I own an EV and know that I must keep it charged
I own an EV but it wasn't made clear to me that I must keep it from being discharged
I don't own an EV but knew that you had to keep the battery from going flat
I don't own an EV and didn't know that you needed to keep them charged
Other posts in this thread suggested that the vehicle activates some emergency procedure when running dangerously low on SOC (like SMS alert). They ignore that constant supervision of SOC and active measures when reaching alert condition consume additional energy.
I a perfect world, we'd have a cell that has zero self discharge when disconnected from any parasitic loads and doesn't suffer from extreme temperatures in a low SOC. And the car would predict the point in time when it is re-plugged again, along with the temperatures to endure until then, and manage its pack accordingly.
I think the Tesla engineers gave these considerations a fair thought and constantly refined the solution from the first roadster until today.
Edit: what does the general public expect when reading "not covered by warranty"? To me that means, getting involved with my money.
Last edited by VolkerP; 02-27-2012 at 06:14 AM. Reason: further comments on warranty
Solar panels on cars are a bit of a gimmick as they don't add meaningful range in any reasonable amount of time.
...But... how many would you need to just maintain pack charge? If your car is parked outside perhaps panels could be added that "trickle charge" the pack to keep it from slowly running down...?
It sounds like some of these cases are people sticking a car in storage somewhere. In those cases at least a solar panel wouldn't help of course but it's an interesting idea for people leaving their cars out in airport parking lots for 2 months on vacation. I'd really love to know what percentage of the population takes two month vacations and leaves their car at the airport at $10+ per day for long term parking though.
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