Database Users

Unhappy with your battery life? Fix is here!

Hi everyone,
I have had my Galaxy S for a month now, I have been very unhappy with my battery life, so I thought, I gotta to fix without compromising perfomance.
I found it!
My battery life during this 1 month period was utter crap, battery used drained from 100% in about 10-12 hours on average.
At the time I was running the latest FWs (I kept updating as the FWs came out) with Mimocans EXT4 fix.
I was with lowest brightness setting, running on 2G without any screen animations.
So heres the fix:
Install SetCPU 2.02, make sure to apply on boot, make the minimum speed 100mhz and the top 800mhz.
This ensures the phone doesn't ever go to 1ghz but that the performance is never compromised (even when playing games, videos, apps).
Because I have the Mimocans fix, everything is smooth and battery life goes down very slowly!
Heres the stats of my battery right now:
Battery Level 70%
21h 40m 25s secs since unplugged
Display 37%
Phone Idle 27%
Cell standby 21%
Voice calls 7%
Android System 4%
Internet 2%
Android OS 2%
You can give this guide a go, sorry if it doesn't work, just trying to help.
Regards,
Azazin!

azazin said:
Hi everyone,
I have had my Galaxy S for a month now, I have been very unhappy with my battery life, so I thought, I gotta to fix without compromising perfomance.
I found it!
My battery life during this 1 month period was utter crap, battery used drained from 100% in about 10-12 hours on average.
At the time I was running the latest FWs (I kept updating as the FWs came out) with Mimocans EXT4 fix.
I was with lowest brightness setting, running on 2G without any screen animations.
So heres the fix:
Install SetCPU 2.02, make sure to apply on boot, make the minimum speed 100mhz and the top 800mhz.
This ensures the phone doesn't ever go to 1ghz but that the performance is never compromised (even when playing games, videos, apps).
Because I have the Mimocans fix, everything is smooth and battery life goes down very slowly!
Heres the stats of my battery right now:
Battery Level 70%
21h 40m 25s secs since unplugged
Display 37%
Phone Idle 27%
Cell standby 21%
Voice calls 7%
Android System 4%
Internet 2%
Android OS 2%
You can give this guide a go, sorry if it doesn't work, just trying to help.
Regards,
Azazin!
Click to expand...
Click to collapse
Please update with display time, phone idle time, standby time and voice call time. Without it these are a bit useless, these don't seem far from my stats when I use the display for +/- 1 hour.

alovell83 said:
Please update with display time, phone idle time, standby time and voice call time. Without it these are a bit useless, these don't seem far from my stats when I use the display for +/- 1 hour.
Click to expand...
Click to collapse
I have the percentages up in the OP.
This guide isn't just for turning crap battery life to good, it's also for people to extend their battery life if they already have a decent one.
Following the underclock to 800mhz my phone can last this long, compared to before when it used to last 10-12 hours with same usage!

azazin said:
I have the percentages up in the OP.
This guide isn't just for turning crap battery life to good, it's also for people to extend their battery life if they already have a decent one.
Following the underclock to 800mhz my phone can last this long, compared to before when it used to last 10-12 hours with same usage!
Click to expand...
Click to collapse
The percentages stand out, thanks, I saw them. Again, they are a bit meaningless without the time used. If you don't use your phone for 24 hours you should lose maybe 5% with sync off.
So, please, click on "display" and report the time that the display has been on, repeat for the other usage categories, other people will ask for this same information. I don't know if you didn't know how to do that or if you are witholding the information, hopefully it's just the former. I understand that, perhaps, you are doubling your battery life, but depending on the way we use our phones, relative to the way you use your phone we can see better or worse results. Doing this will allow us to know how much you use your phone and for what purpose, so we can make personal judgments about its merits to our usage.
TIA

