The E1515XT-1WR3 from MORNSUN is a DC to DC Converter with Input Voltage 13.5 to 16.5 V, Output Voltage 1 15 V, Output Current 1 4 to 4 mA, Output Power 1000 mW, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck-Boost. More details for E1515XT-1WR3 can be seen below.