High-power programmable switching power supply, standard RS485 serial communication, support MODBUS RTU protocol; standard remote compensation, more accurate measurement; 10mV/10mA resolution; output voltage and current can be preset; overvoltage protection, overcurrent protection valve The value can be set arbitrarily from 0 to the maximum rated value; six groups of data storage and recall, with the "LIST" list mode & delayer function, can set 6 groups of arbitrary voltage, current output, output interval adjustable, and realize real online programming Function; with short circuit, overvoltage, overcurrent, overpower, reverse polarity protection functions. 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, electrolytic plating and other industries.