A better article with more technical information, but in Dutch: https://tweakers.net/nieuws/186696/tu-eindhoven-toont-zonnecamper-die-730-kilometer-per-dag-kan

A better article with more technical information, but in Dutch: https://tweakers.net/nieuws/186696/tu-eindhoven-toont-zonnecamper-die-730-kilometer-per-dag-kan-rijden.html https://tweakers.net/nieuws/186696/tu-eindhoven-toont-zonnec... Seems it can drive 180 km on a sunny day using the panels alone. The batteries can hold an (additional) charge of 600 km.