1. dougb2000's Avatar
    I know that there are several threads tied to battery drain while in sleep or hybernate mode, however, my issue is with my Surface Book "SHUTDOWN'. If i am at 100% charge and then shutdown and leave it for 1-2 weeks, it will be nearly dead when I power it on. This seemed strange so over the past 2 days I ran a test against my Surface Pro 3:

    After: Surface Pro 3 Surface Book
    24 hours 100% 93% (96%/84%)
    48 hours 100% 87% (89%/81%)
    72 hours 100% 81% (82%/79%)
    144 hours 100% 75% (75%/76%)

    This confirmed my concern. I will check again tomorrow morning. I don't use it that often but when I want to use it I want to pull it out of the case and turn it on without having to plug it in. I called MS and they suggested factory reset, which I can do but i have a lot of stuff on it (same as Surface Pro 3) and I'm not sure I understand why the software I have installed is causing battery drain when the Surface is shut down. All I can think is perhaps there is a USB wakeup function or some other sort of wakeup function or maybe the circuit to eject the screen is running even after shutdown.

    Anyone have any comments or thoughts?

    (Update)
    As you can see with the new measurements, the Surface Pro continues to sit at 100% even after a week. What is a little interesting with the Surface Book is that it lost nearly 6-6.5% per day, however after Friday it was off for 3 days and after being turned back on, it dropped 6% total, not 6% per day. Almost as thought it waits for some amount of time before being fully off and prior to that it drops around 6%.

    Thanks,
    Doug
    Last edited by dougb2000; 01-11-2016 at 02:51 PM. Reason: reorganized table
    01-07-2016 12:02 PM
  2. spasell's Avatar
    Happening to me as well
    01-07-2016 03:17 PM
  3. zerospace-net's Avatar
    I find this interesting, but can't say I've seen it, since I do not shut my Surface Book off pretty much ever. I wonder how many folks would not notice a problem like this for the same reason?

    I do know that batteries will lose charge even while a machine (or any device) is off, though most discharge at a very, very slow rate. I am wondering, though, if the Surface Book's "muscle wire" (the mechanism that holds the clipboard to the base) has to do with the faster drain rate while powered down? I thought that a voltage has to be applied to that wire in order to make it release (or grab) the clipboard when detaching/re-attaching, but I wonder if there's any sort of more constant voltage being applied to it, even while the device is off. I'll admit I haven't looked at the iFixit teardown for the Surface Book just yet, so perhaps that would yield something more conclusive on this idea.
    01-08-2016 09:09 AM
  4. dougb2000's Avatar
    I did see a post on one of these forums that said they went to start and then shutdown and it appeared to shutdown but if they pressed a key then keyboard would light up which I would think should not happen. I haven't checked mine for this yet.
    01-08-2016 09:48 AM
  5. JaimitoFrog's Avatar
    Someone posted about disabling keyboard or mice waking in the device manager, although I have not tried this.

    I have shut down the SB at 100%, and turn it on after 10hr later, and it was still at 100%.
    01-10-2016 03:13 AM
  6. dougb2000's Avatar
    If any of you have a Surface Book and don't use it every day, any chance you could charge it up, shut down and then power up and check the battery charge at 24 hours and 48 hours, shutting down in between? MS's next request to me is to go with a factory restore but if one you gets the same battery drain that I am then I think a factory restore is a waste of time.

    Thanks,
    Doug
    01-11-2016 12:29 PM
  7. dougb2000's Avatar
    Interesting, I decided to check updates again and there was a "hardware" update. Seems this must have come over the past week or so. Anyway, I clicked shutdown and as soon as it was off I tried pressing a key, which in the past the keyboard would light up, but did not this time. So, I'm trying again, we'll see how it looks tomorrow morning and I'll report back.
    01-11-2016 03:42 PM
  8. dougb2000's Avatar
    Looks like that was of no help. After 20 hours I have 96%.
    01-12-2016 09:10 AM
  9. zerospace-net's Avatar
    Interesting, I decided to check updates again and there was a "hardware" update. Seems this must have come over the past week or so. Anyway, I clicked shutdown and as soon as it was off I tried pressing a key, which in the past the keyboard would light up, but did not this time. So, I'm trying again, we'll see how it looks tomorrow morning and I'll report back.
    The last hardware update I got was 12/17. Haven't seen anything since...
    01-12-2016 09:58 AM
  10. dougb2000's Avatar
    Perhaps. I decided to do a factory reset and see how the battery life is without anything installed. If it has the same drain then I'll have them swap it out. This forum definitely seems to suggest that some of the hardware is bad and others are having no issues. There is a forum post over at Microsoft Answers that suggest this. I tried to post it but I don't have enough posts to post links yet.
    01-12-2016 02:29 PM
  11. dougb2000's Avatar
    Ok, no go, after a factory reset and without adding any software, the battery still depleted with it shout down. So, I have ordered a replacement and will let you know if that's any different.
    01-14-2016 08:32 AM
  12. spasell's Avatar
    I have the same issue and many others are well.
    jywang likes this.
    01-14-2016 12:19 PM
  13. dougb2000's Avatar
    I just got the replacement yesterday, charged it to 100%, and then let it sit on shutdown overnight and it's down to 96%. What puzzles me is the handful of people that say that their Surface Book stays at 100%. Is it only a small handful that do work? Very strange. I could get another replacement but I suspect that would be no different. Looks like let it go a bit longer and see if they find a solution.
    01-19-2016 08:02 AM
  14. chuckk9032's Avatar
    Same issue here. Surface Book discharges when off. Surface Pro 4 does not. Tired of waiting for a solution or any useful information from Microsoft.
    01-22-2016 11:27 PM
  15. sprintrjm's Avatar
    I just did the firmware update from1-27-16 it said that it would fix some battery issues.

