Here is a suggestion to Battery Manufactures. Instead of depending on welding tab onto the batteries provide Screw threads so we can just bolt them together. The DIY guys would go crazy for something like this.
OK Guys I am designing a battery pack to do something crazy and need help for safety.
I am looking at mounting 9 A123 ANR26650 cells together in series then take 3 of these and connect them in Parallel to get a battery pack that will generate 90A continuous at 28V, with a burst of 350A for...
So what would happen if you put a hole in the copper so that one probe goes directly to the battery and the other probe on the copper tab. And it would be wise to put the + side on the battery and the - on the tab, so you get an electron flow from the copper to the "steel/ al / zinc" battery...