Surface Pro 6 i7 1TB Battery Drain from 100% to 74% when turned off

I seem to be plagued by a battery drain issue with the Surface Pro 6.

Here is a quick rundown:

7/6/19 I bought a Surface Pro 6 i7 1TB. This device turned out to have a defective screen so I took it in for a replacement on 7/27.

7/27/19 I am assigned (what I later discovered was a refurbished unit) a replacement unit. A few days after that I started to notice that when I leave it at 100% at night, unplug it, go to bed, and when I wake up in the morning it would only have 74% o 75% battery left! Also when it is 100% and I unplug it, take it with me to work, by the time I reach my office about 45 minutes later then turn it on it only has 74 to 75% battery left! I was able to observe this multiple times. I tried several troubleshooting steps to no success. I am not using hello cortana face unlock or anything fancy.

8/15/19 I went to a Microsoft Store to ask them to take a look at the battery drain issue, and they said they saw nothing wrong and suggested I factory reset the unit which I did when I got home! But the following day the same issue appeared! 

8/16/19 I went back to the Microsoft Store and told them the issue has not gone away. They issued me a brand new Surface replacement. At last I thought that was the end of the issue. I left the unit charging overnight, and this morning it was showing 100%. Out of curiosity I wanted to find out if this unit would have the same issue so I turned off the device at 100%, unplugged it, then left it for a couple of hours. When I turned it back on the battery was showing 74%!!

At this point I don't even know what to do. If anyone has a solution to this problem please share, otherwise I have no choice but to make another trip to the Microsoft Store for a possible fourth replacement.

Here is the drop observed this morning - 

08:11:51 Suspended  100 %  47,150 mWh          
10:13:56 Connected standby  AC  74 %  34,960 mWh          

My entire battery report is below: 

2019-08-1614:45:56 Active Battery 47 % 22,420 mWh
14:49:23 Connected standby Battery 46 % 21,840 mWh
14:49:23 Suspended 46 % 21,840 mWh
16:22:26 Connected standby Battery 46 % 21,790 mWh
16:22:26 Active Battery 46 % 21,790 mWh
16:22:26 Active AC 46 % 21,790 mWh
16:31:39 Active Battery 50 % 23,960 mWh
16:31:51 Connected standby Battery 50 % 23,910 mWh
16:32:52 Connected standby AC 50 % 23,870 mWh
16:33:09 Active AC 50 % 23,950 mWh
17:11:21 Active Battery 70 % 33,260 mWh
17:12:11 Active AC 69 % 33,080 mWh
19:42:15 Active Battery 100 % 47,690 mWh
19:42:21 Connected standby Battery 103 % 49,200 mWh
19:43:04 Connected standby AC 103 % 49,200 mWh
19:43:18 Suspended 103 % 49,200 mWh
19:47:02 Active AC 100 % 49,200 mWh
20:22:00 Suspended 100 % 49,200 mWh
20:26:51 Active AC 100 % 49,200 mWh
2019-08-1707:52:00 Suspended 96 % 47,150 mWh
07:57:23 Active AC 100 % 47,150 mWh
07:57:23 Suspended 100 % 47,150 mWh
07:58:28 Active AC 100 % 47,150 mWh
08:04:00 Suspended 100 % 47,150 mWh
08:07:48 Active AC 100 % 47,150 mWh
08:11:51 Connected standby AC 100 % 47,150 mWh
08:11:51 Suspended 100 % 47,150 mWh
10:13:56 Connected standby AC 74 % 34,960 mWh
10:13:56 Connected standby Battery 74 % 34,960 mWh
10:13:56 Active Battery 74 % 34,960 mWh
10:13:56 Active AC 74 % 34,960 mWh
10:13:56 Active Battery 74 % 34,960 mWh
10:14:18 Active AC 74 % 34,850 mWh
10:16:26 Report generated AC 75 % 35,130 mWh 

 

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Last updated December 1, 2019 Views 1,198 Applies to:

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>I have no choice but to make another trip to the Microsoft Store for a possible fourth replacement.
 
Sadly, that is what I would do in this situation.
 
Barb
My Blog - http://digitalmediaphile.com/
MVP-Windows and Devices for IT
Windows Insider MVP

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I was replaced with another device, but still had same problem. Haizz

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This is normal hardware issue with surface line product. it happen since surface pro 3 and i never thought it still able to happen until now. They really know how to keep making money.

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I met the exact same issue with my Surface Pro 6 i5/8G/256G recently.

When you charge the device to 100% and shut down the machine. It doesn't matter how long you leave it, next time when you turn on the device, the battery will always be 75%, even I just leave it shut down for just one minute.

At first, I guess it may be one of the four batteries in the device went wrong, but after I saw your thread, I think it may be a firmware or Windows update issue.

My Windows Version: 10.0.18362.10012

Surface UEFI: 234.2706.768.0

Surface System Aggregator: 239.3301.139.0 

Similar issue link: https://answers.microsoft.com/en-us/surface/forum/all/battery-drain-overnight-while-shutdown/9cd4c436-a23c-46c8-b595-616ce6561004

Works on my machine!

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I dont know Microsoft, wherever they care about these feeback. Im disappointed.

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From what I know about Microsoft, they are looking into this issue, but they can't make comments until they have a solid solution.

For this issue, I am seeing many others posting threads about it in recent 2 months, so I believe this is a software issue and can be fixed through patches. 

In the history of Surface product lines, software and hardware failures are reported quite often. Surface would be a nice product only if Microsoft can enhance it's quality control. I have used Surface RT, Pro 3/4/5/6, only one of them never had an issue in 1 year. I'm also very disappointed :(

Works on my machine!

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My internal contact replied to my email with "Customers should call into support and also file feedback hub item and share the link to it. " File a Feedback Hub problem report, get the shared link and post it here in a reply.

Barb
My Blog - http://digitalmediaphile.com/
MVP-Windows and Devices for IT
Windows Insider MVP

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I was able to solve this issue on mine. It is a Windows Connected Standby issue and you can find how to disable it here: 

https://www.itprotoday.com/mobile-management-and-security/disabling-windows-connected-standby

Hope this helps!

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My PC barely loses any power at all when in sleep mode, which seems to be when connected standby causes problems. The significant battery drop only happens when it is fully shutdown, which makes no sense. 

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You should not have to disable a FEATURE to get relief from something like this.
It isn't a real solution. Microsoft wants customers to file problem reports
using the Feedback Hub so they can collect logs, etc.
 
Barb
My Blog - http://digitalmediaphile.com/
MVP-Windows and Devices for IT
Windows Insider MVP

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