Working on a script/module that involves querying the battery (in a laptop, for the moment) via WMI. Is there any reason to use the classes in root\CIMv2 versus those in root\wmi? I ask particularly since I have seen some odd things in my testing when looking at the classes Win32_Battery and CIM_Battery, as well as a couple of other ones under root\CIMv2. Currently I'm looking at the classes in root\wmi, and I don't seem to have the same issues.
With a quick search using my Google-Fu, most of the blogs\scripts are using the Win32_Battery class. There is another PowerTip that uses .NET to get battery data. If you do some research, the Win32_Classes get their information from CIM. Not sure if it's a good analogy (SQL), but the information database is CIM and the Win32_ classes are like views (compiled from one or more CIM sources). You can get some WMI information here: http://msdn.microsoft.com/en-us/library/aa394554(v=vs.85).aspx
Rob, many thanks for those links! The PowerShell Magazine one is particularly cool.
Don, Excellent information.. I read something somewhere about root\wmi not being "supported", but since it provides what I'm looking for better (and more consistently), I think I will stick with it. Many thanks!