The original from Fat Daddy direct from the USA.
Here the version 1, the classic among the Fat Daddy connectors
With version 1 it is also possible to repair your own and purchased battery carriers.
Simply remove the old connection and drill the existing 8 mm hole to 8.5 mm. Then expand to M10 x 1.5 with a tap or simply drill to 9.5 mm and fasten with the enclosed brass nut.