AGM batteries are they worth it on our older mopars or best left for modern?
Well I'm talking about wetcell. Just now came to me EDISON cells
similar to these
Nickel–iron battery - Wikipedia
And there are different variations, "I ain't a chemist" LOL
Edison–Lalande cell - Wikipedia
I "discovered" these at a couple of combination radio sites when working for the Motorola SS that was used both for cellular and two way radio. These were the backup batteries for the cell equipment, and then a diesel generator.