xbattmon is a simple battery status bar for X. It draws a thin (2-pixel)
bar at the edge of the screen, indicating battery status using different
colors.

xbattmon is configured at build time. The following variables can be
passed to the SlackBuild script (VAR=<value> ./xbattmon.SlackBuild):

  COLOR_CHARGED=<color>       (default: green)
  COLOR_LEFT2CHARGE=<color>   (default: grey)
  COLOR_DRAINED=<color>       (default: red)
  COLOR_LEFT2DRAIN=<color>    (default: blue)

  RAISE=yes|no        (default: no)
    Raise the bar above other windows.

  CRITICAL=<number>   (default: 5)
    Battery percentage at which the bar starts blinking.

  TRANSPARENT=yes|no  (default: no)