So my Prius is EPA rated with the crappy 120v EVSE. Seems crazy manufacturers would include 120v EVSEs standard knowing that negatively impacts their MPGe. I'd include a 240v EVSE with a 120v adapter.
Speaking of which, I'm currently modifying another Leaf EVSE to enable 240v charging as well as 120v. I bought adaptors for the 14-50p that will adapt it to 30 amp dryer outlets, or standard 120v outlets. I don't even own an EV!
Part of the mess I'm working on
Top one is completed, bottom is the work in progress