Do you want to charge your Pinephone, or run a single-board computer in your car? This, plus an inexpensive USB power cable will allow you to do
Dual USB Output 9V-12V-24V to 5V 3A DC-DC Car Charging Voltage - Stabi
LM2596S Dual USB DC-DC 9-36V To 5V 3A Step Down Buck Converter Board Car Charger Solar Power Supply Module – the best products in the Joom Geek online store
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Dc-dc Buck Converter Car Usb Charger Module 6-24v 12v 24v To 5v 3a Step Down Voltage Regulator Power Supply Module
China Car Charger USB DC converter 12V-36V to DC 5V 4A 20W Manufacturer and Supplier
Dual USB Charging Module
USB DC-DC Adjustable Step-down Power Supply Module 2 Channel Input Dual-board Car Charger Solar 3A 9V 12V 24V To 5V Regulator - AliExpress
DC-DC Converter 12V to 5V 3A Step Down Power Supply Module Micro USB Converter for 14.00 € - 12V Chargers / Adapters / Sockets
RCNUN 8-32V 12V 24V to 5V 3A CAR Charger DC DC Step Down Converter Dual
Dual Usb Output 9v / 12v / 24v / 36v Car Charger Switch 5v Dc-dc Power Supply Module 3a Buck Regulator at Rs 83.00
2 Pieces DC Converter 12V to 5V 3A 15W DC Buck Converter Module, DC to DC Reduced Voltage Regulator Car Power Converter Output Power Adapter (Double USB Interface) : Electronics
YIPIN HEXHA DC Converter 12V 24V to 5V 3A 15W Dual USB Female DC DC Buck Converter Adapter Step Down Module : Electronics
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5V 3A Car Charger Module 12V Input to Dual USB Output