Not as technically detailed as I would prefer, this is a basic introduction to EV charging. Source: https://www.electronicdesign.com/markets/automotive/article/21212707/texas-instruments-11-myths-about-ev-charging?utm_source=EG ED Auto Electronics&utm_medium=email&utm_campaign=CPS220111022&o_eid=3534A4579989J5H&rdx.ident[pull]=omeda|3534A4579989J5H&oly_enc_id=3534A4579989J5H Bob Wilson
The charging levels are out of date. SAE now uses DC Level 1 & 2 and AC Level 1 & 2. https://en.wikipedia.org/wiki/SAE_J1772#Charging Maybe other jurisdictions use a 1 to 3 definition.