yashsingh1/xdaforums huggingface dataset:
[Asus Transformer TF700] LetMeKnow:
[MENTION=972963]jtrosky[/MENTION]

I don't have a dock to help you testing the drain battery issue but I see a different between the nandroid backup and fresh installation..:) I have more than 50% of problems of the time when using backup and running e2fsck command. However, I don't recall that I have any problem at all with fresh installation and using e2fsck command...:) I do fresh installation and restore my backup at least 15 times per week for testing my stuffs and I do see a differences between the two. I would like to share my observations on this matter and don't know if it is matter at all on your testing.

It is just my two cents and good luck...:fingers-crossed:
[Asus Transformer TF700] fsured:
I'm sorry for the delay. Some events out of my control have occurred but I will say that after 7hrs of the set up for this first phase of testing, dock is at 100% and tab is at 98%. No use in that 7hr time frame at all. That is a huge increase from my testing done on Friday at work. After 8hrs of what would be my normal set up, running greenify on all programs that I don't want actively running, my dock was at 92% and the tablet was at 84%. That was with no use at all except checking the battery stats every 2hrs..

---------- Post added at 03:05 AM ---------- Previous post was at 02:45 AM ----------

Phase 2 started. I have 5 apps that are updating. google search, play music, maps, talk back, and youtube. I have my alarm set to wake me in 4hrs to check the battery levels. After all the updates, dock is at 99% and tablet is at 97%. That is a slight drop to add the google account and update those apps.
[Asus Transformer TF700] berndblb:
After 3 hours on phase 3 I have zero loss in battery charge.

I get the strong suspicion we'll find drain is due to user apps....

I always suspected that Greenify consumes more resources than it saves ;)

Maybe I'm wrong.... we'll see.

Time for bed - you guys in other time zones take over please.
[Asus Transformer TF700] jtrosky:
After 6 hours on test #3, I have no loss in battery charge either.

I tend to agree with you that it's probably due to user apps and/or configuration settings (thats always been my opinion!). What threw me though, is that multiple people said that they still had the drain issue even after doing a clean install of the STOCK ROM without installing any user apps! As we all know, theres really not many options during a stock install, do I can't explain those results...

I still think that there may be a chance that it's related to the battery level too though - meaning that after the tablet gets below a certain level (maybe the level where the dock starts charging the tablet), that is where the battery drain problem starts. We'll find that out during the next test, after we get the battery level down to 70% today!

So, while we really haven't identified what causes the drain yet, I do think that this testing has been useful already - we've shown that the battery drain problem is not a problem with a fully-charged tab/dock with a clean, base install!

I'll come up with a "Scenario #4" soon that will include a method to get the battery level down to 70% (or slightly lower) and then retest. I think that test will tell is if the problem really *is* related to the battery level or that the cause is most likely a user app/settings issue... Will be interesting.

Once again, I really do appreciate everyones efforts - especially if you don't have another device to use while performing the tests! It's amazing how dependent we've become on these devices! One more day of testing - just remember - you'll be helping a large number of people because of your work this weekend!
[Asus Transformer TF700] jtrosky:
I just noticed that you said that you had (5) apps that updated, whereas I only had (4). Compared your list to mine and found that I don't even have "Talk Back" installed.

Not sure if I screwed up the instructions or if you chose something that shouldn't have been chosen... Can others please check to see if they have "Talk Back" installed?

Thanks!
[Asus Transformer TF700] workdowg:
Scenario #1 after 4 hours - 100/100 (9hrs - 100/99)

Scenario #2 after 3 hours - 100/100

Scenario #3 after 7 hours - 99/100

Ready for #4...

---------- Post added at 07:09 AM ---------- Previous post was at 07:06 AM ----------

No talk back.

---------- Post added at 07:32 AM ---------- Previous post was at 07:09 AM ----------

I'm thinking Greenify also. I was playing around with a Tasker profile that needed it so I have had it since. I could very well be the same time I started having the drain issue...
[Asus Transformer TF700] jtrosky:
Test scenario #4 posted!

Basically, we'll just get the battery level down to about 70% using the "Battery Drainer" app that I posted in the test scenario post (make sure to get the correct one - there are a few different ones).

After getting the tablet level to about 70%, let it sleep for 4 hours and post the results! Detailed instructions in the test scenario #4 post in the beginning of the thread!

Thank you!
[Asus Transformer TF700] sbdags:
For what it's worth I have never used greenify and have the battery drain bug.

