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Best rom for battery life

Pretty simple. What is the best rom with battery life for this phone? I rooted my girlfriend's phone and right now she's running cyanogenmod. Battery life doesn't seem that great though. Any suggestions on something to try out?
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ScaryStable Kernel, Scary Governor, 200mhz min 1600mhz max.
Review this thread as well:
http://forum.xda-developers.com/showthread.php?t=1262313
Also recalibrate your battery using battery left from the market.

Thanks. I'm an idiot. I meant to ask this for the evo 4g supersonic. I posted in the wrong section.
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[Q]Which battery saving app.

What battery saving apps do any of you recommend. I don't think I'm getting as good a battery life as I'm hearing others get. My battery usage stats say android system is using way too much......about 40 percent sometimes.
Sent from my SGH-I997 using XDA App

TOA Duck said:
What battery saving apps do any of you recommend. I don't think I'm getting as good a battery life as I'm hearing others get. My battery usage stats say android system is using way too much......about 40 percent sometimes.
Sent from my SGH-I997 using XDA App
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That's a bug most likely... Which ROM/kernel?

Entropy512 said:
That's a bug most likely... Which ROM/kernel?
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A bug? It happins almost all the time weather I pull the battery or just reboot. Most the time Android system is #2 on the list
For me I'm running I9000 surface rom, hellraised with your daily driver kernel
Big dog Infuse I997 doin some Hellraising

Entropy512 said:
That's a bug most likely... Which ROM/kernel?
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I'm using mikeys new MIUI. set CPU with conservative governor no o/c.
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Juicedefender, juicedefender , oh did I mention juicedefender ... my batt life has doubled in conjunction with other little tweaks like lowering the screen light etc etc
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jpapa1086 said:
Juicedefender, juicedefender , oh did I mention juicedefender ... my batt life has doubled in conjunction with other little tweaks like lowering the screen light etc etc
Sent from my SAMSUNG-SGH-I997 using XDA App
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I concur, used it since my cappy
Big dog Infuse I997 doin some Hellraising

Juice defender has so many features it overwhelms me. I'm not sure which settings to use. Somebody coach me. Lol.
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Voltage control on ICS?

Is there an app that will work to control voltage on ICS yet?
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Nstools
Link - http://forum.xda-developers.com/showthread.php?t=1333696
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ROM Toolbox Pro also allows you too modify these settings.

Or setcpu
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Do these require specific kernels to work?
Sent from my SPH-D710 using XDA

Yes , not all kernels allow change voltages
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Voltage adjustment is not really necessary, unless you are increasing voltages for overclocking.
NStools is a Nexus user favorite, powerful, and free.

Braneless said:
Voltage adjustment is not really necessary, unless you are increasing voltages for overclocking.
NStools is a Nexus user favorite, powerful, and free.
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Voltage adjustment is necessary when UVing so you can save battery duh??? lol
Even when overclocking.

XxLostSoulxX said:
Voltage adjustment is necessary when UVing so you can save battery duh??? lol
Even when overclocking.
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Uhh, no. I suggest you read up on the findings/observations documented by multiple kernel developers and bedalus's kernel testing posted here. UV has no effect on power consumption.

Read first post http://forum.xda-developers.com/showthread.php?t=1448900
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Braneless said:
Uhh, no. I suggest you read up on the findings/observations documented by multiple kernel developers and bedalus's kernel testing posted here. UV has no effect on power consumption.
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Well I tested it on my friends nexus s 4g and my epic 4g and with a lot of UVing. Lemme further explain.
Okay when you UV it just uses less amount of voltage on that frequency so in essence you save battery because not as much voltage is being used. Now however if you UV by a lot like -100mV and higher the phone will lagg a bit. If you overvolt your pushing more voltage to the phone which is more power being used.
I just tested my phone freqs. Used were 100,200,400,600,800,1000 And all were UVed by -100mV and playing games and using lower freqs it will lagg. When I didn't UV at all it never lagged.
Not to mention BTW I was @ 88% before and it only took me 2 mins to post this and now I'm at 86% with no UV at all. And last post before this I took me same time with UVed I went from 95% to 95% lol.
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XxLostSoulxX said:
Voltage adjustment is necessary when UVing so you can save battery duh??? lol
Even when overclocking.
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Not according to my testing.
kernels ; battery ; ROM ; gov/sched
Now with summaries in the first posts. Convenient for XDA app users!

