System tuner: Battery life, cpu tuning, and more. - HTC Amaze 4G

I have been messing around with system tuner app for a while now and I really like the program.
I would like to hear from people who have used this app and their results with various tweaks that this app provides.
in the boot settings menu:
1. forcing both CPU's online: this should technically give you a better battery life, since it puts less strain on on cpu at a time, has anyone had a good exprience using this?
2. Boost app loading: anyone had any significant improvement with this?
My own settings:
I usually clock my phone at 1.5 (on demand governor) even though faux's kernel allows 1.7 max. I put max clock for screen off at 384 and conservative governor.
I have Undervolted before but do not see a very significant battery difference so I just left it alone.
I tried out the autokill option of system tuner, I only tried to kill the ghost apps, to refrain from the cpu from having to keep restarting the phone, but this also seems to kill battery life...In my experience any type of task killer however detailed will reduce battery and does not increase performance, unless you're running a poorly written app that just needs to be killed.
I use three other programs to monitor my phone
1. system pannel: very good at finding rogue apps that kill cpu...I highly recommend the pro version, you can get a history of what has used cpu up to a week.
2. Onavo and My data manger which basically monitor my wifi and mobile traffic, Onavo only monitors mobile network traffic and lets you restrict apps to only wifi. however it does not measure wifi use of data. My data manager monitor both wifi and network usage but does not give you any options to do anything with the apps, it basically tells you what program is using data while on wifi and mobile.
If anyone has found a good balance between performance and battery saving, please do share.
Thank you.

I read some other guy also mentioned the all cpus on thing. im not sure but isnt it the same as making both processors work at the same time which leads to phone overheating? I will give it a try though. from what you noticed, do you like it more with both cpu on or is better the way it was?

Felinos11 said:
I read some other guy also mentioned the all cpus on thing. im not sure but isnt it the same as making both processors work at the same time which leads to phone overheating? I will give it a try though. from what you noticed, do you like it more with both cpu on or is better the way it was?
Click to expand...
Click to collapse
technically this is how it's supposed to work pic attatched, but I don't know if our roms or even the dual core rom that's out works in this manner, if it did we would be seeing significant battery savings

seansk said:
technically this is how it's supposed to work pic attatched, but I don't know if our roms or even the dual core rom that's out works in this manner, if it did we would be seeing significant battery savings
Click to expand...
Click to collapse
will see then. hey seansk do you notice some kind of hesitation when trying to unlock the phone? when u press the unlock button at the top. I think that boost app loading thing causes this cuz when have it enabled the unlock button you have to press it twice to work, while when disabling that boost app loading thing all works fine...

Felinos11 said:
will see then. hey seansk do you notice some kind of hesitation when trying to unlock the phone? when u press the unlock button at the top. I think that boost app loading thing causes this cuz when have it enabled the unlock button you have to press it twice to work, while when disabling that boost app loading thing all works fine...
Click to expand...
Click to collapse
I have widget locker and havn't had that problem...I just flashed faux's latest kernel and am in the process of re calibrating my battery, it seemed to jump from 100 to 90 in about 10 minutes!!!!!! now I noticed that happening...but I havn't had time to fully replicate it...i need more time..I believe it might have something to do with fauxes kernel, he mentioned that when screen goes off he it puts the phone into a low power consumption mode, but also has something that when you turn it on, is quick to turn on!!! we'll have to wait and see.

If you've been following this thread, just wanted make a quick update...I want to give you my results with system tuner tweaking. Forcing both cores online is a bad idea. It will literally kill your battery in a matter of a couple of hours. ICS will hopefully be different and utilize the cores how they should be, saving some battery and giving the amaze longer battery life!
On the other hand reducing reducing clock frequency on screen off will help in battery life (obviously).

seansk said:
If you've been following this thread, just wanted make a quick update...I want to give you my results with system tuner tweaking. Forcing both cores online is a bad idea. It will literally kill your battery in a matter of a couple of hours. ICS will hopefully be different and utilize the cores how they should be, saving some battery and giving the amaze longer battery life!
On the other hand reducing reducing clock frequency on screen off will help in battery life (obviously).
Click to expand...
Click to collapse
I was noticing the same. It eats more battery. Have u tried reducing the frequency when screen off and by how much? U still r stock rom?
Sent from my HTC_Amaze_4G using xda premium

Felinos11 said:
I was noticing the same. It eats more battery. Have u tried reducing the frequency when screen off and by how much? U still r stock rom?
Sent from my HTC_Amaze_4G using xda premium
Click to expand...
Click to collapse
yes still stock rooted, I put the governor on conservative and put the frequency to 384 or around there, while screen is off.
What helps most I found out is turning off all the radios like wifi and network data, (basically putting phone on airplane mode). Instead of dropping down 15 percent in 6 hours it drops like 3 when I turn airplane on. But like I've said before it's unrealistic I'm always recieving google talk, google voice, facebook updates and I have to have both of these on which unfortunately eats a lot of battery.
I keep switching back and forth between faux's kernel and stock and I'm actually finding stock gives me better battery life for some reason. Even though I set the clock speeds on both at 1.5 ghz.

seansk said:
yes still stock rooted, I put the governor on conservative and put the frequency to 384 or around there, while screen is off.
What helps most I found out is turning off all the radios like wifi and network data, (basically putting phone on airplane mode). Instead of dropping down 15 percent in 6 hours it drops like 3 when I turn airplane on. But like I've said before it's unrealistic I'm always recieving google talk, google voice, facebook updates and I have to have both of these on which unfortunately eats a lot of battery.
I keep switching back and forth between faux's kernel and stock and I'm actually finding stock gives me better battery life for some reason. Even though I set the clock speeds on both at 1.5 ghz.
Click to expand...
Click to collapse
is the stock rom any better? Im thinking to switch to stock now X left..

