Yanmar Marine Battery Requirements

Model #	AMP Hour	CCA	MCA
1GM10	70	385	455
2GM20	70	385	455
3GM30	70	385	455
3JH2	100	550	650
4JH2	120	660	780
3JH3	120	660	780
4JH3	120	660	780
4LH(A)	120	660	780
6LP(A)	120	660	780
6LY(A)(2)(2A)(M)	120	660	780
6CX(M)	200	1100	1300
Amp Hours x 5.5 = CCA
Amp Hours x 6.5 = MCA