====== Backup UPS Batteries: ======

  * The Projector UPSs
    * At 18% load (projector off, but ART cameras connected), the projector batteries will last about 80 minutes.
    * At 47% load (projectors on), the batteries will last aout 11 minutes.
  * The Server Rack UPS
    * With the head node, render node, ART computer, DVI extenders, and Cisco Ethernet Switch connected, the rack runs at about 40% load and the battery estimates about 24 minutes of battery run time if power is lost.