BSIDE 40V/20A Programmable DC Power Supply Variable Bench Power Supply, Encoder Knob with Memory Storage, Adjustable Switching Regulated Lab Power Supply, 4-Digits LED Display with Output Button

[40V/20A/300W]: The variable dc power supply can provide output voltage up to 40V, and output current up to 20A, the maximum output power is 300W.;
[Programmable]: The lab power supply comes with a software and USB interface communication cable. With the software, you could customize the output voltage and current through your computer, you could also export the tested data for analysis.;
[Encoder Adjustment Knob]: The switching regulated power supply equipped with a high precision encoder knob. Pressing the knob to switch the number of digits, rotating the knob to customize each digit from 0 to 9.;
[Memory Storage]: Handheld power supply can storage 3 sets of data, for example your commonly used voltage and current, you can active the commonly used data by pressing the button (button 1, 2 or 3) once.; [Auto C. V. and C. C.
Mode]: The portable battery power supply can be used as a constant-voltage(C. V. ) power supply and constant-current (C. C. ) power supply. It switches automatically between CV mode and CC mode according to the changes in the load.;
[Output Switch Control]: When the output button of this DC power supply in on status, you don't always have to go into enclosed or small spaces to manually switch the power output. When in off status, it protects against electric shocks.; [4-Digit Display &
Power Calculation]: The bench power supply features a big bright 4-digit LED display that shows measured values of Volt/Amp/Watt that the unit outputs in real-time.;
[OVP/OCP Protection]: The adjustable power supply has an OVP/OCP switch button, which allows you to select whether to turn on or off the overload protection according to your work needs.