I think the parent comment mentioned 5 minutes because this is how long the article says these new batteries will take to refuel. Although it's quite likely the

I think the parent comment mentioned 5 minutes because this is how long the article says these new batteries will take to refuel. Although it's quite likely the article made this figure up. In any case, it's a redundant point because it's unlikely a battery fluid system would be designed in the same way as old fashioned gas pumps. More likely, it would clamp on and you can sit in the car or take a small walk while it does it's work. Gas pumps are designed to be handheld because they are fast. If it took 5 minutes to pump gas, we would probably have redesigned these by now too.