How Long Do Car Batteries Last ? (Complete Guide)
How long do car batteries last? Discover average battery lifespan, warning signs, what affects battery life, and when to replace your car battery.
The manufacturer of car batteries claims that the typical lifespan of their batteries is normally distributed with a standard deviation of 0.9 year. However, in a random sample of 10 batteries, the standard deviation was found to be 1.2 years.
Less than six months might be the limit that a car battery can last on a shelf and still start your car. Even if batteries were left on the shelf for just five months, they could already be dead. In a single month, a car battery could lose 5% of its charge sitting on a shelf.
Why guess? Find out how long your own battery will last. Visit any place where Interstate is sold and ask for a fast, accurate battery test. FIND A LOCATION The car, the climate, the driver, even where you bought the battery — it all makes a major difference in how long you can expect your car battery to last.
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