The Battery is made up of components including this Battery Assembly (12v) which is the most expensive.
This schematic depicts all components used in the Dr600r 1988 (j) (e02 E04 E06 E15 E16 E17 E18 E22 E24 E25 E34 E53 Battery partslist.
On this parts fiche the Bolt,m6x1x20 is the most specified component.