Felinos11 said:
is the stock rom any better? Im thinking to switch to stock now X left..
Click to expand...
Click to collapse
never used bulletproof for more than a day or beastmod for more than a day. I hear beastmod gives much better battery life. I'm sticking to stock for now until ICS comes out.

seansk said:
never used bulletproof for more than a day or beastmod for more than a day. I hear beastmod gives much better battery life. I'm sticking to stock for now until ICS comes out.
Click to expand...
Click to collapse
They have maybe a bit better battery life. I went back to stock.
Sent from fingers to your eyes ¦I

Battery Life
Major battery drain is the screen, when on eats up all the juice, dimming helps a bit
charge source: usb vs AC charge
usb charging takes quite a while, AC charge quicker (~ an hour)
Also, from my observation, usb charged battery runs out quicker than AC charge
Data Connection, Juice defender helps a lot
turn off sync you don't need, like HTC sense
if something is eating up your battery, use this http://market.android.com/details?i...ePad&utm_medium=app&utm_campaign=contextpanel. The thread is located http://forum.xda-developers.com/showthread.php?t=1179809

heyodee said:
Battery Life
Major battery drain is the screen, when on eats up all the juice, dimming helps a bit
charge source: usb vs AC charge
usb charging takes quite a while, AC charge quicker (~ an hour)
Also, from my observation, usb charged battery runs out quicker than AC charge
Juice defender helps a lot
turn off sync you don't need, like HTC sense
if something is eating up your battery, use this http://market.android.com/details?i...ePad&utm_medium=app&utm_campaign=contextpanel. The thread is located http://forum.xda-developers.com/showthread.php?t=1179809
Click to expand...
Click to collapse
well the problem is its not my screen. It's when the phone is idle, I usually lose about 15 to 20 percent over night. if I turn off the radios it drops down to about 3 to 4 percent overnight....like I said before I can't turn off the radios...I constantly use google voice, google talk, facebook. And they require both a cell connection and a data connection. I hate to pay for more apps...I've already paid for a bunch of apps to control and see my phone's usage of cpu and battery...is the app really worth it? wish they had a lite version

seansk said:
well the problem is its not my screen. It's when the phone is idle, I usually lose about 15 to 20 percent over night. if I turn off the radios it drops down to about 3 to 4 percent overnight....like I said before I can't turn off the radios...I constantly use google voice, google talk, facebook. And they require both a cell connection and a data connection. I hate to pay for more apps...I've already paid for a bunch of apps to control and see my phone's usage of cpu and battery...is the app really worth it? wish they had a lite version
Click to expand...
Click to collapse
Juice defender is worth it (Very configurable)
If you want to know what is eating away at your battery when phone is suppose to be sleeping, the battery stat is

heyodee said:
Juice defender is worth it (Very configurable)
If you want to know what is eating away at your battery when phone is suppose to be sleeping, the battery stat is
Click to expand...
Click to collapse
I have juicedefender ultimate, used it for a while actually...the only good use of it is turns off radios all other things when screen is off..all other things are negligible to battery life...I currently don't use it anymore. I tried multiple things/tweaks with it for about two weeks,...NO point lol...I want to be able to get my google talk message and my google voice texts, it annoyed the hell out of me when someone had sent something like 2 hours before and I would just get it when I woke my phone!!! I tried all kinds of things...but the only thing that actually worked was turning off radios during screen off which I don't want...I can't win lol....I can't have my cake and eat it too!!

seansk said:
I have juicedefender ultimate, used it for a while actually...the only good use of it is turns off radios all other things when screen is off..all other things are negligible to battery life...I currently don't use it anymore. I tried multiple things/tweaks with it for about two weeks,...NO point lol...I want to be able to get my google talk message and my google voice texts, it annoyed the hell out of me when someone had sent something like 2 hours before and I would just get it when I woke my phone!!! I tried all kinds of things...but the only thing that actually worked was turning off radios during screen off which I don't want...I can't win lol....I can't have my cake and eat it too!!
Click to expand...
Click to collapse
while you sleep, you won't be checking for emails will you? but you expect to wake and see emails received.... that is where it comes in handy. with apps like tasker, you can automate some of this activities. tasker + syncer should be a good combo for you.

seansk said:
well the problem is its not my screen. It's when the phone is idle, I usually lose about 15 to 20 percent over night. if I turn off the radios it drops down to about 3 to 4 percent overnight....like I said before I can't turn off the radios...I constantly use google voice, google talk, facebook. And they require both a cell connection and a data connection. I hate to pay for more apps...I've already paid for a bunch of apps to control and see my phone's usage of cpu and battery...is the app really worth it? wish they had a lite version
Click to expand...
Click to collapse
For what it is worth I am running BulletProof 2.3.1 and last night I took phone off charger at 10:00 PM, alarm goes off at 3:30 snoozing every 15 min until 4:15...Battery was at 100% still. It is now 7:00 AM and battery is at 96%.
This was after flashing back to BP around 8:00 PM.

I've noticed the same type of activity when in Airplane mode. Extremely low power consumption - fantastic.
Is it possible maybe to undervolt the Wifi/BT/Mobile radios? Would that make any difference or am I off base here?

seansk said:
I have juicedefender ultimate, used it for a while actually...the only good use of it is turns off radios all other things when screen is off..all other things are negligible to battery life...I currently don't use it anymore. I tried multiple things/tweaks with it for about two weeks,...NO point lol...I want to be able to get my google talk message and my google voice texts, it annoyed the hell out of me when someone had sent something like 2 hours before and I would just get it when I woke my phone!!! I tried all kinds of things...but the only thing that actually worked was turning off radios during screen off which I don't want...I can't win lol....I can't have my cake and eat it too!!
Click to expand...
Click to collapse
You had something setup wrong then I think.. you can change how often in syncs while the screen is off, the default setting is for it to turn on data for 1 minute every 15 minutes. Most people don't need to know things so bad that they can't work with a 14 minute delay(at worst), and of couse the internet is on while screen is on, when you're actually using it.
I thought I would need to use juice defender, but since I switched to bulletproof, my usage last me an entire day. From 8am till 1am, usually with some to spare. The only tweak I made to cpu was to enable 192mhz, it isn't like there is a performance drop, but it did make a notable difference in battery life.
If I wanted to I could use juice defender to get more than one day out of it, and I keep a spare battery on me in case I really need to use the phone.. but haven't really needed it.

eichenberg said:
For what it is worth I am running BulletProof 2.3.1 and last night I took phone off charger at 10:00 PM, alarm goes off at 3:30 snoozing every 15 min until 4:15...Battery was at 100% still. It is now 7:00 AM and battery is at 96%.
This was after flashing back to BP around 8:00 PM.
Click to expand...
Click to collapse
How many apps have you installed?