This may fix the issue but it's merely a patch to cover up the wound. From my experiments I've found that in most cases the problems are related to the phone never entering sleep-mode. If you have bad battery life, please do the following:
0. Make sure you phone has been running on battery power for a while, usually a day with only 20% battery left is a good place.
1. Type *#*#4636#*#*
2. Go to Battery History
3. Other usage and "Since last unplugged"
4. Check the "Running" bar. Generally, if this is over 60% something is wrong.
5. Go to partial wake
6. Check if there's some application (e.g. Facebook) that has a high partial wake percentage. This is bad. System should be on top on most systems.
So, do you have the signs of something being wrong? Fear not! Usually this is due to a program or service misbehaving. I had bismal battery life (about 15 hours, just check the other thread for several of my posts), and then I uninstalled "Weather from Yr". I also let my phone discharge completely, then charge TURNED OFF over night. I then disabled auto brightness and "power saving" in the display. Yes, I disabled the power saving feature, and my battery life went sky high. Now I have about 2 days of moderate use (1h 30 min on) and about 1 day with heavy use. Letting any application run while the screen is off using partial wake KILLS my battery.
Unfortunatley, I didn't follow proper scientific approach when conducting my experiments, so I can't say which of the three things (uninstall weather from yr, complete discharge/charge cycle or turning off power saving) that did it for me, but it's worth a shot if you haven't rooted your phone. Post back with results.

alovell83 said:
The percentages stand out, thanks, I saw them. Again, they are a bit meaningless without the time used. If you don't use your phone for 24 hours you should lose maybe 5% with sync off.
So, please, click on "display" and report the time that the display has been on, repeat for the other usage categories, other people will ask for this same information. I don't know if you didn't know how to do that or if you are witholding the information, hopefully it's just the former. I understand that, perhaps, you are doubling your battery life, but depending on the way we use our phones, relative to the way you use your phone we can see better or worse results. Doing this will allow us to know how much you use your phone and for what purpose, so we can make personal judgments about its merits to our usage.
TIA
Click to expand...
Click to collapse
Hi,
Oh okay lol, no problem.
Display: 1h 22m 8s.
Phone idle: 20h 51m 22s
Cell standby: 12h 12m 52s
It doesn't look like I have used it much but during the time the display has been on, I have either been:
Playing games,
Texting,
Twitter,
Or Internet.
It doesn't look like much, but I recommend you try this and post results before and after

dagingaa said:
This may fix the issue but it's merely a patch to cover up the wound. From my experiments I've found that in most cases the problems are related to the phone never entering sleep-mode. If you have bad battery life, please do the following:
0. Make sure you phone has been running on battery power for a while, usually a day with only 20% battery left is a good place.
1. Type *#*#4636#*#*
2. Go to Battery History
3. Other usage and "Since last unplugged"
4. Check the "Running" bar. Generally, if this is over 60% something is wrong.
5. Go to partial wake
6. Check if there's some application (e.g. Facebook) that has a high partial wake percentage. This is bad. System should be on top on most systems.
So, do you have the signs of something being wrong? Fear not! Usually this is due to a program or service misbehaving. I had bismal battery life (about 15 hours, just check the other thread for several of my posts), and then I uninstalled "Weather from Yr". I also let my phone discharge completely, then charge TURNED OFF over night. I then disabled auto brightness and "power saving" in the display. Yes, I disabled the power saving feature, and my battery life went sky high. Now I have about 2 days of moderate use (1h 30 min on) and about 1 day with heavy use. Letting any application run while the screen is off using partial wake KILLS my battery.
Unfortunatley, I didn't follow proper scientific approach when conducting my experiments, so I can't say which of the three things (uninstall weather from yr, complete discharge/charge cycle or turning off power saving) that did it for me, but it's worth a shot if you haven't rooted your phone. Post back with results.
Click to expand...
Click to collapse
2 things:
1) the phone number thing is pretty cool, in the past I've used "Spare Parts" for identical and a bit more information. I encourage people to use one or the other.
2) You can still fix the unscientific nature of your experiment by a factor of 1/3. You can turn power saving back on, and I'll try it. Also, I'll assume that 1 charge wouldn't make a world of difference, so I think that could've added a few minutes to your phone life (more than charging with the phone on) but maybe someone with actual technical knowledge can chime in.
As for any program running in the background, I had a similar situation where I was going from losing about 30% in a day, similar to the OP, while using the phone, and hence the display, for about an hour at work. I also, always preferred to leave the phone off the charger overnight, so I'd have been unplugged for 16+ hours. One day I allowed 3 things to run to check both battery and 3G usage (I have 500mb per month until I decide to change my plan, probably waiting for the new deal thats been announced for unlimited data for an extra 10 bucks sometime this month). So, I ran:
Sync
3G data monitor (To test if I would go over what I'd use too much data from my allotment, refresh every 30 mins IIRC)
ATK (to kill tasks, hoping they'd use less of my precious bandwidth)
This 2 tasks plus sync just CRUSHED my battery, by the first time I turned on the screen I saw more than 50% drain from my battery, probably around lunchtime (probably 3.5 hours from the start of work). I turned off all 3 and, like you, I haven't conducted a scientific experiment since.

