Amazon.com: Teyleten Robot 100W 6A DC-DC Buck Converter 10-90V 12V 24V 36V 48V 60V 72V 86 to 1.5V-60V 5V 15V 19V Step-Down Power Voltage Regulator Module : Electronics
Dc-dc Buck Converter 8v-120v 96v 84v 72v 60v 48v 36v Step-down To 5v 9v 12v 15v 19v 24v Voltage Regulated Usb Power Supply Car - Replacement Parts - AliExpress