Ubiquiti Edgepower EP-54V-150W-DC Secondary DC PSU

Specification:

Power Method: DC/DC 150W for 22 - 60V Input, DC Terminal Block for 54V Output
Power Supply: DC/DC 150W for 22 - 60V Input
Supported Voltage Range: DC/DC for 22 - 60V Input, 54V Output
Battery Type: 2/3/4 Series Lead Acid Battery
Maximum Charging Voltage:
2 Series - 26.8 - 27.5V
3 Series - 40.2 - 41.2V
4 Series - 53.6 - 55V
Discharge Protection Voltage:
2 Series - 21.5V
3 Series - 32V
4 Series - 43V
Charging Current:
2 Series - 0.3A
3 Series - 0.3A
4 Series - 0.2A
LED: System On/Off
Operating Temperature: 0 to 40° C (32 to 104° F)
Operating Humidity: 10 to 90% RH
ESD/EMP Protection: Air ± 8KV; Contact ± 6KV
Certifications: CE, FCC, IC