Related

[Q] JuiceDefender Settings & Battery Life

Hey everyone,
Ive head nothing but raving about the App Juice Defender and Ultimate Juice. Im personally having really bad battery life on my vibrant, and seems everyone is recommend this app. Im not running OCed, currently using Voodoo, have cycled battery recently, and I get around 6-8 hours on a battery. Although I know i'm somewhat of a high powered user, I think I should be getting better.
What is everyone using for settings in Juice Defender for settings, and is it really helping your battery life?
Thanks!
zimphishmonger said:
Hey everyone,
Ive head nothing but raving about the App Juice Defender and Ultimate Juice. Im personally having really bad battery life on my vibrant, and seems everyone is recommend this app. Im not running OCed, currently using Voodoo, have cycled battery recently, and I get around 6-8 hours on a battery. Although I know i'm somewhat of a high powered user, I think I should be getting better.
What is everyone using for settings in Juice Defender for settings, and is it really helping your battery life?
Thanks!
Click to expand...
Click to collapse
I would also like to know this??
Master™ said:
I would also like to know this??
Click to expand...
Click to collapse
Sorry to semi-thread jack... But from what i understand, one of the main features of juice-defender is that when your screen is off, so is mobile data. I used google voice for all of my sms, would they still come through if there was mobile data off?
The K-Zoo Kid said:
Sorry to semi-thread jack... But from what i understand, one of the main features of juice-defender is that when your screen is off, so is mobile data. I used google voice for all of my sms, would they still come through if there was mobile data off?
Click to expand...
Click to collapse
No because GV uses data
Juice Defender will definitely save you battery, but it depends what type of user you are.
I used to love this app. It was one of my top 3 apps and I recommended this app to everyone I knew. It saved me a few hours of battery life with the default settings. But one day I decided to turn it off to see how my phone would preform. I noticed that JD slows down my phone (not too much, but since I play with my phone a lot, I do notice a difference). I kinda figured this since every time I turned my screen on, it would have to reconnect itself to 3G. It got a bit of annoying, but I'm pretty sure it won't bug that many people.
Now, my friend uses this app as well, and he gets amazing battery life with JD enabled. He only turns on his phone when he needs to (check email, responds to text, picks up a call, etc.)
So for the past month or so, I have stopped using JD. I'm the type of guy that touches my phone every 30 min or so. I like turn it on and mess with it just for the hell of it. So if you're like me, then I do not recommend this app, since you will notice a slight lag after turning the screen on with JD enabled.
Now if you're at work and only check your phone when you have to, then I highly recommend this app. It will definitely save you battery life. Don't know too much about the settings since I haven't touched it in awhile, but I mainly left it at the default settings.
Another tip that I noticed that saves battery is orientation. Ever since I disabled it in settings, I do notice a battery increase (I'm guessing the sensors are not always on causing it to save more battery?) Hope this little review helps zimp.
You can set it to turn on every 15 mins or whatever so you can still get your messages. I didn't like how it keep turn off my data every time the screen turned off even if it was only for a sec. I'm not convined that continually turn data on/off improves battery. If you leave phone on stand by for several hours then maybe, but I don't think a.power user gets much benefit from it. Also it is always running in the background so just having a widget to switch to plane mode might work better for you.
I actually used both and ended up uninstalling.. didn't really see much of a difference. look at my mods on my signature.. those nearly doubled it. i used juice plotter to graph the difference. that and I manually disable mobile and wifi with the power widgets. ya i spend a second pressing the button but works out better that way for me. so save the money and just disable it yourself.
also that when you use defender it takes a while for the data to turn back on when you open the screen compared to using the widget.
in short defender is basically you using the widgets but it does it automatically. BUT you are using an app to run all the time in the backround and that itself uses battery life... when i went to bed and turned off mobile and wifi. with my mod i didnt not lose 1% for those 8 hrs.. and went a full 24 hrs with no recharge..
i also have no task manager or cache cleaner.
real battery life depends on MOD, kernel, radio, and how you use it. these apps in my opinion are a waste. but it's up to you ...
cnrdjkr said:
I actually used both and ended up uninstalling.. didn't really see much of a difference. look at my mods on my signature.. those nearly doubled it. i used juice plotter to graph the difference. that and I manually disable mobile and wifi with the power widgets. ya i spend a second pressing the button but works out better that way for me. so save the money and just disable it yourself.
also that when you use defender it takes a while for the data to turn back on when you open the screen compared to using the widget.
in short defender is basically you using the widgets but it does it automatically. BUT you are using an app to run all the time in the backround and that itself uses battery life... when i went to bed and turned off mobile and wifi. with my mod i didnt not lose 1% for those 8 hrs.. and went a full 24 hrs with no recharge..
i also have no task manager or cache cleaner.
real battery life depends on MOD, kernel, radio, and how you use it. these apps in my opinion are a waste. but it's up to you ...
Click to expand...
Click to collapse
I am using Bionix 1.3 with KingKlick and I have been using it pretty heavily all day and I have about 75% left on battery (It's 5:30 PM right now)
I noticed way better battery life after uninstalling this app. At night, my battery would make it through with just 10% without changing, and half way through the next day. With JD, my battery dropped down to 2% when I would wake up.
Not for me.
To op, I used Juice Defender and Ultimate Juice and noticed it would slow my phone down and I would miss syncs and my information would go out of wack. I found the best way to conserve battery as an overuser is to turn off 3g. I use 2g 3g switcher. It allows you to switch between 3g and 2g. I gained at least 6 more hours on a full charge by turning it on only when I need the 3g speeds. Ie: downloading and surfing the net. For everything else Edge was more than enough. I went from roughly 12 hours medium-heavy use to 20-24. I'm also using Jac's uv voodoo kernel and vibrant 9.
I hope this helps,
Russ
HG! said:
I noticed way better battery life after uninstalling this app. At night, my battery would make it through with just 10% without changing, and half way through the next day. With JD, my battery dropped down to 2% when I would wake up.
Not for me.
Click to expand...
Click to collapse
Agreed, I noticed an increase in battery life after uninstalling jd.
I did get better batery life after installing JAC's kernel (with undervolting) on top of bionix 1.3. I did not oc, yet. I read in the op you use vodoo, there is a JAC's kernel with voodoo written in with it now, but the process from going from your stock with voodoo to a new kernel with voodoo is admittedly beyond my experience level to talk about. That might garner some research on your part. The undervolting written into the kernel does extend battery life, I've been off my charger since about 9 this morning, normal to heavy use, currently at 43 percent battery left.
Sent from my SGH-T959 using XDA App
use Tasker app. much better then JuiceDefender and much more options.....pretty much endless options. and it also supports all Locale Plug-ins.
Thanks for the recommendations! Interesting that so many of you actually had worse battery life after using it. May try it for another day and see how it works out.
Regarding the voodoo, I am still testing to see if voodoo uses more power or not. Theoretically it shouldn't, but who knows. its extremely easy to enable\disable voodoo, so easy that its worth keeping even if you keep it disabled, as its the same kernel as JAC's UV but + voodoo.
Appreciate the responses. I will play w/ JD for another day or so, will try tasker, adn see which has the best results.
To those that were worried about syncs like Voice, Emails, tweets, etc, its really easy to set it up so that those processes arent interrupted, especially w/ the ultimatejuice. I have it set up so it still syncs and background data apps like pandora work fine, just interested in everyones experience
Zim, I was having battery drain issues with jac's oc-uv kernel until I did the cycle/reset batt stats. Not I am getting GREAT battery life! You prolly already tried it but if not give it a shot.
Juice Defender has increased my battery life by x2.22...........really remarkable this program is!
Droid Incredible
Master™ said:
I am using Bionix 1.3 with KingKlick and I have been using it pretty heavily all day and I have about 75% left on battery (It's 5:30 PM right now)
Click to expand...
Click to collapse
Ha that's funny.
Sent from my Vibrant using
Axura 2.3.1.0
OverStock
KB1
Ginger Blue Theme
Black Market
TouchWiz MMS & Music Player

