Thanks for the replies, I didn't realize exactly how much integration goes into the guess-o-meter which is actually very interesting. It all makes sense.
No, you need a 240V charger where you live. The heater requires 5-6 kW and a 120V charger only delivers about 1 kW so the charger won’t be able to keep up with the heater. As a result the battery will not get heated properly and you will have severe range limitations. Call an electrician and see if you can get a 240V NEMA 14-50 outlet installed ASAP.
And do remember, the Guess-o-Meter is just that…a really wild, hairy-assed guess. It’s also usually pretty conservative with the hopes you’ll be pleasantly surprised that you made it to your destination instead of being mad that you’ve been left on the side of the road. Yeah, a standard range battery is going to be a little small when the cold hits hard, but it won’t be as small as the GOM would have you believe. The interior climate does make a big difference to battery too; if you can get by with the residual heat from the garage plus your seat heaters you’ll see much better numbers in reality.
The GOM doesn’t take into account elevation change. I significant up hill trip is one case where the GOM won’t be conservative and actually could get you in trouble.
Was only asking because my work parking lot has outlets installed at every spot, just wanted to know if it would be able to precondition at all on those. I have a full hardwired 240v Lv2 set up in my garage with 80A service.