I tried something similar with overclock widget, but I had the impression that underclocking made the SGS really unstable. It freezed completely like 3-4 times a day. After uninstalling overclockwidget the device didn't crash anymore.
So how are the longterm effects (say, 1 week) of setcpu?

If anything I'd OC my phone, not the other way around.

XQC said:
I tried something similar with overclock widget, but I had the impression that underclocking made the SGS really unstable. It freezed completely like 3-4 times a day. After uninstalling overclockwidget the device didn't crash anymore.
So how are the longterm effects (say, 1 week) of setcpu?
Click to expand...
Click to collapse
The software probably isn't optimized for your usage scenario, I don't think an underclock, if done right, should be that bad, OC on the other hand...
ShezUK said:
If anything I'd OC my phone, not the other way around.
Click to expand...
Click to collapse
I'm in the same boat, screen uses 80%+ of battery when the screen is on, as long as I'm not wasting battery when the screen is off and processes aren't running I have excess battery life, not to mention a spare battery, which I'd like to get more use out of if I could better my experience.

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crap battery life
---------- Post added at 04:24 PM ---------- Previous post was at 04:22 PM ----------
crap battery life

Loving the 1500 Battery

Now that I am not constantly on it, heres my typical usage. It's currently at 27 percent.
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Could too enlighten me further what exactly is the 1500 battery?
Pooped from my Samsung Vibrant using XDA app...
Dont mind the skidmarks...

^ the stock battery is 1500...

Indeed I've gone overnight without a charge and heavy usage the next day and still wasn't 1/2 way depleted. I think the Super AMOLED has a lot to do with the awesome battery life.

envaderx said:
Indeed I've gone overnight without a charge and heavy usage the next day and still wasn't 1/2 way depleted. I think the Super AMOLED has a lot to do with the awesome battery life.
Click to expand...
Click to collapse
"HEAVY usage" is relevant. I've had my Vibrant for 3 days and the battery is unimpressive to say the least. Hopefully, it will improve.

I am not sure what you have to do to prolong the battery life besides not doing anyhting, i.e. I was in the woods this weekend with no service at all, kept the phone in flight mode, used it to snap 3 pictures and 3 vids no more than 1 min each - the result is impressive - unplugged the phone at 7:30AM and by 4PM I had 70% left. Woohoo, I guess, the phone did nothing for 8.5 hours and only drained 30%.

I unplug my phone everyday around 6am and as of now, which is 7hours later I'm sitting at 92%.
What have I done on it as of today? 4 phone calls, 3 emails, took some photos.
Things I don't do all day.
Watch avatar over and over, let it idle on 3G for no reason, let it idle on wifi for no reason, turn off auto brightness.
I do have a regular schedule of charging.
I plug it in around 11pm turned off
I turn on my phone around 540am and leave it on the charger. I'm always greeted with the Its full unplug message around 6am.

how come your display use is only 8 percent mine is like 74 percent even tho i have it set on the lowest possible......

flameinthefire said:
how come your display use is only 8 percent mine is like 74 percent even tho i have it set on the lowest possible......
Click to expand...
Click to collapse
Thats saying out of all that time his phone has been on, his screen has been on 8% of the time.
If you use your screen a lot the number will be higher and I'm sure the more battery that would be used.

