wmacpi(1) on Linux
The text 250d741d8290, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Battery status monitor for systems supporting ACPI
Flags it lists
-
-V -
-a -
-b -
-c -
-d -
-f -
-h -
-n -
-r -
-v -
-w