44 Hours of battery life!!!! - Vibrant General

I'm running Toxic Crazy8, stock battery, Bali Kernel, undervolted an extra -25v across the board, reduced clock speed to 400mhz when screen's off. Light use gave me 44 hours of battery!
I probably could have pushed it even further. The first night it was updating 35 apps over wifi, and that sucked up almost 60%
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Got even better battery life? Post a screenshot =)

That's great an all but it comes slow. Try multitasking or play a simple game. It will lag like crazy. 44 hours is too much anyway, for me 12 hours would be the best.
Sent from my SGH-T959 using Tapatalk

Airplane mode sure does help too
Sent from my T959 using XDA App

It damn sure does...lol

I got 48hrs from the same rom, with wifi on constantly with skype. light to moderate use. Music at least 2+ hours twice in that span as well. Great rom. I chose not to UV or overclock so I have no SetCPU or anything installed, it's stock toxic with the 98 kickass script and v6. Really fast actually and no need for oc.

Penvision66 said:
I got 48hrs from the same rom, with wifi on constantly with skype. light to moderate use. Music at least 2+ hours twice in that span as well. Great rom. I chose not to UV or overclock so I have no SetCPU or anything installed, it's stock toxic with the 98 kickass script and v6. Really fast actually and no need for oc.
Click to expand...
Click to collapse
thats impossible with "moderate" use.
its light, and i mean like.. VERY light not even to the scale of being the actual light... so techinically your not using light, but using little light to no light at all.
P.S. my sentence includes 6 words "light"
now that i'm done with that bull****.
Please people posting their batteries as 40+ hours, PLEASE start using your phone. or just get a feature phone, honestly.
I, too, keep my phone on standby more than actual use, but i DO use it when i can. theres atleast 8 hours of music daily, constant wifi use, 24/7, and i get near 20 hours of battery life because i consider my use minimal moderate. At the end of the day, my battery life is usually at 40%, then i charge it again.
I'm on MIUI as well so battery life isn't perfect and i can deal with that.

xriderx66 said:
thats impossible with "moderate" use.
its light, and i mean like.. VERY light not even to the scale of being the actual light... so techinically your not using light, but using little light to no light at all.
P.S. my sentence includes 6 words "light"
now that i'm done with that bull****.
Click to expand...
Click to collapse
I SAID "light to moderate"... Also how can one judge what moderate is vs moderate with a guy who acts like a girl being on the phone all day texting and talking??? It's a ridiculous to even judge moderate or light vs someone else, because everyones concept of light to moderate are vastly different. So don't come at me like that bro.
Light to moderate (hence i didn't use strictly moderate) to me is at least 1 and a half hours on skype calls, at least an hour and a half on calls, a few texts on skype and sms, 10+ emails, a few show-offs lol, Wifi never turned off and skype always signed in, at least 4+ hours with music at the gym and a little after, a few random checks, a few market and web browses and maybe a short vid chat. That's light to moderate to me.
If you want to see less than light, like when I'm sleeping and checking my phone occasionally with wifi set to never turn off and skype signed in always I'll show you. It's been almost 12 hours since i was at full charge and unpluged and I am now at 94%. seems ridiculous I know and I thought so too but I ain't complaining. Stock battery as well. I'm no way saying this is light or what have you because it was idle for 90%+ Just an example of how deadly toxic 8 is with battery. And I do have apps. I dont usually play games though.

look at the attachment.That was after I downloaded 2 apps and tried them both lol and couldnt figure out how to screenshot. I'm done with this "bull****" now.

Once I see the cell standby is higher than the display I pretty much know how you use your phone.

No, you only know what you see. I am running Toxic8 also and am getting around 30+hours of real actual use, granted 8 of those are when I am sleeping, but still get strong use all day long.
Day in my battery.
Get up and go to work at 7am, listen to Iheartradio until 930-10
PowerAmp until 130 lunch with texts and email checks throughout.
130-2 XDA, random surfing
2-6 I listen to 2 different podcasts.
6-7 ride home on bus and listen to PowerAmp and check XDA again.
9-10 after kids in bed and I play a few games and check/clean some files in
Root Explorer.
Go to bed and then start over in the morning and finally plug in around 10 or 11 (lunchtime)
The cycle may shift a few hours here or there but it almost always the same. Oh and not sure if it is this ROM or not,but if I go into settings>about phone>status>batteryuse the picture shows that my display is at 75%, stand-by is 15% and phone idle is at 10% all +/- and that is clearly not the case. So you think that you see what my use is like but really you aren't.
I also use Juice Defender Plus which kills the radio/data traffic for an app-to-app basis and I have it set to kill radio/data while I am asleep.
I can post a screen shot if you like of the battery use (seeing isn't believing) or a shot of BetterBattery Stats (seeing is believing) if you like, but I am using my phone all day AND getting 30.

my vibrant hates toxic 8 for some reason. ultimate rom on the other hand has been very fast, responsive, and long lasting.

I prefer to actually use my phone for what I paid for it to do.....if I just want a phone ill go buy one out of a gumball machine or pick it out of a box of cracker jacks

iwillkillyou said:
That's great an all but it comes slow. Try multitasking or play a simple game. It will lag like crazy. 44 hours is too much anyway, for me 12 hours would be the best.
Sent from my SGH-T959 using Tapatalk
Click to expand...
Click to collapse
I was at 19 hours and 31 minutes using the Stock ROM with 41% battery left.
That's 33 hours if I had let it go all the way down with the same usage, and I definitely used it more than the OP does if that screen shot is any indication.
Didn't use airplane mode or anything.
I just uninstalled all apps I don't use and use a Black Background with only 3 home screens and a 30 second screen time-out.
WiFi used whenever I could, and I keep GPS on all the time now. Automatic screen brightness, too

The people who are being negative, what do YOU consider good use? I'm on trigger 3.2 final with bali 1.8.8 kernel, and my phone can get 24 hours with occasional use and still be at 50% battery, easily 24 hours with REAL use.
Real use includes calling for 1-2 hours, playing at least an hour of games, and just syncing off for apps I don't use constantly.. I don't have the phone underclocked when screen is off or undervolted any more than the kernel is set for.
How do I get that battery life? When the screen is off, it is in deep sleep. I get less than 1% battery drop per hour when it is in deep sleep. So basically unless I'm ACTUALLY using my phone, it isn't draining.
The part that impresses me is that I get easily 20+ hours of heavy use on the ORIGINAL battery(over a year and a half old). I know that battery must have lost some of its ability to charge.. I got my phone replaced by warranty, and the battery they included WILL NOT give as much battery life.. it makes me think that the problem with some people is a combination of a crap stock battery, and wake lock issues..