Great results so long as you don't need any network access for email accounts to work. That's not really an option for a lot of people. I have to have either 3G or WiFi on at all times to receive emails. SMS messages will come in over GSM so if that is what you do rather than email than you can turn off WiFi and 3G and still do texting.

Email works just fine over 2G (EDGE). I've found that setting it to 2G-only while keeping WiFi enabled (setting to stay on during standby) if in one location for a long time works better than keeping 3G enabled.

YMark said:
"HEAVY usage" is relevant. I've had my Vibrant for 3 days and the battery is unimpressive to say the least. Hopefully, it will improve.
Click to expand...
Click to collapse
What is your build date? Find manufacturer date on box or inside phone.

I get good battery life... only gone down 1% since I unplugged it from being fully charged in 30 minutes with the display usage at 84% with GPS on.

KerryG said:
Great results so long as you don't need any network access for email accounts to work. That's not really an option for a lot of people. I have to have either 3G or WiFi on at all times to receive emails. SMS messages will come in over GSM so if that is what you do rather than email than you can turn off WiFi and 3G and still do texting.
Click to expand...
Click to collapse
yeah, tomorrow, i'll try to leave wifi and 3g on all day and come back with the result.

Checked my standby draining today. Lost 10% in 7 hours and 10 min. Look good, no ?
This is with: Google account sync calendar and contacts, push exchange email, 3g, auto sync
Must add that Tasker is also running and set to check everything to 30 min intervals

I have owned this phone since day one and am convinced that wifi is the biggest battery killer for me. I unplug it at 730am in the morning listen to live stream podcasts on the way to work and back (35 min commute). Make a few calls and texts, check all my normal websites on my breaks and when I get home at 630, I still have about 60%. In the settings I leave gps off and wifi on so when I get home its automatically on. By 930 the phone is at 15% so I am convinced its the wifi.
Having a screen this nice is worth the mediocre battery life, its actually better than my g1's battery life, so I am happy.

2800 Mah batteries on the way...
http://cgi.ebay.com/Samsung-Vibrant...00-mah-5-off-/130424331592?pt=PDA_Accessories

kizer said:
Thats saying out of all that time his phone has been on, his screen has been on 8% of the time.
If you use your screen a lot the number will be higher and I'm sure the more battery that would be used.
Click to expand...
Click to collapse
I'm not sure, I think it means of all the battery that has been used, 8% of it went to the screen. I would also like to know how you got that fantastic number! I usually have my brightness on minimum since I mostly use it indoors, and the screen is by far the largest consumer of battery power, even on days where I mostly listened to music (local, not net streaming) with the screen off...

I'm definitely getting better battery life out of this than my previous smart phones. Currently at 55% 1d20h unplugged. Light use, but still.

Bad battery life after 107 update

Just like the title says. I have checked all my settins syncs which programs are running in the background and so forth.. so im sure its not that..
Anyways here goes.
Before the update I could get about 12-14 hrs of use out of a full battery charge, however after this update I can only get about 5-7 hrs out of a charge.. Nothing had changed.. my usage is the same, my wifi,bluetooth,gps,4g are all off. I don't have any programs syncing or updating in the background.. So i have NO CLUE as to why my battery life cut in half after this update.

I already posted this elsewhere......my battery life was really great before this update.
Same exact settings now as before, plus the phone was reloaded to factory settings by the Sprint store first as I was having some other issues...email not coming through timely, cell signal falling and dropping calls, etc.
My battery life is now 1/2 of what it was prior to the D107 update.

I would say wait and see. When I would flash roms on my HTC phone the battery would die quickly for awhile. After 2-3 full charges it would go back to normal.

Check Cell Standby in battery status. See if Time without signal is 50% or more.

