Batteries in which the charged liquid changes, rather than they being completely closed. So, if used in a car, you can just change the battery liquid rather than wait till it is ionized. https://www.youtube.com/watch?v=CSawQl8Lf1Y (14:35) The good: they can be made as big as needed, just add more tanks to store the charged material. The bad: they are still as dense as the regular battery. Rem, Lik, Sub, chat, wir, #FUR mor'

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