Compaq Armada M300 Series Reference Manual page 40

The battery meter icon, called the power meter icon in
Windows 98 and Windows 2000 Professional, indicates whether
the computer is running on external power or on a full, half-full,
or nearly discharged battery pack.
To display the battery meter icon in the taskbar
In Windows 95 select StartÆSettingsÆControl
PanelÆPowerÆBattery Status tab, then select the Show
Battery Meter on the Taskbar check box.
In Windows 98 select StartÆ SettingsÆControl
PanelÆPower ManagementÆPower Meter tab, then select the
Show Power Meter on the Taskbar check box.
In Windows NT 4.0 the battery meter icon displays in the
taskbar by default. In addition, you can select
StartÆSettingsÆControl PanelÆCompaq Power
PropertiesÆAdvanced tab.
In Windows 2000 Professional select
StartÆSettingsÆControl PanelÆPower OptionsÆPower
Meter tab, then select the Show Battery Meter on the Taskbar
check box.
When the battery meter or power meter icon is displayed in the
taskbar, the icon can also be used as follows.