Wow this is some crazy stuff! I've been on GB for a long time now. I was just thinking the other day to flash back to 2.2 just for the lulz. But then along came the ICS port.
It seems I should try this out.
Sent from my lazy couch

THIS is what really light use looks like.. maybe an hour of calling, a few dozen texts, reading some news..
Sent from my SGH-T959 using XDA App

2.2 toxic is a great rom. i think it doesn't get enough love because of the GB and ICS options.
either way even 12hrs of battery life is pretty nice congrats

What I don't understand is:
1. How come it's on flight mode?
2. How come Display < Stand By?

Running on stock 2.2 with 3G, WiFi, Bluetooth, and GPS turned off, barely any apps installed so nothing started up in the background, and not recieving any calls all day my battery went from 100% to 93% in 13.5 hours. I estimate just shy of 60 hours of potential battery life.
But that was with a phone that wasn't being used at all; i.e. a paperweight. I could just turn the phone off and claim I had a bajillion hours of battery life.
FYI when I took the sim card out of my daughter's iPhone 3G, turned off wifi, and shut the screen off it lost about 1% PER DAY. That works out to a 3-month battery life (give or take) but again it's just a paper weight at that point.
In other words, if you're using your phone as an MP3 player for 2 hours a day, why shouldn't it get 44 hours of battery life?

Ok so i read all this hype about crazy8 so im trying it out now...
Damnit im very impressed....
I watched 2 movies complete played angry birds, on my phone for most the night and this morning when i got off work 9 1/2 hrs later i still had 35% battery life.
That is awsome to me,though i did not get 44 hrs due to i actually use my phone i will say im impressed,,,,i now no longer need to carry my 3 batteries and the external charger with me everywhere i go lol
I normaly go thru 2 battery changes a night.
Tonight i will run with all the script tweeks and so on...im excited to see the results then lol...although i will not run plane mode and undervolt it and all those lame tricks, actually may oc clock it a bit.
No more miui and cm7 for me lol bad ass battery life with everything working and snappy as hell....im at home with crazy 8

Related

Terrible Battery Life!

