Database Users

My Battery Life WOW! *Pic for Proof*

Using Myn's ROM with the Battery Tweak, I have FaceBook syncing and I have 2 gmail accounts syncing along with Weather every 3 hours, Facebook every 2 hours.
Nothing else as of now and using Itching Thumb App.
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I get that stock with fairly heavy usage.

now lets see that screen on time.

ronron23 said:
now lets see that screen on time.
Click to expand...
Click to collapse
Not needed. From the pic he attached it's obvious the phone was in standby most of the time.

Man, you even use ya phone?
What is with this obsession of battery life goin on 'round here? I say, as long as you can get better battery life than a stock rom, you've won. Keeping the phone on for a day or two without charging seems like a good idea, but everyday isn't the same, and one day you may need to use it way more than any other day..if you start that day off with only 30% just because you wanted to see how long your battery would last, then you really gotta limit how often you use your phone just so that it can make it till the next time your around a charger.

How do u check wake time?
Sent from my PC36100 using XDA App

I agree, but it want a heavy day. When I finally did have 14% left and used tv flash battery seasoned super fast. I forgot, I'm using juice defender too
Globetrahter

The battery needs to be charged? I bought my phone back in June. The battery is now at 70%. I figured I just had to buy a new one when this one runs out.

Barely used phone. Come on.

Display 4%? Is that possible?

I can go a full day and a half, 36 hours, without a charge and I am using the original sense android... and I use my phone normally, I text, read usatoday, tmz, check email a few times, use the xda app... and I have wifi on all the time! What's this beef with battery life on these forums? Mine lasts forever! I just have things update manually, I don't let anything run without my permission.
I do, however, turn my phone off the 6 hours I am sleeping.

wifi is on = low battery usage, atleast in my experience.

Indeed. I got 1 day and 19 hours on stock nonrooted 2.2 back. and i used it for some medium texting. and some gps applications...maybe 2-3 hours max awake time. i dont think you used it much...the excessive 3G usage from FB doesnt mean anything.

g0ldenchild562 said:
How do u check wake time?
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
You should be able to get what you're looking for from the Spare Parts app.

According to my calculation thats is 69min of display usage.

g0ldenchild562 said:
How do u check wake time?
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Menu > Settings > About Phone > Battery

drsiaca said:
According to my calculation thats is 69min of display usage.
Click to expand...
Click to collapse
According to mine, it's 122 min of screen on usage.
I had this scenario on my phone running myn's rls2 + king cfs #11 yesterday:
since unplugged - 24 hours
display on - 1 hour 25 minutes
charge remaining - 50%.

so i wanted to find out how long the battery would last on standby, and to my surprise.. it turned out to be nearly 58 hrs!!! that was on stock sense rom. non-rooted. and of course with very very minimal use. i basically just left the phone alone on my desk or in my pocket all day.
here is the screenshot i took back in july:
but that kind of battery life is unrealistic with normal usage. I am a moderate user (on the higher side), and i typically put my evo on charge everyday in the morning when i get to work (on weekdays). so, the charge on my phone lasts about 25 hrs with normal usage, that usually means about 4-5hrs of Awake Time. this is after rooting the phone. and i am using a stock rooted sense rom. i have had similar results before rooting the phone as well.
on weekends, i find myself charging the phone about 3 times (over 2 days), as the usage of the phone goes very very high.
i have a charger on my desk at work for the weekday charging, and a charger in my car for the weekends.
i have recently installed setCPU, and havent really seen that making too much of a difference, but that perhaps has to do with my usage pattern.
as pointed out in many a threads, signal strength is one major factor when it comes to battery drain. i live in Atlanta and i have great Sprint coverage where I am located, and that makes a world of difference.

