The 9-18AB48A115 from Acopian Technical Company is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 48 V, Output Current 1 0.44 to 1.15 A, Isolation Voltage 0.5 kV, Operating Temperature -20 to 71 Degree C. Tags: Chassis Mount, Boost/Step Up. More details for 9-18AB48A115 can be seen below.