Quote:
Originally Posted by redpoint5
The home battery needs to reside in the vehicle, with the vehicle connected to the home when not in use. There is no sense in doubling the expense and resource consumption in batteries when a single set could perform double-duty.
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Separate concerns, and applications.
1. A house doesn't need the same power density battery as a car.
2. A car needs to be charged to be useful, can't drain it overnight and expect to drive it the next day.
3. The house should still function when the car is not there (and have batteries available for storing daylight energy).
If anything the house needs a much larger battery, so it can charge the car overnight when it is home from energy stored during the day and supply the household needs overnight.