What is Cold Cranking?
| Cold Cranking Amps |
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Cold Cranking Amps is a rating used in the battery industry to define a batteries ability to start an engine in cold temperatures. The rating is the number of amps a new, fully charged battery can deliver at 0°F (-18°C) for 30 seconds, while maintaining a voltage of at least 7.2 volts, for a 12 volt battery. The higher the CCA rating, the greater the starting power of the battery. A performance rating for automobile starting batteries. It is defined as the current that the battery can deliver for 30 seconds and maintain a terminal voltage greater than or equal to 1.20 volts per cell, at 0°F (-18°C), when the battery is new and fully charged. Starting batteries may also be rated for Cranking Amps, which is the same thing but at a temperature of 32°F (0°C). |
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