Cell standby is 18% and time without signal is 7%

My time without signal is only 2% So I'm not sure what is going on to make my battery life soo bad.

i got 9 hours today with decent usage where before if say 12 or so ... since the update my time without signal is in the 30-50% range on average & it was 3-4% before .. im a little frustrated on that & i know its taxin the battery a little so . . .

my update has really screwed my battery life. I notice too that Juice Defender keeps reading at 1.00x instead of 1.6-1.8 before the update. I also notice my TWS was at 50-52%. I tried the Airplane mode toggle and it didn't do ****. I really love this phone, but i'm about to return it and try another before my 30 days is up.
So far, i'm concerned with:
back button is not consistent (works sometimes sometimes it sucks)
TWS over 50% of battery consumption.
upgrade made juicedefender not work
little wobble in the phone but not too bad
scratched screen just from rivet in jeans
AND pissed about the tv out that sprint omitted

jemarent said:
my update has really screwed my battery life. I notice too that Juice Defender keeps reading at 1.00x instead of 1.6-1.8 before the update. I also notice my TWS was at 50-52%. I tried the Airplane mode toggle and it didn't do ****. I really love this phone, but i'm about to return it and try another before my 30 days is up.
So far, i'm concerned with:
back button is not consistent (works sometimes sometimes it sucks)
TWS over 50% of battery consumption.
upgrade made juicedefender not work
little wobble in the phone but not too bad
scratched screen just from rivet in jeans
AND pissed about the tv out that sprint omitted
Click to expand...
Click to collapse
The back button is a defect in an early batch of phones.. If you swap it, you will probably get a working model..
My email app didn't sync after the update, so I had to reinstall Roadsync. It might be the same thing with JuiceDefender.

My battery is getting much better. Not sure if it is the galaxy rom, the update or my battery is just getting conditioned better. I unplugged my phone this morning and have been on it constantly web browsing, music, 4g, 3g, lots of tapatalk use. 36% left and just approaching 4hrs of being unplugged.
Sent from my SPH-D700 using Tapatalk

How do you roll back this update.
Sent from my Samsung Epic 4g using XDA App

after i re-flashed and updated, ive experienced big drops from the 90% zone to like 75% in a short amount of time but then the decrease stays pretty slow.
im using adv task killer on maximum and juice defender
this combo works pretty well for me, i cant explain the 25% loss. I think my battery still needs calibration, but i get around 14-18 hours normally.

I've noticed the increased battery drain also. I've been tracking it the past couple days with Spare Parts. If you open Spare Parts, click on Battery history. If your phone is running like mine is right now, the Running time is at almost 100%. That means that something is preventing it from sleeping. Next, click the tab that says "other usage", and change it to "Partial wake usage". Mine is showing that Android System is the culprit, causing the partial wake lock. It was not doing this before the DI07 update. I did a factory reset this morning and the only app I installed was Spare Parts, just to make sure it wasn't an app I was using. I get the same results on a fresh clean ROM as I do using noobnl's ROM. NOT COOL!

Well my full run through of the battery is over. I've turned a new leaf about the battery on this. I'm keeping the Epic.
Conditions: Was at zero brightness for about 4hrs of this. Set it to 0 after getting to work. You can see the screen perfectly fine at 0 indoors. (30 minute ride)
GPS - Off except the couple times I checked out google earth
Sync - full manual syncing / with background data on to use the market
Usage: Heavy heavy usage for all but 20 minutes. Total time with screen actually on was about 4 1/2 hours. Lots of tapatalk use, streamed about 20 minutes of CNN via Slingplayer, Streamed about 10 minutes worth of music via last FM. Dolphin browser usage. About an hour of total usage was over 4G
No task managers (well Androids but that doesn't count), no juice defender.
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After all that it has been sitting at 3% for 20 minutes (after taking the ss) with no usage as I wait for it to finally die and write this post. Just over 5hrs straight of near pure 3g/4g data usage over various applications and multimedia is perfectly acceptable to me. This is WAY longer than the average consumer laptop would get under similar usage w/ an aircard.
If I didn't use the phone like a miniature laptop so heavily and just kept it to normal use and some phone calls with auto brightness on I'd guesstimate I'd easily get 10 hours or so if not a lot longer out of it.
Running: Andromeda Galaxy Rom 1.0.3

the reason your getting bad battery life is because it reset all your battery stats. it's going to take a couple days til your battery life gets better. try the bump charging method.

