Searched for this and didn't find it in the forum. My phone is not rooted.
I've had this phone maybe a week after launch and this issue has just started happening in the last 4 days or so. It typically seems to happen after charging and unplugging the phone. The stock battery usage app, Settings--> Applications--> Battery usage, shows no battery drain at all while showing the phone as Awake the whole time and Screen on the whole time.
The reality is that the phone was just sitting on the kitchen counter with the screen off and I hadn't touched it the entire time. Rebooting only sometimes seems to make it snap back to reality, there are times when I'll reboot or pull the battery and nothing happens, it just continues to give a false readings.
Anyone else experiencing/experienced this?
I have ViperX 2.7.0 rom with the stock kernal.
I fully charged, then fully discharged, then fully charged again! I then re-set battery stats anyways.
I took it off charge this morning, was draining a little fast. Was around 85%, I turned it on then off. and bam within like 10 seconds it's down to 40%...
And it's still draining.
Thoughts?
check your battery stats, is there a precipitant drop suddenly?
try disable mobile data and wifi and see if that changes anything.
crislevin said:
check your battery stats, is there a precipitant drop suddenly?
try disable mobile data and wifi and see if that changes anything.
Click to expand...
Click to collapse
In my battery stats.
It powers off, then the gap is blank... THen it starts again halfway down the graph.
okay, That is a precipitate drop.
I am not an expert on this, but before the expert jumping in. I would suggest some experiments
1. if your battery is not empty, use power control widget to turn off mobile data and wifi, let it sit for a hr or two and see if battery drains, and how much. If there is little battery drain, then the background app and data transfer may be the problem for your bad battery drain.
2. charge it to 100%, when it reaches 100%, turn it off and charge for another 15 minutes, turn it on and use it, see if another precipitate drop occur, and if yes, see if they occur at roughly same battery level. I would think if it occurs every time, it may be a hardware problem.
crislevin said:
okay, That is a precipitate drop.
I am not an expert on this, but before the expert jumping in. I would suggest some experiments
1. if your battery is not empty, use power control widget to turn off mobile data and wifi, let it sit for a hr or two and see if battery drains, and how much. If there is little battery drain, then the background app and data transfer may be the problem for your bad battery drain.
2. charge it to 100%, when it reaches 100%, turn it off and charge for another 15 minutes, turn it on and use it, see if another precipitate drop occur, and if yes, see if they occur at roughly same battery level. I would think if it occurs every time, it may be a hardware problem.
Click to expand...
Click to collapse
Thanks for the reply.
I don't have bad drain before this drop.
It's on charge now (from the drop) Going to leave it and see what happens.
install watchdog https://play.google.com/store/apps/...GwsMSwxLDEsImNvbS56b211dC53YXRjaGRvZ2xpdGUiXQ.. to monitor the culprit.
also did you install any new app/game lately, that may be causing problem... i had a similar issue and then i uninstalled the app and all was good...
Hello,
I have a very annoying issue with my battery percentage. Typical scenario:
I unplug my phone at 100% after loading it overnight and perform some basic tasks, like for example reading news with Flipboard for a couple of minutes. My percentage already goes down to about 75% to 82% in about 10 minutes. Then I don't use it intensively, only to check the time or messages, so the percentage stays at almost the same amount for hours. When gaming, or performing other more intensive tasks, my percentage almost drops 1 to 2 percent/minute. I get "battery low" warnings at 14% and 4% and then it goes down all the way to 1%. Now I can just continue using my phone like before, for example for gaming, web browsing, for something between 40 minutes and 3 hours.
The issue is obvious: my battery percentage is not calibrated correctly. This has been occuring since more than half a year now. I had many different roms over the years, I can't blame it on one particular one.
Now, I read about a lot of ways to calibrate your phone, so the percentage is accurate again. I have tried a lot one of them. None had any effect. I tried the following:
- wiping battery stats (multiple times)
- completely unloading my phone (restarting it multiple times, boot into bootloader and waited until it just turned off by itself and won't turn on again) and then reloading it (via charger) without interruptions (everything multiple times)
- using the app "Battery Calibration" (deleting batterystats.bin)
- using the app "Battery Monitor Widget" (waited until it shows 0 mAh, then wiping battery stats
- some battery saver app
I also switched batteries with a phone that was purchased at almost the same date as mine (09/2011) and has not been modded in any way. My phone currently runs Jellytime 4.2 R11. I updated it this week, and also wiped battery stats during the installation process at 100% charge.
Any suggestions? Any help is appreciated! Thank you in advance
Any suggestions?
jan_x said:
Any suggestions?
Click to expand...
Click to collapse
Easy!
Get a new QUALITY battery.
But maybe that was to obvious for others to respond.
I was wondering if anybody else had this issue or had any suggestions.
Battery life is normally great on the tablet, except every once and a while it gets stuck awake overnight. There doesn't seem to be a 3rd party app that is holding it awake, as Android system and OS is what's using most of the battery.
As you can see in the screenshot, Doze works fine and barely any better is drained, I used it briefly, came home from work and half the battery had been drained.
