What is the typical lifespan of a car battery under normal conditions?

The typical lifespan of a car battery under normal conditions is generally in the range of 3 to 5 years. This timeframe is influenced by several factors, including climate, driving habits, and the maintenance of the electrical system in the vehicle. Car batteries undergo numerous charge and discharge cycles, and over time, their ability to hold a charge diminishes.

Extreme weather conditions, such as excessive heat or cold, can also significantly affect battery life. Additionally, regular vehicle use tends to maintain battery health, while infrequent driving can lead to battery depletion. Hence, 3 to 5 years serves as a reasonable average estimate for how long a battery can be expected to function effectively before it may need replacement.