Power Supply/Charger w/Fire Alarm Disconnect and VR6 - 24VDC @ 10A max. plus 12VDC @ up to 6A, one (1) aux. power output, AC & battery monitoring, Low battery cutoff, Over voltage protection, PDS8 - Dual Input/Output PTC Power Distribution Module. Encl. 13"W x 13.5"H x 3.25"D accomodates up to (2) 12VDC/7AH batteries.