Thanks for the help
Not sure if it's normal but mine does the same.
Sent from my Nexus 6 using Tapatalk
I've seen a 30ish % drain sitting overnight a couple of times over the past 2 weeks. Can't seem to find a rhyme or reason for it.
I can't imagine it being "normal" since, with Wifi set to off while sleeping that the device should drain that much.
It's odd and happens randomly, I'm on the same page as you bluestang.
It happened to me once, at night it wastes a 15% battery.
I changed in wifi advance options to not maintain WiFi always awake, only in charge.
sabisavi said:
It happened to me once, at night it wastes a 15% battery.
I changed in wifi advance options to not maintain WiFi always awake, only in charge.
Click to expand...
Click to collapse
That's the setup I have though - so I get no notifications or anything when it's not on. Yet something is still keeping the device up.
I have *exactly* the same problem with an all new device, and with nothing but a game installed on it. After a reboot, if I let the Pixel C right there for a night, then it only drains ~3/4%.
Then I play the only game I have for 5 minutes, and let the device again for a night => it now wastes a 20% battery!
No idea what's going on... "Android OS" appears first in the list of app, but this does not help me so much to find what is actually happening...
The issue still appears even after a full reset of the system (I'v tried, without success).
sylar12 said:
I have *exactly* the same problem with an all new device, and with nothing but a game installed on it. After a reboot, if I let the Pixel C right there for a night, then it only drains ~3/4%.
Then I play the only game I have for 5 minutes, and let the device again for a night => it now wastes a 20% battery!
No idea what's going on... "Android OS" appears first in the list of app, but this does not help me so much to find what is actually happening...
The issue still appears even after a full reset of the system (I'v tried, without success).
Click to expand...
Click to collapse
Exactly. If I reboot the device and let it sit, doze works fine, the second I open an app, use it and put the tablet down, something hangs and keeps it awake. Always Android OS that is keeping it awake as well...
I have this issue too. Are you guys on xceed Kernel?
Whats really interesting even better battery stats Shows no culprit.
I'm on the stock-just-reset-again last version of the system.
Freak07 said:
I have this issue too. Are you guys on xceed Kernel?
Whats really interesting even better battery stats Shows no culprit.
Click to expand...
Click to collapse
I'm on stock - not even rooted
I'm on stock MM here as well.
Also, not sure if it a coincidence or not, but I changed this and haven't seen overnight battery drops anymore. In Settings>Location I changed the Mode from High accuracy to Battery saving. Since the Pixel C doesn't have GPS device, then why use it.
Like I said, not sure if it a coincidence, but battery life has been great overnight since.
bluestang said:
I'm on stock MM here as well.
Also, not sure if it a coincidence or not, but I changed this and haven't seen overnight battery drops anymore. In Settings>Location I changed the Mode from High accuracy to Battery saving. Since the Pixel C doesn't have GPS device, then why use it.
Like I said, not sure if it a coincidence, but battery life has been great overnight since.
Click to expand...
Click to collapse
So last night, I rebooted before I went to sleep, but overnight the battery drained from 85% down to 57% in about 8 hours.
I decided to check my location settings as per your post and found it was set to high accuracy, so I changed it to "Battery Saving".
I did nothing else(no reboot) until I checked my battery now about 3 hours later, it has only dropped by a further 2%.
Looking at "Battery Monitor Widget Pro" history statistics, it is clear to see that overnight the battery was draining considerably more.
It takes readings every 10 minutes and was showing between 450 and 275 mA being used every 10 minutes overnight.
Since I changed the location settings, most of the time it is 15mA with occasional jumps up to a max of 297mA.
Although this could not be classed as conclusive proof, it does seem to have had an effect, I will keep monitoring it to see how it goes.
Yep, I change that setting on the 19th or 20th and haven't seen any major drains overnight.
I think I may have found a winner with that little tweak
So far so good for me too. I don't know if it is related to the GPS settings, but no more inconsistent major drains so far.
if location services is on it can drain a good deal
Just to add that I had exactly the same issue on stock 7.1.2, tablet was staying awake and draining. Reduced location precision and now only a 2% drain during an 8 hour sleep which is a massive improvement.
I've had my M8s from new & recently it's been doing some very odd shutoffs. Battery level indicates well over 50% when it shuts down, plugging the charger in usually brings up the yellow empty battery icon & then the charge indication will jump to 60%+
Battery drain is in the order of 1% every couple of minutes even when all apps are shut off & background processes limited to bare minimum with Battery Saver active.
I've tried factory reset & clearing cache through the recovery menu to make sure I haven't got something sucking the life out and have also tried the power-level recal. whilst plugged in from HBoot restart (holding down power, volume up & down for 2+minutes) to no avail.
Battery health is apparently good according to every app I've tried.
Currently running around with a battery-bank in my pocket to keep the phone alive.
Your battery is dead. I had exactly the same issue (dying at 44%) and had the phone RMA'd. (it was 18 months old and 14 months in use at that time)