Public Safety DAS Power Enclosure NFPA 1221-48VDC, 480 Watts, 100 Amp Hours Battery Back Up Manual Model PE-48V-480W-100AH June 13, 2017 Public Safety DAS Power Enclosure NFPA 1221-48VDC, 480 Watts, 100 Amp Hours Battery Back Up Manual Model PE-48V-480W-100AH