It'll be something that stops the main tab from deep sleeping properly.
[Asus Transformer TF700] jtrosky:
Ok, something is just not right here... I've been running the "Battery Drainer" app for 48 minutes now and both battery levels are *still* reporting 100%!!! That just can't be right! When it hits one hour, I'm going to stop and it reboot to see if that causes the "real" battery levels to be reported.

I'm starting to wonder if the batter levels reported are just wildly inaccurate! It sure makes me doubt the results of all previous tests!

[MENTION=3971563]workdowg[/MENTION] - are you seeing similar results while running the "Battery Drainer" app??

Thanks...

EDIT: After running the battery drain app for an hour, both dock and tablet still reported 100%. So, I rebooted and even after a reboot, my dock is reporting 99% and my tablet 100%! I just don't understand how that can be...

Restarted the battery drain app and will see what happens...
[Asus Transformer TF700] workdowg:
No. About 7min and it is down to 92%

From my LG G2 - CleanROM 1.0

---------- Post added at 08:44 AM ---------- Previous post was at 08:42 AM ----------

16min 97/90

Edit: 40min 95/82

From my LG G2 - CleanROM 1.0
[Asus Transformer TF700] jtrosky:
Ok, at least it appears to be working for others. There *must* be something up with my battery calibrations then, because even after a reboot, I'm at 99% on the dock and 100% on the tablet (after an hour of running battery drainer!)...

I'm thinking that my results are going to be invalid... I'll let it keep running - maybe it will lower the battery significantly soon - we'll see...
[Asus Transformer TF700] fsured:
After the 4hrs for phase two my dock/tab combo is at 99/97%. I just checked it which would be just shy of 1 1/2hrs later and it is 99/96%. I will do the un-dock and re-dock and let it sit for 7hrs. That is usually my overnight hours.

As for the Talk Back app, no idea what that is. I thought it was something in the stock set up. Do apologize if there was was an accidental check on a feature during the install and I didn't notice.
[Asus Transformer TF700] sbdags:
Talkback is included in the ROM as a /system/app it does not get installed or updated in /data/app. It is not an option to not install it. So everyone must have it.
[Asus Transformer TF700] jtrosky:
Well, another hour of running battery draining and my tablet is *still* at 100%!!! Dock is at 98%!

I must have a SUPER battery!!! :)

Its obvious that my battery calibration is way out of whack - no wonder I never had the battery drain problem!!

I'm going to let my run until it powers off - maybe it'll reset the battery calibrations.... Please continue test #4 without me! After we see some results of that, we'll determine the next test.

EDIT - WooHoo! My tablet finally went down to 98% after 2 hours and 10 minutes of running the battery drainer app!!
[Asus Transformer TF700] _that:
Does it at least get warm, or is the app simply not working correctly?
[Asus Transformer TF700] jtrosky:
It's definitely working - it also shows the battery temp, etc, and I can see that the battery temp is rising...

Now my battery seems to finally be draining a little - tablet is now @ 93% and dock @ 98%.

I truly think my calibrations are screwed up - maybe because I leave it connected to AC power most of the time?

I'll let it go and see what happens... I can always re-run the tests again after draining and re-charging...
[Asus Transformer TF700] Drenus:
Test #3

Just got done with #3, about 8 hours after undocking and docking, lost 6% / 15% (96 / 98 to 90 / 83). It seems like I'm seeing more drain than everyone else. On to #4.
[Asus Transformer TF700] jtrosky:
Yeah, if I go into the app list in settings, I do see it there... It's just strange that the one user all saw it updating after adding his Google account - he had (5) apps update whereas others only had (4) apps update (and Talk Back was not one of them).

Any idea why that would be?
[Asus Transformer TF700] sbdags:
Google updated talk back in his language? It's the accessibility app for blind people, reads text out.
[Asus Transformer TF700] jtrosky:
Not sure - I think we've all used the exact same settings (English) - everything should have been exactly the same. Whats strange is that this user also seems to be experiencing more battery drain than everyone else... I'm thinking something is obviously different with his setup compared to everyone elses... Not sure what that difference is though!

EDIT: By the way, NOW my tablet is losing charge normally - already down to 86% on the tablet now! It's almost like it was WAY "overcharged" or something! :)

EDIT2: Sorry, I'm confusing testers now!! The user with the "Talk back" difference is not the same as the user more drain than everyone else!
[Asus Transformer TF700] jtrosky:
Hmm, the user with the most drain so far in Drenus, and he seems to be the only one (besides me) with this dock version:

DOCK-EC20N-0207

Since my tests have probably been invalid to this point, I wonder if this means anything?
[Asus Transformer TF700] _that:
I think it means that you cannot rely on the reported percentages as long as you don't make sure that it goes down all the way to 0% when empty and doesn't stay at 100% after prolonged use. I predict your device will shut down with >10% left on the battery indicator.
[Asus Transformer TF700] jtrosky:
I definitely agree with you about my test results...