terrible battery life!

Hi all, I'm new to this part of the xda forums as I had a nexus before, just got the upgrade to the Atrix, rooting,unlocking of bootloader everything went well but I just flashed Aura's from with feux kernel and im getting really really bad battery life, like I'm talking 4-5 hours. There is one process thats really confusing me, its just called "x" and its sitting there taking about 35% battery, my screen is taking 55% battery.
It's getting really annoying as my nexus used to give me about 12 hours and the only reason I moved to the atrix was to get the better battery life that I saw with all my atrix touting friends (they all had 1-2 days battery life) I'm about to flash homebase and see if that fixes it but I don't know whats going on. I have a UK MB860 and I used http://forum.xda-developers.com/showthread.php?t=1196747&highlight=t-mobile+root to root. Pleaseee can someone help!
X is the webtop and there is a fix somewhere for that (doesn't completely work). Just flash CM7 beta. Its much better than any other ROM and has the best battery life. Everything except the finger print scanner and webtop work.
Also I had really good battery on the Ying Yang ROM.
Speedily sent from CM7 Beta
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
amzter said:
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
Click to expand...
Click to collapse
I haven't had any issues with it. And the gain is very odd.
Speedily sent from CM7 Beta
Try alien, i had some battery issues with some other roms and kernels and tried alien and all is good.This phone comes with an 1930Mah battery one of the largest i've ever seen and it lasts me 12 hrs on heavy use.
battery stats
I've had great battery life on the atrix, now I'm getting a good look at the atrix on the 4800mah battery. I'm a heavy user and I could not get over 24 hours. And now I have 59 hours and I have yet to actually see how far I can take it. Cm7 beta. Juicey....
I find that all gingerbread roms have horrible battery life compared to froyo on the atrix. Cm7 battery is worse but the phone is smoother. Faux 1.3ghz kernel has even worse battery.
Regardless of the radio or magical method of resetting the battery state you use.
1:25 screen time and at 47% battery. Been off the charger for 6:15. It will make it through my 10hr shift with about 20% remaining if I'm lucky, usually I just toss it on the charger.
Background data is off, email and social apps are manual sync and wifi is off.
Sent from my MB860 using XDA Premium App
one weird thing I am seeing is the display which is at 0% brightness is using 91% battery
Also the better battery stats app says my actual battery is 91% but the phone is reporting 66% I wiped thenbattery stats but nothing!
please help!
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
ian426 said:
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
Click to expand...
Click to collapse
I was just about to post that lol. Also make sure every time you flash a new rom you are at 100% if not that is a sure fire way to cheat yourself out of battery life. I don't know if I'm just one of "the lucky ones" but I easily get over 16+ hours with moderate usage. I'm running CM7 beta with quite a few things frozen.
Ok so I followed the guide to perfection and it didn't improve the battery life one bit! I'm trying hard to find a t-mobile radio I can flash as I have read around it could be my radio that is the culprit and I am also getting rubbish HSDPA readings, I should be getting full bars but since switching to homebase Im only getting one bar.
Using watchdog I have noticed that the Xorg process is using over 50% cpu which does not seem right to be and I believe that because its a linux process Watchdog can't kill it. Is there anyway of fixing this?
1) Uninstall Tango, Facebook and Handcent SMS if any of the three are installed. They are huge battery drainers and you can find less battery hogging substitutes
2) Freeze any unnecessary apps, I believe there is a thread somewhere in the General section that has a pretty decent freeze list (if you flash CM7, you will have very little to freeze but that's good!)
3) Keep brightness down to a minimum when you can, I've noticed kicking the brightness up rather high can be pretty demanding on your battery
4) Set SetCPU Profiles to something like this...
Screen Off 216/216
Charging 1100/216
In Call 456/216
Battery <20% 456/216
Battery <10% 216/216
5) If you have the proper kernel set the CPU govner to power saver.
6) Undervolt, test yours and never apply set on boot unless you are positive it's stable, mine are something like this...
1100 MHz -50mV
1000 MHz -50mV
912 MHz -50mV
750 MHz -50mV
608 MHz -100mV
456 MHz -150mV
216 MHz -200mV
This way when you're phone is idling with the screen off, in a call or low on battery it is undervolting heavily to save maximum amounts of battery
With this setup I can get 30+ hours pretty regularly with moderate-to-heavy usage (weekdays/non-work days), 22-25 hours with more heavy usage (work days) and close to 48 hours with little usage (weekends).
It all depends on your usage and your phone but I have found this setup here to work fairly well.
I am currently on CM7 Beta, stock CM7 radio and stock CM7 kernel, running at 1100/216 when above profile conditions aren't met. 32% been running since 9 am this morning, it is now 3:15 am, today was a long workday.
I can almost guarantee (almost) that its your rom/kernel combination. Had same problem til I changed.
Sent from my MB860 using XDA Premium App
fastboot erase osh
That will nuke your webtop & fix your problem.
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
amzter said:
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
Click to expand...
Click to collapse
Watchdog eats battery like a mthrfckr, get away from that. Install BetterBatterStats instead & look for wakelocks. Which linux process are you noticing with that high cpu usage?
How many hours of screen time do you get in those 10 hrs?
Have you tried with a fastboot wipe & internal storage format prior to installing a new rom? Are you using the latest recommended radio for your phone?
amzter said:
please help!
Click to expand...
Click to collapse
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
ccrows said:
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
That's a bit radical, no?
I'd say use Green Power so the phone can update every half hour or hour. It's a smartphone at the end of the day..

