you said you turn the phone off at night, you do mean actually turning it off right? Like shutting it down and not just turning the screen off, right? Just making sure we're all on the same page. If the phone is powered down then it can't be an app because apps can only run when you're booted into Android.
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Yes I am powering it down!
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klauspabst said:
What could be a bad app?
I read above a wheather app, any other idea what I can.look at? Had the battery out over night and no drain!
Oh and thank you guys for all your help!
Sent from my LG-P999 using Tapatalk
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I would try to eliminate apps one by one. Freezing them with titanium backup or using better battery stats to see which apps have a lot of wakelocks. I had the same issue before.
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klauspabst said:
Yes I am powering it down!
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Then its the battery. I had the problem with my g1. I would load the maps and use gps. It would say my battery is around 70% then after like 5mins the phone would get hot and then it would say i was at 30% or lower. Swap out for a new battery and it didnt do that anymore.
My g2x is kinda doing the same thing. But its a little slower. I turn the phone on in the morning 100% battery. Then use it for about an hr. (95-80%battery) put it in my pocket. Then about 2hrs later it at 40-35%. And the phone feels warm.
Also check your battery to see if it had a lump on it. If so then its a bad battery and needs to be replaced asap.
I ordered a replacement on ebay should be here by next weekend. Only $4

xile6 said:
Then its the battery. I had the problem with my g1. I would load the maps and use gps. It would say my battery is around 70% then after like 5mins the phone would get hot and then it would say i was at 30% or lower. Swap out for a new battery and it didnt do that anymore.
My g2x is kinda doing the same thing. But its a little slower. I turn the phone on in the morning 100% battery. Then use it for about an hr. (95-80%battery) put it in my pocket. Then about 2hrs later it at 40-35%. And the phone feels warm.
Also check your battery to see if it had a lump on it. If so then its a bad battery and needs to be replaced asap.
I ordered a replacement on ebay should be here by next weekend. Only $4
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I don't think its the battery in this case.
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I had a problem like this and still do at times. Part of it was the stock kernel I was running and the other part was the fact that the phone was not fully going into the low power state it was supposed to. I now only loose about 5 to 7% in the worst cases. That is better than the 20 to 30% I was loosing before.

losing battery very quickly

Hey guys for some reason no matter what from and especially on Zeus I lose alot of battery on standby even in the miui 2.3.9 which is supposed to use alot less battery usually i keep wifi on even on standby and in one hour i lost 8% I have flashed different Roms numerous times and still keep on losing alit of battery on standby and when I do use the internet on wifi it drains around 1% every 3 min or less
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nman123 said:
Hey guys for some reason no matter what from and especially on Zeus I lose alot of battery on standby even in the miui 2.3.9 which is supposed to use alot less battery usually i keep wifi on even on standby and in one hour i lost 8% I have flashed different Roms numerous times and still keep on losing alit of battery on standby and when I do use the internet on wifi it drains around 1% every 3 min or less
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http://forum.xda-developers.com/showthread.php?t=1510745
[Tips & Tricks] Battery Power Saving on Samsung Infuse
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I did look at that and I do what it says it still drains fairly quick
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nman123 said:
I did look at that and I do what it says it still drains fairly quick
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Have you tried a different rom? That one should have pretty good battery life though. If you are doing EVERY single thing that, that thread suggests.. you should be able to have your battery last for a week.. He takes it to the extreme. VERY well done though.
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nman123 said:
I did look at that and I do what it says it still drains fairly quick
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you may have a bad flash...occasionally a reflash may fix it if you haven't tried.
with zeus, i don't recommend any other external cwm flash tweaks if you tried them

Maybe you gotta bum battery.
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does the ics theme have anything to do with the bad battery life?

You seem to be the only one having this problem and if it's when you try other roms as well then it's probably a hardware issue.
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Flash other modem, sometimes it help a lot.

[Q] Display using battery [solved?]

Has anyone ever heard of an instance where the display drains the battery while off? 4 hrs on battery, display using 54%, all others using 4% or less, and display off 85% of the time. 20% remaining.
Just curious. Probably gonna GR then reflash
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Your display is always going to use a large portion of battery. Being on battery for only 4 hours may be misleading. Let your phone run through most of the charge and check again.
As you continue to use it, other apps and services will contribute to battery drainage, in turn lowering the percentage of juice shown used by your display.
Im not trying to imply you are wrong. You may have an issue, and I could be way off base. Just something to think about.
Edit: I re-read your post. It ran through 80% of your battery in 4 hours with minimal use?
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Biohazard0289 said:
Your display is always going to use a large portion of battery. Being on battery for only 4 hours may be misleading. Let your phone run through most of the charge and check again.
As you continue to use it, other apps and services will contribute to battery drainage, in turn lowering the percentage of juice shown used by your display.
Im not trying to imply you are wrong. You may have an issue, and I could be way off base. Just something to think about.
Edit: I re-read your post. It ran through 80% of your battery in 4 hours with minimal use?
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Thanks. I was actually just seeing if this has ever happened to anyone before. There has to be something wrong. Just a one day fluke I guess cause today it seems to be going ok so far. I'm just gonna start from scratch and try again.
Tried to thank you for responding, but alas, I am limited to 8 per day. I'll get you tomorrow.

My display also drains a large portion of my battery, but never THAT much. Is your brightness really high at all times? If so, turn it down.
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This happens to me too
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Zombie138 said:
This happens to me too
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Your battery dies really fast while display is off?
The day I posted it was dying super fast. I have not changed anything and it seems to be better but still draining pretty fast. Running better batt stats app for a few days to see if I can catch what's doing it.
Someone in anton's kernel thread said that the first few charges went great but all of a sudden it's draining fast. This is what happened to me. I'll report back what I find out with the app.
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sunsurfer42 said:
Your battery dies really fast while display is off?
The day I posted it was dying super fast. I have not changed anything and it seems to be better but still draining pretty fast. Running better batt stats app for a few days to see if I can catch what's doing it.
Someone in anton's kernel thread said that the first few charges went great but all of a sudden it's draining fast. This is what happened to me. I'll report back what I find out with the app.
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Yup, it'll show that it's using 50% of display, even on days I don't really use my phone. I have better batt but can't seem to find out what's using it
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Zombie138 said:
Yup, it'll show that it's using 50% of display, even on days I don't really use my phone. I have better batt but can't seem to find out what's using it
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Seems to me that the phone is having a hard time going to sleep soon after use, wifi may be keeping it awake. i have wifi on all day while im at work and the awake time seems to be higher right when i get into work. doesnt sleep for the first few hours.

sunsurfer42 said:
Seems to me that the phone is having a hard time going to sleep soon after use, wifi may be keeping it awake. i have wifi on all day while im at work and the awake time seems to be higher right when i get into work. doesnt sleep for the first few hours.
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I don't use wifi and my brightness is low. It is a mystery lol
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