The most reasonably priced component used on the Dl650a Vstrom 2011 (l1) Usa (e03) Battery (dl650a L1 E28) is the Cap,oil Pressure Switch.
Parts such as the Battery (dl650a L1 E28): Protector,battery(70x100x6), Cap,oil Pressure Switch, Battery Assy(ytx12-bs,12v10ah), Cap,battery Plus Lead are included in the Dl650a Vstrom 2011 (l1) Usa (e03) Battery (dl650a L1 E28) parts fiche.