    I can confirm that my surface book dropped 10% over night, it was shutdown at 100%.

    good thing i got this for only $1100 on craigslist. Back to craigslist you go...
    01-30-2016 08:05 PM
  16. zerospace-net's Avatar
    I just did the firmware update from1-27-16 it said that it would fix some battery issues.

    I can confirm that my surface book dropped 10% over night, it was shutdown at 100%.

    good thing i got this for only $1100 on craigslist. Back to craigslist you go...
    This update did not fix the battery drain problem -- it only addressed charging speed, from what I've read. MS has promised an update for the battery drain issue (which is rumored to be an Intel skylake issue) asap.
    01-30-2016 10:25 PM
  17. sprintrjm's Avatar
    thanks for the good info, glad they addressed the charging speed.

    On a side note this web site is unusable to reply from IE or the edge browser on my surfacebook.

    It lags so bad, which im sure is because of the auto spell check feature.

    Funny that a windows forum is only usable with the chrome browser.
    01-31-2016 04:36 PM
  18. Alan T1's Avatar
    This possibly explained why my brand new SB I unwrapped today was completed battery depleted. It was 0%.

    Electrnics I have had in the past usually 50-60% charged upon unwrapping.

    This is a bad omen to my experience with the SB.
    02-04-2016 08:57 PM
  19. netwirejohn's Avatar
    I opened a case with Microsoft about this yesterday and they told me to bring it to the store to get it swapped. I also had find it weird that it would drain with it being powered off and it was last left at 100%. I also had purchased this back in November 2016.
    02-15-2017 12:47 PM
  20. dov1978's Avatar
    Someone posted about disabling keyboard or mice waking in the device manager, although I have not tried this.

    I have shut down the SB at 100%, and turn it on after 10hr later, and it was still at 100%.
    I was having this problem with my SP2 until I did this change and it made all the difference.
    02-15-2017 01:02 PM
  21. netwirejohn's Avatar
    It seems odd that would be the issue, since I could understand it if the device was in sleep, but also being shut off completely seems not the normal circumstances.
    02-15-2017 01:06 PM
  22. netwirejohn's Avatar
    So I've received the new replacement Surface book and the same problem persists. I still can't figure why this continues to occur. Microsoft tech support says the replacement device is also defective...
    02-25-2017 08:34 PM
  23. imtiyazp's Avatar
    Hi there,

    I was always using my Surface book (about 2 months old) with the power cable plugged in before I even switched it on. A few days ago I started the Surface book after a proper 15 hour shutdown and it would not start up. After plugging it in, I realised both batteries were about 2%. So I fully charged the unit and then did the same experiment overnight. The charge was about 7% in the morning. I started an online char with Microsoft who first asked me to install the MSI file drivers from their support page. I told them I had already done this and also the Windows updates already included the drivers and my Surface book was completely up to date. Then MS suggested that I do a USB restore from their Windows 10 image for their Surface book on from their Support page. I told them I had already done this and the issue was still there on a fresh install of Windows 10. So they said I could replace the unit. But I hesitated since MS said I may get a refurbished one. I told MS that I spend a lot of money on a 1TB, 16GB Surface and was not going to accept a refurbished one. They did not reply to this comment. So I decided to do some further tests and found something interesting.
    If I was to shutdown the Surface book and immediately close the screen after the screen goes black, I seem to have the battery drain issue. But if I wait 30 seconds or press any key that would make the keyboard light up for a second and then close the screen the battery drain issue is not there. I am now thinking is this a hardware issue or software issue?
    02-26-2017 04:04 AM
  24. imtiyazp's Avatar
    Was the replacement device a Brand new one or a refurbished on?
    02-26-2017 04:05 AM
  25. imtiyazp's Avatar
    Hi there, please put my big reply to you on the main page, I do not have the text anymore, :-)
    02-26-2017 04:07 AM
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