I got my Vibrant a few days ago and as of today i can only get 4-5 hours max out of the whole battery and thats with heavy to moderate use.. does anyone else seem to have this problem.. im gonna return the phone and get a new one but does anyone else seem to have this?
I really dont understand why this is so bad..
4 or 5 hours of heavy use is about all I get. That is if I'm constantly messing with it. E.g. web, email, facebook,ect. However I think this phone has excellent battery life when I'm not constantly playing with it. Wifi definitely drains it quicker. And stupid apps like facebook. I periodically mess with my phone throughout the work day and by the time I get home I usually have about 75% battery remaining. I think that's pretty good.
ElChibo said:
I got my Vibrant a few days ago and as of today i can only get 4-5 hours max out of the whole battery and thats with heavy to moderate use.. does anyone else seem to have this problem.. im gonna return the phone and get a new one but does anyone else seem to have this?
I really dont understand why this is so bad..
Click to expand...
Click to collapse
THE BATTERY IS TERRIBLE. thats why i returned it, and the slow acrolling from screen to screen with stock software
I think you can only expect about 4 hours of awake time use on this phone. I haven't had much trouble with mine, I get about 13-14 hours per charge. But my phone its idle 9-10 hours of the day.
Sent from my SGH-T959
stepinmyworld said:
THE BATTERY IS TERRIBLE. thats why i returned it, and the slow acrolling from screen to screen with stock software
Click to expand...
Click to collapse
Then why are you still in the vibrant forums... move on...
I would think by now people would be use to the type of battery life you get with these types of phones. With heavy usage your not going to last all day just how it is until battery tech catches up to phone tech. I use mine a above moderate usage and some days heavy usage. From when I unplug it at 7:00am the battery is down to about 10 to 15% by the time I leave work at 4:00pm. Thats a lot better than my HD2, Cliq, MT3G and G1.
temperbad said:
Then why are you still in the vibrant forums... move on...
Click to expand...
Click to collapse
I agree 100%. Im seeing a lot of this. One thing I dont see is the "Vibrant Complaint" forum. Can't understand why ppl feel the need to come back in here if they dont like, dont have or feel they need to bash the phone from their experience. Get rid of the phone or keep it and be patient, its that simple... or am I missing something?!?!?
speoples20 said:
I would think by now people would be use to the type of battery life you get with these types of phones. With heavy usage your not going to last all day just how it is until battery tech catches up to phone tech. I use mine a above moderate usage and some days heavy usage. From when I unplug it at 7:00am the battery is down to about 10 to 15% by the time I leave work at 4:00pm. Thats a lot better than my HD2, Cliq, MT3G and G1.
Click to expand...
Click to collapse
Im almost in the same boat, much better battery life then my G1! I can get from 8-8pm with moderate usage and music palying for the last hour. I was experiencing horrible battery life (8-2/3pm) when I was running notifications with Bloo 1.5.apk, auto brightness on, and Advanced task manager running. Now that I have cut the notifications from bloo (got gmail for this anyway), set brightness to manual setting, and got rid of the task manager I am regularly seeing, after bering unplugged since 8(its now 1245) and im @ 85%. Try trimming down the services you have running in the background and by an extra battery or a car charger.
Id like love to try mine out when i get it tomorrow because with
Mytouch Slide, i had Facebook, Gmail and all the usual stuff syncing and it lasted me close to 8-12 hours of Web, texting and just playing around with it throughout the day.
The Nexus One Was the same lasted me some good 10-14 hours a day syncing the usual stuff along with the weather and such. So Id expect the vibrant to be the same, or Else im returning it and thats the end of it. That also goes for lagging issues as well. And most likely get a different android phone or go back to the N1 and Switch Forums....
Have you ever owned a Smartphone before? Thats normal if you are using it heavily.
androidmonkey said:
Have you ever owned a Smartphone before? Thats normal if you are using it heavily.
Click to expand...
Click to collapse
no its not normal.. ive used my MT3G with heavy use gives me at least if not more than 7-8 hours use.. what i dont understand is why the hell it takes so long for my battery to charge.
ElChibo said:
no its not normal.. ive used my MT3G with heavy use gives me at least if not more than 7-8 hours use.. what i dont understand is why the hell it takes so long for my battery to charge.
Click to expand...
Click to collapse
I get 6-8 hours.
I think 5 hours of juice is really good relative to your heavy usage. I always get 15 - 18 hours a day. That's with moderate use. Even playing a game of Armored Strike for an hour. This is the best battery i've had on a phone. I can easily get over a day and a half or even more once I settle down and stop using it so much more than I need to [ because I just got it.... ]
If this is what you consider to be terrible, I don't mind how terrible my battery life at all. I made a few calls, used GPS a few times, always listening to music.. some market downloads, pictures taken. SetCPU at 1000MHZ 100% of the time.
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29% left!
Disable Google Talk. My battery life was excellent (typically all day on full charge with heavy use). I signed into google talk one day and was lucky to get 4hrs before charging was needed. I deselected the auto sign in option and killed it in the running services section. Battery life has gotten so much better 70% after 4.5hrs.
i think the battery life for my vibrant is pretty epic. when i went to cm5.0.8 and cm6 on my g1 i calibrated the battery and thought i was getting really good battery life. then i got the vibrant. i could probably make it two whole days without a charge with how i use my phone (probably moderate-light compared to most on here).
but one thing i do agree with is this phone takes FOREVER to charge.
Hmm.....
Ok.....well I consider myself a moderate-heavy user...
On that note, I actually use my phone for work calls, emails, plus personal calls and emails as well....and i'm an avid gamer and already have many games on my Vibrant and use it to play them regularly.....then there is the fact that I travel for work....a lot, so I constantly using google voice search and maps to find where i need to go (never use the gps though)....I used the internet all the time, especially on WiFi (higher battery drain)....and don't get me started on the movies, music and youtube....plus while at work I have Pandora running from my phone throughout the day....
So how is my battery life? I unplug my phone every morning at 9am, with all that use I don't need to plug it in again till 10-11pm (12-14hrs!!).....by that time of course the battery level is at 5-15%.....But I'm definitely not complaining....
I do however disable the auto-brightness feature....AND turn down my brightness to about 30%....50% brightness cuts about 2 hours off of the battery life....
But a GREAT PHONE!!! Loving my new Galaxy S Vibrant
funeralthirst said:
i think the battery life for my vibrant is pretty epic. when i went to cm5.0.8 and cm6 on my g1 i calibrated the battery and thought i was getting really good battery life. then i got the vibrant. i could probably make it two whole days without a charge with how i use my phone (probably moderate-light compared to most on here).
but one thing i do agree with is this phone takes FOREVER to charge.
Click to expand...
Click to collapse
yeah, i feel the same way. As far as phone taking forever to charge, are you using the usb-computer charger or usb-wall? The usb-computer can be very weak depending on your system.
Charging from pc, i would wake up only to see 65%. That's pretty crazy. On the wall charger, it takes less about 4-5 hours every time.
Anyone loosing like 6 percent in the first 15 minutes after a full charge? 15 minutes ago i was 100% now im at 94....
I get better battery life than i got on my G1.
These are not cell phones... they are tinny laptops that you can press against your face and make phone calls.
This thing has more features than the $1200 gaming PC i built 2 months ago.
I had bad battery life the first day. Turned the phone off late at night and let it charge full. Battery has been wonderful since then.

Whats the most battery life we've seen?

