The AK2540-9R from Bel Fuse is a DC to DC Converter with Input Voltage 8 to 35 V, Output Voltage 1 15 V, Output Current 1 4000 mA, Output Power 120000 mW, Output Voltage 2 15 V. Tags: Chassis Mount, Buck-Boost. More details for AK2540-9R can be seen below.