1800W ZVS Induction Heating Board Module Flyback Driver Heater coilfan; 12V to 48V low voltage DC power supply with a maximum current of 40A. It can work continuously for several hours with good heat dissipation; every effort to provide customers with satisfactory service.; With a cooling fan interface, can also do discharge, generator voltage inverter, etc; Please do not exceed 48V 35A to prevent accidents and damage