Alright so, I know people frequently post pictures of their battery life "Unplugged for" screenshots.
So I'm wondering, whats the longest we've seen, with atleast 2 and a half hours of display on-time?
And what ROM/Kernel were they using?
EDIT:
Hit my personal best today, heres a screenshot:
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5% Battery remaining according to Battstatt.
Display time is 2 hours 26 minutes
Time without signal is 86% (Horrible service here)
Voice calls is 21m 13s
You didn't post what rom/kernel you are using.
I'm running the stock rom and getting fed up with the terrible battery life...so I'll be monitoring this thread to see what my best options are.
viperacr99 said:
You didn't post what rom/kernel you are using.
I'm running the stock rom and getting fed up with the terrible battery life...so I'll be monitoring this thread to see what my best options are.
Click to expand...
Click to collapse
Oh my bad man.
I'm running Baked Snack 1.5 ROM with HeroSpecial#2 kernel right now.
Its still at 5% and currently 2d 19h 14m. Could prolly get 3days to read on there if I felt like it.
I have to say I'm getting amazing battery life with Baked snack 1.5. I had the phone running for one day and 18 hours, I spent about 3 hours on the phone and using it constantly to check messages. I'm very happy with my phone.I'm installing 1.6 now, it should make it to two days. I had WIFi on all day.
2 hours of display on time over 3 days? Anyone could get ridiculous battery life if they never use the phone.
The ONLY way to compare battery life semi equally across various roms/kernels/settings and setups is to restart the phone, turn off the display, leave it for several hours without using it at all, and measure what the %loss per hour is for a completely idle phone with no use. The longer you leave the phone idle, the more accurate the measurement of % loss per hour will be. We can then compare how much power various setups are using in idle as a baseline.
Anything other than that is open to people messing with their phone or turning on airplane mode or never using it and claiming amazing battery life.
muyoso said:
2 hours of display on time over 3 days? Anyone could get ridiculous battery life if they never use the phone.
The ONLY way to compare battery life semi equally across various roms/kernels/settings and setups is to restart the phone, turn off the display, leave it for several hours without using it at all, and measure what the %loss per hour is for a completely idle phone with no use. The longer you leave the phone idle, the more accurate the measurement of % loss per hour will be. We can then compare how much power various setups are using in idle as a baseline.
Anything other than that is open to people messing with their phone or turning on airplane mode or never using it and claiming amazing battery life.
Click to expand...
Click to collapse
First, that was my normal use for those two + days, didn't have time to use my phone other than for texting and such. And if your a texter, than you know it only takes 20seconds TOPS to reply a text message, and texting is a majority of what I did with those two+ hours. so we'll say 1:45min of it was texting.
20seconds of on screen time per text = about 315 text messages, which is about what I did.
To me that is great battery life, if I can get that much battery to do that than I'm happy.
As for the way you stated, I guess this counts:
When I slept, I slept for 8 hours and some odd minutes and lost 3% the first night and slept I believe 6 hours and lost 2% the 2nd.
I guess that would mean 3hours idle = 1% battery drain judging by your method? Idk. Lol.
SemiGamer said:
First, that was my normal use for those two + days, didn't have time to use my phone other than for texting and such. And if your a texter, than you know it only takes 20seconds TOPS to reply a text message, and texting is a majority of what I did with those two+ hours. so we'll say 1:45min of it was texting.
20seconds of on screen time per text = about 315 text messages, which is about what I did.
To me that is great battery life, if I can get that much battery to do that than I'm happy.
As for the way you stated, I guess this counts:
When I slept, I slept for 8 hours and some odd minutes and lost 3% the first night and slept I believe 6 hours and lost 2% the 2nd.
I guess that would mean 3hours idle = 1% battery drain judging by your method? Idk. Lol.
Click to expand...
Click to collapse
Ummm I don't even see why you need this phone if all you are going to do is text with it. There are so many other phones that are smaller, lighter and way better on battery if that is all you do. The LG rumor 2 comes to mind.
socos25 said:
Ummm I don't even see why you need this phone if all you are going to do is text with it. There are so many other phones that are smaller, lighter and way better on battery if that is all you do. The LG rumor 2 comes to mind.
Click to expand...
Click to collapse
Meh, I guess since Baked Snacks thread got closed, none of you saw my post in it before it was, stating why I wasn't using my phone much -.-
I was back and forth to the hospital all this week, no time to worry about charging my phone and no time to use it much other than quickly texting. My grandmother is in there but thats a personal note and doesn't relate to any of this.
Anyway, point is, I wasn't able to worry about charging my phone much, and I was impressed that it made it through all that without dying on me, I was planning on not having a phone for a day because I knew I wouldn't be charging it. Thats why I was impressed.
But thanks for the suggestion of yours. I'll be sure to write it on the next piece of toilet paper I use.
And can we please get back to the original reason I posted this thread..?
Nobody has mentioned the best battery life they've seen on the epic.
SemiGamer said:
First, that was my normal use for those two + days, didn't have time to use my phone other than for texting and such. And if your a texter, than you know it only takes 20seconds TOPS to reply a text message, and texting is a majority of what I did with those two+ hours. so we'll say 1:45min of it was texting.
20seconds of on screen time per text = about 315 text messages, which is about what I did.
To me that is great battery life, if I can get that much battery to do that than I'm happy.
As for the way you stated, I guess this counts:
When I slept, I slept for 8 hours and some odd minutes and lost 3% the first night and slept I believe 6 hours and lost 2% the 2nd.
I guess that would mean 3hours idle = 1% battery drain judging by your method? Idk. Lol.
Click to expand...
Click to collapse
Well that seems like some good battery life if you only lost 1 percent every 3 hours. Airplane mode? juicedefender?
muyoso said:
Well that seems like some good battery life if you only lost 1 percent every 3 hours. Airplane mode? juicedefender?
Click to expand...
Click to collapse
Whats the normal drainage for idle phones?
Neither, I just turn 3G off and force roam it at home with Roam control because I get 1-bar while roaming and 0 bars with Sprint coverage at home so roaming helps the Time Without Signal a very little bit, on sprint it runs at 99% without signal at my house and on roam it runs at 80-90% without signal.
