1Coarse & Fine Encoder Knob: SPS-C bench power supply upgrades from traditional potentiometer coarse & fine adjustment knobs to encoder coarse & fine knobs making it more convenient to set your desired voltage and current and greatly improve your work efficiency!! The coarse knob sets the value before the decimal point, and the fine knob sets the value after the decimal point. (Setting resolution 0.01V/0.001A). 2USB-A & USB-C 20W Quick-Charge: The desktop power supply features Type-A and Type-C dual charging ports, both supporting 20W fast charging. Convenient for charging your smartphone and powering up your Arduino UNO, Raspberry Pi, or other electronic modules for your projects. 3Intelligent Battery Charging: With a single press of the added CHG button to activate Intelligent Battery Charging function. The real-time display of charging power (Ah) keeps you informed of the battery level. And SPS-C power supply will automatically stop charging when your battery is full. There is also