https://interestingengineering.com/energy/aging-batteries-a-simple-injection-could-bring-them-back

sample quote

The researchers tested their method on small and large batteries, including those used for automotive applications. “The effectiveness of the system was verified not only with small-sized batteries for lab use but also with large batteries for automotive use,” says Nobuhiro Ogihara, the (Toyota) study’s lead researcher.

end quote

Since this is meant to get your Lithium battery moving things again,
and the metric unit of force is the Newton,
this liquid should be called
“Juice Newton”

She was a hottie with a good voice. Made her $$$ and bailed. Smart as well.