Some of today’s cars also now come with USB-C ports, which should offer even quicker charging, but this isn’t universally the case. Even then, you could be better off using the 12V lighter socket.

[Robert Nixdorf] frequently needs to use ... mobile phones powered by their Snapdragon range of SoC’s. Depending on how the end-point negotiates with the charger, either 5V, 9V or 12V outputs ...