Globetrahter said:
Using Myn's ROM with the Battery Tweak, I have FaceBook syncing and I have 2 gmail accounts syncing along with Weather every 3 hours, Facebook every 2 hours.
Nothing else as of now and using Itching Thumb App.
Click to expand...
Click to collapse
it would help if you indicate the battery life that you were getting on stock or any other rom you were using prior to this. because there are so many variables that come into play as far as battery life is concerned. so that will help put your claim into some perspective

GaryJ51 said:
The battery needs to be charged? I bought my phone back in June. The battery is now at 70%. I figured I just had to buy a new one when this one runs out.
Click to expand...
Click to collapse
hahah.. funny

I'm Getting Great Battery Life!

I installed OMGB-6 when it was released. Then flashed invisiblek #21 kernel and the new market. Since I last charged it, I've talked on it for about an hour, used the web-browser (Skyfire) fairly moderately, sent a few emails (Gmail), and spent a total of about an hour of GPS through the application WAZE. I'm left at 22% battery left after about 22 hours of use.
I've been fairly lazy with regards to changing the screen brightness, so it's been on about 50% brightness. I've left sync and gps on during the whole time.
I've been using Watchdog as a smart task manager. I have SetCPU installed, but I haven't used it at all.
Here are some pics:
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I have not installed the kernel but my battery life is terrible. I barely have any apps and I do not use my phone a lot. I love the rom (favorite by far). Should I try to install the kernel.
Sent from my Htc Incredible using XDA App

rllong1 said:
Should I try to install the kernel.
Sent from my Htc Incredible using XDA App
Click to expand...
Click to collapse
Can't hurt, just nandroid first, or have a spare kernel handy.
Sent from my ADR6300 using XDA App

I chewed through my battery in about 10 hrs today with the same kernel.
Guess I use mine a lot more. I've also got 26 hrs out if it when I barely use it.
Don't think you get great battery life when you don't use it much.
I'm in CM 6.1 but that wont really matter.
Sent from my Sprint Galaxy Tab

True, I haven't been using it all that much. But compared to other ROM's I've used, this get much better battery. Everything else I've tried out got me a max of ~12 hours even on idle the whole time.
Definitely try to install the kernel. Can't hurt! Just make sure you always have a nandroid backup available.

anekdotos said:
I installed OMGB-6 when it was released. Then flashed invisiblek #21 kernel and the new market. Since I last charged it, I've talked on it for about an hour, used the web-browser (Skyfire) fairly moderately, sent a few emails (Gmail), and spent a total of about an hour of GPS through the application WAZE. I'm left at 22% battery left after about 22 hours of use.
Click to expand...
Click to collapse
Stock Battery?

50% Brightness?!?!?! Wow....battery life is not worth looking at a dull screen. 100% all the way for me...im using 1800mah from ChiChitech that I got for $20. Seems to help enough.
I'm also running a Gingerbread ROM (Evervolv a17) but can't tell what difference it's making on battery.

h3rmanmunst3r said:
50% Brightness?!?!?! Wow....battery life is not worth looking at a dull screen. 100% all the way for me...im using 1800mah from ChiChitech that I got for $20. Seems to help enough.
I'm also running a Gingerbread ROM (Evervolv a17) but can't tell what difference it's making on battery.
Click to expand...
Click to collapse
the screen is not dull when it's set low...lol 100% brightness is like staring at the sun for me.
Sent from my ADR6300 using XDA App

