I am available for custom hardware/firmware development
Has it ever been settled if bus bars create excessive strain on the terminals?
Will there be stress on battery terminals if a 10" copper bus bar goes from 0 F to 100 F? Yes.
How much stress? Well, how much stress can a 0.017" increase in length over 10" cause?
If you think this is still too much, then maybe an expansion loop as what is used in long piping runs:
Just a thought.
Actually, I was suggesting that the stress can't be that much... Anyway, cable works great too, that's what I have.
Have a good day!