What is the difference between CA and CCA?

 

These are the standards that most battery companies use to rate the output and capacity of a battery. All in all, think of these like performance attributes, such as horse power in the automotive industry. CCA or Cold Cranking amps-  Is a rating used in the battery industry to define a battery’s ability to start an engine in cold temperatures. This measurement is not particularly important in deep cycle batteries, though it is the most commonly known and frequently used battery measurement.  Why Cold?  Well ..Ask anyone who lives in a cold climate with a high millage diesel truck, snowmobiles, ATVS and Other Power Sport Auto Motives. It takes a long time to start some vehicles, whether that is due to high compression engines, extremely cold temperatures or both. CCA directly applies to the amount of starting power your vehicle will draw upon starting. The battery sends an electric jolt of energy to the engine to jump start the electrical circuitry throughout the vehicle. Next it will continue to keep the current steady; Not only does your battery provide the energy required to start your car, it’s also stabilizing the voltage in order to keep your engine running. CCA in technical talk is the number of amperes a lead-acid battery at 0 degrees Fahrenheit/ -18 Celsius, can deliver for 30 seconds while still maintaining terminal voltage equal to or higher than 1.20 volts per cell or 7.2 volts for a 12-volt battery. 

 

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