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[Q] CM7 Alpha 6 on Sensation, poor battery life

Hi there!
so i decided to install CM7 alpha 6 on my sensation and ive been trying it it for 2-3 days (had alpha 5 before) and well the first day i recalibrated the battery after charging it to 100% and ... it went REALLY well!
i even Overclocked the phone with SOME kernel i found on the thread (sorry im not great with kernels or understanding them, i just know i use them to overclock but i made sure to know it was intended for CM7 use) and everything was still fine and dandy.
However i installed the radio that was suggested with the CM7 installing tutorial, not knowing what it did but i did it for compability issues i guess?, and the battery started shooting dead way too fast! like 1% every 5 mins or so. Now i read that the radio is pretty important for battery consumption so maybe by installing the new one i ****ed it up.
1) is there any way to revert back to my original radio? I live in Puerto Rico and 90% of the time at home i get EDGE because i dont get 3g here so i use Wi-FI calling and i do get 4g alot and good signal strength while not at home... the battery status displays my strength as yellow-green, 10% of the time its perfectly green. So maybe the radio i installed was an issue?
2) maybe its because CM7 still in Alpha stages and the battery isnt that great, or how is the battery for you guys? Did you mess with the radio?
3) Maybe its my battery i have an Anker1900mAh and it was doing just fine with ANDROID REVOLUTION getting 13 Hours of Medium - High usage during the day and i did do the 5 100-0% cycles throughout the first days... although i did clear the battery stats alot between the rom switching, maybe its ****ed with it?
i really like CM7 and i wanna keep giving it a try but if i dont get some options here i guess ill have to revert it back.
Sidenote: I also installed CM7 on my mothers MOTO CLIQXT and its been 2 days and she noticed that the battery is draining way fast as well. Didnt upgrade her radio though.
EDIT: i apologize for my terrible spelling and grammar

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Also since I've been messing around with the battery stats and calibration this keeps happening and it won't show me the battery information. Any idea on how to fix this?

I am getting horrible battery life as well. I flashed their suggested radio. Gonna try flashing another radio and see if it helps.

i got a very bad battery life since i installed mike1968 3.6.0XE, a half day with the battery and then i have to charge it again. and i dont have wifi on or playing games, auto sync is also off. i like the rom but the battery life really sucks. i ordered a new battery and hopefully it will be better, it is the battery used for the Evo 3d.

Each time you change a ROM, you need to calibrate it by letting it charge to some 4.12v or so, and then let it discharge until the phone turns off. Try to turn the phone back on. If you can, wait for the battery to drain far enough such that the phone will NOT restart. Now charge the battery until it is 4.12v (not JUST 100% )
Do this a few times and youll notice better life. Also, WIFI DOESNT use battery that much when compared to data and phone calls. Use wifi whenever possible AND turn off anything that uses background data. Notifications and automatic reports/data collection all use data/wifi and will use your battery even when the phone is idle.
Check your standby current. It ought to be in the 10-50mA/Hr range. If its not, then you have rogue apps that ARE using battery.
Matt

evacorp said:
i got a very bad battery life since i installed mike1968 3.6.0XE, a half day with the battery and then i have to charge it again. and i dont have wifi on or playing games, auto sync is also off. i like the rom but the battery life really sucks. i ordered a new battery and hopefully it will be better, it is the battery used for the Evo 3d.
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Do you or anyone know what is the original Radio that TMO uses for the sensation (USA)?

3000 mah battery

http://www.amazon.com/Seidio-Innoce..._1_1?s=wireless&ie=UTF8&qid=1326161817&sr=1-1
Here is the link, it says "vibrant" but it will work with sgs4g. Unfortunately, you have to make your phone fatter.

Hi Airfluip
Have you tried it?
I heard ppl say it does not last much more than the original bat.
Sent from me

no, i just found it. Don't have money to buy things, specially batteries.(I am 14) also, my battery lasts through a few days of use.

