The e-car charging time depends on the size of the battery, the charger/wallbox and your electricity contract.

Charging a car with a 40KW battery takes this long depending on the charging possibility :

Power outlet( Emergency charger) 2,3 Kw 21hours.

Socket (amplified) 3,7 Kw 12 hours

Wallbox 7,4 Kw 6,5 hours

Wallbox 11 Kw 3,5 hours

Charging station 22 Kw 2,5 hours

(Quelle ADAC)