Good to see your Dad un-banned you. He even might have to come along when we all go for post-lockdown borscht, piroshkiy and too many drinks.
I used these terminals, the negative version:
https://www.projecta.com.au/battery-...ged-brass-bolt
Had to spread it slightly, and then drill oversize one side of the fastening holes to allow realigning of the pinch bolt.