Good day everyone, I've been using CM9 for awhile now and its been an awesome ride so far. Everythings been working almost perfectly. Recently, my batteries(stock one) percentage level's been Jumping up and down...a lot. For instance, I woke up to it (while off) having 100% on the indicator, turned it on, and it dropped to 51%, re-booted it to see if that'd help but it dropped again to 12%. This kindof things been happening for awhile and still with Alpha 2. Should I just get a replacement from sprint? Or is there a workaround.
Also, Music's apparently been taking up to as much as 40% of my battery usage even though If don't even have it activated at the moment. I've tried deleting the apk but it appears com.android..., I may just be being a noob, but any help?
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Jump" is typical when you don't power off completely and then power back on no work around other than turn it off leave the battery out for like 3 or 4 minutes and power it back up
Sent From My SPH-D700 Running Android 4.0 :sly:
Try an app called bloat freezer or paid version of Titanium Backup and freeze music.
Sent from my SPH-D700 using XDA App
Have you tried calibrating ur battery? Give that a try and see if that doesn't stop it completely.
Sent from my O.G. SuperCyan using XDA Premium....
CASHVILLEBOS said:
Have you tried calibrating ur battery? Give that a try and see if that doesn't stop it completely.
Sent from my O.G. SuperCyan using XDA Premium....
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Apparently calibrating the battery according to some Android Engineer does nothing. The percentage you have left is directly related to the voltage of the battery. So if you are at 3.95 volts, that roughly corresponds to 50% with a range of 3.7 to 4.2 Volts on the battery. What the OP saw is the bbb...battery boot bug. If you are rebooting and you are lower than 70% do it while plugged into something. If it does happen as Biggie stated, simply remove the battery for a couple of minutes and reboot. It is a false report to the phone.
This has almost always been a issue for me when I flash anything new. It stays that way for until I deplete the battery, connect and leave connected til 100%, deplete the battery and follow the same process for about 3 full cycles and then all is well! Leaving battery out for a breather sometimes helps but I installed an app that has a widget and it keeps the regulating kinda monitered so I can be a little more at ease. Will post directly after this. But I also noticed that there have been times when the readout was a very low battery red [but I knew couldn't be true] and after I put it in airplane mode and didn't bother it for 5-10 minutes when I looked back again, battery would be yellow almost back to showing good and my battery stats show the levels increased. I think cm9 can't handle too much at one time anyways
Edit: that app I think is called battery info. Its pretty simple =) hope it helps! L8rz
Edit2: that app is listed in market as battery widget not battery info
Sent from justlovejoy's Epic 4g powered by The GreenRomProject.com & SpinBackEntertainment.com
Let's Go NYG!!!! 2012 beitchz!
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Some times when I reboot my phone my battery drops any where from 10-70% this happens on all rooms and all kernels. Is it just miss reading after reboot and I still have the amount of battery I had before I rebooted? Our does it actually get drained that much?
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I don't want some one to say that after rebooting that its showing the actual correct battery % because that's total crap. If I had not restarted my phone it would not have had this battery drop our lost battery fast. My battery always steadily drains. The other thing is it seems like when my battery drops the remaining % of battery drains way slower of a speed. probably cause there is more battery than it is showing I so frustrated its nuts please any one and every one help me out. I need to solve this! Tia!
Sent from my SPH-D710 using Tapatalk
Maybe an overclocking kernel that you are running cause this. Sometimes this happens to me too, what i do is, i connecte my charger to the phone then reboot. Either it shows a higher % or stay the same.
Sent from my SPH-D710 using XDA App
bluefire808 said:
..... Is it just miss reading after reboot and I still have the amount of battery I had before I rebooted? Our does it actually get drained that much?
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To me, I think it is a miss read, on my Epic I would get the same results and I would be like what the heck? Lets say I was at 80 then I rebooted and it went down to 15 I rebooted again and it would back up to 70, so I try not to reboot as often cause if it goes down alot after reboot I might be SOL without a cord near by to bring me back up to life.
I also have done all the calibrate stuff on the battery, but every once in a while after a reboot I get the hard drop on %.
sader2202 said:
Maybe an overclocking kernel that you are running cause this. Sometimes this happens to me too, what i do is, i connecte my charger to the phone then reboot. Either it shows a higher % or stay the same.
Sent from my SPH-D710 using XDA App
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I'm definitely going to give this a shot. You both mentioned having a charger near by and it can't hurt. thanks guys!
Your battery stats need to be wiped.
