Amazon.com: DROK Waterproof DC Buck Converter Voltage Regulator 8-22V to 3-15V 5V 12V 3A Adjustable Output Power Supply Transformer Step-Down Volt Module Board for Car Auto Vehicle Motor Regulated SR : Electronics
75V to 10V DC DC Buck Converter Circuit
DC-DC Converter with LED Volt Meter Buck LM2596s 1.5-37V