All those sci-fi stories where they have to go find, buy or trade some alien species for more fuel for their ship finally come true. Picturing a small keg batt

All those sci-fi stories where they have to go find, buy or trade some alien species for more fuel for their ship finally come true. Picturing a small keg battery with a handle on top that has LED's on it. You insert and twist into the spot on your car to fuel it up.