Does juice defender actually HURT battery time?

So, I went to sleep at full charge, took it off the charger to see how my drain was....I woke up 6 hours later and it was at 64%. I took a look at partial wake locks and it looks as follows (I can't upload .png from my phone)
RILJ (Dialer) 205s count 2178
juicedefender 3019s count 1570
Alarm manager 1543s count 1320
Google services event log also has a pretty high count. I ran the "battery fix" and all that jazz,recalibrated my battery,not sure why drain is so terrible?
Could someone please help me out?
I am running cm7 with faux 0.2.0 1.3 kernel. I have it undervolted and profiles so it never goes above 1ghz unless on ac charger. (456 when screen is off)
Sent from my MB860 using XDA App
I'm not sure how much it helps you with your issue, but for me JuiceDefender works very well. I would otherwise have a multitude of data sync apps such as Gmail running, and this limits it while periodically enabling sync.
Start tweaking what apps are using data and the battery life will be better.
I have had a problem the same where I am not so sure juicedefender is helping because I tend to set my phone on the desk when I do homework and the screen comes on after I put into sleep mode and then no more that 5 seconds later it turns on at about 25% screen brightness then jumps to 100% them dims to 25% then goes off, all in a matter of between 10-20seconds. I loom at the battery use area in settings and standby is at least 40% & display is right under and idle is next. my settings that I think may be causing this are the mobile data where the autosync is set at enable (in juice defender) & I tried ping but it does the same thing. I just want to know why the screen comes on ever 5 seconds. I don't know how to contact the developer to try and resolve my problem. I am actually on a thunderbolt but that shouldn't matter. I just wanted to reinforce that "i'm not sure juice defender is working as I get about the same battery life".
Xoom Xoom
I get double the life out of the same roms. I'll try a rom for a day then run juice defender and get a day and a half. Depends on how you have defender setup. The only thing I don't like it doing is disabling my wifi as It sometimes won't reconnect back unless I manually do it. I think setcpu is a joke though. I had it set for 216/456 at screen off and it was running at 1200 for 1/2 the time it was supposed to be asleep. Then whne I opened it up...(Battery less than 50% stay below 1000) and the screen booted up 1300. So to me it's an extra service I don't need.
JD has always given me more battery life on any rom that I have tried.. I recently got rid of it and am trying out GreenPower. so far GP seems to work a bit better than JD. I get a bit more life out of my batter than JD gave me.. try green power out if JD is not cutting it for you.. GP seems a bit lighter as well.. so, could be overall why get more battery life out of it..
Zug
Juice Defender seemed to do little to nothing for my phone. I got rid of it and my battery life remained the same. I can't say the same for everyone else but what works for you might not work for the next guy.
All I'm simply saying is give it a shot and test it out religiously before you make a decision to use it or not.
Works for me another good thing to do if you use set CPU underclock the hell out of it when the screen is off not using it so why not
Sent from my MB860 using XDA App
My setCPU profiles are as follows:
CPU > 62.0c 456/216 (Priority 100)
Screen off 456/216 (96)
In Call 456/216 (75)
Charging AC 1300/216 (74)
Battery < 20% 608/216 (59)
Battery < 10% 456/216 (54)
Phone is otherwise capped at 1ghz
I have JD configured to run my syncs once every 15 minutes for 1 minute. It is also disabling mobile data while the screen is off and wifi when inactive for 1 minute.
Not sure what else I should do here? Should I re-flash CM7 with the battery @ 100%?
kisnerct said:
My setCPU profiles are as follows:
CPU > 62.0c 456/216 (Priority 100)
Screen off 456/216 (96)
In Call 456/216 (75)
Charging AC 1300/216 (74)
Battery < 20% 608/216 (59)
Battery < 10% 456/216 (54)
Phone is otherwise capped at 1ghz
I have JD configured to run my syncs once every 15 minutes for 1 minute. It is also disabling mobile data while the screen is off and wifi when inactive for 1 minute.
Not sure what else I should do here? Should I re-flash CM7 with the battery @ 100%?
Click to expand...
Click to collapse
Install the battery calibration app and see if your charge at 100% shows 4000mV+, if it doesn't, that means your calibration is off and you need to search for juggernaut's battery thread and follow the instructions on that to fix your calibration.
Kraize said:
Install the battery calibration app and see if your charge at 100% shows 4000mV+, if it doesn't, that means your calibration is off and you need to search for juggernaut's battery thread and follow the instructions on that to fix your calibration.
Click to expand...
Click to collapse
It shows me at 4196mV at 99%,( unable to get past that)
Sent from my MB860 using XDA App
Barely saw any gain using JD...only used it on my Dell Streak though. The atrix will go 2 days if I need it to so I don't see any need for JD.
I m using JD for nearly 2 years now and I have to say that it DEFINITLY improves battery-life - just by letting it switch off your 3G when you don´t need it you save a lot of juice.
When I still used my Captivate as my DD, JD helped alot. With all the firmware leaks I was reflashing my phone all the time and constantly testing different kernels/roms/apps for battery life.
On my Atrix, it hasn't seemed to help nearly as much. Not sure why... SetCPU with faux's OC/UV kernel has boosted battery significantly though.
I got lots of wakelocks using it. For me it's better to turn off data manually.
Sent from my MB860 using XDA App
DavidNL said:
I got lots of wakelocks using it. For me it's better to turn off data manually.
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
+ 1, it instantly topped the wakelocks. I thought I'd give it a go & bought the full version; un-installed 6 hours later. Maybe it works well on cm7? I'm on Nottach's Dark Side.
Back to good ol' green power.
Vangelis13 said:
+ 1, it instantly topped the wakelocks. I thought I'd give it a go & bought the full version; un-installed 6 hours later. Maybe it works well on cm7? I'm on Nottach's Dark Side.
Back to good ol' green power.
Click to expand...
Click to collapse
Switched to green power
and now I get at least 12 more hours versus juice defender...crazy!
Sent from my MB860 using XDA App
Interesting. I'll have to try green power. JD said my battery multiplier was 2.10x when I used it. It could just be making that up though. I got 28 hours of life from the atrix and still had 40% battery left (moderate usage: frequent texting and periodic data+wifi usage, I think a 20-30 minute phone call too)
I swtiched to green power. Didn't notice much of a difference in battery life, but Gp is certainly a lot easier to use.

