Overcoming the battery-busbar problem (for now). Here is what I found!

As you know me, I did some more testing to find the cause of the hot terminals and busbars from the last video. What I found was not nice. It seems the aluminium busbars are not 100% flat. Because they don't bend as much as the thinner copper busbars when screwing them down, the contact area was just too small and the contacts overheated at larger currents.
I also found a way to overcome this problem. The question is, will this last though or are we whack-a-mole situation here?

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