gr.ayre.st/s/screenshots/android/incbattery_0.png
gr.ayre.st/s/screenshots/android/incbattery_1.png
gr.ayre.st/s/screenshots/android/incbattery_2.png
Edit: I made some screenshots but XDA's spam prevention (no external links for new accounts) prevents me from actually linking them. You can copypasta if you're interested in the details.
Hydra 1.13 overclock kernel, stock ROM, stock battery, auto-brightness. I'm currently at 20% battery after 2.5 days. Light usage over the weekend, but there is an hour and a half of talk time in there and a half hour of reading.
The trick to DI battery life is keeping the data network usage/standby under control. If you're trying to send/receive data with no signal, the phone will burn through its battery in 4 hours and I've used 20% in 15 minutes trying to book a flight on a low signal connection.
Realizing this took me a few months since I live in NYC and as such, go through a lot of signal shadows. Some days my phone would be at 50% battery after 12 hours, other times it'd be dead after 6. I now realize that the short days were caused by sync services trying to run when I was in a shadow. You can diagnose this for yourself by going to the cell standby section of the battery usage. If you're over 10% or so without a signal, you have this problem.
You can handle this manually by holding down the power (on the stock rom) and enabling/disabling mobile network. This is a pain in the ass.
I handle this with some simple Locale rules along with the Mobile Signal and Mobile Data plugins. The first is to shut off the data when there's no signal. The second is to shut off the data at work where I'm usually but not always on a wireless network. The third is to shut down the data during my normal sleep hours and airplane mode if I'm at home.
These easily got me to 36 hours so I grabbed an undervolt kernel, which gets me to 2 days of regular use. Daily I do about 15m of talk, 40m reading news/email on the subway, and another 30 mins browsing/messaging/misc. My monthly data use is ~350MB.

While it is likely true that the OP and others have good battery life under their specific use conditions, battery life in general on smart phones is mediocre to poor at best. I have friends with various different models of smartphone (including iphone) and across the board battery life is not good. The exception is blackberry, but I don't consider those competitive from a tech and feature standpoint. Obviously different people are going to have different opinions and experiences based on the various factors that influence battery longevity.
The solution is to stop worrying about it, get a spare or two or three and pop in a new battery when one dies. This imo is one of the best things about the Dinc and Android phones in general. Just my 2c.

1 Day 10 Hrs (34 hrs) Battery Life

First things first: A BIG thank you to all of the devs still working on the Epic. This phone is not that old and I still think (because of the keyboard) it's a great phone that I'll enjoy for all of the 2 years I'll have with it. Fortunately, there are others who think this, too and put in the time and effort to make this already great phone better for FREE. I'm not a developer, but I do know it takes a lot of time/dedication to accomplish what they have. So thank you to all of the developers (present & past) for the Samsung Epic 4g
Hello, I'm a lurker none of you know but would like to share my results dealing with battery life on EH06
This is the best battery life I've ever gotten and I have no doubt that I could've reached 1 Day 12 Hrs (36 Hrs) of battery life. A day and a half, I guess I should've waited and let it run out, but my impatience got the best of me.
What I did was flash crawj's EH06 deodexed .tar
I flashed theduce102's (EH06) Copy & Paste ROM Stock Cyan v1.1
I then flashed deano0714's Sculpted v2
I was using the EH06 Modem
Auto-Sync was left on the entire time. Twitter/Facebook sync every 4 hours, contact sync left on.
Brightness left on "auto"
Wifi is left on always, at least until I was out of range.
Personally, I highly recommend juice defender. It'll turn off your data when the screen is not in use which saves a LOT of battery. Sure you could turn it on and off yourself but it's just much easier to use juice defender and have the data turned on for 30s/1min then left off for 30 minutes. 30 minutes is the max for the free version, but I still find it useful.
Take into consideration that I did NOT use my phone a lot.
My usage consisted of about 5 texts/hr, few downloaded apps/updates, few email checks, couple hours of listening to music, 20 minutes on Dolphin Browser HD.
If there's anything else you want to know about my setup, let me know and I'll update the OP.
The colors in the pics are inverted, most likely because of the screen cap app I used
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Bold ALL the things!

I also got 35+ hrs on EH06 deodexed with the EH06 plus kernel. It was pretty amazing... Didn't take any screenshots though...

