Seven WMI classes are used to describe items related to power on a system that runs the Win-
dows operating system. The most interesting are the ones related to laptop batteries. By using
these classes, you can retrieve information about the status of portable batteries, how much
run time is left on them, and the chemistry used in those batteries. We examine two of the bat-
tery classes in this section because they are the most useful from a network administrator per-
spective. Scripts related to the remaining classes are on the accompanying CD in the cimv2
folder. Additional ...
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