No personal experience but it seems like those covers are just for shipping not while connected. Very well could be wrong.
https://www.google.com/shopping/product/1?q=banner+star+power+battery+terminal.covers&client=safari&sca_esv=39cb00dd45544bc1&hl=en-us&biw=339&bih=648&tbs=vw:l&prmd=ivsn&sxsrf=ACQVn0-xfzdK3zlt_43ziaJ42AVJd9JzwA:1708752385816&prds=num:1,of:1,eto:2233244991333324067_0,prmr:1,pid:2233244991333324067,cs:1
https://www.bannerbatterien.com/en/Products/Starter-Batteries/Starting-Bull/74-530-30