SemiGamer said:
Whats the normal drainage for idle phones?
Neither, I just turn 3G off and force roam it at home with Roam control because I get 1-bar while roaming and 0 bars with Sprint coverage at home so roaming helps the Time Without Signal a very little bit, on sprint it runs at 99% without signal at my house and on roam it runs at 80-90% without signal.
Click to expand...
Click to collapse
I get a little under 1% an hour when idle usually. I would have to check it again tonight to see what I am currently getting. I am using phoenix 1.43 and EE 1.2.03. I use juicedefender and disable drm and toggle airplane mode and all that nonsense.
i'm curious what most people are getting for % battery loss with screen on. i feel like mine tends to be high across several ROMs and kernels. its varied somewhat of course, i've used AOSP magic, EE, Syndicate and on baked snack 1.6 now. my numbers show approx 1% battery loss for every 2 minutes of screen on. so that would only be 3hrs 20min of screen on time total which is junk, lol. anyone else got reports?
SemiGamer said:
First, that was my normal use for those two + days, didn't have time to use my phone other than for texting and such. And if your a texter, than you know it only takes 20seconds TOPS to reply a text message, and texting is a majority of what I did with those two+ hours. so we'll say 1:45min of it was texting.
Click to expand...
Click to collapse
First, there's just way, way, WAY too much pissing and carping that goes on around here between people about their different usage models.
We each use the phone the way we use it. If you hardly turn it on, you'll get awesome battery life. If you use it like a combination phone/PSP/iPod/Nuvi all day long, you'll get horrible battery life.
I fall in the latter category. I use my phone for business, so I talk hours a day on it. I use it for navigation in the car. I watch probably 2+ hours a day of video on it in the evenings. I listen to music while I'm out and about. I play games when waiting around (like in the doctor's office).
I do all of this usually with wireless bluetooth.
So, I'm happy if I get 6-8 hours out of a full charge, which is rare. However, it's not because the Epic has a crappy battery or sucks juice... It's because I use it to it's full capability throughout the day, every day.
That said, muyoso's point is spot-on when it comes to comparing battery hog/waif in terms of ROMs and kernels. The only thing that matters is non-use. A setup should be very stingy and sip electrons when nothing's happening. Under interactive use, there's little to nothing a dev can do to squeeze more life out of 1500mAh than, well, 1500 mAh.
I've been running Syndicate 1.2 for 24 hours now, and I can say that when the phone is idled, it's far more stingy with power than the stock ROM. The latter drank milliwatts like it was weightlifting when it was asleep and nothing was going on. Syndicate seems to barely be breathing at all when the phone's asleep -- just how you want it to be.
dwallersv said:
First, there's just way, way, WAY too much pissing and carping that goes on around here between people about their different usage models.
We each use the phone the way we use it. If you hardly turn it on, you'll get awesome battery life. If you use it like a combination phone/PSP/iPod/Nuvi all day long, you'll get horrible battery life.
I fall in the latter category. I use my phone for business, so I talk hours a day on it. I use it for navigation in the car. I watch probably 2+ hours a day of video on it in the evenings. I listen to music while I'm out and about. I play games when waiting around (like in the doctor's office).
I do all of this usually with wireless bluetooth.
So, I'm happy if I get 6-8 hours out of a full charge, which is rare. However, it's not because the Epic has a crappy battery or sucks juice... It's because I use it to it's full capability throughout the day, every day.
That said, muyoso's point is spot-on when it comes to comparing battery hog/waif in terms of ROMs and kernels. The only thing that matters is non-use. A setup should be very stingy and sip electrons when nothing's happening. Under interactive use, there's little to nothing a dev can do to squeeze more life out of 1500mAh than, well, 15 mAh.
I've been running Syndicate 1.2 for 24 hours now, and I can say that when the phone is idled, it's far more stingy with power than the stock ROM. The latter drank milliwatts like it was weightlifting when it was asleep and nothing was going on. Syndicate seems to barely be breathing at all when the phone's asleep -- just how you want it to be.
Click to expand...
Click to collapse
Absolutely spot on! And thanks for the plug.
amosher13 said:
i'm curious what most people are getting for % battery loss with screen on. i feel like mine tends to be high across several ROMs and kernels.
Click to expand...
Click to collapse
Because of how an AMOLED screen works power usage will vary greatly depending on brightness setting. So, taking care to adjust the brightness to suit viewing conditions regularly can make a big difference -- or use auto brightness.
I don't think the latter does a very good job, and I don't like it surprise changing/adjusting while I'm using the phone, so in all my anal retentiveness I constant adjust it manually to suit me.
Thank God for the nice notification-bar-finger-slide-brightness feature that Sammy added.
k0nane said:
Absolutely spot on! And thanks for the plug.
Click to expand...
Click to collapse
I forgot to mention that I also surf the web an hour or two a day too
It's a great ROM, once I learned not to try and be too lazy about restoring my previous setup
Hey, if you guys can engineer a fix to the incredibly stupid non-mixing, single-audio-source idiocy of Android's audio subsytem, I'll give you a very generous donation. I love almost everything about my Epic and Android, and haven't looked back wistfully to my WM Omnia II until I noticed this... Can't believe Google botched something as tecnically simple and unchallenging as this.
I mean, really... there's public domain, GPL code out there that could have just been plopped in to make a barely decent sound subsytem. It's a crime that my music mutes every time I get a notification about an email, SMS, etc.
The only solution is to disable sound notifications, which I've done. I can easily live with that, but I shouldn't have to.
One thing the ACS team might consider is adding an option to disable sound notifications when certain apps are running, like media apps playing music or video.
I think for most, if you just root the phone, disable the DRM, and run a program like Setcpu it will make a dramatic difference. It did for me. I just set SetCPU to throttle down when the screen is off.
dwallersv said:
One thing the ACS team might consider is adding an option to disable sound notifications when certain apps are running, like media apps playing music or video.
Click to expand...
Click to collapse
We'll have a look at it, thanks for the suggestion!
Can any one confirm if this is good battery life?
Sent from my SPH-D700 using XDA App
mikel719 said:
Can any one confirm if this is good battery life?
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse
can u tell us approximately how long ur display was on since it does say 72%..

