The FlexPower FPO150-B100E1 is a dual voltage offline power supply-battery charger specifically designed for the lifesafety industry. Capable of providing two pairs of outputs, each pair user selectable for 12 or 24 V DC, the unit is configured in a painted, steel, locking enclosure with tamper switch and integral battery space.One output of a pair provides continuous output power for system use, the second is programmable for either fail-safe or fail-secure operation, activated when the fire alarm disconnect is initiated.