What I really was asking was if it meant anything that the only user that has reported significant drain during tests 1-3 so far was the only user with the dock type/level of "DOCK-EC20N-0207" (I was the only other user with the same dock level, and my tests were obviously not true tests).

It's completely possible that I always did have the drain problem and never even knew it because my battery levels were obviously not being reported correctly (for how long, I have no idea)...

EDIT: [MENTION=518363]sbdags[/MENTION] - what is your dock type/level?
[Asus Transformer TF700] _that:
I hacked together a tiny battery monitor script - it would be interesting if you have the same correlation of percentage and voltage as others. Download to the tablet, remove the .txt extension, run in a terminal window with e.g. "sh /sdcard/battmon.sh" and let it run for a while, it will output one line per 30 seconds. Press Ctrl+C to cancel. Run as "sh /sdcard/battmon.sh | tee /sdcard/battery.log" to additionally log the output into a file. Note that this will most likely keep your CPU awake, so don't try to use it for debugging the "drain on standby" issue.

View attachment battmon.sh.txt

I have the same dock version as you, and I noticed the drain already back in ICS times - since then I keep the tablet undocked for most of the time, unless I need the dock's features. I guess the whole drain thing is related to the dock charging the tablet, and the tablet (or apps) thinking it can use more power because it's charging, not knowing it's not charging from AC power but from another battery.
[Asus Transformer TF700] Drenus:
Question about bluetooth and gps

Were we supposed to have bluetooth and gps running for all these tests? Except for #1, I didn't change any settings and didn't notice bluetooth and gps were on after I turned Battery Drainer off. Or did Battery Drainer turn those on?
[Asus Transformer TF700] jtrosky:
We were just supposed to leave things at their default settings. By default, GPS radio is on and bluetooth is off.

The Battery Drainer app actually uses the GPS radio, so thats why you get the GPS icon while it's in use (but the GPS radio itself has always been enabled). Bluetooth was enabled by the battery drainer app and it automatically disabled it when done (actually, it automatically returns the radios to their original state when done)....

So, you've been doing the right thing - just don't specifically enable or disable any of the radios....
[Asus Transformer TF700] jtrosky:
I will definitely check this out. Right now, I'm letting my batteries run down until dead. Actually, I guess I can install it now since I'm pretty much out of the testing at this point... Might as well.

I will say this, the battery drain app reports both battery level and voltage (as well as battery health and battery temperature and time elapsed). When I started at 100%, it reported 8mv - it's now reporting 7mv, if that tells you anything (been at 7mv for some time now).

As of right now, my tablet battery is @ 71% (charging) and my dock is at 92% - so my dock is now draining it order to charge the tablet...

I'll install your script on my device now and report the results (everyone else, please don't use this script while testing!). That will also let me verify what percentage my battery goes down to (as I sure won't be watching it!).

Thanks _that!
[Asus Transformer TF700] _that:
That should be 8 or 7 V. My current battery level is 83% at 7981 mV, which is normal for a 2-cell Li-Ion battery.
[Asus Transformer TF700] jtrosky:
I'm guessing its just a programming 'typo' - using your script, it is reporting values like 7531mv, so I think my voltages are normal - at least at this point... I'm writing the output of your script to my MicroSD card and will send it to you after my tab/dock batteries die... This will allow me to see what battery percentage is being reported when the device finally shuts off too...

EDIT - After a little over 5 hours of running the battery drainer app, I'm now at:

- Dock: 38%

- Tablet: 83%

EDIT 2: After a little over 6 hours of running the battery drainer app, I'm now at:

- Dock: 4%

- Tablet: 90% (no longer charging - I'm guessing that the dock stops charging the tablet when it gets to 4% or 5%?
[Asus Transformer TF700] berndblb:
Interesting developments!

After almost 12 hours on Scenario 3 my dock was at 97%, the tablet at 99% (if you can trust those numbers)

Scenario 4: After 20 minutes it's down to 93/90 - so it seems to be working here....
[Asus Transformer TF700] _that:
I've regularly seen my dock at 0%. But the dock stops charging the tablet when the tablet is 90% full.
[Asus Transformer TF700] workdowg:
Scenario #1 after 4 hours - 100/100 (9hrs - 100/99)

Scenario #2 after 3 hours - 100/100

Scenario #3 after 7 hours - 99/100

Scenario #4 after 4 hours - 54/90 (Start 94/70)

Next...