A year ago on Eclair it lasted 2.5 days. Complete stock, no root.

this is all nice but I've kinda never understood the point in having a smartphone if you're going to have data shut off the majority of the time. of course most battery life is demanded by data - I'm willing to bet I could get several days of battery life from any build if I put my phone into airplane mode all day but what's the point?

dead78 said:
this is all nice but I've kinda never understood the point in having a smartphone if you're going to have data shut off the majority of the time. of course most battery life is demanded by data - I'm willing to bet I could get several days of battery life from any build if I put my phone into airplane mode all day but what's the point?
Click to expand...
Click to collapse
I feel the same way. I used to be obsessed with keeping my data off as much as possible. Then I realized....what's the point. The whole purpose of having a smartphone is to be connected all the time. I say keep your data on and use your device how its meant to be and enjoy it.
From cellblock D

Zor Omega said:
I feel the same way. I used to be obsessed with keeping my data off as much as possible. Then I realized....what's the point. The whole purpose of having a smartphone is to be connected all the time. I say keep your data on and use your device how its meant to be and enjoy it.
From cellblock D
Click to expand...
Click to collapse
yes. plus where are these people that they can't access a wall socket or power cable for days at a time? I can get 14-16 hours with moderate usage by leaving everything turned on. then when I'm home where all those power sources are, I, you know, plug the damn thing in.

What's ridiculous is that these people never made or received a single phone call in 1 to 2 days. WTF? Why did you buy a phone? Go get yourself a Palm Pilot.

dead78 said:
yes. plus where are these people that they can't access a wall socket or power cable for days at a time? I can get 14-16 hours with moderate usage by leaving everything turned on. then when I'm home where all those power sources are, I, you know, plug the damn thing in.
Click to expand...
Click to collapse
I hear ya. I usually get between 10-12 hrs of moderate to heavy use. If your that worried about it bring an extra battery with you. Shoot I carry or have quick access to an extra battery and a charging cable most places I go. I usually don't have to use it, but its there in case I need it.
@OP, were not trying to derail your achieving over a day of battery life, that's sweet that you can get that. I'm just questioning the usefulness of said achievment.
From cellblock D

jpmorris123 said:
What's ridiculous is that these people never made or received a single phone call in 1 to 2 days. WTF? Why did you buy a phone? Go get yourself a Palm Pilot.
Click to expand...
Click to collapse
And screen on time....sorry OP but what was the screen on time. Maybe a little over an hour? I saw a lot of gaps on chart.
Having said all of that, that is still pretty good standby time for a GB leak. I've gotten 1 day plus 3 hrs with everything running before. But that's with srf 1.2 and with hardly any use...plus wifi.
From cellblock D

I like this post I had my phone shut off on my yesterday at 4pm and it was full at 8am when i took it off the charger. Didnt do much of anything it somehow jumped from 50 to 25 all by itself. Im on genocide 1.1 and srf 1.2

[Official] battery stats thread

Once we get charged up (and back down), let's see how the battery life in the S4 compares to the quad core.
Please make sure to include your screen on time, as that is the best indicator of light/heavy use.

pleasantly surprised
I can't believe how good the battery has been so far, 84% after 13hours (over night)
I am a light user. still - that is impressive for stock. I never got close to that with my OG Epic on stock which was usually 3% per hour.

davidmumper said:
Once we get charged up (and back down), let's see how the battery life in the S4 compares to the quad core.
Please make sure to include your screen on time, as that is the best indicator of light/heavy use.
Click to expand...
Click to collapse
Mostly on WiFi
Screen brightness set to max
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Sent from my SPH-L710 using Tapatalk 2

1h, 3M Battery down to 76%.
screen on for 38 min, 33% of battery usage.

Heres mine on a first day full charge...

Not too bad for first day with moderate to heavy use!

This is heavy usage. Screen on time of 3.5 hours. Downloading Max Payne and a lot of apps. Downloading and listening to audio on Google chrome. Lots of Pulse usage. Games, YouTube, and 30 minutes of phone calls.
*edit* Bluetooth and wifi on all day long.
Sent from my SPH-L710 using XDA

More information is better for those of us living vicariously through you guys. Remember to include screen-on time. Thanks!

