On average, car batteries can last anywhere from three to five years. However, the lifespan of a battery can vary depending on various factors such as usage patterns, climate, and maintenance. It is essential to regularly inspect the battery and have it tested by a professional at least once a year. Signs that may indicate the need for a battery replacement include dim headlights, difficulty starting the engine, a check engine light, or a battery that is over three years old.
On average, car batteries last around 3-5 years. However, the lifespan of a car battery can vary depending on various factors such as climate, driving habits, and the quality of the battery. It is recommended to have your battery tested by a professional annually after it reaches the 3-year mark to determine its health and to potentially replace it if necessary. Additionally, if you notice signs of a weak battery such as slow cranking of the engine, dim headlights, or difficulty starting the car, it is advisable to have the battery checked and replaced if needed.