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The age of the car usually should not influence the lifespan of the battery. Battery failure is normally related to sulfate deposits on the cell plates within the battery. This can be affected by a number of factors, most of which have to do with the design of the battery's components. Higher-tier batteries tend to have better plate design with ...


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My car had it's original battery for 12 years, the next, an aftermarket one, lasted 4 years. But it lives outside now and the first owner kept it in a garage. I know that the quiescent drain has not changed and I don't leave the interior light on etc but aftermarket batteries, especially the cheaper ones, don't seem to have the life of the OEM ones. My ...


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Check your AC relay they go bad get stuck on overnight and drain the battery.


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I suggest that once a week you go to work, or come back home via a longer route - make it about a 30 minute drive at a reasonable speed. This will help the battery and keep the engine cleaner.


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Buy a multimeter ($15), a battery maintainer ($25 to $60), and a battery cut off switch ($15). Switch off the battery whenever you get home to stop parasitic draw. After one hour, check the volts on the battery. If it reads less than 12.6 volts, hook up the battery maintainer overnight. Solved. (if battery ever reads under 12.4 volts, the battery is ...


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