Disconnect I made for older 40 series
https://talk.newagtalk.com/forums/thread-view.asp?tid=655904
Plan on replacing 2 batteries in combine with one Group 31 stud type battery and using another of these disconnect switches.
Couple threads discussing crimpers and supplies as well.
https://talk.newagtalk.com/forums/thread-view.asp?tid=680568
https://talk.newagtalk.com/forums/thread-view.asp?tid=685472