bedalus said:
Not according to my testing.
kernels ; battery ; ROM ; gov/sched
Now with summaries in the first posts. Convenient for XDA app users!
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Click to collapse
Well I can say every phone is a tad bit diff. But for whatever reason no matter who's phone when I UV if the phone handles it it. It saves me battery I want you to test this and see.
Run whatever scheduler and say performance run 100 MHz by -200mV like and 200 Mhz by -150mV and so forth. Play GtA 3 and watch when UVed it laggs and when Not it laggs stillbut not as bad. I mean hell even 1.5GHz no UV I still lagg haha
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Thanks guys! Ill check on this some more when I get home.
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OverClocking

How do I do this and what should the min and max be for better performance
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What rom are you on and when u say performance, what type of battery life are yo looking for?

K7Cobb said:
How do I do this and what should the min and max be for better performance
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Root and flash a ROM that has an overclock kernel.
Sent from Spaceball One.

xmc wildchild22 said:
What rom are you on and when u say performance, what type of battery life are yo looking for?
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Good Battery Life. I have virtuous infinity alpha2
Sent from my myTouch 4G Slide using xda premium

honestly I thought the 4g slide was pretty good on performance even underclocked......have you been experiencing slowness or when you say you want performance do u mean for games? or everyday browsing?
Good battery life - How many hours of battery do you need?

xmc wildchild22 said:
honestly I thought the 4g slide was pretty good on performance even underclocked......have you been experiencing slowness or when you say you want performance do u mean for games? or everyday browsing?
Good battery life - How many hours of battery do you need?
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Everyday performance and I would like as close to the battery lasting all day. What would happen if I wiped my batt stats?
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K7Cobb said:
Everyday performance and I would like as close to the battery lasting all day. What would happen if I wiped my batt stats?
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Wiping your battery stats will get you nowhere, their wiped each time the device charges to 100%. Also the oem battery sucks look into an Anker so you have multiple small batteries rather than one huge one.
Sent from my HTC MyTouch 4G Slide running MikXE

I've been getting really good battery life with the gold 2450 mAh battery people have been posting about on the accessories thread... Phone will last over 18 hrs of HEAVY use and over 24 of moderate to light use and today it came off the charger at 3 pm, talked from 3:45 to 4:50 and texted off and on the rest of my shift and it has 68% left on virtuous infinity alpha 2 with V6 supercharger running. Mostly 2G with no wifi up, bluetooth on all day.
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onebornoflight said:
I've been getting really good battery life with the gold 2450 mAh battery people have been posting about on the accessories thread... Phone will last over 18 hrs of HEAVY use and over 24 of moderate to light use and today it came off the charger at 3 pm, talked from 3:45 to 4:50 and texted off and on the rest of my shift and it has 68% left on virtuous infinity alpha 2 with V6 supercharger running. Mostly 2G with no wifi up, bluetooth on all day.
Sent from my myTouch 4G Slide using xda app-developers app
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Supercharger?
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Yeah V6 Supercharger... Link can be found in the MikXE OP on the dev forums or you can search it. It isn't strictly necessary on this phone as compared to my G1 (lol!) BUT it definitely helps keep things running smoothly.
Oh yeah and in response to your original question - if your rom supports overclockng/underclocking you can either modify the settings via developer options (on most aosp roms) or get a third party app such as setcpu or antutu cpu master (i use rom toolbox) to control the minimum and max processor speeds. Mine is set at 192 min and 1512 max with the governor set to on demand and it runs fine. Deep sleep can get a bit... Deep... At times and not wanna wake up but for my battery life it's a small price to pay.
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onebornoflight said:
Yeah V6 Supercharger... Link can be found in the MikXE OP on the dev forums or you can search it. It isn't strictly necessary on this phone as compared to my G1 (lol!) BUT it definitely helps keep things running smoothly.
Oh yeah and in response to your original question - if your rom supports overclockng/underclocking you can either modify the settings via developer options (on most aosp roms) or get a third party app such as setcpu or antutu cpu master (i use rom toolbox) to control the minimum and max processor speeds. Mine is set at 192 min and 1512 max with the governor set to on demand and it runs fine. Deep sleep can get a bit... Deep... At times and not wanna wake up but for my battery life it's a small price to pay.
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Deep Sleep?
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I've been getting good battery life as well
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K7Cobb said:
Deep Sleep?
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After a point in time, your phone goes into deep sleep. Just dropping the CPU usage to save battery life.
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I've never really seemed to get much of a battery life difference over or underclocked. I do set the min clock all the way down to 192.
I use the big 3500 Hyperion. I'm a heavy web user...it gets me through the day.
Cm9 definitely seems to extend my life vs. Sense roms. But that's perceptive. I can't prove it.
Sent from my doubleshot running cm9-alpha6

