The average driver refills their vehicle using decades old technology which would probably be unsuited for exchanging the fluid these batteries would need. Any

The average driver refills their vehicle using decades old technology which would probably be unsuited for exchanging the fluid these batteries would need. Any kind of system for exchanging the fluid in a flow battery would probably be self contained and would be better designed than holding a lever on a nozzle dumping a flammable liquid into an empty vessel.