Barry bought a Microsoft Surface Pro 4. Leo says to update it right away if he hasn't. It solves a lot of problems. Barry did that, but his battery life is terrible. He's determined that it's Skype and it keeps trying to connect. Leo says to be sure to get the firmware update. That will improve power management.
Leo suggests that Barry check out this tech note at answers.microsoft.com. Here's another article on battery use with Skype at forums.windowscentral.com.