Will the people that get awesome battery life share what they are running?

I've tried a bunch of different combinations but I have gone back to GB every time. I don't even care about features anymore I just want to get the most out of my battery life. If you are getting great battery life will you post your kernel, firmware, and ROM please? Please post if you are on Ext Batt or not.
Thanks
I have an extended battery and I think my battery life is really good. Primarily, I turn off most automatic syncing and keep my screen turned down as low as possible at all times. I use a widget called Brightness Level and I keep it at 13% most of the time. I also keep GPS, Bluetooth, and WiFi off unless I specifically need them. Other than that, I'm not doing anything special. I'm on Clean ROM 4.5 Standard.
Sent from my ADR6425LVW using XDA
I think the biggest culprit is the screen. I'll get varying battery life every day, anywhere from 2 to 12 hours on a standard battery, or 4 to 30 hours on extended.
The only common factor in each of these for me is screen-on time. I'll get 1.5-2 hours on standard or 3.5-4.5 on the extended battery before it dies.
However, as previously mentioned, turning off Bluetooth, wifi, GPS, mobile data, and sync will always help battery life. Too bad I rely heavily on some form of data, email, and Bluetooth headsets for my work.
Sent from my Rezound using xda premium
All in my sig.
I've got a system...
I usually can get through the day with a regular battery; a few things to remember:
1) Mail/messaging/anything push
if you can deal with it, set peak hours from like 7am to 7pm and get stuff every two hours during peak and every four hours during off-peak. Push means your phone is actively waiting or doing something almost all the time. This one single thing will make the biggest difference, except for...
2) The Display
The biggest energy hog of all. Actually not much you can do here but set it to time out quickly (a minute or less) and set to either auto brightness or remember to turn it down indoors.
3) Audio
Running audio through the speakers also uses more battery. Try headphones.
Bluetooth audio is great but again bluetooth also uses more energy than headphones.
4) Networking startup services
Lots of games install startup services that run constantly in the background checking for data from the mothership and/or other players. Get rid of them or turn them off if you can. Some apps also do this, I dont have a list but a little Googling will enlighten you.
Any other tips? I'm always looking for other (reasonable) ways to save battery.
PS: as you probably know, the phone (and any smartphone) will charge about %500 faster if its completely turned off. Common sense, I know, but you'd be surprised...
this will keep you going all day:
http://www.amazon.com/Xantrex-XPowe...IC/ref=sr_1_12?ie=UTF8&qid=1337500958&sr=8-12
Seriously though, if you actually use your phone throughout the day, its probably better to just get the extended battery. Anytime you turn the screen on, it sucks battery.
You can try juice defender. I have it set to extreme and tell it which apps can turn on data with and without screen on, so 4g is only on when it needs to be.
I've heard ROM toolbox can keep apps from opening in the background but haven't paid for it yet. This would be good for games like draw something and WWF that seem to suck power constantly.
Thanks for the replies. I changed my power from performance to normal and that made a big difference because the phone won't sleep in performance mode. Just a note it will still sleep data even though my hotmail is on push. I am using the hotmail app not the htc mail app. I see people with 3+ hours of battery life in the battery thread and I don't see how they do it. I have the extended and I can make it through a day but I only use the screen for under an hour it seems. I'm not really seeing anything new in here I'm not doing but I do keep my screen auto a lot so I might jack that down. I keep every feature off when not in use.
I'm using stock rooted 3.14.605.5 with same firmware and over been getting better battery life since flashing.
I'm mad as hell about losing unlimited data!
nrfitchett4 said:
this will keep you going all day:
http://www.amazon.com/Xantrex-XPowe...IC/ref=sr_1_12?ie=UTF8&qid=1337500958&sr=8-12
Seriously though, if you actually use your phone throughout the day, its probably better to just get the extended battery. Anytime you turn the screen on, it sucks battery.
You can try juice defender. I have it set to extreme and tell it which apps can turn on data with and without screen on, so 4g is only on when it needs to be.
I've heard ROM toolbox can keep apps from opening in the background but haven't paid for it yet. This would be good for games like draw something and WWF that seem to suck power constantly.
Click to expand...
Click to collapse
Man, That's some serious ****
I generally get great battery life-around 4 hours screen on, 4g, gps. However, a few days ago I noticed higher than normal temps, and poor battery life.
So what changed?
I traced it to the installation of one free app. Picsart-uninstalled and everything is peachy again.
This is my second rezound, the first one always ran hot and drained the battery.
If you're having problems with heat and drain, run a full ruu and see if it helps, if not you may have a bad device or possibly a bad sim. I don't think that the device is the problem in most situations. More likely a runaway app, bad radio/firmware/build combo, user error, or expectations too high.
My setup:
Latest ruu-cleanrom de 1.4-take it easy on the apps and widgets!
Sent from my ADR6425LVW using xda premium
This is pretty typical. I'm on newest leak and firmware and cleanrom pro 4.5.
We're pretty close.
Sent from my ADR6425LVW using xda premium
SightSeeker said:
This is pretty typical. I'm on newest leak and firmware and cleanrom pro 4.5.
Click to expand...
Click to collapse
Your issue may lay mostly in poor reception. I notice your signal strength thing is in yellow most of the time. Use WiFi if you can. I get pretty good battery life on
