12.3 = senior moment
I remember these things better when I have the hardware in front of me.
I have one more comment about the Interstate batteries. I should have added this in the original reply but I forgot. All the Interstate batteries I sold were the “deep cycle” variety. I think that’s why they were almost bulletproof.
I know you said MAJOR manufacturers, but there appear to be more than two…
This site lists all the manufacturers and who makes what brand, as well as having useful information about batteries in general.