22 Years' Battery Customization

Can I damage my car by installing the wrong battery?

Mar 19, 2023   Pageview:407

There could be several reasons why you get the idea of installing a different battery in your car. For some people, it is that their car's battery discharges in the winter season. Similarly, some people frequently travel, so they cannot keep the small battery up for long. The most important thing to consider while changing your car's battery is whether will use the wrong battery will damage the car.

What happens if I put in the wrong battery? Will it damage my car?

It is one of the most common questions people ask when it is about upgrading their car's battery. However, before you know the answer to this question, you must understand how a battery works in your car.

How does the battery work inside the car?

The whole electrical system inside a car can be divided into 3 parts:

Battery

Charging section: Alternator

Battery consumers: electronics and computers

When the engine runs, the alternator starts charging the battery. Meanwhile, the battery provides a stable voltage and current to the electronics in the car. It does not matter how fast or slow the alternator runs; the battery will maintain a stable power flow to the computer and electronics.

When you turn off the car's engine, its alternator stops. At that time, the battery solely provides power to the computer, security system, and other electronics inside the car.

What happens if you put in a small battery?

If you put a small battery in your car for any reason, it won'twon't meet the current and voltage requirements for a long time. Even if the battery keeps things up for some time, it won't be good in the long run. Additionally, there will be a significant drop in the performance of electronics.

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What happens if you put  in a large battery?

The voltage will stay the same if you use a large battery, but the current will increase. It will increase the chances of frying up the components inside your car. A bigger battery can damage the electronics like lights, horns, and dashboard controls and mess up the security and multimedia systems inside the car. An unsupported battery can also ruin the charging unit of your car.

Symptoms of wrong battery in the car?

When you put the wrong battery in your car, it will show you certain symptoms, telling you something is wrong. Below are some of the most common symptoms that you will find.

The car does not start.

The car starts when a motor powered by the battery pushes the engine at a specific rate. Say that you install the wrong battery whose specifications don't meet. It won't be able to push the engine at the right speed; hence the car won't start. In some cases, it may start but not that efficiently.

The Computer Inside the Car Malfunctions

You may find the computer inside the car to malfunction. It can give certain error codes even when they are not there. Another symptom of a wrong battery installation is the computer clearing up values or giving wrong values in the cluster meter.

The multimedia system is not performing well.

Everyone loves multimedia systems in their car, but it does not perform as usual with the wrong battery. The volume and power of speakers may not be the same. Similarly, the multimedia unit may restart independently, especially when the car hits a certain speed.

Flickering or dim headlights.

Flickering or dim headlights are a common sign of a wrong battery. Headlights, especially high beams, are among the highest power-consuming things in the car, so that will be a common symptom.

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Multiple things cannot work together.

A battery that does not meet your car's required specifications may run one thing at a time. For instance, if you are driving at night, you may be unable to use a high beam along with multimedia, and pressing the horn will dim everything.

Can I use different size battery in my car?

When it comes to putting different size battery in your car, the answers may differ. In most cases, the answer is "no," as you have to stick to the specifications given by the manufacturer for the best experience.

What is the only way to use a different size battery in the car?

The only way you can use a different-sized battery in your car is by modifying the car. In that case, there is room for changing the whole system, and you can upgrade the whole electronic system according to the new battery specifications. While it gets the thing done, it is not the best option.

Why shouldn’t you change the stock battery specifications?

There are several reasons why you can't and why you shouldn't change the stock battery specifications of your car. The first factor is the reliability you get from your car. You can be worry-free since getting a new battery the same size won't cause any issues with any electronics inside your car. Secondly, you don't have to worry about your car not starting in different seasons.

If you get the right battery and use it carefully, the car will start even on cold days. The care for batteries in cold weather increases since all batteries are not made for cold start. Lastly, you won't find any safety hazards with the right battery. 

A battery size that is made for your car will not be underpowered to keep the security system running. Similarly, charging or discharging will never drastically damage the battery.

Can reverse battery installation cause any issues?

Yes, even if you install the right battery, but in reverse polarity, there will be extreme heat generation in the battery. The acid in the battery may boil away. The battery may swell. In the worst case, you may find your battery to ignite due to hydrogen gas ignition.

Conclusion

Every car is manufactured after a complete R&D process, and every component is specifically engineered to work as per the desired specifications. Electronics are vital in today's cars, and the car's battery usually powers them. So, if you plan to use a different battery than the one that your car comes with, there are major chances of damaging the car. Hence, it is better to stick to the car's specified battery size.

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