The Win32_PortableBattery class contains the the population of the DMTF|Portable Battery group, as defined in the DMTF Mobile ...

The Win32_PortableBattery class contains the  the population of the DMTF|Portable Battery group, as defined in the DMTF Mobile Supplement to Standard Groups, v1.0 (section 3.3.23 of the SMBIOS spec) and describes the attributes of the portable battery(s) for the system.  The class contains the static attributes for the group and describes a single battery pack's attributes.