Renault has recently released the Morphoz, an electric concept car that can be extended as needed to increase battery range.
Morphoz is suitable for both urban and long-distance travel.
In urban mode, Morphoz is equipped with a 40kWh battery for daily commute use.
If you want to go far, Morphoz can stretch 20 cm in a few seconds. There is extra space to install a 50kWh battery, so that the total battery life of Morpohz can reach 700km.
According to Renault's idea, the added battery should be shared or rented, and it should be installed at a dedicated site when needed.