Honda S2000 Battery Sizes by Year

Engine-specific battery groups by model year.

Year	Engine / groups
2009	F22C1: 51-2
2008	F22C1: 51-2
2007	F22C1: 51-2
2006	F22C1: 51-2
2005	F22C1: 51-2
2004	F22C1: 51-2
2003	F20C1: 51-2
2002	F20C1: 51-2
2001	F20C1: 51-2
2000	F20C1: 51-2