Re: can squeeze 700km from a single full battery charge
but in the winter when it's cold,
Yes, that eats into your range. But at least some EVs can be fitted with a diesel-fueled heater.
dark and probably wet,
Our Kangoo ZE runs the lights and the other non-traction stuff on a hefty conventional 12V battery. Which lasts well beyond the traction battery range.
when over half of my commute is on motorways and when the battery is 5 years old that 150 mile range is suddenly very optimistic.