The Xtralis Power Supply is capable of providing operating power including battery backup for the entire VESDA Laser Smoke Detector product lineand VESDA-E detectors. The Xtralis Power Supply has been designed to power a single unit to multiple units depending on application needs. Itprovides 24 volt operating power to the VESDA or VESDA-E system as well as a battery charger function which supervises and maintains the standby batteries.