Mobile charging involves A further vehicle that delivers the charge station to your electric vehicle; the power is provided by way of a gasoline generator (typically gasoline or diesel), or a significant battery. All EVs are sold with a cable adapter that allows them use level 1 chargers (wall outlets) https://flenzy.store/high-efficiency-11kw-electric-car-charging-station-with-wi-fi-and-rfid-control/