I can see it now... battery powered Abrams tanks, APC’s, Hummers, and trucks. Fools!
“Can’t take that hill position, computer says too much fuel will be burned.”
Better yet, phased laser blasters, ran on the same fairy dust that runs an EV.
......Good for one use, then charge....printed on the label
“If you waited until you can see the white of their eyes, attach bayonet”
Was thinking the same.