In China, they came up with power banks for electric cars.

Power banks for electric cars. China invented power banks for electric cars, which are mobile charging stations that can be brought to your vehicle for convenient charging. This innovation simplifies the charging process by eliminating the need to search for parking with a stationary charging station. Depending on the region, these power banks can be delivered by staff in special vehicles or autonomously move to the vehicle for automatic charging.

[dogsa-z]

you can just carry a power bank with you