General battery usage

hey pretty new on mt4g so i wanted to gauge battery life and see what other people are seeing. I'll start and lay a rubric for everything I'm seeing
Mytouch4g
Rom cynogenmod 6.1.2RC2
Grankin 2.6.32.27 oc'd to 1.8ghz. Kernel
Have set CPU set for 245mhz on screen off/On demand. And normal is 245 to 1.8ghz on demand ad well. ( Not sure what's good profiling and stuff
Have Facebook and ebuddy and everything is off cept for data. No email only push Gmail
Hitting about 1% every 20 min and when i do browsing for like 20-30 min i lose like 10-15%
Sent from my HTC Glacier using XDA App
stock
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Nice..
Mine can only hold for about 15 hours, lite web browsing, barely phone calls and texts..
I got about 16 hours yesterday. Using CM7. Brightness all the way up. Everything on except wifi. Browsing about 2 hours. About 5 phone calls, 15 mins or more. Used google maps. Did about 20 text msgs. I think that's all I did. Loving the battery life on CM7.
I get like 2 days use out of my phone without charging it. I've always tried to figure out why my battery life is always so much better than my gfs and I think I might have figured it out....I'm always on wifi.
The two places I am the majority of the day (work and home) I am constantly connected to wifi so it keeps my radio from scanning for a bettery data signal so my battery lasts a lot longer.
I have:
Iced Glacier v.1.1.6
Gorilla OC 1.6ghz beta v05 (but runs at 1.7ghz?)
SetCPU set at 1.7ghz ondemand and 245mhz screen off powersave
I get around 16 hours from a full charge, but Im always on the phone and playing with it but I have noticed that my battery does last longer on wifi
after tinkering around with it its working out better.
using
CM7nightlies#9
CM kernel
no setcpu
i get around 20 to almost 24 hours of usage. but most of the time i'm charging or partial charge cause i stream music like a mad man ahha.
stock i can get almost 24 hrs on a full charge im also using screen filter app(awesome app to use) im on pocket empires a lot too
Is it just me or does 100% last longer when fully charged? Has anyone also observed this? ATM I have 93% at 20hour mCPU scaled at 768mhz and around 15-16H moderate use with scale at 1.6GHz on max load.
I bought the Mytouch 4g on black Friday and found problems with the battery life in the first week. 5 Hours maximum without even using it. The camera worked randomly. I exchanged the phone for another one and all my problems were solved. I use the phone for gaming mostly and that drains the battery obviously .
I purchsed the powerskin case from the T-mobile store and I couldn't be more satisfied. I can use my phone for 6-7 hours straight playing games and browsing the web and it still has a full battery with a bar left on the power skin. It may be a little bulky but it brings be back to the good ol days when phones were bricks and adds that extra padding that I feel is necessary for protection. The price tag on the powerskin was $70 at the store but when it was scanned it came up as $40.00.
I highly suggest this product for those with fear of their phone dying unexpectedly.
Mac33 said:
I got about 16 hours yesterday. Using CM7. Brightness all the way up. Everything on except wifi. Browsing about 2 hours. About 5 phone calls, 15 mins or more. Used google maps. Did about 20 text msgs. I think that's all I did. Loving the battery life on CM7.
Click to expand...
Click to collapse
Just because of root your battery is that great? My brightness is off all day and my Data is off and my battery MIGHT last me till like 10:00 PM..
This is probably a silly question, and after quite a while searching I haven't found any real answer, but here goes:
Going from original out-of-the-box to rooted RoyalGinger 2.1, the battery use by my Display has gone WAY down. Like from always being #1 to usually being well below Cell Standy, Phone Idle, Wi-Fi, etc. And it's definitely not that I'm using the Display less.
Has anyone else seen this? Does it have something to do with how RoyalGinger, Gingerbread, etc. calculate battery usage? Is it normal?
ericjwaugh said:
This is probably a silly question, and after quite a while searching I haven't found any real answer, but here goes:
Going from original out-of-the-box to rooted RoyalGinger 2.1, the battery use by my Display has gone WAY down. Like from always being #1 to usually being well below Cell Standy, Phone Idle, Wi-Fi, etc. And it's definitely not that I'm using the Display less.
Has anyone else seen this? Does it have something to do with how RoyalGinger, Gingerbread, etc. calculate battery usage? Is it normal?
Click to expand...
Click to collapse
yes its normal. you came from stock MySense UI(stock Glacier), and Sense builds are known to be battery whores because they look awesome, have loads of interactive widgets, and lots of bloatware as well. going to an AOSP build(CM7, RG) the ROM is very lightweight and contains little to no bloatware and still as fast, maybe even faster. just look at the size of the files...Sense=300+MB, AOSP=80-110MB. plain and simple, all of the bloat consumes more power on your display
clarknick27 said:
yes its normal. you came from stock MySense UI(stock Glacier), and Sense builds are known to be battery whores because they look awesome, have loads of interactive widgets, and lots of bloatware as well. going to an AOSP build(CM7, RG) the ROM is very lightweight and contains little to no bloatware and still as fast, maybe even faster. just look at the size of the files...Sense=300+MB, AOSP=80-110MB. plain and simple, all of the bloat consumes more power on your display
Click to expand...
Click to collapse
Thanks for the prompt reply. I guess I didn't expect the Sense bloat to be reflected in the display usage. Does "Display" include the touch interface as well? If so, I guess I can see why Sense would show up as display.
Display counts more than just the power used by the LED backlighting.
I plugged my phone in yesterday at 14 hours of uptime with 45% battery remaining, after a day of fairly heavy use. Close to three hours of music listening, two hours of screen-on time and 3G/wifi web browsing, forty minutes of voice calls and a few SMS.
Using CM7 nightly #143 and insanity v3 kernel, 122/1017 clocks with smartass governor. I'm sure if I switched from smartass to conservative my battery life would increase a bit, but I like the smoothness that smartass gives me, and even on a day of brutally heavy use, I'll still come home with at least a quarter charge left.
Here's mine. Don't post attention to the time, I rebooted a couple times, it's probably been about five hours on battery. I don't do too many games per se, but I do browse xda and facebook a lot
Sent from my HTC Glacier using XDA App
here's mine (i'm too new to post links):
15h 12m 37s on battery
Android System 44%
Cell standby 22%
Phone idle 18%
Voice calls 8%
Wi-Fi 6%
Display 5%
as you can see (er, read), the display is really low. not sure what's up with system (maybe scanning the sdcard?), usually it's just standby and idle at the top. this is on RG2.1 with the display on auto brightness with defaults.
so this really is normal?
ericjwaugh said:
here's mine (i'm too new to post links):
15h 12m 37s on battery
Android System 44%
Cell standby 22%
Phone idle 18%
Voice calls 8%
Wi-Fi 6%
Display 5%
as you can see (er, read), the display is really low. not sure what's up with system (maybe scanning the sdcard?), usually it's just standby and idle at the top. this is on RG2.1 with the display on auto brightness with defaults.
so this really is normal?
Click to expand...
Click to collapse
yep, that looks about normal for AOSP builds
Well I won't complain. Like I mentioned, I was really surprised at the low battery consumption of the display. Didn't expect that much difference just by changing ROMs. Wish I would've rooted a long time ago.
Thanks again for humoring me and my silly questions.
clarknick27 said:
yep, that looks about normal for AOSP builds
Click to expand...
Click to collapse

I went all day without charging running the new trigger rom.

