10 Pack USB DC-DC Step Down Module 6V-32V Input 5V 12V Dual Output Board

10 Packs USB Step Down Converter DC-DC Module 6V-32V to 5V/12V Charging Board

5V 3A Dual USB Output DC-DC Step Down Module for Automotive Solar Power

XC7010 10W Isolated Step-Down DC Power Module 18-70V Input 5V or 12V Output

Voltage Step Down Module 6V-40V Input to 5V 3A Output with Dual USB Ports

XC7010 Isolated DC Power Module 18-70V Input 5V 12V Output 10W Step Down

3pcs XL4015 5A DC-DC Step Down Module 5V-32V Input 0.8V-30V Adjustable Output

5V 3A Dual USB Output DC DC Converter for 6V-40V Wide Input Voltage Range