Mine lasts 1 day...
Tried out many ROMs and tweaks, guess I'm a very heavy user...
Sent from me

Not really fond of making the phone thicker. Better just to buy 2x 1800mAh (or 1500mAh) batteries and swap as needed.

I'm getting one of these soon, I will post my results whenever I can

thank you.

It's eta'd to be here around the 2nd, so it will be a bit
Sent from my SGH-T959V using XDA App

Update: i got the battery today, I'm letting it charge. right now I'm using my horrible flip-phone that i obtained when being on monthly 4g. i will get back with the results after the first full discharge

here is another one for cheaper: http://www.ecrater.com/p/12744868/extended-battery-with-cover-for-samsung-galaxy-s#

you get what you paid for. honestly, I wouldn't trust one of those.
As for the Seidio, last night it lasted me 10+ hours with heavy usage(constant music, gaming) and it was at 39 percent or so when I plugged it in.
Today, i have had it unplugged for four hours, listening to music around the same amount and it is at 90 percent so it's a major plus
before 10 percent would last me maybe 30 minutes max if i'm constantly listening to music, and this is only my second cycle. waiting until it's completely broken in
I will post a full report once I actually kill the thing lol

ChadBFlores said:
here is another one for cheaper: http://www.ecrater.com/p/12744868/extended-battery-with-cover-for-samsung-galaxy-s#
Click to expand...
Click to collapse
That seller has terrible feedback. I would rather go with amazon.
SGS4G Rooted-Unlocked
Valhalla Blue/Trans Theme
KJ6 Debloated by FBis251
Valhalla-Final KJ6 by Whitehawkx
2.6.35.7-T959VUVKJ6-CL694130

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So this is what my battery looks like after two days of usage. With music playing, downloads happening, standby standing by calls being taken, etc etc. So I guess this battery really does this phone some good as I never have been able to squeeze this much juice out of my phone. Oh did I mention I was playing games hours at a time.
I recommend this product a lot, but I don't necessarily deem it an absolute need, but close to it, especially for excessive use
I was going it let it drain, but I think I'm going to throw it on the charger now, as the major drawbacks are a longer charge time, and thr size....which once you're used to it isn't as bad as it seems, I actually like the extra weight, and the way it feels.
Anyways if you're willing to shell around 60 bucks out for more juice(a lot more) then I highly recommend it
Sent from my SGH-T959V using XDA App

.......................

Very interested in the biggest capacity battery I can get for around ~40-60 bucks.
I just got my phone four days ago, only just now let it go through a complete drain cycle.
But I was doing homework today and it didn't even make it through a full day of classes for me (From 7am to 4pm). Mostly just listening to music, calculator, a new text every twenty or so minutes, quick google shots during English classes.
Really disappointed by that. But if an extended battery will fix it (Also going to pick up a portable power pack if I can), I have to ask ... does this phone only draw 500 mA maximum when charging? I use the Apple USB charger because it's output is 1 Amp, the Samsung charger is 750 mA. Don't see a difference really - they both take a REALLY long time to charge.

....................

..................

I'll take it, then.
Thanks a bunch for the tests.

http://www.ebay.com/itm/Double-Capa...035455?pt=PDA_Accessories&hash=item3376d57fbf

Neo3D said:
http://www.ebay.com/itm/Double-Capa...035455?pt=PDA_Accessories&hash=item3376d57fbf
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Do you have this battery yourself, and if yes, what can you say about it?

Addtional battery Management on Custom ROMS

I realize this may be sacrilege to some, but is there any advantage to installing a battery management app like Juicedefender to a custom ROM? Or is each ROM optimized enough to not need third party apps like this... I just installed the ICS 2.3.5...
If not, are there custom kernels that can be flashed to this ROM to optimize battery more?
Thanks.

