Belkin has the 18W USB-C PD Car Charger with USB-A Port which can be useful for quick charging of your Apple iPhone or iPad in your car. The Belkin 18W car charger comes with dual USB output ports combined to provide a total 30W power output. The USB Type-C output port supports USB Power Delivery technology to offer fast charging up to 18W for recent Apple iPhone's and iPad's that can use USB Power Delivery like the Apple iPhone XS, iPhone XS Max, iPhone XR, iPhone X, 10.5-inch iPad Pro and 12.9-inch iPad Pro over the Lightning connector or even the Apple 11-inch iPad Pro (2018) over USB Type-C. The other USB Type-A port supports output up to 12W for your USB peripherals.
The Belkin 18W USB-C PD Car Charger with USB-A Port ships with its own 1.2 m / 4 ft USB Type-C to Lightning cable and supports the common USB Power Delivery profiles of 15 watts (5 volts @ 3 amps) and 18 watts (9 volts @ 2 amps) for charging out.
Here's how the Belkin 18W USB-C PD Car Charger with USB-A Port looks like after purchase. Notice the USB-IF logo on the box which indicates that the charger has been USB-IF certified.
Using the USB Power Test App from Granite River Labs with the Granite River Labs USB Power Delivery Compliance C2 Tester and FLIR thermal imaging tools, we measured the heat emitted by the Belkin 18W USB-C PD Car Charger with USB-A Port as seen in the following temperature graph for the highest 9V, 2A PDO. Note first we plugged in only the charger's 18W USB Type-C port and then followed by adding the 12W USB Type-A port. The max temperature was observed at around 55 degree Celsius at 18W.