The ALTRONIX-AL125ULX is a power supply/charger that converts a 115VAC input into two, PTC protected 12- or 24VDC outputs.The power supply is equipped with short circuit and thermal overload protection for optimal performance. Sealed lead acid and gel type batteries are compatible with the built-in battery charger, which ensures the backup battery is always at full capacity. Following an AC power failure, the power supply automatically switches to backup battery power.The unit comes housed in a grey enclosure. Also known as -AL125ULX Proprietary Power Supply-Altronix AL125ULX Proprietary Power Supply - 110 V AC Input Voltage - Wall Mount-Altronix AL125ULX Power Supply/Charger