Math looks great! I get 4hrs at full-load, and that's about the same. When I wrote, "might", I was thinking, in an emergency, you'd drive far slower on backroads, there, you'd get optimal range, in excess of 5 miles a kWh. Now, that I see the math, it's still alot less than 50! Oh well. Should have paid more attention in school.Totally agree with the suggestion. In a pinch, definitely a viable option. The mile estimate sounded a bit optimistic though. Doing some napkin math...
12hrs of 500w (25% of 2000w) = 6kW⋅h
94% charging efficiency ~5.6kW⋅h gets to the battery.
Assuming 250Wh/mi, a gallon would get ~22.5 miles of range.
Am I way off somewhere?
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It's interesting to throw in a 25mph max speed into ABRP and see how far you can go. It spits out 411 miles!