A four percent drain in two days does not seem unreasonable. Is this for both batteries or one? A battery will not stay at 100% even when not in use.
surface book battery drain while shut down
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Anonymous
Split from this thread.
I have been noticing that when I shutdown my surface book, when I power it on the next day the battery has drained some. If I leave it off for a couple of days it will drain down from 100% to around 85% or lower.
I disabled fast startup... and then just decided to disable hibernation altogether. That didn't help.
I have windows hello disabled, but that shouldn't matter anyway since I'm shutting it down, not sleeping.
Some searching and I found a general windows 10 issue with the "Intel Management Engine Interface" driver. Some say that v11 can cause this issue. One solution that I have seen suggested is to go into device manager and in the power management tab for this device uncheck the option that allows windows to power it down to save power. I tried that and it didn't help.
Others have suggested downgrading the driver from v11 to v9 or v10, but I don't know where to get v9 or v10 of this driver that is compatible with the surface book. Anyone know if one of the downloads on Intel's site would be compatible?
So, has anyone else noticed this issue and know of a fix?
Surface | Surface Book | Power and battery
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Anonymous
2016-02-02T08:55:49+00:00 -
Anonymous
2016-02-01T06:35:10+00:00 Text me I want to see what is happning to you I have same your problem . (PII removed)
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Anonymous
2016-02-01T03:50:05+00:00 Did firmware update 1/27/2016. 70% when completely shut down and two days later, 66%!! Ridiculous!
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Anonymous
2016-01-30T19:18:08+00:00 MS released a new Surface Book firmware update and there was also a Win10 update. Firmware came out on 1/27 and I installed both the firmware update and the Win10 update yesterday. I did the 24 hour shutdown test with these new updates and happy to report that so far I am seeing an improvement.
Before, I would lose about 5% a day when the SB was shut down. This time, I only lost 1% total (2% on Battery 1, and 0% on Battery 2.)
I haven't tested with Hibernate yet, but so far this looks promising.
I'm curious what others see once they have a chance to install and test. Fingers crossed!
Just did a Hibernation test, and only for 12 hours this time. This time it drained 3% total in 12 hours. Battery 1 drained 2% and Battery 2 drained 6%. Ridiculous. Not only should it not drain this fast when in Hibernate, but why is the tablet battery draining more than the keyboard/base?
I'll be retesting the shutdown again when I get the opportunity.
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Anonymous
2016-01-30T18:11:25+00:00 No luck for me. Shut down 2 nights in a row after the lastest update. This morning 5% battery drain on the tablet. In comparison to my Mac, which I have not been on for 2 weeks, 1% drain.