Extech EXT382202 382202 3 Amp 18 V Power Supply

Amazon

Adjustable 0 to 18V and 0 to 3A output Dual backlit LCD displays for voltage and current Short Circuit and overload protected Load regulation 0.01% + 2mV for constant voltage and 0.2% +3mA for constant current Operates from 120VAC 10%/60Hz

Test-meter.co.uk

18V/3A DC power supply with dual LCD displays, short circuit protection, constant voltage/current output. Banana plug terminals. 2-year warranty. Precise voltage regulation for professional electronics.