Actually, there is EVERY advantage of installing JD on any rom. JD does things no roms can do, like enable/disable connectivity such as wifi, gps, bluetooth depending on variable you chose such as location, time of day....
I use JD ultimate and this is what i usually get...JD is probably the best battery manager out there, you can couple it wil SetCPU to additionally tweak it.
On this screen is my usage for tha past day, i have 25% left and i've already have 26 hours on my battery. JD is set to keep wifi on at all time when im home. Imagine how much more i could gain if it only enabled wifi every half hour to sync my stuff.
Also take into consideration i've been uploading all my pictures to dropbox for the past 1.5 hours. When i woke up 2 hours ago, i have 43% remaining. So dropbox drained 20% in 1.5 hours
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polish_pat said:
Actually, there is EVERY advantage of installing JD on any rom. JD does things no roms can do, like enable/disable connectivity such as wifi, gps, bluetooth depending on variable you chose such as location, time of day....
Also take into consideration i've been uploading all my pictures to dropbox for the past 1.5 hours. When i woke up 2 hours ago, i have 43% remaining. So dropbox drained 20% in 1.5 hours
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Very nice thanks, good to know at least I picked a good one...
Also what battery app is that u r using?

battery status

I don't see a point really. My screen uses most of the battery.
Sent from my SAMSUNG-SGH-I727 using xda premium

I dont understand how you can "not see the point". Even a save of 10%-15% gives you at least a couple more hours of up time...we all know there is no magical solution for such a hungry, battery guzzling phone, but why not make the best out of it and control what we can?

I guess I do see the point. Maybe I just don't care that much. It makes sense to try to maximize battery life, so maybe I will try it out. I don't care much for the idea of turning off data when the screen is off with manual sync times though.

buy a extra battery. or a car charger. juice defender and under volting will help but not much. just turn screen down your self and turn wifi off which leave house. i tried most bat apps there are. i don't use any now and get better life then most people. been work eight hours and I'm at eighty four percent still. that's with use lol. jd uses more then it saves
Sent from my SAMSUNG-SGH-I727 using xda premium

Any of you guys try that double capacity battery, if it really does give 100% more juice? I am debating over it because it also makes the phone heavier and almost twice as thick... the slim form factor and weight is one of my fav parts of this phone so..

There's a double capacity battery? Where can I get it?

Robnw said:
There's a double capacity battery? Where can I get it?
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I'm sure they sell it elsewhere but it is all over ebay and I was tempted:
3800mAh Extended Battery + Cover
I love my slim form so I may just get like a battery 3 pack and always keep a couple charged in the fridge or something... when I go out for a while it can easily fit in a back pocket or bag for emergency.

Phone powers off when using camera flash

If I use the camera and have the flash on, and the battery is less than about 75% charged, the phone shuts off and won't turn back on until I pull the battery.
Often, when the phone powers back up after this, it shows the battery is almost dead, or at least significantly lower than before - I've seen it go from 70% to 15% a few times after this. It's done this with every ROM I've had, including stock Gingerbread and ICS, but it used to only do it if the battery was close to dead. Now I pretty much can't use the flash unless it's fresh off the charger or plugged in.
I'm thinking the battery is shot, would I be correct in this assumption? If so, can I use any Nexus S battery, or do I need to use a 4G specific battery? It's the Sprint 4G model.
Thanks!

If anyone cares, I got a new battery. Camera now works reliably, and I now get more than 6-8 hours out of a charge. Snagged the Anker 1600 mAh battery from Amazon.
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While I was out today (about 3 hours), 4G was on, and I had music streaming as well. Running JellyBean (CM10 Experimental) with Air Kernel @ 1.2 GHz.
Think it's safe to say my battery was shot - it was a Sprint-branded battery that came with the phone, but I got it used, and the person I got it from last year got it as a refurb.

