He bought a Quick Charge power bank and then hacked a Digispark to negotiate with the power bank to provide 12V output to Quick ... at version 4 and supports USB-C and USB-PD hardware such as ...
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.