Ineffibilis GB
Feb OTA firmware. Don't remember the numbers.
Dsb 1.1.3 undervolted by about 100mv via incredicontrol (UV depends on the device, each is diff) and under clocked to 1188mhz and with interactive governor.
I think my power setting is on Normal.
Also I have weather sync every 3 hrs. Facebook every 4 and leave my Gmail accounts on sync.
I get between 3.5 and 5 hours every day of screen on time through out the day if I'm using my phone a lot. This would also be coupled with usually around 30 minutes of phone calls too. But usually I only charge it every other day (when it gets to around 30%). I get more time out of it on WiFi (5+ hrs and less on 4G (3.5 to 4 hrs at most throughout the day). I also never run my phone down to less than 20% if I can help it. I'm on stock battery too
SightSeeker said:
This is pretty typical. I'm on newest leak and firmware and cleanrom pro 4.5.
Click to expand...
Click to collapse
That battery life isn't great if you're only using 9m of screen on time. 60% after 5 hours isn't unusual for me if I have medium usage of my phone. Like platinum mentioned, your signal is terrible. The Rezound (and most phones) tend to use a lot of battery if they're trying to constantly find a signal.
Right. Battery should only drop 1 to 2 percent per hour on good signal. Bad signal can kill it... If I was on 3G my phone would be around the mid 90s with the same usage.
destro158 said:
That battery life isn't great if you're only using 9m of screen on time. 60% after 5 hours isn't unusual for me if I have medium usage of my phone. Like platinum mentioned, your signal is terrible. The Rezound (and most phones) tend to use a lot of battery if they're trying to constantly find a signal.
Click to expand...
Click to collapse
Does it matter if I turn off data or it will still drain looking for cell signal?
As long as you don't have partial wake issues, there are only two real concerns for battery.
It's not processor. Again, if the phone's not 'awake' while the screen is off, your phone's processor is not ramping up to full speed at all. While it's on and in your hand, 1.5ghz is a great speed for it to operate. Slower speeds than that significantly slow down how your phone operates, and you will have your screen on for seconds longer (Which uses WAY more battery than the higher clock speed).
In Facebook app, go to menu > settings > and change the refresh interval to NEVER!!!
As of Android 2.2, Facebook does push notifications. You don't need Facebook refreshing very 4 hours (OR EVER!). This wakes up your phone (ramps up processor speed, and so on), uses data (battery), and is unnecessary (since you get push notifications anyway). Turn that crap off. Same with Twitter. Turn it down to manual refreshing only (look in settings > accounts and sync as well as in the app). Same with Friendstream (which will automatically have its own refresh settings - fix them).
There are two things that use your battery.
1 - Screen. Turn your screen off when you're not using it. Stop turning your screen on every 12 minutes to 'see if you have any notifications'. Trust the green LED blinking light, or listen for your phone. You can stop checking it. You're using a TON of battery lighting up that 4.3" screen AND waking the phone back up (ramping up the processor, among other things, and it will stay awake for at least minutes, even after the screen goes back off).
2 - Data. Turn wifi off if you're not using it. Turn Mobile Network (GASP!) off when you're not using it. Pull down your notifications and hit Quick Settings, and turn Mobile Network off. Don't have that? Make the HTC Widget > settings > Mobile network. Turn it off when you're out with your friends after midnight. a) you're not going to post anything reasonable or coherent when you're out drinking anyway to Facebook, and b) call and text still works, so you can still mack on honeys all night (and text them drunkenly). You don't need your damn Gmail at 1am. I know you don't. Don't try to convince me otherwise.
If you keep your screen time to a minimum (and brightness down if you're not using auto brightness), and TURN OFF mobile network (internet) when not using it, your battery will last DAYS. Yes, the stock battery. Now, do you do 100+ texts per day? Sorry, your battery is going to die today. And tomorrow. Every day. The screen time murders the battery, and the Wake time that your phone will have as a result (like every time the phone lights up - for minutes at a time, it'll stay 'awake').
That's how you keep your battery going. On any android phone. Yes, an extended battery works great. I bought one (half price in a verizon store) AND got an EXTRA one for $4 (on amazon.com). Yes, it's for thunderbolt, but YES it's the same part number. It's running my phone right now. Keep it charged, and in your glove compartment. Your life will be better.
http://www.amazon.com/dp/B0055OTNK4/ref=pe_175190_21431760_C1_cs_sce_3p_dp_1
Go get it. Turn off your internet, and your screen. Trust your LED notification light. Stop using MMS Screen On. Your battery will last all day, every day. Unless you text a lot. Then, good luck.
1heffer said:
We're pretty close.
View attachment 1074955
Sent from my ADR6425LVW using xda premium
Click to expand...
Click to collapse
Oops, didn't catch your screen on time before-
Mine
Sent from my ADR6425LVW using xda premium
SightSeeker said:
Does it matter if I turn off data or it will still drain looking for cell signal?
Click to expand...
Click to collapse
In short, yes.
If u turn off data it will help. But you will still have poor signal, so Idk how much it will help. apps and processes that use background data won't be using it, that alone will keep your phone from reconnecting so much, so it will help.
It takes your phone longer to connect on poor signals and your speeds are slower so it takes longer to do the same things. This also keeps your processor running faster for longer times.

