The B1212LS-1WR3 from MORNSUN is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 12 V, Output Current 1 9 to 83 mA, Output Power 1000 mW, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck-Boost. More details for B1212LS-1WR3 can be seen below.