This product is either discontinued or we cannot get that from suppliers.
Ubiquiti EP-54V-72W, Interface 10/100 Mbps RJ45 Ports, Ethernet In-Band, PoE Output 54VDC Passive PoE (Pins 4, 5+; 7, 8-), DC Output 54V, 1.3A, AC Input 100-240VAC, 50-60 Hz, Universal Input, DC Terminal Block.
The EdgePower 54V 72W is a UNMS monitored and managed 54V DC power supply with integrated battery backup. This product provides WISPs with an easy-to-install 54V redundant power supply that includes a management user interface, SNMP.