D-Planet [4-Pack] 5A DC-DC Adjustable Buck Converter 4~38v to 1.25-36v Step Down Power Supply High Efficiency Voltage Regulator Module

Input voltage range438V (Note: input voltage not over 38V) Output voltage range1.25-36VDC adjustable. Output current: 0-5A, Output power: 75W High conversion efficiency up to 96% Updated Version: updated from LM2596 and better than it, with reverse voltage protection, over-temperature and short-circuit protection, thus making it much safer to use 100% SATISFICATION SERVICE: If there are any problem with our products, please feel free to contact us. you can request a refund for any single module and no need to return it.; Any problems you can contact us and we will try our best to resolve it till you satisfied.