Awful Battery Life

My battery life is ridiculous. It doesn't use that much when the screens off but when it's on it uses 10% in about 15-20 minutes. I'm on a sense 4 rom and on senseless it's not much better. Even if I'm streaming music with the screen off, it's okay. It seems the screen is using a massive amount. Is there anything I can do? Thanks
davidetkin511 said:
My battery life is ridiculous. It doesn't use that much when the screens off but when it's on it uses 10% in about 15-20 minutes. I'm on a sense 4 rom and on senseless it's not much better. Even if I'm streaming music with the screen off, it's okay. It seems the screen is using a massive amount. Is there anything I can do? Thanks
Click to expand...
Click to collapse
Nope. Thats typical.
You'll get around 4 hours or so of continuous screen-on time, and thats IF you start with a full battery...
davidetkin511 said:
My battery life is ridiculous. It doesn't use that much when the screens off but when it's on it uses 10% in about 15-20 minutes. I'm on a sense 4 rom and on senseless it's not much better. Even if I'm streaming music with the screen off, it's okay. It seems the screen is using a massive amount. Is there anything I can do? Thanks
Click to expand...
Click to collapse
i get 2 hrs screen on. less if im playing games, currently im obsessed with dead trigger. ive been playing with my phone plugged in....
You can try slim rom. It worked a little for me. I have the same issue you're describing. Tho for me I also get drain while the screen is off as well due to being in a poor reception area most of the day. Also make sure ur brightness is no higher than 30%. Its just the phone man. The screen is a hog. Honestly I've Bern wondering if there's a way to turn off every other pixel on a hardware level or something cause frankly its ridic.
Sent from my ADR6425LVW using xda premium
Yep, the screen's the culprit, and it's pretty bad. Try JuiceDefender. If you get one of the advanced versions you can really conserve battery power while the phone's not in use, which will extend the power available for screen-on use. Also, you can reduce the CPU speeds a bit, which will also reduce draw and lower the heat.
I use JD Ultimate. My idle/standby time is now very nice, but as others have said there's only about 4 hours of use with the screen on.
I keep hoping the reason for the ICS release delay is because they're working on battery life issues. :sigh:
Thanks guys. I guess it just isn't great on battery life. I've tried juice defender and stuff like that but i was never a fan. I'll give it another try. It sucks to have 50% and the next time I look it's at 40... Haha. Is auto brightness better that doing it yourself?
Turn off any auto syncing and location services if they're not needed.
Sent from my Galaxy Nexus using Tapatalk 2
davidetkin511 said:
Thanks guys. I guess it just isn't great on battery life. I've tried juice defender and stuff like that but i was never a fan. I'll give it another try.
Click to expand...
Click to collapse
I wouldn't bother, JD has never worked well at all in the Rezound.
I have one of the paid for advanced versions of JD and I don even bother installing it anymore. I think my battery life was actually worse when running that.
My solution now is to use a mugen 4000 battery. That battery lasts so long I don't even bother to set a screen timeout anymore.
jmorton10 said:
I wouldn't bother, JD has never worked well at all in the Rezound.
I have one of the paid for advanced versions of JD and I don even bother installing it anymore. I think my battery life was actually worse when running that.
My solution now is to use a mugen 4000 battery. That battery lasts so long I don't even bother to set a screen timeout anymore.
Click to expand...
Click to collapse
Do any of those battery saving apps work?
I'm not crazy about big batteries. How is their 1900 one?
I've got about 15 hours once off newts sense 4 rom but with like 2 hours screen time. Screen time is really all that matters in deciding if ur battery lasts 5 hours or 15, unless u have things like music going on while the screen is off, but 2 hours or so is about all the screen time I can get
about 4 hours screen on with standard and 6 hours with ext battery
Same here, I've gotten up to 14-15 hours on a single charge, but with twoish hours of screen time. Other than the screen being a battery murderer on this phone, I've noticed that having poor reception really wreaks havoc on the battery also. I live in the sticks of PA where I'm in a crossover area, and continually switch between 2-4 bars signal of 1x, 3G, and 4G. And if I don't have a stable signal for a while, the phone will actually heat up and start discharging the battery due to constant searching for a signal. Sitting at work, full strength 4G signal, it only heats up when the screen is on for an extended period of time.
jmorton10 said:
I wouldn't bother, JD has never worked well at all in the Rezound.
Click to expand...
Click to collapse
JuiceDefender works fine on the Rezound. The problem is that the Rezound doesn't benefit from JuiceDefender as much as other phones do, mainly because it suffers from a different problem than other phones.
JuiceDefender's strategy is to shutdown nearly every radio and process in the phone when the screen is off and there's no active communications. This works, in the sense that if you turn off the screen with 98% power, you can turn it back on a couple hours later and the phone will still have 94% battery remaining. You won't get that kind of battery life if you're running a bunch of widgets and syncing email without JD.
But the Rezound's incredible screen (and even now it remains one of the very highest quality displays in the industry) draws a lot of juice when it's running. Not coincidentally, this is also the time when the dual cores are running at maximum speed, and the heat you feel on a Rezound that's been screen-on for a few minutes is the milliamps getting sucked from your battery.
Still, JuiceDefender can help here, too. You can tinker with the brightness curve to reduce your backlighting even with the dimmer set to "Auto," and you can tinker with the CPU speeds and the governor strategy. The phone does not need to run both CPU cores at full speed to feel responsive, and yet that's what it does by default. In the Ultimate version, anyway, JuiceDefender does a good job of capping that. In fact, with the right settings I can operate my phone indefinitely without overheating it. And any heat you can't feel is energy that's staying in the battery.
JuiceDefender does work. But it helps to have reasonable expectations. That display does draw a lot more current than most other phones, and this does limit your screen-on time no matter what else you do to conserve power.
I never really cared for JuiceDefender back when I used it on my Evo 4G. It seemed to just barely save me any battery and having to wait for the radios to turn back on after every unlock was annoying me.
I will suggest that if you have the Facebook app and you're regularly using it, it might be taking up tremendous amount of battery. If you want to keep using it, at least disable it from syncing.
Also, TurboProp works pretty nice in extending my battery life. I don't think it's just a placebo, either. I can go over 24 hours on a single charge thanks to it, and that's for the stock battery, too.
cpurick said:
JuiceDefender works fine on the Rezound. The problem is that the Rezound doesn't benefit from JuiceDefender as much as other phones do, mainly because it suffers from a different problem than other phones.
JuiceDefender's strategy is to shutdown nearly every radio and process in the phone when the screen is off and there's no active communications. This works, in the sense that if you turn off the screen with 98% power, you can turn it back on a couple hours later and the phone will still have 94% battery remaining. You won't get that kind of battery life if you're running a bunch of widgets and syncing email without JD.
But the Rezound's incredible screen (and even now it remains one of the very highest quality displays in the industry) draws a lot of juice when it's running. Not coincidentally, this is also the time when the dual cores are running at maximum speed, and the heat you feel on a Rezound that's been screen-on for a few minutes is the milliamps getting sucked from your battery.
Still, JuiceDefender can help here, too. You can tinker with the brightness curve to reduce your backlighting even with the dimmer set to "Auto," and you can tinker with the CPU speeds and the governor strategy. The phone does not need to run both CPU cores at full speed to feel responsive, and yet that's what it does by default. In the Ultimate version, anyway, JuiceDefender does a good job of capping that. In fact, with the right settings I can operate my phone indefinitely without overheating it. And any heat you can't feel is energy that's staying in the battery.
JuiceDefender does work. But it helps to have reasonable expectations. That display does draw a lot more current than most other phones, and this does limit your screen-on time no matter what else you do to conserve power.
Click to expand...
Click to collapse
Very good explanation cpurick. Totally agree with your assessment that the cpu cores need to be capped. Do you mind sharing your JD settings?

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