High power programmable switching power supply, standard RS485 serial communication, support MODBUS RTU protocol; standard remote compensation, more accurate measurement; with 10mV/10mA resolution; output voltage and current can be preset; overvoltage protection, overcurrent protection threshold from 0 to the maximum rated value of the arbitrary settings; six groups of data storage call, with "LIST Six groups of data storage call, with the "LIST mode & delayer function, can be set to 6 groups of arbitrary voltage, current output, output interval time adjustable, to realize the real online programming function; with short-circuit, over-voltage, over-current, over-power, reverse polarity protection function. High output efficiency, one key control output on-off switch, convenient and safe; widely used in product aging maintenance, battery charging, experimental testing, production testing, electrolysis plating and other industries