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How do you know if you need to replace your car battery?

A car’s battery plays a fundamental role in starting the engine. It is the car battery that provides energy to the vehicle’s electronic equipment. And since it plays a major role in a car’s mechanism, it’s important to know when to replace it. 

Here are expert tips to better detect the warning signs and ensure optimal maintenance of your car battery. 

Car battery: how long does it last?

In general, most car batteries have a life expectancy of four to five years. However, the lifespan of a battery depends on several factors. 

The quality of the battery itself plays a major role. Not all batteries are equal! To choose the right battery for your car, it is necessary to consider its quality, size and power. 

If you want to go a long way with your battery, opt for reputable brands, check the CCA rating (ability to start at low temperatures) and make sure it is compatible with the electronic functions of your car. 

Car battery: wear factors that influence its lifespan

Climate : Extreme climates have a significant impact on the lifespan of your car battery. Extreme temperatures like intense cold can affect its internal chemistry and decrease its durability.

Frequency of vehicle use : Occasional use of your car can harm the battery. Leaving your car idle for long periods of time can contribute to battery deterioration. 

Electrical accessories : The rise of technology has its advantages, but for the battery, it requires more energy! Stress on the vehicle’s electronic systems can prematurely wear out the battery.

Alternator problem: the consequences on the battery 

An alternator problem can affect the charging of the automobile battery. The alternator must then be repaired or replaced to ensure the performance of the car’s electrical system and avoid further problems with the battery. 

The consequences of an alternator problem on the battery: 

  • Insufficient charging of the automobile battery : premature discharge of the battery and inability to maintain the charge necessary for starting. 
  • Faulty electrical equipment : fluctuations in electrical voltage can cause electronic malfunctions (headlights, electric windows, air conditioning, etc.)
  • Unusual noise : Squeaking or whistling noises (alternator belt or bearing problems) can affect battery operation. 

Whether or not to change your car battery: Spot the signs!

Without a fully functioning car battery, you can’t get from point A to point B! Nobody likes breaking down in the middle of winter or having to ask a stranger to restart their car. This is why it is recommended to remain vigilant about the condition of your car battery.

Here are some warning signs that might help you spot any potential abnormalities.

Slow engine start

Does your engine take time to start? Acting quickly can save you from potential complications. Start by checking the battery terminals for any signs of corrosion or looseness. Then, make sure the headlights and electrical accessories are turned off. If the problem persists, the sign is clear: your battery is tired and it needs to be replaced.

Dim or unusual indicator lights on the dashboard

Are your headlights not producing as much light as usual? Is the board lighting showing signs of fatigue? If just one of your bulbs is burned out, there is no cause for alarm. But if other electrical problems arise, perhaps your battery is the problem and needs to be changed. 

The battery indicator is on 

Just like a smoke detector sounds at the slightest smell of burning, the check engine light can come on during minor or major problems. The role of the battery warning light is to appear when a check of the engine condition is required. Sometimes a simple tightening of the gas cap can be enough. But to be sure and to find out if the battery is the cause, consult a mechanic. 

Anomalies under the hood 

To find other warning signs that a battery change is on the horizon, sometimes you have to look under the hood. Take the time to open it at least once a month to see what’s going on. Familiarizing yourself with the different components of your engine is always beneficial. You will benefit in the long run because you will avoid costly repairs.

Under-the-hood investigation: what clues to look for?

What clues should you look for under the hood to know if the battery needs to be changed? 

  • Burnt smell
  • Corrosion: bluish foam, usually visible on connectors. Indicates a battery crack.
  • Warped case: The sides of the battery case should be straight, with no warping or bulging.

If corrosion is present, be sure to wear gloves before dipping your hands into it. Above all, be careful: battery chemicals are corrosive, and a leak could cost you much more than replacing the battery. 

Car battery: other checks for preventive maintenance 

Identifying the warning signs is important, but staying ahead of the curve and carefully maintaining your vehicle is even better. Regular maintenance goes a long way in extending the useful life of your battery. 

Here are some expert recommendations to prevent battery problems:

  • Test the battery voltage with a multimeter.
  • Keep your car active: If your car is left unused for long periods of time, the battery may die. Take regular short walks to keep it charged.
  • Avoid draining the battery with electrical accessories when the engine is off. 
  • Clean the terminals to prevent corrosion buildup, which can interfere with the connection.
  • Check for acid leaks or damage in the battery case. If this is the case, have it repaired immediately.

Car battery: How to charge a dead car battery?

Even with regular maintenance, the battery can give up the ghost, whatever the season. Is your car battery dead? Rest assured, solutions are within reach!  

To recharge your car battery , use a battery charger and connect it to the battery terminals. Follow the manufacturer’s instructions to eliminate risks. 

If another vehicle is available, using jumper cables is another option: connect them to the terminals of both batteries to transfer the necessary energy, and charge your car battery.

Need expert advice for your car battery?

Do you want to maximize the life of your car battery while avoiding unnecessary expenses? Find out how our team at Trans-Mico Automotive can help you keep your battery in tip-top condition. Contact us to find out more! 

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Sources 

NAPA. How to recharge a dead battery quickly and safely.

NAPA. How long does a car battery last? 

NAPA. Signs your car needs a new battery.

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