Or, y'know, there's a war on and you can't stop to recharge, or you need to cross a desert, or you just want to do an express route with one vehicle...
Combustion is just a superior vehicle technology vs. lead-acid electric, assuming you don't worry about emissions, and that will show up in plenty of contexts. Eventually, lead-acid would go the way of the other workable-but-not-as-nice technologies like crystal radios or black-and-white film.