Is energy storage also unprofitable for electric cars? Costs of wallbox + storage

hit the nail on the head:

My e-UP needs about 12 kwh per 100km. You can charge your daily route in 1 to 2 hours. So you don’t need a storage system.

For a photovoltaic system, there is 0.00% funding thanks to the government....

He has an e-car

Not e-car, but mini e-car...

If I didn’t have my still relatively new car, I would almost lease an electric car on the side.

To bring up the question from earlier again:

Are there still kWp limits that make sense or don’t make sense?
Why only 9.99 kWp when 15 or even more kWp would fit on the east-south-west roofs? Should I maybe only put 9.99 kWp on it or what?
(As far as I know, there is the 30 kWp limit, but that will probably be difficult for most normal single-family houses)

but should be charged cheaply during surplus phases

That is exactly the correct application. Charging the car from the storage is nonsense—especially since most systems have very limited discharge capacities. Surplus electricity into the car, intelligently controlled by a smart device and good guidelines for the scenarios.

For a photovoltaic system, there is 0.00% funding thanks to the government....

That is exactly right, because a photovoltaic system is now profitable without subsidies. Incentives simply do not make sense anymore.

He bought an e-car that contains a 36kwh battery... Probably an e-up, which should be available for 11k with subsidies.

That's the solution to the puzzle! There were great discounts in January and then the Corona bonus. Altogether, it amounts to a few bucks over 11,000 euros. Once you've driven the car, never again a combustion engine. Amazing thing. But it's a bit off-topic, just wanted to show what's currently possible price-wise... maybe there will also be a "promotion" for solar sometime.

Which is really insanely cheap when you compare it to the fact that photovoltaic storage rarely costs less than 1k€/kWh. Why does it only cost a third in cars, and then there are indeed wheels, engine, seats, ... included? Even with a 6k€ e-car subsidy, this can't be explained?! Do I have a thinking error or should we rather take the batteries out of the cars and use them as photovoltaic storage?