The BK1301-9R from Bel Fuse is a DC to DC Converter with Input Voltage 14 to 70 V, Output Voltage 1 12 V, Output Current 1 12000 mA, Output Power 144000 mW, Operating Temperature -40 to 71 Degree C. Tags: Chassis Mount, Buck/Step down. More details for BK1301-9R can be seen below.