Battery problem

I know the battery life is not the best on this phone, but today my battery died very quick.
I fully charged it in the night, than unplugged my phone at around 12:30 AM when 100%, then I used my phone to some calls at 9:30 AM.
When I checked my phone at that time, the battery was down to just 51%
I just have a normal Wallpaper, Bluetooth and GPS turned off and only used the phone for less than 15 mins top since being fully charged, how did all the battery die on me ?
Android Version 2.3.3
Kernel Version 2.6.35.7
Build# VillainROM 1.1
Please need help ..

iGarni said:
I know the battery life is not the best on this phone, but today my battery died very quick.
I fully charged it in the night, than unplugged my phone at around 12:30 AM when 100%, then I used my phone to some calls at 9:30 AM.
When I checked my phone at that time, the battery was down to just 51%
I just have a normal Wallpaper, Bluetooth and GPS turned off and only used the phone for less than 15 mins top since being fully charged, how did all the battery die on me ?
Android Version 2.3.3
Kernel Version 2.6.35.7
Build# VillainROM 1.1
Please need help ..
Click to expand...
Click to collapse
Did you install the stock XWKE7 kernel like it says in the OP in large red writing (IIRC). You could also install the XWKE7 CF-Root package

Hmmmm .. Actually I have the "XWKDD" I'll try "XWKE7" then give you my feedback after testing it for couple of days.
Thanks ..

OK .. here's the thing, I fill up the battery at 11:00 AM with 100%.
I made 2 calls at 11:33 & 11:44 AM for several minutes.
I record several videos for several minutes in HD & take some photos as well. By the way the wifi, data network, GPS and bluetooth are off. It's also in auto brightness.
At 07:44 PM the battery reached 77%.
At 12:00 AM next day I surf the market with wifi for 30 min and left the wifi on with no apps running in the background. At 12:00 PM the battery was died.
In the other hand, the iPhone 3G with the same settings in the same time when the GS2 is died the battery was 45%. The old iPhone 3G completed a day and a half.
So, what do you think ?

iGarni said:
OK .. here's the thing, I fill up the battery at 11:00 AM with 100%.
I made 2 calls at 11:33 & 11:44 AM for several minutes.
I record several videos for several minutes in HD & take some photos as well. By the way the wifi, data network, GPS and bluetooth are off. It's also in auto brightness.
At 07:44 PM the battery reached 77%.
At 12:00 AM next day I surf the market with wifi for 30 min and left the wifi on with no apps running in the background. At 12:00 PM the battery was died.
In the other hand, the iPhone 3G with the same settings in the same time when the GS2 is died the battery was 45%. The old iPhone 3G completed a day and a half.
So, what do you think ?
Click to expand...
Click to collapse
smaller screen, different technology, less pixels. The iphone doesn't do multitasking. It also doesn't power 2 x 1.2ghz processors. It powers a (I think?) 400 mhz. Those are some starters

Could you post a screenshot of your battery stats?
Settings - about phone - battery usage
Sent from my GT-I9100 using XDA Premium App

zkyevolved said:
smaller screen, different technology, less pixels. The iphone doesn't do multitasking. It also doesn't power 2 x 1.2ghz processors. It powers a (I think?) 400 mhz. Those are some starters
Click to expand...
Click to collapse
Hmmm .. reasonable. BUT, still most of the reviews say that the battery can reache 12 hours in heavy duty.

