Voltage Converter 6-40V Buck Module DC-DC 5V 3A Step-down Module Double USB Charging
5V 3A DC Voltage Converter Module DC-DC Step-down Module Double USB Charging Board
This is a small and efficient high-current step-down module volume. one board charging interface suitable for conversion. Presoldered SMD LED indicates output.
You often travel and dont have a USB power availabel. This module can be installed to supply USB power from car battery.
The vehicle power conversion, electric cars, motorctcles, auto install USB port.