The output of USB port：PD+ for QC3.0. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
Car Electronics Accessories Cigarette Lighter Adapter Converter 1pc Type C Male to Female 5V USB To 12V Cigarette Lighter Socket
Aliexpress UK
The output of USB port：PD+ for QC3.0. Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
USB or Type C Chargers To Cigarette Lighter 5V To 12V Converter Cable Extender Socket Power Adapter Electronics Car Accessories
Aliexpress UK
The output of USB port：PD+ for QC3.0. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
Auto Interior Accessories Plug Connector Adapter USB 5V To 12V Converter Adapter Wired Controller Charger Cable Socket
Aliexpress UK
Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
30CM 12W USB Type C PD 5V to 12V Ca Socket Female Converter Adapter Cord for Car Cigarette Lighters Car Vacuum Cleaner
Aliexpress UK
【Wide Application】This QC 3.0 USB charging socket fits 12-24V cars, motorcycle, boats, ATV, trailer, RV, vehicles, yacht, etc. Has a waterproof cover, expanding the lifespan of devices.
eBay
USB Port to 12V Car Cigarette Lighter Socket Female Converter Adapter Cord
Aliexpress UK
The output of USB port：PD+ for QC3.0. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
USB 4.2A Fast Charging Socket 12V to 5V 12-24V Charger Motorcycle Dual Connector Charger Adapter Outlet Power
Aliexpress UK
Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
Car Cigarette Lighter Socket Female Power Cord USB Port To 12V Car Converter Adapter Wired Controllerr For Xiaomi Power Bank DVR
Aliexpress UK
Wiring：the black wire to the negative pole, and the red wire to the positive pole. 【 installation】It's for mount installation. The device can be installed on a flat for, with no need to cut a large hole, just a small hole to put the wire in, easy to be installed within 20 minutes.
eBay
Auto Interior Accessories Plug Connector Adapter USB 5V To 12V Converter Adapter Wired Controller Charger Cable Socket
Aliexpress UK