The FLEXPOWER FPO75/150-C4D8E1 is a dual voltage, offline switchmode power supply-battery charger system specifically designed for the access control segment of the lifesafety industry. The unit is configured in a painted, steel, locking enclosure with tamper switch and integral battery space, and provides two power supplies, each of which can be set to 12 or 24V. Eight auxiliary outputs are provided for readers, REX devices, or other similar units with each output selectable for either power supply. Four access controlled trigger inputs control four relay based lock outputs, with each output selectable for either power supply, and programmable for fire alarm disconnect, failsafe, failsecure, or dry contact operation. Complete fault detection and reporting, with programmable fault delays, is provided along with datalogging capability of fault occurrence, battery usage time and power supply status.