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Everything You Need to Know About Your Car Battery

Everything You Need to Know About Your Car Battery
Everything you need to know about car batteries

Car batteries are an essential component of any vehicle's electrical system, providing the power needed to start the engine, operate the lights and radio, and power other electronics. In this blog post, we'll cover everything you need to know about car batteries, including what they do, how to tell if they need replacing, how long they last, and how to maintain them.

In this article:


What is a car battery and what does it do?

A car battery is a rechargeable battery that provides electrical power to a vehicle's electrical system. It is responsible for starting the engine by providing a surge of electricity to the starter motor, and it also powers the vehicle's lights, radio, and other electronics when the engine is not running. In essence, a car battery is the heart of a vehicle's electrical system.

How do I know if my car battery needs replacing?

There are several signs that your car battery may need replacing. The most obvious is that the engine may struggle to start or not start at all. You may also notice that the lights or electronics are dimmer than usual or that they don't work at all. Additionally, if the battery is leaking, swollen, or has a foul odour, it may be time to replace it.


Car Battery

What is the average life of a car battery in the UK?

The average life of a car battery in the UK is around five years. However, this can vary depending on a number of factors, including the type of battery, how often the vehicle is driven, and how well the battery is maintained.

How much does a car battery cost?

The cost of a car battery can vary depending on the type of battery and the vehicle it is intended for. Generally, prices can range from £40 to £150 or more, depending on the battery's quality, brand, and features.


Get a Quote for a Car Battery

Car Battery being tested by a mechanic

How do I know if my car battery is dying?

There are several signs that your car battery may be dying. These can include difficulty starting the engine, dim or flickering lights, electronics that don't work or work erratically, and a battery warning light on the dashboard. You may also notice a foul odour or corrosion around the battery terminals.

Should I buy a new battery or charge it?

If your car battery is completely dead, it will need to be replaced. However, if it is simply low on charge, you may be able to recharge it. If you're not sure, it's a good idea to have the battery tested by a professional to determine if it needs replacing or if it can be recharged.

If you are having problems with your car's battery, it may be worth booking a battery inspection. One of our qualified technicians will be able to take a good look at your battery and determine the best route to bring that battery back to life, or recommend a replacement. 


Book a Battery Inspection

Jumpstarting a car battery

How often should a car battery be replaced?

As mentioned earlier, the average life of a car battery is around five years. However, this can vary depending on a number of factors, such as how often the vehicle is driven and how well the battery is maintained. If you're unsure whether your battery needs replacing, it's a good idea to have it tested by a professional.

What should I do if my car battery is low?

If your car battery is low on charge, you may be able to recharge it by jump-starting the vehicle or using a battery charger. However, if the battery is completely dead or is not holding a charge, it will need to be replaced.

Can a jump start fix a car battery?

A jump start can help to provide enough charge to start the engine, but it will not fix a faulty battery. If the battery is failing, it will need to be replaced.


Car battery inspection being carried out by a qualified mechanic

Does weather affect car battery life?

Yes, weather can affect a car battery's lifespan. In cold temperatures, a battery's power output decreases, which can make it more difficult to start the engine. Extreme heat can also cause a battery to degrade more quickly, shortening its lifespan.

What causes a car battery to lose its charge?

There are several factors that can cause a car battery to lose its charge, including:

  1. Age: Over time, a car battery will naturally lose its ability to hold a charge due to the chemical reactions that take place within it.

  2. Leaving electronics on: Leaving the lights or other electronics on when the engine is not running can drain the battery's charge.

  3. Short drives: Short trips don't give the alternator enough time to fully recharge the battery, leading to a gradual loss of charge over time.

  4. Extreme temperatures: Extreme heat or cold can affect a battery's ability to hold a charge.

  5. Battery drain: Faulty electrical components or parasitic draws can cause a battery to drain even when the vehicle is turned off.


Car battery being replaced by a mechanic

Signs you need a new battery:

  1. Slow engine turnover: If the engine turns over slowly or takes longer than usual to start, it could be a sign that the battery is failing.

  2. Dim lights: If the headlights or other lights are dimmer than usual, it could be a sign that the battery is losing its charge.

  3. Battery warning light: If the battery warning light on the dashboard comes on, it could be a sign that the battery is not charging properly.

  4. Foul odour: If you notice a foul odour coming from the battery, it could be a sign that it is leaking or failing.

  5. Corrosion: If there is corrosion around the battery terminals, it could be a sign that the battery is not functioning properly.

  6. Old age: If the battery is more than five years old, it may be time to consider replacing it, even if there are no obvious signs of failure.

Car Batteries in Chippenham, Wiltshire

In summary, a car battery is an essential component of any vehicle's electrical system. It provides the power needed to start the engine, operate the lights and radio, and power other electronics. Knowing the signs that your battery needs replacing and how to maintain it can help ensure that your vehicle stays reliable and safe to drive.

At Chippenham Motor Company, our qualified technicians are experts in vehicle batteries. Our dealerships on Bumpers Farm and MRG, on Bath Road, would be happy to provide a full battery inspection to determine the health of your current battery, and explore options for improving the performance of your car battery. If required, we can also recommend replace your old battery and fit a new one in it's place.

Click one of the buttons below to enquire, or call our dealerships for more information.

Bumpers Farm: 01249 444000

MRG: 01249 443300

 


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Car battery being fitted by a mechanic

11 April 2023

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