You can only drive until the batteries are 1/2 discharged. Then you must either turn around and head back to your last charging station or be confident that there is another charging station up ahead for charging. If it is not a fast charger, you will also need a motel room to sleep in while your battery charges.
If it is a fast charger it will take 2 hours. In that case you will need lawn chairs and a tarp to sit under while the battery fast charges. You can watch the gasoline cars whiz by as you wait 2 hours for your battery to charge.