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Cold Cranking Amp is a battery rating that quantifies how much power it provides to deliver a constant amp output to start the engine at a specific temperature, particularly during the cold-start situation. It is essential in most automotive applications. But the cold-cranking amps drop when the capacity of the battery depletes. The discharge and recharge cycle occur over the lifespan of a battery. Each cycle wears down the plates slightly, and the lead in the battery deteriorates. As the temperature drops in a cold climate, more power is required to start the vehicle's engine. The available power can't start the engine as a result. Thus, it is necessary to have a battery with higher cold cranking amps since it is more dependable and lasts longer, specifically in cold conditions.