The Keysight Technologies E3615A is a single output precision DC power supply designed for applications in commercial and industrial electronics, research and educational laboratories. It offers a dynamic range of 0-6V and 0-25A, allowing the user to set their desired output voltage and current. The power supply also boasts a stability of 0.008%/hour and a low temperature coefficient of 0.005%. With these features, the E3615A provides a reliable and accurate power source. The power supply is programmable, so users can configure the output voltage or current to match their desired level. To complement its accuracy, the E3615A also offers a comprehensive set of protection features, such as over-voltage, over-current, and over-temperature protection. It also features a built-in Constant Voltage/Constant Current (CV/CC) mode. In addition, the power supply is equipped with an advanced fan-speed control system, enabling the user to minimize the operating noise. The E3615A is an ideal choice for use in commercial and industrial electronics, research and educational laboratories.