Yeah. I spent hours yesterday on MS support call with the technician just doing standard System file scans, windows update checks and review my power settings.
They also ran some type of Power Efficiency Diagnostics Report and some remote tools.
I tried explaining its not just an issue with my SP4 with type covers but all SP4 with type covers.
I also sent them a link to this post
http://answers.microsoft.com/en-us/surface/forum/surfpro4-surfdrivers/battery-drain-when-type-cover-4-is-connected-and/c63eed00-fbc0-4258-ac11-5be8e36f6230
The phone support techs don't get it. They just have to run through their diagnostic scripts and their procedure.
How about MS Support actually test it on a device in their support team.
I provided step by step instructions. They should see if they can reproduce it on their device. Then they could troubleshoot it all they like without having to waste my time. Then get back to me on what the actual problem and when it will be fixed.
Frustrated!!!