Grumpy Old Geeks Topics Flow batteries Topic Flow batteries 3 mentions in 1 episode The hosts discuss a proposed battery system that replaces fluid electrolytes instead of recharging in place. Mentions 215: I Have a Bad Feeling About This Jun 26, 2017 12:35 They're calling it a flow battery. 13:00 you would just replace the battery's fluid electrolytes instead of recharging the battery 13:53 different technologies may be suited for different uses