That's how the Tesla chargers work. It also looks like CHAdeMO has a 'Plug and Charge' protocol defined: https://www.chademo.com/chademo-releases-the-latest-v

That's how the Tesla chargers work. It also looks like CHAdeMO has a 'Plug and Charge' protocol defined: https://www.chademo.com/chademo-releases-the-latest-version-of-the-protocol-enabling-up-to-400kw/ https://www.chademo.com/chademo-releases-the-latest-version-... But that's pretty new, and not the SAE standard used in the US. So, it'll be a while...