macksgarage said:
I've never really seemed to get much of a battery life difference over or underclocked. I do set the min clock all the way down to 192.
I use the big 3500 Hyperion. I'm a heavy web user...it gets me through the day.
Cm9 definitely seems to extend my life vs. Sense roms. But that's perceptive. I can't prove it.
Sent from my doubleshot running cm9-alpha6
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macksgarage said:
I've never really seemed to get much of a battery life difference over or underclocked. I do set the min clock all the way down to 192.
I use the big 3500 Hyperion. I'm a heavy web user...it gets me through the day.
Cm9 definitely seems to extend my life vs. Sense roms. But that's perceptive. I can't prove it.
Sent from my doubleshot running cm9-alpha6
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I can lmao same exact usage the other day on cm9 got me 1 day 15 hours with 4+ hours screen on time playing the Oregon Settler with my Anker before going to 15%. Today I'm at 3 hours screen on and 12 hours on battery and I'm at 33% on MikXE so yeah AOSP def less strain on the phone, but Sense is SO PRETTY lol
Sent from my HTC MyTouch 4G Slide running MikXE

I set my min and max at 1728.....is that safe?
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SURE! If you're looking for a short-lived hand & pocket warmer.

K7Cobb said:
I set my min and max at 1728.....is that safe?
Sent from my myTouch 4G Slide using xda premium
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That is like running your car's engine at 6000rpm everywhere you go and when you park it. Sure it can do it, but how long will the engine last and how long can your gas tank hold out. By allowing the governor to regulate speeds the phone gets to use the cpu horsepower much more reasonably and allows the phone to use much less cpu power (sleep)when it isn't being utilized. I set mine at 192 min 1516 max and the governor to on-demand (depending on what profiles are available).
1.7 didn't ever do much for me other than make the phone hot and slightly crabby. 1.5 runs cooler, more stable (noticeably so), and with better battery life. 1.2 works just fine as well.
Hastily spouted for your befuddlement

Battery saver rom?

Is there anything battery saver ROM? I have 1650 mha akkumlator, and its running out of energy in about 6 hours. Even if I do not really use it. Any suggestion to make that battery life a bit longer? (New akkumlator ....)
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I think you could first check which apps are consuming the power.

Where can i check it?
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K I found it. What is media server?
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Zahovay said:
Is there anything battery saver ROM? I have 1650 mha akkumlator, and its running out of energy in about 6 hours. Even if I do not really use it. Any suggestion to make that battery life a bit longer? (New akkumlator ....)
Sent from my GT-I9000 using xda premium
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which rom are u using?
battery life also depends upon kernels..
search for the compatible kernel either for jb or bg..

I use gamerzrom maybe the 3 or 4 th version with semaphore kernel.. Can u suggest any better one?
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stock rom for you phone i think have best battery save no ?

you could download es task manager to kill unwanted tasks that are draining battery

Actually not apps are draining my battery. Its the android os and the screen. Can I anyhow make the screen brightness even darker? When i put it to the minimum its like apple stuffs on full bright... 40% screen light on battery 14% os ...
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