Continuing for another 4 hours... Remember, no peeking...
[Asus Transformer TF700] berndblb:
It took Battery Drainer 80 minutes to bring the combo down to 90 dock/68 tablet.

I uninstalled Battery Drainer (just to be sure) and put the tablet to sleep.
[Asus Transformer TF700] Drenus:
Scenario #1 after 4 hours - 99/98 (Start 100/100) [lost 1% / lost 2%]

Scenario #2 after 4 hours - 96/99 (Start 98/100) [lost 2% / lost 1%]

Scenario #3 after 8 hours - 90/83 (Start 96/98) [lost 6% / lost 15%]

Scenario #4 after 4 hours - 55/89 (Start 89/70) [lost 34% / gained 19%]

DOCK-EC20N-0207
[Asus Transformer TF700] jtrosky:
Well, I went out to wash the car and when I came back in my tablet was powered off, so I assumed it drained the dock and tablet down to 0. However, I powered it back on and while the dock *was* at 0%, the tablet was still at 43%?!?! No idea why it powered off!

I'm now running the Battery Drainer app on the tablet by itself (undocked) to hopefully get it to drain to 0%...

Also, should my dock charging light be blinking amber now while charging? Is that "normal" when it's at 0%?

Very strange stuff!!

I haven't really analyzed any of the results yet - will do after football!

Hmm, my tablet seemed completely dead now - will not even power on now! Even though it thinks it's at 43%!!! WTF!
[Asus Transformer TF700] sbdags:
Sounds like your battery was mis-calibrated (stayed on 100 for too long, and powered off at 43 when it was actually close to 0)

If you fully charge it - it should recover the calibration.
[Asus Transformer TF700] jtrosky:
Yeah, wasn't sure how to "recalibrate" it... Wasn't sure if leaving it 0 for a few hours would work or if I should charge it up... Was thinking that maybe if it sat without power long enough that it would "forget" the charge level... Complete guess though! Even TWRP shows 42% now (if I plug in power long enough to boot it).

I think I'll leave it off the charger for a few hours and if nothing changes, I'll then charge it up and see what happens.

So, knowing this, I wonder if I really *did* have the drain problem the whole time! Crazy....

Thanks for the help!

EDIT: dock charge light quit blinking after a few mins as well.
[Asus Transformer TF700] fsured:
This did it for me. After 8hrs the tablet was warm and batter as 12% dock, 71% tablet. Since I took that screen shot the dock is now drained of all battery.

Mobile dock version : EC21N-0105

I'm going to charge both up and repeat the set up with a total wipe of everything, clean install, and repeat this phase again. See if it was a fluke.
[Asus Transformer TF700] workdowg:
Scenario #1 after 4 hours - 100/100 (9hrs - 100/99)

Scenario #2 after 3 hours - 100/100

Scenario #3 after 7 hours - 99/100

Scenario #4 after 4 hours - 54/90 (Start 94/70)

Scenario #4 after 8 hours - 53/89 - WOW :D

Next...

Continuing for another 4 hours Shift at work (12hrs :) )... Remember, no peeking...
[Asus Transformer TF700] Drenus:
Scenario #1 after 4 hours - 99/98 (Start 100/100) [lost 1% / lost 2%]

Scenario #2 after 4 hours - 96/99 (Start 98/100) [lost 2% / lost 1%]

Scenario #3 after 8 hours - 90/83 (Start 96/98) [lost 6% / lost 15%]

Scenario #4 after 4 hours - 55/89 (Start 89/70) [lost 34% / gained 19%]

Scenario #4 after 8 hours - 54/87

DOCK-EC20N-0207

Looks like the loss in second part of #4 is similar to workdowg.

[MENTION=972963]jtrosky[/MENTION], are we going to continue with testing next weekend? I'm planning on going another 4 hours on #4, and then revert back to my original settings. And do we just drain both tablet and dock, then charge both completely to re-calibrate the battery? I think it may be worth while to re-calibrate before the next round of testing.
[Asus Transformer TF700] berndblb:
OP lists your dock as EC20N-0105?

I assume you have the EC21 which means we have exactly the same tablet/dock combination.

And I don't have any drain whatsoever!!

