You want a UL-listed Level 2 EVSE with a NEMA 3R/4X enclosure, hardwired to 240 V on a dedicated circuit—typically a 40 A unit on a 50 A breaker....
Your Complete Guide to Electric Vehicle Charging
load sharing
A pair of chargers is like your home's twin heartbeats, syncing or straining against the same pulse. If you own two EVs, you'll want them charged...