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Thanks for all the great advise, I appreciate your help. That's what I thought, just was trying to keep my cost at a minimum and make sure I wasn't missing anything obvious.

Hello, I'm looking for some advise. I am currently considering changing my 12 volt solar battery system to a 24 volt system to handle additional panels I’ve recently acquired. I started I currently have my 250Ah DIY batteries attached directly to my Giandel 2200 12-volt Inverter (PS-2200KSC)...

Thank you all for the suggestions. I tried the conductive epoxy. It didn't hold for more than a couple of days. I tried not to over or under torque the nut on the battery post, but it eventually pulled up. Well, it was worth a try! PS: I did originally try to drill the post but the whole post...

When I filed the stub it was a silver color once the carbon was removed

I'm not sure that the almost hidden stubs of what's left of the post are aluminum. They aren't attached to the aluminum shell of the cell, but poke through the hole in the aluminum case and attach to both sides of the base of the threaded post. In the photo you can see a drop of the tin/lead...

I'm building my 1st battery bank of 40, 3.2v, 25Ah LiFePO re-purposed aluminum cased cells. Yesterday as I was checking the cells for their voltages I accidentally bumped a loose buss-bar. This shorted a line of 8 cells, one of which caught fire and mostly burned up one of the battery post. I...