Dang! This is going to be inconclusive.... Unless your post indicates that you cheated and did not do a clean install for this test series? :D

My results so far:

Scenario 1: 100/100 after 4 hours of sleep

Scenario 2: 99/100 after 4 hours

Scenario 3: 97/99 after 12 hours

drained the batteries in 80 minutes to 90/68

Scenario 4: 49/90 after 2 hours, is still at 49/90 after 4.5 hours

What's # 5? Any ideas?

I would suggest to install some apps known to call home all the time like *** Facebook, maybe a weather app with corresponding widget on the home screen, Tapatalk would be another app that syncs often.

I would test that setup with the tablet well above 70% and then drain it to below 70% again.

And we should probably check if there's drain with the dock empty but still connected.
[Asus Transformer TF700] jtrosky:
Sorry guys - I've been kinda slacking ever since I determined my tests were invalid... I've since fully charged my devices and I'm going to try test 4 again now that my batteries are hopefully calibrated properly...

Otherwise, I think we're done officially testing for the weekend. I'll put all of the data together tomorrow and see if we can gain anything from this testing. I'll update the OP with the results of everyones tests as well.

I may even start the testing all over tomorrow on my device, if possible, assuming my batteries are calibrated. Maybe we should have all done a full discharge/recharge at the very beginning as well, just to make sure out batteries were calibrated properly?

Some thoughts for next weekend maybe...
[Asus Transformer TF700] berndblb:
No problem. Thanks for getting this going.

For those of you who want to continue a little bit and still be able to compare, I am going to install Facebook (not part of my usual setup) and Tapatalk, setup respective accounts and check if that has any influence.

I am now 7 hours on Scenario 4 and still have 49/90 charge.
[Asus Transformer TF700] Drenus:
Last result for this weekend:

Scenario #1 after 4 hours - 99/98 (Start 100/100) [lost 1% / lost 2%]

Scenario #2 after 4 hours - 96/99 (Start 98/100) [lost 2% / lost 1%]

Scenario #3 after 8 hours - 90/83 (Start 96/98) [lost 6% / lost 15%]

Scenario #4 after 4 hours - 55/89 (Start 89/70) [lost 34% / gained 19%]

Scenario #4 after 8 hours - 54/87

Scenario #4 after 12 hours - 53/83

DOCK-EC20N-0207
[Asus Transformer TF700] fsured:
Could be a typo in the communication of which dock I have when I sent in my information. I have the EC21N-0105 model. As to the install type, if it makes you feel better to think I did a dirty install then knock yourself out with that.:highfive:

I just finished doing the install and will try the phase again. It was going well until I did the undock test.
[Asus Transformer TF700] berndblb:
Sorry, didn't mean you to Pi** you off.

My last results from this weekend with Facebook and Tapatalk installed with default settings:

Scenario 5: started at 48/87, after 6 hours I still have 46/86 - wouldn't call that a drain either.....
[Asus Transformer TF700] workdowg:
Scenario #1 after 4 hours - 100/100 (9hrs - 100/99)

Scenario #2 after 3 hours - 100/100

Scenario #3 after 7 hours - 99/100

Scenario #4 after 4 hours - 54/90 (Start 94/70)

Scenario #4 after 8 hours - 53/89 - WOW :D

Scenario #4 after 20 hours - 53/87

I don't know what to say. I haven't had this good battery life since 3.4.7...

I lost my nandroid backup so I will be using the tablet as is and add 1 or 2 apps at a time over the course of the week...
[Asus Transformer TF700] sbdags:
I'd love to know which app it is that screws the battery........ :cool:
[Asus Transformer TF700] fsured:
Oh nah. I wasn't vexed by the comment at all. All good humor and this little bug or whatever is just flat out annoying.

-After letting the tablet sit all night there was little drain. I decided to let it sit as we did in the previous phase to see how it compares once the tablet is undocked. My levels were 100/99% (dock/tab). At at 4pm I will see if I get that same drain again.
[Asus Transformer TF700] drewski_1:
and why docking triggers it.
[Asus Transformer TF700] fsured:
I would like to know the same. On my first pass doing this test the undocking set it off. I tried it again to see if it was a fluke and over night there was no essentially no drain. All day at work no real drain either. I left it alone after undocking it this morning and then reattaching it. Why I got the drain the first time and not this one is a good question. Set ups were the same both tries.

I did phase 3 twice:

First attempt I got the drain and it killed the battery.

Second attempt virtually no change with battery readings at 99/97 (dock/tab)

I just checked it 2hrs after the 8hr mark and it is still reporting 99/97. Perhaps it's not reading the battery level correctly now.