Order the LM317 DC-DC Step Down Buck Converter - SoundImports
5A XL4015 DC-DC Step Down Buck Converter Module Power Supply LED Lithium Charger | eBay
lm2596 dc-dc 3-40v adjustable step-down power supply module
5 pcs Mini DC DC Buck Converter Step Down Module 1.3A Adjustable Step Down Conversion 12V 24V to 5V 3.3V 9V|buck converter|5v to 12vstep down dc-dc - AliExpress
DC/DC step-down module 3-40V/3A | GM electronic COM
Module DC/DC step-down 1,25-32V/5A, USB, LED display | GM electronic COM
DC-DC Adjustable Step-Down Module - LM2596 IN 4.5-40V OUT 1.5-35V - Sound Division & Surplustronics
DC-DC Step Down Converter + USB 5A (4.8V~38Vdc to 1.25V~36Vdc) - RAM Electronics
MP1584 Mini Adjustable DC-DC Step-Down Module - ProtoSupplies
DC/DC step-down converter module 1.25-37V/1A, LED Voltmeter | GM electronic COM
DC/DC step-down converter module 1-17V/1A, miniature | GM electronic COM
DC-DC 10A Step Down Adjustable Constant Voltage Current Power Supply Module Sale - Banggood New Zealand
Nettigo: DC/DC STEP-DOWN converter MP2315 6-24V to 5V 3.0A USB A [Yā nǔ shén]
300W High Power DC-DC Step Down Converter at Rs 320/piece | DC-DC Converters - Nex Digitronix LLP, Pune | ID: 20578198155
Amazon.com: DC-DC Buck Converter Step Down Module, 30A 800W High Power Constant Voltage Module 12V24V36V48V Adjustable Buck Converter Step Down Voltage Regulator Module : Electronics