Definitions:
| CCA: |
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(Cold Cranking Amps)
testing at 0º F |
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| CA: |
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(Cranking Amps)
testing at 32º F |
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| RC: |
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(Reserve Capacity)
The amout of time
a battery can last
without charge. |
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| HCA: |
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(Hot Cranking Amps)
testing done at xxº F |
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| MCA: |
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(Marine Cranking Amps)
testing done at xxº F |
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CA (Cranking Amps) and HCA (Hot Cranking Amps) are some examples of ratings that can be misleading. Batteries displaying these ratings have probably been tested at higher temperatures so the resulting numbers look higher. Because these batteries are not as powerful as you might think, what looks like a "bargain" may end up costing you money. Remember that CCA and RC are the only valid automotive battery specifications that recognize true battery power - and they're the ratings you'll find in your vehicle manual. Don't be fooled by product ratings!
Interstate has always had the policy to rate our batteries with industry standard CCA & RC ratings.
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