I am not an electrician so am giving no advice on doing this or not, I am just posting my one anecdote to add a data point/warning for others.
One of the first things I did when I got my rav4 prime was wire the included charger to 240 volts in my garage. This gave me a "poor mans L2 charging." I loved it, nearly halved charging time. I figured in Europe and places, it would be 240 volts anyway, so should be fine.
After nearly a year, I started getting warnings on the app "charging interrupted, check power supply" or something. But later it would start again, so I ignored it. Figured maybe it was related to the cold. But last night the charger fully died and never came back. I cannot even g
