The Beast you rented has to have at least 40 kilometers of range upon return.
If you return with less range than 40 km and don’t leave it at a charger, a penalty fee in the amount of EUR 40 will be implemented. If you take the vehicle to charge and return it with ~40km of range, no penalties will be carried into effect.
If you return with less range than 10 km regardless of the charging aspect, a penalty fee in the amount of EUR 300 will be implemented.