Battery Cold Cranking Amps Explained

Cold cranking amps cca.

Battery cold cranking amps explained. It is a battery industry rating used to determine the ability of the battery to start or crank up an engine when the weather is cold. Now with all this talk of cold temperatures it s important to note that heat is the real enemy of long battery life. The higher the cca or cold cranking amps of the cell the best it is for your car or vehicle. Cold cranking amps will tell you the battery s ability to work.

Specifically it refers to the amps that can be delivered by a 12 volt battery for 30 seconds at 0 f or 18ºc and at the same time maintain a minimum voltage of 7 2 volts. However you should not confuse it with ca or cranking amps. Batteries are also rated according to their cold cranking amps cca which denotes the peak power they have to turn over the engine and get it started in cold weather. The discharge load in amperes that a new fully charged battery can deliver at 0 degrees f for 30 seconds while maintaining a voltage of 1 20 volts cell or higher.

Cranking amps are going on at a rate of 32 degrees f while cold cranking amps have a scale of zero. The rating refers to the number of amps a 12 volt battery can deliver at 0 f for 30 seconds while maintaining a voltage of at least 7 2 volts. This is the same test as the cold cranking amps test except it is performed at 32 f 0 c. Which is why you can run the battery down in 5 10 minutes of cranking if it doesn t start immediately.

Batteries may also list the cranking amps ca number. Starting batteries should not be used for deep cycle applications. Many batteries typically also come with a cranking amps ca rating also sometimes referred to as marine cranking amps or mca. The battery or batteries used to supply 12 volts to the rv itself are commonly referred to as house batteries.

Learn more about cold cranking amps cca. Cca stands for cold cranking amps. Starting batteries are rated in cold cranking amps cca. Generally speaking it is easier to start an engine in a warm environment than in a cold one.

Cca is the number of amps the battery can deliver at 0 degrees f for 30 seconds and not drop below 7 2 volts. Cold cranking amps cca cca is a rating used in the battery industry to define a battery s ability to start an engine in cold temperatures. It is the cold cranking amps or cca that is the important number here.