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What is CCA?

April 26, 2017CCA

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What is CCA?

4 Answers

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The cold cranking ampere (CCA) rating refers to the number of amperes a battery can support for 30 seconds at a temperature of 0°F until the battery voltage drops to 1.20 volts per cell, or 7.20 volts for a 12V battery. Thus, a 12V battery that carries a rating of 600 CCA tells us that the battery will provide 600 amperes for 30 seconds at 0°F before the voltage falls to 7.20V.

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CCA stands for chromated copper arsenate. CCA is the chemical preservative manufactured by Osmose and used by Georgia Wood Preserving in the pressure process of treating the wood. It is a waterborne preservative forced deep into the cellular structure of the wood by a vacuum-pressure process.

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CCA (cold cranking amps) is a measurement of the starting power of a battery at 0°F under a load (ampere draw) for 30 seconds with the end voltage maintained at 1.20 volts per cell. Several variations of CCA ratings may be applied to a battery including; MCA (marine cranking amps) or CA (Cranking amps), which are generally 20% higher than CCA (cold cranking amps) and reflect higher temperature testing.

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CCA is a popular wood preservative made of arsenic, chromium and copper oxides. It is applied to wood products such as utility poles and marine and freshwater docks to prevent environmental decay during outdoor use. Prior to 2004, it was also used to treat wood used for decks, walkways, and fences and as a result it has been the predominant wood preservative observed in the disposal sector in recent years.