とりあえずこれ覚えておくといろいろ調べやすいかも。
PS C:\> Get-WmiObject -List
NameSpace: ROOT\CIMV2
Name Methods Properties
---- ------- ----------
__SystemClass {} {}
__thisNAMESPACE {} {SECURITY_DESCRIPTOR}
__Provider {} {Name}
__Win32Provider {} {ClientLoadableCLSID, CLSID, Concurrency, DefaultMachineNam...
__ProviderRegistration {} {provider}
__EventProviderRegistration {} {EventQueryList, provider}
__ObjectProviderRegistration {} {InteractionType, provider, QuerySupportLevels, SupportsBat...
__ClassProviderRegistration {} {CacheRefreshInterval, InteractionType, PerUserSchema, prov...
__InstanceProviderRegistration {} {InteractionType, provider, QuerySupportLevels, SupportsBat...
__MethodProviderRegistration {} {provider}
__PropertyProviderRegistration {} {provider, SupportsGet, SupportsPut}
__EventConsumerProviderRegistration {} {ConsumerClassNames, provider}
たとえば、バッテリ情報
PS C:\> Get-WmiObject -Class Win32_Battery -ComputerName .
別マシンの情報を見たいとき
PS C:\> Get-WmiObject -Class Win32_Battery -ComputerName [ホスト名 or IP]
