Battery

OEM fit:
Group 47/H5: 246L x 175W x 190H - original battery
Group 48/H6: 306L x  175W x 190H - outer bolt hole. 

Possible retrofits:
Group 65: 306L x 190W x 192H - Terminals reversed from image above
Group 94R/H7: 315L x 175W x 190H - no alignment with bolt hole?