So I'm running the 7/15 CM9 rom and today my battery is draining at an alarming rate. The highest percentage isn't even screen its phone? File attached. What is up with this? I've made one 2 minute call ALL day and sent about 20 text messages.
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Have you tried InstigatorX's kernel http://forum.xda-developers.com/showthread.php?t=1721235 I've heard that it gives great battery life.
I would ask this in the CM9 thread in the general section http://forum.xda-developers.com/showthread.php?t=1710289 if that doesn't help.
It could be wakelock issues, try to use BetterBatteryStats to monitor the phone's usage. It'll tell you which program or service is using battery. Could also try rebooting. When the phone doesn't go to deepsleep it stays on a specific frequency (CPU) and slowly drains battery. Programs can also cause draining if they're constantly syncing and using mid frequencies rather than low level frequency. Each frequency level (192MHz, 1GHz, 1.5GHz) has different voltages so if it stays at a specific frequency it can drain a lot. CPUSpy is also a simple program that monitors how much time the phone stays at a specific frequency. If your phone has been on for 8hours and 7hours is on deepsleep then there is no wake issues. If it says 8hours and 5minutes is on deep sleep but 384MHz (or any) and you don't have any programs on then you have wake issues or a service is constantly using your resources.
Related
Last two times I've ran slacker, it freezes up on me and doesn't exit properly and causes excessive battery drain, like 1% per minute.
Even while running it, it seems to consume a lot of battery sometimes. And the processor is pegged at max setting while its running. 1017 mhz today, to be exact. This is both streaming and cached content.
Anyone else notice this? I installed watchdog to see what was causing it, and this is what i found, even after exiting the app from the menu. Yes, it shows at running in the taskbar cause I turned it back on after I shut it down.
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In case it matters, I'm running inspired ace 1.0.1 and mdj's 17 kernel, running at 1017 max and on demand scaling.
excessive battery drain
I have been having issues with this as well. Slacker is constantly running, and must be force closed from the settings> applications menu. Battery drain is roughly 3% a minute while unplugged, and 1-2% even while plugged in! I love slacker, but this is no good..
The problems seemed to have started for me when Slacker was updated with the Ford Sync service. Killing just the ford sync service seems to improve battery life substantially as well, but presents problems in using the slacker app sometimes. (N1 running CM7)
Check your radio and Ril to make sure they matching... it could cause battery drain.
Hello guys,
Have a small question about battery use when phone is idle, e.g. at night. I loose 1%/hour with 3G/WiFi disabled, sync disabled, and 2%/hour with 3G/WiFi enabled, sync disabled. So no sync, no apps updating or refreshing. When I sleep for 9 hours I lose 18% with 3G on, which seems quite much to me. This also used to be only 4-5% with 3G on. While using the phone my battery is fine actually, I lose 2-3% an hour idle with sync enabled (whatsapp, push gmail, hourly weather, tweetdeck every 6 hours). The battery seems to be a bit worse then before 2.3.4, but I'm not quite sure about that.
So I downloaded BetterBatteryStats to see what might keep my phone awake at night (see pics). The slow decline is at night, no sync. As you can see there is one blue block in which the phone is awake but the screen is turned off. However, this wakelock is not present in the BetterBatteryStats output afaik. Anybody has any thoughts on reducing battery use when idle? Cause I see alot of people who lose like 1-2%, I would like to have that as well!
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Translation:
Phone Signal
WiFi
Awake
Screen on
Charging
When in normal use my phone doesn't show any abnormal wakelocks, it's just that the battery drains quite (too) fast when idle, can't seem to figure out why.
Bump
Sent from my HTC Sensation Z710e using XDA App
I purchased SetCPU about two weeks ago. I stopped using it because my phone started to get choppy, so i disabled all my profiles and disables start at boot. I kept the widget alive cause i had a free space on my widget screen but since i installed that, i see that the CPU stays a lot at this speed. I rarely see it at 1500mhz. Not sure if its normal
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could be that widget isn't refreshing because app is no lo.Ger installed, which is probably the case
yes it is refreshing because the temps keep changing, the app is installed, i just disabled it from managing my cpu but its still there. also, if you knew how setcpu works youd know the max is the highest frequency allowed and the low, the lowest, it is not by any mean a indication of current mhz, so something keeps changing my cpu profile...but what?
polish_pat said:
I purchased SetCPU about two weeks ago. I stopped using it because my phone started to get choppy, so i disabled all my profiles and disables start at boot. I kept the widget alive cause i had a free space on my widget screen but since i installed that, i see that the CPU stays a lot at this speed. I rarely see it at 1500mhz. Not sure if its normal
Click to expand...
Click to collapse
You can check your CPU levels with the app cpuspy on the market.
Sent from my SAMSUNG-SGH-I727 using XDA App
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First of all, download an app called "Setxperia" , go to your cpu settings and set your governor to ondemand, and threshold to 40 (This gives responsiveness and speed comparable to higher end phones such as my galaxy s2). Second, download an app called "Deep sleep battery saver" , set the preset on any you want (I recommend strong) , set your screen on and off delay to 5 seconds. For battery discharge settings, set it to 10% , for recharge settings, press ignore. (Doing this compensates for power the low threshold uses) and there you go, done! Tested on my galaxy s2 first then sidekick 4g, methods work for both devices.
Sent from my SGH-T839 using Tapatalk 2
i just flashed a new rom and overall experience is the great
But...battery life is not that good now
going to try this today and iw ill inform you with the results
auda said:
i just flashed a new rom and overall experience is the great
But...battery life is not that good now
going to try this today and iw ill inform you with the results
Click to expand...
Click to collapse
Alright hope it works well for you
Sent from my SAMSUNG-SGH-T989 using Tapatalk 2
I only ever see a battery issue when I use wifi. But I might as well try this out.
Since I see so much Ignorant in the Battery thread, I like to point out (rant) some things..
1. A person 6 hour of Screen On Time usage is different from person to person.
2. Temperature can have a great affect on battery life.
3. Signal strength can have a great affect on battery life.
So with that in mind, I suggest everyone try to do a PC Mark bench, it is fair and give people a much better idea of what of what they should be getting. To do this test here are the few settings you need to set
1. BRIGHTNESS AT 23-25% (EYEBALL IT)
2. Wifi on
3. do not disable Mobile data or sync
4. Clear all RAM before start
below are the CONTROL numbers from a stock rom (pictures are from greenbot.com)
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Below is my stat, using arter kernel and foreverloco rom. (I DO UNDERVOLT MY KERNEL)
Is this ok? Running skyhigh 2.1 and darthstalker v4 rom. A57 cores @ 2.4ghz and gpu @ 852mhz with a -75mv uv all accross the board.
I ll post my battery result as soon as i can, meanwhile here s my previous battery result i got a few days ago... http://forum.xda-developers.com/showthread.php?p=63851201
Here s my pcmark battery score too. I started it from 90% after already using the phone for a whole hour (sot of about 1h6mins)
ran pcmark again with skyhigh 2.3 ...running at 2.4ghz a57...