Just wanted to recommend the trigger rom to everybody with bad battery problems. I was running Bionix before and getting 8 hrs at most, but now with trigger Im going all day without even touching a charger. I dont have any widgets that connect to my internet on the homescreen and Im not running any apps that hog power. Yesterday was a pretty heavy day for the phone though ant it worked flawlessly. I guess the only thing I really did was underclock it to 800mhz.
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Nice, I'm using the semi-accurate battery metamorph... which is that?
Also, GPRS, yikes
s15274n said:
Nice, I'm using the semi-accurate battery metamorph... which is that?
Also, GPRS, yikes
Click to expand...
Click to collapse
Minimal matte
Sent from my SGH-T959 using Tapatalk
I am running the Bionix 1.3.1 with the Dragon overclock kernel. I get 15-17hours a day on one charge, I am overclocked to 1.28ghz (I do have profiles in setcpu that underclocks me to 800mhz when the screen is off or when I am charging its down to 1ghz).
So I am not bashing your rom, but the reason you were having such terrible battery life really doesn't have much to do with Bionix. When I was running Bionix by itself I was averaging 22hours on a single charge
Currently I am at 30% battery life having gone 9.5hours on one charge today. This was a particularly harder day on the phone than normal, I have made several calls (to the tune of about 2 hours total), I have been playing "word with friends", constantly chatting on google talk, updated several apps over the course of the day, did some google searches on Dolphin HD browser, some you-tubing, and constantly checking and reading/replying to emails from my three accounts that are synced on it.
(I was home all day today lol)
kponti said:
I am running the Bionix 1.3.1 with the Dragon overclock kernel. I get 15-17hours a day on one charge, I am overclocked to 1.28ghz (I do have profiles in setcpu that underclocks me to 800mhz when the screen is off or when I am charging its down to 1ghz).
So I am not bashing your rom, but the reason you were having such terrible battery life really doesn't have much to do with Bionix. When I was running Bionix by itself I was averaging 22hours on a single charge
Currently I am at 30% battery life having gone 9.5hours on one charge today. This was a particularly harder day on the phone than normal, I have made several calls (to the tune of about 2 hours total), I have been playing "word with friends", constantly chatting on google talk, updated several apps over the course of the day, did some google searches on Dolphin HD browser, some you-tubing, and constantly checking and reading/replying to emails from my three accounts that are synced on it.
(I was home all day today lol)
Click to expand...
Click to collapse
Lol there must be something wrong with my battery
Sent from my SGH-T959 using XDA Premium App
Impossible to really put much into it. Everyone uses their phone differently, even those people on different days. Flash what you love.
I get two days worth of battery life with heavy texting and moderate wifi. This Rom is a keeper for me I'm at 1 day and 3 hours and got 45% battery remaining.
I get from the Trigger Rom 20 hrs +/- with average use , 30 calls 20 texts, 20-40 emails, music other misc.
it is a Solid Rom and it battery performance is excellent.
Sig enough said
Trigger + Tigersblood = Winning
nothing new...
Overstock+any rom with disabled 3g and setcpu @800 MHz - about 48 hours (with music, ebook, calls). The proof is somewhere in the Trigger topic
I just went 29 hours off one charge on mine. Trigger is a keeper for me as well.
Get the same battery life with bionix 1.3.1 and overstock 1.5
3 exch accounts
Facebook and twitter syncing every 2 hours
3g+wifi
Two hours of bluetooth and music
Few texts and phone calls
Gps for traffic in the morning and in the afternoon
Brightness at 50 %
Sent from my SGH-T959 using XDA Premium App
And here I thought I was finally doing good with Trigger and you all come in and blow my happiness out of the water.
I pull mine off at 8am sharp, it sets with wifi and wifi calling on at work all day. maybe 1 10min phone call 2-4 txt and 4-8 emails and I get home at 6pm with 20% remaining. before on stock I would have to charge at 1-2 just to make it home and I thought that trigger and overstock was kicking butt till you all stepped in here with your usage and times and now I'm depressed again....
I even installed system monitor and it shows wifi calling only using 2-4% all day and the cpu usually hangs around 200-400. Guess my phone just hates batteries. might try setcpu.
trigger is awesome. i was messing around with some of the 2.2.1 roms... but i eventually went back to trigger. so smooth, so clean.
Wifi calling is a huge battery drain. You'll do much better without it.
Sdobron said:
Wifi calling is a huge battery drain. You'll do much better without it.
Click to expand...
Click to collapse
The only issue is no signal at all at work, so wifi calling was a blessing when it came out so giving it up is kinda a bad thing, nothing like paying for service I don't have 9 hours out of the day. but like I said wifi calling was only consuming 2-4% so I don't see how that is killing my battery. But for a test I'll run one day with the app frozen and see how my battery goes.
I don't think the 2-4% is completely accurate, as that's probably due to cpu and not the increase in radio/standby usage. Try it without when you're not working. Even so you're getting great battery life for being on wifi calling.
Im not bashing the Bionix rom at all. I ran it for about 3 months straight and it was amazing. I had it overclocked to 1.4mhz and it was a beast, but I never used all that speed anyway. I was constantly disabling data and I basically took all the smart out of the smartphone. I was having to do everything manually to keep my battery lasting about 8 hrs.
I just never had battery life before like I have with this trigger rom. I just wanted to recommend it to other people that have serious battery issues. Flash whatever you want. The people on these forums have ceated some amazing roms and they all have their pros and cons. For me, trigger is the best so far. Just wanted to put that out there
reddragon72 said:
And here I thought I was finally doing good with Trigger and you all come in and blow my happiness out of the water.
I pull mine off at 8am sharp, it sets with wifi and wifi calling on at work all day. maybe 1 10min phone call 2-4 txt and 4-8 emails and I get home at 6pm with 20% remaining. before on stock I would have to charge at 1-2 just to make it home and I thought that trigger and overstock was kicking butt till you all stepped in here with your usage and times and now I'm depressed again....
I even installed system monitor and it shows wifi calling only using 2-4% all day and the cpu usually hangs around 200-400. Guess my phone just hates batteries. might try setcpu.
Click to expand...
Click to collapse
Do you have a desk job where you sit at a computer? If you do, why not just hook your phone up to your computer with the USB cable and let it charge and power off of that?
But as was stated before, Wifi calling along with really low or no signal will eat your battery.
Odin back to stock then flashing trigger again helped my battery big time also.

