6PCS LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V DIY Power Supply Step Down Module Adjustable Voltage Regulator Electronic Voltage Stabilizer
SAR 42
2PCS XL6019 3A DC-DC Step-Up Buck Converter Module Adjustable Voltage Regulator 3.0-35V Input to 5.0-40V Output Boost Module
SAR 42
LM2596S Adjustable DC-DC Buck Converter Power Supply Module with Digital Voltage Meter Display Input 4-40V Output 1.25-37V 3A (Pack of 3)
SAR 42