The word on the street is the batteries in the new $16 k Tesla model 2 and I believe Cybercabs ware aluminum ion batteries.
The business of battery interchangeability is to complicated for a short post.
—” $16 k Tesla”
Musk tends to exaggerate, but still, I like the guy.
A second-level powerwall costs about that and mostly just hangs on the wall.
The Ford Lightning, many GM EVs, Hyundai, Kia... BUT NOT Tesla, support Vehicle-to-Home (V2H) by directional charging.
Many used ones out there...
But I already have a nice inverter-type generator, safe for my highzoot computerized gas boiler and heat pump.
Our daughter has a Genesis G80, and I like it, but it needs high test and is a thirsty beast-— she has a company gascard.
I have my eye on the Genesus Electric hybrid 70, power out, charge house from the car!