This simple application presents the following information in a small,
relocatable window on Mac's equipped with the Power Manager (Portable,
PowerBooks, Duo's, etc.):
* battery voltage
* cpu speed
* AC adapter plugged or not plugged
* Charging state (hi charge or trickle)
* 2 timers which are automatically started/halted by detecting the
insertion/extraction of the AC adpater plug:
* actual power-on-time since last charge (ie. how long
your Mac has been in a non-sleep or non-shutdown mode.)