HERE is a post with a easy way to do so. If you read the entire thread I wouldnt do as the OP did and flash EG12 Modem! Most users on EG12 have issues with calls not coming through while screen is off on the device, unless it is plugged into charger. Device does not "sleep" while plugged in therefor calls come through like normal.
hi all,
i noticed the charge curve on my evo is not linear. at first it's logarithmic and then linear (see pic). everything is off (3g/4g, wifi, bluetooth, sync) while charging (only turning on once in a while to check the %). is this normal?
ive wiped my battery stats and done all that. during use, the battery drops to 60% quickly and then discharges slower. im using deck's gb 1.3 rom, havent changed the kernel, no wake lock issues as far as i can tell.
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I was having the same exact issue. I bought a new battery and figured it must be bad when it would jump from 80 percent to full in a matter of minutes. Then it would discharge to around 70 percent in a matter of an hour. After it hit 70 percent it would discharge more slowly. This was a battery that the Sprint store gave me and I was led to believe it was new. After it did this weird charging discharging issue I went back to sprint and this time received a brand new battery in the package. The young lady behind the counter showed me a box full of all types of used batteries and explained they probably pulled one out of the box of the used batteries. I exchanged my original battery because it wasn't fully charging anymore but the weird charging spike I got with the replacement battery was a first for me. Anyway the "NEW" battery is working like it should so you may be looking at a bad battery.
I know you said you wiped battery stats but did you calibrate the battery at all?
oop. forgot all about this post. thanks for your responses.
i assumed something weird may have happened from my going stock to root so i checked out a friends battery. he never rooted his phone. unfortunately i get the same charge curve.
yes, i have calibrated my battery/ ie, charge to full, wipe stats, then drain phone til shut off.
i will try contacting sprint/htc for a new battery and see how that goes.
anyone else have this issue?
Me, all the time. Have yet to have a different curve ever. Mine happens a little higher though, around 70%. Try battery monitor widget and you can see the actual charging voltage
Sent from my PC36100 using XDA App
I use SetCPU with 3500mAh battery and last 28hrs on single charge
Sent from my PC36100 using XDA App
plobukt said:
oop. forgot all about this post. thanks for your responses.
i assumed something weird may have happened from my going stock to root so i checked out a friends battery. he never rooted his phone. unfortunately i get the same charge curve.
yes, i have calibrated my battery/ ie, charge to full, wipe stats, then drain phone til shut off.
i will try contacting sprint/htc for a new battery and see how that goes.
anyone else have this issue?
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After you drain the battery completely, charge it to 100% without unplugging. Recalibrate with that method and see if it helps.
Supersonic Evo 4G | MIUI | Tapatalk
Am I in need a new battery? Which ever ROM I use this happens.
Need a little bit more information then that in order to help
Sent from my R800x using XDA
Left the phone idle after I pulled the charger. Came back and it's already below 90% (87) I haven't used any apps,as you see only the usual stuff show up.
droidjunkie said:
Need a little bit more information then that in order to help
Sent from my R800x using XDA
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Researched a bit and heard cell standby could be the issue,are mine normal? Can't tell.
How long was it off the charger for? Also I would be more worried about wifi, if your actually using wifi then yeah leave it turned on but if you're letting the phone just sit there I would try turning it off but I don't user wifi so I'm not sure. You can also try turning the brightness settings down.other then that it looks normal to me.
Sent from my R800x using XDA
Brightness is always below 50%,I keep around 25%.
So 2 hours off the charger,wifi on and idle,87% is normal? Everytime I turn it on just to check the battery it drops 2%, I don't think that's normal.
Honestly that's probably normal if you were away for an hour or so or if you left wifi on. Battery life also depends on which kernel you're using as well.
Solar.Plexus said:
Honestly that's probably normal if you were away for an hour or so or if you left wifi on. Battery life also depends on which kernel you're using as well.
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I'm using DooMKernel v14
Installed Juice Defender, did some tests and just after I unplug, it took a while to go down to 99% took 10 minutes while watching YouTube on 3G but as it got down to 95 % the battery just drains quickly , went to 85% in 5 minutes while browsing the web
Sent from my R800i using Tapatalk 2
i noticed the same thing
i lost my old charger so i bought a new one and thats when i first started having this issue.
phone would seem to charge faster than before but died faster as well when using this charger. (this was my work charger). at home i use laptop to charge and takes longer but lasts longer.
also noticed phone got warmer when charging at work. so i returned that charger and got a different one and problem solved.
so if your using a different charger recently a new one may help
WiFi seems the culprit. Maybe Google how to set the wifi scanning interval
Sent from my Xperia Play using Tapatalk 2
I'll try a different charger. The phone does get hot when plugged in.
Better Battery stats.
