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Car Battery Myths: Don’t Follow This Bad Advice

While people do generally mean well, it’s unrealistic to expect that the average person understands all the dynamics between a car and its battery. You will probably recognize some of the assumptions and advice repeated below, but you very well may be surprised by the accuracy of these claims. If you’re interested in preserving the life of your battery and taking proper care of your vehicle, don’t forget these myths:

Myth #1: My maintenance-free car battery doesn’t need any maintenance.

The package might say maintenance-free, but that doesn’t necessarily mean you’re off the hook. While it’s true that you won’t have to worry about maintaining or replenishing fluid or electrolyte levels because the battery is sealed, it is still a good idea to regularly check for loose terminals and connections, as well as for any physical signs of wear and tear on the battery.

Myth #2: Driving or idling my car is guaranteed to fully recharge the battery.

The extent to which your battery recharges is dependent upon a variety of factors, including the amount of power the alternator transfers within a given amount of time. Many people assume that an alternator is basically an oversized battery charger, but this simply isn’t the case. Alternators are better defined as battery maintainers and are not designed to transfer large amounts of power to your car battery quickly.

If you severely discharge your car battery (say by starting your car on a -10˚F day), you are much better off recharging your car battery through the use of an auxiliary charger than by keeping your car running for extended periods of time. If nothing else, you’ll save on gas.

Myth #3: Disconnecting the battery for extended periods while not in operation is a good idea.

Scenario: You’re headed for a 2-week long vacation, so you decide to disconnect the battery from your car because you’ve heard that’s the best thing to do. Well, don’t do it! The computer and electronic control systems in modern cars are sensitive, and don’t like being deprived of power for extended durations, even if the vehicle is not in use. Moral of the story – Invest in a quality maintenance charger instead of disconnecting the battery.

Myth #4: I can replace the car battery myself … there’s no need to pay someone to do it.

Most people think that replacing a car battery is a simple matter, but that assumption may not be as safe as it once seemed. Many modern vehicles require the use of a ‘memory minder’ to maintain power to the system while the car battery is in process of being replaced, in order to lessen the chance of problems or other complications. If you aren’t sure what the best practices are for your specific vehicle, we recommend you take your vehicle in to get the battery replaced.

Protect your car and your car’s battery by not falling for these four car battery myths. Make sure that you heed the experts above the masses, because the results may not be what you want if you don’t! Remember, if you’re ever in need of a replacement car battery, Powerstride Battery offers a variety of affordable options – and EVERYTHING we sell INCLUDES FREE GROUND SHIPPING!


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  2. This is some really good information about car batteries. I liked that you talked about common myths. The one I am glad that you talked about the most is how idling will recharge the battery. I would love it if that was true but it good to know that isn’t real.

  3. It really helped when you mentioned how you should consult with a professional in order to find the best type of battery for your vehicle. I understand that taking the time to do some research and read online reviews can help you find the best professional for the type of battery you need. Personally, I would also want to check with the BBB so I find a provider that has a good reputation and can help me find the best battery for the type of vehicle I have.

  4. Thanks for summarizing the myths associated with the battery of the vehicle. Car battery needs regular maintenance like other components of the vehicle to last for long time periods. Fluctuation of the temperature at an extreme level have catastrophic effects on the performance of the battery and suitable initiatives should be taken to keep the battery in working order. Information given in this article would be very helpful for a person like me.

  5. Herb Banks /

    No doubt, the battery is a hugely important automotive component. The modern-day electric battery has reduced the possibility of turning the engine over by hand a lot. However, the bad news is, some typical myths related to car battery are there that many operatives are following blindly. Here, the author has revealed some common car battery myths. This is not the end. Some other myths are there. Better you comprehend the fact and service the battery- https://www.greengaragewp.com/services/ as per the factory recommendations so that you can extend the longevity of the vehicle’s accumulator.

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