The Lead Acid Battery in my H-D '09 FXDF is rated 12V at 19Ah. If I understand the math correctly, I would need a 12V capacitor rated to 5,700F. Is this accurate?
1 F = 1 As/V
1 Ah = 3600 As
19Ah x (3600As/1Ah) = 68,400As
(68,400As/12V) x (1F/[1As/V]) = 5,700 F
As I understand it...