Here's mine for the first full day. Should my cell idle be taking up that much of the battery?
Sent from my SPH-L710 using Tapatalk 2

one thing im NOT noticing here is Allshare Service taking up a high percentage in your guys battery stats...
on mine its been at 7-9% and i dont know why, i have something waking up my phone when the screen is off and it might be that... ive forced stop, but i check later and its active again, ive disabled the service and the Allshare play in the application manager but still comes back on... hmmm i think im gonna have to root and just get rid of that file, or freeze it or something

Question... Does having all the motion settings on effect the battery? Also does having the NFC and sbeam on hurt the battery?

lse4 said:
Question... Does having all the motion settings on effect the battery? Also does having the NFC and sbeam on hurt the battery?
Click to expand...
Click to collapse
in addition, the eye tracker thingy?

This is only the 2nd cycle. Going to wipe stats after this charge

I'm still waiting for the second cycle to finish I have the motion controls on and the eye thing and I had no drop at all overnight

sewhuy said:
This is only the 2nd cycle. Going to wipe stats after this charge
Click to expand...
Click to collapse
I wish I could get some stats like that. The screenshots are while I was sleeping and 7% seems like a lot of drain for it just sitting there. Only thing on was wifi. Cell standby time on is always the same as the time on battery, is that normal?
edit: the phone now shows 79% battery left with time on battery of 12h 46m; cell standby the exact same; screen on at 9% with time on of 48m. I'm fully stock and running power save mode.

Here are my stats. I think the battery life isn't too bad so far but we will see.

are the battery stats suppose to reset when you restart the phone? For dinner reason my persist even after a reboot
Sent from my SPH-L710

xtrezpasor said:
are the battery stats suppose to reset when you restart the phone? For dinner reason my persist even after a reboot
Sent from my SPH-L710
Click to expand...
Click to collapse
No, they will carry over until you re-charge or change the battery.
I was going to make a thread like this, but it was already here! Here are my results after my second full charge and regular usage. The results are on par with my fully modified and decked out Epic. Of course, this device has a bigger battery, but it also has a larger screen. Between the hardware and software upgrades, I'm very impressed with the stock battery life. This includes wifi on at all times as well as signal w/data. Some motion features are enabled, nfc is not, and google sync is off (I use stock email). Now how much further can this be improved?? Remember not to be discouraged, Screen On times will vary depending on what the phone is used for. Showing pictures is much less battery intensive than watching YouTube videos.
DEVICE: Sprint Galaxy S III
ROOT: Non-Rooted
ROM: Stock
POWER-SAVE: Disabled

Calibrated

sewhuy said:
Calibrated
Click to expand...
Click to collapse
What is involved in calibration?

The "all of the sudden" battery fix on ICS

I have been using my s2 only 1 day on GB so i cant really tell you was the battery life good or bad there, but i i have some news for ICS
stock ROM users.
I was actually really depressed by the ICS battery life (i upgraded from GB same day i bought brand new S2), battery life was terrible,
turning on/off syncing, mobile data, gps etc etc helped a bit, but not that much. i still couldent get full day out of it with moderate use.
Again, im on stock 4.0.3 atm.
And then, a miracle.
Let me say right away, i am aware that these types of batterys (i have stock one btw) dont react on this whole "fully discharge then recharge" thing, but i do think now Android ICS as a system does! Cuz it was exactly what i did-i said what the heck doesent hurt to try and i was playing games like crazy when battery was on 10 or less percent so it wld shut down. then, i connected charger and used as normal on charger until it was fully juiced. repeated 3-4 times and what do you know... i now get 50% OR MORE WITH THE SAME BATTERY!
I am not really sure what happend there. Did battery gauge reset? Did ICS "learned" my battery properly? I dont know. All i know is that i am now able to get trough whole day (i get up 7:00AM, go to sleep round 01:00) with only 1 full charge. I dont even bother turning off wifi sometimes when i go out and dont need it.
I have been also reading around the web that some people got the same result. No calibration trys,pulling battery etc etc...just let it go trough few cycles and let system/phone "calibrate by itself".
Not exactly sure if this is a solution, bug, feature or whatever. I just thought it was worth writing to you guys
cheers, loop