Chronicles404 said:
Could you post a screenshot of your battery stats?
Settings - about phone - battery usage
Sent from my GT-I9100 using XDA Premium App
Click to expand...
Click to collapse
something weird this time ?? first time the battery usage looks different.
Will, The problem (for me) is not just today.
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Please re-post a screenshot of the apps usage in stead of the graph!
I have recently fixed my battery issue. I was getting aound 8 hour the first 3 weeks. But after freezing a single process "wifi sharing" I am now getting 20 hours. My usage is the same. This wifi sharing process would run even when wifi was turned off and also on all the current firmwares. I've spend the last two weeks testing all kinds of things, taken thousands of screenshots on the way.
Let me know if you need more details.
/m

mega999 said:
Please re-post a screenshot of the apps usage in stead of the graph!
I have recently fixed my battery issue. I was getting aound 8 hour the first 3 weeks. But after freezing a single process "wifi sharing" I am now getting 20 hours. My usage is the same. This wifi sharing process would run even when wifi was turned off and also on all the current firmwares. I've spend the last two weeks testing all kinds of things, taken thousands of screenshots on the way.
Let me know if you need more details.
/m
Click to expand...
Click to collapse
Wow that is great news ! I will try!
And please give us more details.
Anyone with the battary problem (many here) tryd to replace the battery with another one yet ?
Pls report in a new thread or here!

mega999 said:
Please re-post a screenshot of the apps usage in stead of the graph!
I have recently fixed my battery issue. I was getting aound 8 hour the first 3 weeks. But after freezing a single process "wifi sharing" I am now getting 20 hours. My usage is the same. This wifi sharing process would run even when wifi was turned off and also on all the current firmwares. I've spend the last two weeks testing all kinds of things, taken thousands of screenshots on the way.
Let me know if you need more details.
/m
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Click to collapse
I tried to freeze the "wifi sharing" through Titanium Backup but it need the Pro version is there another way to freeze it ??

My drain, with latitude.

I really can't understand all this complaints about battery. Here is a shot of my stat. I didn't use the phone too hard in this period, but it usualy can stay for almost 2 days with 1 charge. I never rooted the phone.

Normal you don't have the problem, your phone isn't awake, how do you setup your phone (wifi, sync, etc)?

Well, I just made wifi to turn off in idle. Bluetooth and GPS are on all the time, sync with google account (no idea how often it do the sync), weather refresh is every 2 hours. Mail accounts are setted to manual sync. No facebook at all. KE7 firmware.

Manual Sync may be the key, i'll try.

Any ideas why my battery suddenly dropped like this and then even started increasing without charging the phone ? lol

ChesterZZ said:
Any ideas why my battery suddenly dropped like this and then even started increasing without charging the phone ? lol
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Click to collapse
damn thanks button next to the quote button ;D
discharge ur phone til it shut down once to calibrate (just once) then charge full

I'm going back to the stock ROM and test it. If it's drain my battery as will as the Villain ROM (hopefully not) that means either the Samsung ROM or my battery has a problem.

3% battery drain

I just checked my note drains battery @3% per 5 hour. is it normal.?
i just locked my device n when i checked it was 3% down.. n in cpyspy it says phone was in deep sleep mode all the time.

3% in 5 hours? thats normal drain, what you expecting to have ?

dont know i read somewhere in note forum someone was getting 1% for 8hours. thats why i was asking.
BTW i am on rocket rom v22.

So you thinking your note should last 2 weeks without charging?
3% per 5 hour is super
1% per 8hours sounds unbelievable to me, unless you keep your phone off

Its normal bro. Don't worry, it would not drain your battery that really much in a day. I'm surfing the webs a lot in a day and my batt still not giving up to be drained out to zero
Sent from my GT-N7000

Are you connected to a wireless network?

