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Often overlooked is when you turn a hydrogen car off, it's off. Come back days or even months later and it should be exactly as you left it. On the other hand

Often overlooked is when you turn a hydrogen car off, it's off. Come back days or even months later and it should be exactly as you left it. On the other hand a Tesla Model 3 requires a lot of energy to stay warm in the winter - some reports from the dead of winter of it taking 2000 watts just to stay warm. Under extreme conditions you can't leave it unplugged for a week or possibly even a weekend without concern over the battery charge and health. There's better ways to insulate the battery of course, but there's always going to be some tradeoffs to maintain a safe battery temperature at rest and in use.

kwhitefoot 5y ago
> a Tesla Model 3 requires a lot of energy to stay warm in the winter - some reports from the dead of winter of it taking 2000 watts just to stay warm. Under extreme conditions you can't leave it unplugged for a week or possibly even a weekend without concern over the battery charge and health. If that were the case there would be a lot of dead Teslas here in Norway. And even more dead Nissan Leafs which do not have active battery temperature management. I often leave my Model S disconnected over the weekend or longer in -15C in the winter without any noticeable effect on the battery health. It has an effect on range of course because as you say the car does prevent the battery getting too cold. Perhaps I'll try to measure how much energy is required next winter. Here is a first hand anecdote about using a Model S in the Arctic: https://electrek.co/2020/02/11/tesla-model-3-arctic-circle-winter/ https://electrek.co/2020/02/11/tesla-model-3-arctic-circle-w...
- bsdetector 5y ago
  Model 3 uses the wheel motors to generate heat and has some kind of single nexus for all coolant, very much different from Model S. The story you posted doesn't say anything about how much energy was lost over just 4 days, and it being noteworthy that the car can be left for 4 days without incident at presumably a high state of charge is telling on its own. In any case, the only difference between the two models is the amount of time it takes before the car exhausts itself maintaining the battery.

kwhitefoot 5y ago

> a Tesla Model 3 requires a lot of energy to stay warm in the winter - some reports from the dead of winter of it taking 2000 watts just to stay warm. Under extreme conditions you can't leave it unplugged for a week or possibly even a weekend without concern over the battery charge and health. If that were the case there would be a lot of dead Teslas here in Norway. And even more dead Nissan Leafs which do not have active battery temperature management. I often leave my Model S disconnected over the weekend or longer in -15C in the winter without any noticeable effect on the battery health. It has an effect on range of course because as you say the car does prevent the battery getting too cold. Perhaps I'll try to measure how much energy is required next winter. Here is a first hand anecdote about using a Model S in the Arctic: https://electrek.co/2020/02/11/tesla-model-3-arctic-circle-winter/ https://electrek.co/2020/02/11/tesla-model-3-arctic-circle-w...

bsdetector 5y ago
Model 3 uses the wheel motors to generate heat and has some kind of single nexus for all coolant, very much different from Model S. The story you posted doesn't say anything about how much energy was lost over just 4 days, and it being noteworthy that the car can be left for 4 days without incident at presumably a high state of charge is telling on its own. In any case, the only difference between the two models is the amount of time it takes before the car exhausts itself maintaining the battery.