why dont u share some screenshots

np mate, but in evening or tomo morning when i come home

Well, you actually shortened your battery life span by draining your battery to nothing, you should probably google what happens when you drain lithium batteries, and how it affects capacity, and not just
dont react on this whole "fully discharge then recharge" thing
Click to expand...
Click to collapse
You probably did reset your fuel gauge as your phone had no power to hold the gage memory, but you could of saved yourself a lot of battery capacity, by using search and finding out how to reset the battery gauge on the Samsung galaxy s2. Hint* search extweaks and Siyah kernel.
Anyway at least other people who read this, hopefully learn and do it all the easiest and battery efficient way and not
I have been also reading around the web that some people got the same result. No calibration trys,pulling battery etc etc...just let it go trough few cycles and let system/phone "calibrate by itself".
Click to expand...
Click to collapse
Hope this helped, and for future reference do not drain lithium batteries, whether it is your phone, laptop, ps3 controller. Try not to get it under 50% for the best efficiency, but the more you drain it to minimum charge the faster it degrades.

Did you uninstall anything? Did you change any settings? Sounds to me like wakelocks that were removed more than ICS "learning" your battery.

Take it like this: i upgraded to ICS over GB and did full wipe. First day i installed lets say 20+ apps that i use. mostly utilities,few games.
In this period of "recovery" i only updated few apps, installed GTAIII and Flipboard.
Let me make this perfeclty clear as i stated in OP and as deniso wrote: i am aware of todays batterys and how do they work. i am not senior android user but i know my way around,so as i stated, i know i dident "FIX" the battery itself. But i still think the main problem here is not the battery itself,its how ICS uses it.
However this:
Try not to get it under 50% for the best efficiency
Click to expand...
Click to collapse
is just... funny. "try not to" ok i get it, but below 50% is when u need your phone the most, should i carry a portable generator with me? no offense.
Please, do not throw rocks at me. I am aware what i wrote, and i am aware that it doesent makes sense with todays batterys and smartphones.
however,i still do have my better battery life, whatever u say or dont say.
Ill make some screenies when i come home.
Ty all for your feedback.

I said TRY not to, I personally use my phone all day and my battery only gets down to about 75% -85% at the end of the day, so it takes nothing special for our phones, unless you do heavy gaming or movie watching all the time.
And what I said, which wasn't throwing rocks at you, is that you probably just reset your fuel gauge as there was a lack of power to the memory chip, and like I said in my first post, Search EXTWEAKS and Siyah kernel as they have that exact function in them which does not require you to drain your battery below critical values or at all.

hello again, just posting screenies that i promised
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(its in croatian,but you can see what is important)
So as i said before. This is roughly really 50% MORE then what i was getting first few days on ICS. now, i dont know still if this is very good or average, but
it gets me trough day for sure. As u can see, i posted "screen on" time, cuz i was not getting even half of that before and i still have 34% left!
The day was filled with 5-6 emails, i watched 4 youtube videos, did cca 29 mins on surfing and cca 30-35mins in plants vs zombies. few sms, few calls.
So, im not playin smart here or anything, i just have more batter with whatever i did, and it makes me happy
Cheers

You getting more battery after 3 days could quite simply be due to the fact that you flashed new firmware and it always takes a few days for the kernel and modem to 'settle in'. You will never get a true indication of battery drain straight after flashing firmware.
And to the guy above who said he can use his phone the whole day and it never falls below 75%, wow!
I would love to know what firmware, kernel/modem combo you're using.
Sent from my GT-I9100 using xda app-developers app