windows 10 battery report

How many times have you used a computer and wished you knew why the battery isn't holding a charge or what is draining your battery (especially when it should be able to go into standby and not drain your battery between meetings or on your way home/overnight).  Wouldn't it be great if Microsoft included a feature to help you with this?  They have - it's a command with two parameters.  We will learn more about it next week.