Once I gathered the data, I generated a graph that shows that there is not a general relationship between the CCA and AH. I decided that it was time that I demonstrate that this relationship does not hold for specific batteries, but does have some merit for batteries in general.īecause France requires battery manufacturers post the AH specifications for all car batteries, I was able to find both CCA and AH specifications for a number of car batteries on European web sites.
backup power) are designed differently than batteries intended to deliver surge current (e.g. I have seen this statement before and did not believe it because batteries intended for capacity-dependent applications (e.g. 07 to give you the Amp Hours for that battery … I have read on the box of that Inox battery conditioner that for a battery over 600 CCA you simply multiply the CCA by.
While reading a post on an automotive forum about batteries, I saw the following statement made about the relationship between a battery’s CCA and AH ratings. Car applications tend to focus on the ability of the battery to crank the engine when both the battery and car are cold. Many battery manufacturers do not specify the Ampere-Hour (AH) ratings for their automotive products because Cold Cranking Amperes (CCA) are more important in automotive applications than AH ratings. Figure 1: Typical Flooded Cell Car Battery.
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