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Example of Ah to CCA Calculations
To convert ampere-hours (Ah) to cold cranking amps (CCA), the same approximation can be used but in reverse. The commonly used approximation is:
CCA≈Ah×7.25
This estimation can vary depending on the specific battery and its design.
Table of Ah to CCA Conversions
Below is a table showing the conversion of various Ah values to CCA, sorted from smallest to largest.
| Ah | CCA | Ah | CCA |
|---|---|---|---|
| 1.00 | 7.25 | 10.00 | 72.50 |
| 20.00 | 145.00 | 30.00 | 217.50 |
| 40.00 | 290.00 | 50.00 | 362.50 |
| 60.00 | 435.00 | 70.00 | 507.50 |
| 80.00 | 580.00 | 90.00 | 652.50 |
| 100.00 | 725.00 | 120.00 | 870.00 |
| 150.00 | 1087.50 |
Convert 1 Ah to CCA
To convert 1 Ah to CCA:
CCA=1×7.25=7.25 CCA
Convert 10 Ah to CCA
To convert 10 Ah to CCA:
CCA=10×7.25=72.5 CCA
Convert 60 Ah to CCA
To convert 60 Ah to CCA:
CCA=60×7.25=435 CCA
Convert 80 Ah to CCA
To convert 80 Ah to CCA:
CCA=80×7.25=580 CCA
Convert 100 Ah to CCA
To convert 100 Ah to CCA:
CCA=100×7.25=725 CCA