SayWhat10 said:
So you thinking your note should last 2 weeks without charging?
3% per 5 hour is super
1% per 8hours sounds unbelievable to me, unless you keep your phone off
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It sounded unbelievable to me too...until last night that is. It was at 100% just before I went to bed and dropped 1% in over 8 hours. Thats 34 days on standby!!
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sent from my galaxy note using tapatalk

If you want to know it exactly, what's going on with your battery: Go to Market and install "Battery Monitor Widget" from 3C. This is a widget which shows every 60 seconds the actual drain. But more importently is the logging-function, called "history". I set mine to update every 60 seconds to get a good idea which thing consums what...
F.e. I got my Note yesterday and put it in flight mode over night. This morning I looked at the history and got a stable 7mA drain - not bad for a 1,4GHz DualCore...
For changing the update-rate of history:
-tab widget
-left sensor --> settings
-history
-update rate history --> 60 seconds
(I don't know the exact names cause I have the german version)

Sounds about right. Mine dropped 3% in 6 hours or so.
Sent from my GT-N7000 using xda premium

I consistently get 1% down throught the night which is like 7 hours. During this time, Cellular data is off, wifi is off, AGPS is off. And after Note has been up for few days, sometimes it will get down by 10% through night due to rouse battery hungry app stuck in memory. Memory clear helps and it is back to regular next night and sometimes I have to reboot. The longest I can go without reboot is like 10 days by then something real battery hungry app is stuck somewhere.
Now I am using app called Tasker which is set to speak battery percentage for every change in unit, I get 3% down through night.

how do you guys avoid touching your Note for so long? i can't put mine down

Being asleep I guess ;-)

ok, if you have your radio turned off, and wifi turned off, and screen turned off, your note can last a couple/few days on standy
I misread, i thought the OP was actually USING his phone and the % only dropped like 1% in 8 hours or 3% in 5 hours which of course would be SUPER
but for me even when im sleep i leave wifi on
i could save more juice by not having the wifi on yeah sure

I have my phone drop into 'phone only' mode at 20% battery. From that point, the amount of battery use is negligible. I believe all the hype about 'standby time' now. I think it could last a week at least like that from a full charge.
The fact is it is good at conserving battery until you use the other features. Then it drains like crazy in comparison.
So to get great battery life:
Turn off WiFi
Turn off mobile data
Turn off auto-sync
Turn screen to 1% (I find 0% turns the screen off!)
Turn off GPS
Turn off bluetooth
Kill all unused apps & services
Turn the screen off.
Or, you could buy a 'dumb' phone, of course! That is effectively what you are doing by this.

Unlike Symbian where app is authorized to initiate said connection (wifi/cellular), it was possible to keep apps like email/fbook poll every 10/15 minutes. In Android, the design is such that apps don't initiate connection.
So during weekend days when email is not utmost important, I use Tasker to turn wifi/cellular/sync on every 15 minutes for short interval of time. This saves a lot of battery drain. But obviously suitable when you do not need to be on the edge of info highway.

Morning!
Second start of the day: 4mA drain in flightmode, 56mA on standby with WiFi on.
And after a full day of playing arround (no games) and getting used to the Note yesterday the battery was still at 50%...
Ah yeah, some more values:
Bluetooth on, doing nothing: 51mA (so it adds nothing more to the standard standby drain)
Bluetooth + Headset, doing nothing: 102mA

jeromepearce said:
I have my phone drop into 'phone only' mode at 20% battery. From that point, the amount of battery use is negligible. I believe all the hype about 'standby time' now. I think it could last a week at least like that from a full charge.
The fact is it is good at conserving battery until you use the other features. Then it drains like crazy in comparison.
So to get great battery life:
Turn off WiFi
Turn off mobile data
Turn off auto-sync
Turn screen to 1% (I find 0% turns the screen off!)
Turn off GPS
Turn off bluetooth
Kill all unused apps & services
Turn the screen off.
Or, you could buy a 'dumb' phone, of course! That is effectively what you are doing by this.
Click to expand...
Click to collapse
I'm certain the Note could do a week on standby.
Doing the things you mention above, I once managed to get my Dell Streak to last for 5 days after I left my charger at my girlfriend's house. The battery was already down to 50% when I left her house, so it lasted 5 days on half a battery!
I think the battery life on my Note is about 25% better than my Streak, so it could easily do a week...
You know, if you wanted it to I can't think of any reason you would want it to, other than being without a charger like I was.