Battery Tray, 1952-79 VW Beetle and Super Beetle Sedan and Convertible, 11" Long X 15" Wide, 111-809-169 - Aircooled.Net VW Parts
Battery Hold Down Clamp, 1967 and Later Beetle and Super Beetle, 1968-71 Ghia, 1968-71 Type 2, 1967 and Later Type 3, 131-915-313 - Aircooled.Net VW Parts
1975 Super Beetle battery boxes - 3 modules in front, 4 in back : r/EVConversion
How to change the battery in a VW Beetle. - YouTube