6 Pcs x LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module

6 Pack x LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module Features: Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost) Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A Notes: The input and output interface can not be reversed. Keep it under 2.5 A and use the heat sink when working for long hours. Package includes: - 6 pcs x converter boards