I'll bet one of your apps (a wifi app) isnt sleeping, and thats why you are losing the battery.
Just got my s3 like a week or so. I made a mistake and not charge it initially (thought it was a myth). I used my battery all the way to 17%. Now my battery only average up to 2 hours screen on. My sister who also got the phone as the same time has about right hour screen on time. Did I screw up or it's just my battery being defective
EDIT: attached is the battery stats
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What's brightness set to, and what are you doing while the screen is on? You on WiFi most of the time?
mt3g said:
What's brightness set to, and what are you doing while the screen is on? You on WiFi most of the time?
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Well, when I'm in door, I use low brightness most of the time. Only when I'm outside I would use auto brightness. Since I'm in wifi zone most of the time, yes I do have wifi on. I mostly use my phone for twitter, web browsing, and youtube, nothing heavy like gaming or benchmark.
Hard to say if its defective but I've definitely seen a lot better battery. It might not hurt to try and get a new one.
Sent from my SGH-T999 using xda premium
you should calibrate your battery a couple times once you get the phone. do it a couple times and it will fix itself. also check all your syncing settings. this phone will deplete a battery in 5-6 hours if fully charged and phone brightness is up all the way while watching videos.
Calibrating batteries is a myth from the days of older battery technology. Draining your battery to 0 on purpose is actually killing your battery faster because you just used up one cycle.
gr4p3s said:
Calibrating batteries is a myth from the days of older battery technology. Draining your battery to 0 on purpose is actually killing your battery faster because you just used up one cycle.
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I think you're right
Sent from my SGH-T999 using xda premium
There's a bug on stock that makes cell standby much higher than it really is. So I wouldn't worry too much about that.
Also, Google Chrome is a huge battery killer for some reason. Consider switching to a different browser?
Still having the original battery in my vibrant and getting 8-9 hour charges while killing the battery 100% and charging it up once a week does nothing? Same thing for my g2x. I get about 10-11 hours on the thing daily original battery as well. If anything and you're not rooted to delete battery stats, its a good thing to do a couple times. I don't think I have hurt the battery at all, and if anything they still last very long...
Sent from my SGH-T999 using xda app-developers app
Hi,
So my phone battery was pretty off today and I checked my battery usage. This is the result.
Any ideas? It doesn't look like anything out of the ordinary on running apps...
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Sent from my Galaxy Nexus using Tapatalk 2
are you running stock?
are you rooted?
If you have recently flashed a new ROM, its common for the battery % to get thrown off. There are battery calibration apps on the market to fix it.
If you are running stock, then charge it for a full 8 hours minimum. Run it all the way dead, til it turns off. Then charge it a full 8 hours again.
rudeguy said:
are you running stock?
are you rooted?
If you have recently flashed a new ROM, its common for the battery % to get thrown off. There are battery calibration apps on the market to fix it.
If you are running stock, then charge it for a full 8 hours minimum. Run it all the way dead, til it turns off. Then charge it a full 8 hours again.
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Negative ghostrider. The battery calibration apps are 100℅ snake oil. They do nothing that unplugging the phone after a charge does not do. Also, wiping battery starts after flashing a rom is pointless since it not only has nothing at all to do with indication, but that is also a clean slate when flashed. The old advice to do this was based upon folds not understanding how both the operating system and the battery's fuel gauge operate.
Also, I wouldn't advise doing the second one too often as it shortens the life of the battery. Discharge to the point of shutdown is unhealthy for it and full charge/discharge cycles shorten its serviceable lifespan.
OP- It would seem that your phone is awake significantly more than it should be if you weren't using it all that much. Google Services should account for less battery use than it is, and idle should account for more. A screenshot of battery use with more details would prover to be very useful. Also, you can use the app BetterBatteryStats to get some insight as to what may or may not be misbehaving.
Sent from my Nexus 7 using Tapatalk HD
I've flashed CM 10.1, using the 28th of December nightly.
Hoping it was just the nightly that caused it, but it's gotten worse throughout the day.
Aerolith514 said:
I've flashed CM 10.1, using the 28th of December nightly.
Hoping it was just the nightly that caused it, but it's gotten worse throughout the day.
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My best guess is that it may be location services draining your battery.
Sent from my Nexus 7 using Tapatalk HD
najaboy said:
My best guess is that it may be location services draining your battery.
Sent from my Nexus 7 using Tapatalk HD
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Just disabled it in maps. Is it possible that it turned itself on somehow? I haven't had this problem until today.
Also, would there be a reason why the stock messaging app font size is almost double the size? I ended up installing the 'alex' font to make it a bit smaller, but it's still big in comparison to what it used to be.