10pcs 5V-30V Input 3.3V 5V Output DC-DC Step Down Board 3A Max Current

Dual 5V Output Wide Input 9-48V Step-down Regulator Up To 85% Efficiency

9-48V Input Dual 5V Output Dual Isolated 5V Outputs Step-down Regulator

Adjustable Voltage Step Down AC DC Input Range 5V 50V Output

Stepdown Supply for AC 5V 30V DC 5V 50V Adjustable Voltage Output

DC-DC Converter Dual Adjustable Output 3.6V 30V Input High Efficiency Design

4PCS 5V 3A Step Down Charging Board DCDC Converter 7.5-28V Input Voltage PCB

DC-DC Dual Output Adjustable Converter 3.6V to 30V Input 60x34x15mm Size