Battery DRAMATICALLY Affected by Brightness

**PLEASE READ THE TITLE**
This is not a general battery life thread. I'm looking for comparisons of brightness levels. Thanks.
ALSO: Has anyone noticed a difference when using black themes/wallpaper, etc. I have NOT noticed any significant difference.
Ok, first off, everybody knows brightness affects battery use. However, I've been trying to run my brightness at 30%, which seems pretty low. I figured that can't use much more power than 0%. Still, I've only been getting to about 2pm after charging my phone all night. I'm a heavy user, I like to tinker with my launcher a lot, check facebook, texting, etc.
Today I decided to try 0% on the brightness setting. I'm not crazy about this since it's not bright enough for most situations. I mean, I bought a SAMOLED+ phone for a reason. Anyway, the battery usage seems to be DRAMATICALLY less than with 30%. What's even more odd is my battery usage shows my display using 40% of the battery instead of 50%, which is what I normally see. This isn't a very significant change.
So what about everybody else? Are you guys having the same experience?
UPDATE: I'm up to 7 hrs now and have 67% battery left. Screen on time 1h 26m. This is a dramatic improvement still from 30% brightness.
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
You sir are not a heavy user if you can get 1.5 days with a single charge on 100% bright.
Or maybe a heavy user on calls not browsing or things that use the screen.
on 100% simply 1h browsing, 1h with video, 1 account sync, texting, some calls, check twitter and fb will kill your battery in less than a day, and that is not heavy using.
intruda119 said:
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
Click to expand...
Click to collapse
Can i ask how many hours you have your screen on,
because with 100% brightness i'm lucky to get 3.5 hours (internet/games/twitter) of use out of my phone.
Sent from my GT-I9100 using XDA App
copy and paste from another thread I posted in. This is a very typical day. Now I dont use my phone as much after 6. My phone is currently at 30% from a full charge from friday night.
I make it during the day with 100% brightness. I consider myself an a heavy user.
Ill show my usual day after the new factor wore off.
Unplug at 630-7am
Start my music through Poweramp around 9am at work.(20 gigs of music)
about 20 text/ 30min total of calls
20 or so emails with some attachments
Usually download about 200mb of music/videos throuhout day
Check about 10-15 websites every couple hours(xda app most frequently)
Use Logmein about 10-15min total
Play LIVE holdem Poker roughly 30min total
Youtube/video watching
Some other random things I cant remember
3g/h+ on all day
wifi stays on
brightness at 100%(bright orange/blue wallpaper)
Browser brightness is at 50%
Everyones experience will be different. My original Samsung galaxy s(vibrant) would be dead around 5-6pm. My Galaxy s2 is around 40-50% around 5-6pm. Im experienceing great battery life. My fiance iphone4 would kill my vibrant in battery life, but the sgs2 is on par.
intruda119 said:
Ive had my brightness at 100% for most of the day. Im getting great battery life. Im a heavy user and I can get atleast a 1 1/2 days with a single charge. Luckily I hve the luxury to charge over night.
Click to expand...
Click to collapse
Yes, I too find this very hard to believe. I know if I watch a high quality video on YouTube the battery drain is insane. Of course that is data also but I doubt I could get an hour. My guess is if I just left the screen on for 2-3 hrs my battery would be dead from 100%.
intruda119 said:
copy and paste from another thread I posted in. This is a very typical day. Now I dont use my phone as much after 6. My phone is currently at 30% from a full charge from friday night.
I make it during the day with 100% brightness. I consider myself an a heavy user.
Ill show my usual day after the new factor wore off.
Unplug at 630-7am
Start my music through Poweramp around 9am at work.(20 gigs of music)
about 20 text/ 30min total of calls
20 or so emails with some attachments
Usually download about 200mb of music/videos throuhout day
Check about 10-15 websites every couple hours(xda app most frequently)
Use Logmein about 10-15min total
Play LIVE holdem Poker roughly 30min total
Youtube/video watching
Some other random things I cant remember
3g/h+ on all day
wifi stays on
brightness at 100%(bright orange/blue wallpaper)
Browser brightness is at 50%
Everyones experience will be different. My original Samsung galaxy s(vibrant) would be dead around 5-6pm. My Galaxy s2 is around 40-50% around 5-6pm. Im experienceing great battery life. My fiance iphone4 would kill my vibrant in battery life, but the sgs2 is on par.
Click to expand...
Click to collapse
Nope, that's definitely impossible.
I don't believe you, period.
On my s2 I lose 30-40% in 2 hours of not very heavy use on auto brightness. I am shocked that when I surf I can see the battery number (using battery guage) actually ticking down. Device is nice but battery life for me makes it totally useless for a prime device.
Sent from my MB860 using XDA App
ekerbuddyeker said:
I don't believe you, period.
On my s2 I lose 30-40% in 2 hours of not very heavy use on auto brightness. I am shocked that when I surf I can see the battery number (using battery guage) actually ticking down. Device is nice but battery life for me makes it totally useless for a prime device.
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
I've got display at auto-brightness which is usually around 30% for me indoors. Got display on time of 4hours 16minutes..includes about 45minutes of 3d gaming (modern combat 2) and rest browsing/downloading etc..
total up time 12hours 39minutes...and got 22% left...thats incredible to me, coming from a desire hd, I cant believe my phone is actually still running haha..
EDIT: Oh yea forgot to mention, I got a new replacement yesterday which means I havent even gone through the charging cycles yet, my previous one was superb aswell so fingers crossed this one will be too
Im off today so my typical use is different. Ill repost my battery stats when I get home after work tomorrow.
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intruda119 said:
copy and paste from another thread I posted in. This is a very typical day...
Click to expand...
Click to collapse
Well this is helpful, thanks. Sounds like you are getting better battery life than me. Although I would say I definitely am a "heavier" user than you. I used to make it to about 3pm with my GS1. I'm getting about the same with my GS2 if I leave the brightness on auto. That's if I don't use YouTube for more than a few min. I too would like to know what your screen on time is at the end of the day.
Sorry, posted this in the wrong place
EleCtrOx666 said:
Nope, that's definitely impossible.
Click to expand...
Click to collapse
+1
That use and that battery it is simply a lie.
The screen is definitely a battery drainer. Don't set the screen to 100% brightness and record 1080p videos. Battery level will be at 0% in less than 2 hours.
Why the f would I lie? Samsung is not paying my bills nor cutting me a check. ill post tomorrow after work my battery stats.
That is impossible on THIS phone with THIS battery! Period!
intruda119 said:
Why the **** would I lie? Samsung is not paying my bills nor cutting me a check. ill post tomorrow after work my battery stats.
Click to expand...
Click to collapse
I'm waiting for those stats.
A screen shot of his display on time along with the graph is what's needed.
Can we get back on OP's original topic of display brightness vs battery life discussion, this is a topic I'm interested in as well as I leave mine on auto-brightness and display is always #1 on my battery consumption list.
Maybe intruda can start a thread called "How my battery life is superior to everyone else's SGS2" and the dissenters can go there and call him out. Just sayin'.
This is my usage today with auto brightness. Mostly at 30%-40% brightness with 45minute gaming and rest browsing. Music. Youtube.
Im impressed.
http://db.tt/MEOhS1s
http://db.tt/IgCZu3z
Sent from my GT-I9100

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