Cold Cranking Amps

The current required by the starter motor to crank an engine in cold weather.

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 -18°C (0° Fahrenheit), when the battery is new and fully charged.

See also: Automotive Battery, Cranking Amps.

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Subjects: Automotive