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Common Myths About Car Batteries and Debunking Them!

One of the many car components that all drivers should know about is the vehicle battery. Just like your phone battery, it is the power source behind almost everything in your car. It has positive and negative terminals or connection points. While its design is easier to understand than the engine and transmission, there are many misconceptions about the battery. Let’s debunk some of these common myths!

Myth #1: If your car doesn’t start, it is definitely the battery.

While a drained battery is a very common cause of starting failures, there are other factors to consider. It is okay to check the battery first (as most people do). However, you may consider that the problem could be stemming from a faulty starter, alternator, spark plugs, and even fuel injectors.

Myth #2: You don’t need to check a maintenance-free battery.

Just because a car battery is labeled and marketed to be maintenance-free does not mean maintenance should be completely disregarded. In fact, ALL vehicle batteries need frequent checkups and cleanings. This ensures that the battery is secure in its place and free of corrosion.

Myth #3: Car batteries last longer in hot climates than in cold climates.

Cold weather can make the chemical reactions inside the battery work slower, slowing down the starting process. However, hot temperatures are more detrimental to a car battery’s health than cold. In very hot climates, the liquid inside your battery can evaporate and reduce its lifespan.

Myth #4: Driving your car will completely recharge the battery.

The alternator is the component that recharges your car battery. Depending on the length of your drive and the amount of electrical current being distributed to other electronic accessories, your battery may get charged (but not entirely). If your drive is short, the battery won’t be recharged fully.


At our auto service shop, we understand how important your electrical system is to the entire operation of your automobile. If your vehicle is due for a battery replacement, or you simply need a battery test, please do not hesitate to bring your car to the experts at Don’s D.I. Auto & Truck Service. We look forward to seeing you! 

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