When was the last time u reset battery stats in the old battery since its supposed to be done at least every time u flash a new ROM or if in same ROM for some time do it about once each month....
And what ROM where u using and what camera ..... stock or market APP?
Vs Nexus S 4G on Tapatalk

vidaljs said:
When was the last time u reset battery stats in the old battery since its supposed to be done at least every time u flash a new ROM or if in same ROM for some time do it about once each month....
And what ROM where u using and what camera ..... stock or market APP?
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One of the Google developers came out awhile back and stated there's no reason to reset battery stats, ever. TWRP 2.2 doesn't even have the option anymore. Plus the phone kept powering off when I'd use the flash on the old battery.
I'm using Burns' CM10 Experimental (8/6) with Air Kernel, but I've had this issue with every rom, including stock (as stated in the OP). Problem happened with stock camera app and every 3rd party camera app, also happened if I used the LED as a flashlight. When it's happening across multiple ROMs, I think it's a safe bet to say it's a hardware problem.

..

The phone was a refurb that I bought used, and came with a Sprint-branded battery when I bought it. But yeah, I was basically asking someone to verify what I was thinking - which you just did.
Here's the battery it came with:
Anyway, several days on the Anker battery now, and no complaints at all. Battery life is easily tripled, though this screenshot was taken with me sitting on wifi all day. It seems to hit 70-80% about when the old battery would die. Remember I'm running an early experimental build of CM10, with a mild overclock.

..

[Q] Poor Battery life?

I've been getting pretty bad battery life on my GS3 lately. I'm not sure if it's because of the ROM, widgets, kernel, or what.
I'm running the LiquidSmooth Rom on a 4.2.2 version of Android with the stick Kernel of 3.0.66-cyanogenmod-g3e56399
Also running This custom Home Screen.
Here are some of the readouts of my battery life so far. Earlier today I had lost about 10% battery life after an hour or so, and that was only with 10 minutes of screen time.
I also have the brightness set to Auto or set to a low level manually. It's rarely higher than 30% brightness.
Album here in case the embedded images don't work.
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Any ideas what I could do? Should I revert to stock and start over? I'm already using JuiceDefender Ultimate so I feel like my battery life should be MUCH better than it currently is.

I think that's the only way you're truly going to be able to tell. I'd try odining back to stock to get everything back in order then going to CleanROM. It's been reported that it has the best battery life for all GS3 ROMs.
If the problem still persists then yes it's your battery but I doubt it. With the n**rig of a setup you got going I'm willing to bet it's that.
Or on the contrary you could buy a brand new battery and try it out. Never hurts to have a spare battery around.
BTW, idk if it's just me but none of your imgs work.

fadac said:
I think that's the only way you're truly going to be able to tell. I'd try odining back to stock to get everything back in order then going to CleanROM. It's been reported that it has the best battery life for all GS3 ROMs.
If the problem still persists then yes it's your battery but I doubt it. With the n**rig of a setup you got going I'm willing to bet it's that.
Or on the contrary you could buy a brand new battery and try it out. Never hurts to have a spare battery around.
BTW, idk if it's just me but none of your imgs work.
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Thanks for the reply. I put a link to the imgur album since the embedded images didn't work, it's just some battery status. I'll try doing what you said and Odining back to stock, then going to CleanRom and seeing how that goes.

A lot of the AOSP roms and kernels drop down from 100% really quickly but then don't drop that much after that. So when I see you're at 85% or so after 3 hours, that doesn't really surprise me. I would be willing to bet it doesn't drop as much for the rest of the day. I've just noticed that with AOSP, even back when I was on the DINC and like Cyanogenmod 7.
I'm on AOSP (Paranoid Android) on my GSIII right now, I haven't done anything with my phone today other than a text message or two. It's been unplugged for several hours and it's at 93%. So the early battery drop is just normal on AOSP.

dag1337 said:
A lot of the AOSP roms and kernels drop down from 100% really quickly but then don't drop that much after that. So when I see you're at 85% or so after 3 hours, that doesn't really surprise me. I would be willing to bet it doesn't drop as much for the rest of the day. I've just noticed that with AOSP, even back when I was on the DINC and like Cyanogenmod 7.
I'm on AOSP (Paranoid Android) on my GSIII right now, I haven't done anything with my phone today other than a text message or two. It's been unplugged for several hours and it's at 93%. So the early battery drop is just normal on AOSP.
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Very interesting, thanks for the info!