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Our expert insights into car battery replacement & fitting

Our expert insights into car battery replacement & fitting

What is a car battery replacement?

The car battery is responsible for powering all of the electric components in your car. A car battery is to have an expected lifespan of between 4 to 6 years.

What causes a car battery to stop working correctly?

On occasions when there has been excessive electrical use without your battery being recharged, your battery will be drained. If your car doesn’t start when you turn the ignition switch, especially when the engine doesn’t make any attempt to turn over, your battery could be flat.

View more symptomsView more symptoms

How much does it cost to change my car battery?

Save up to 30% on your car battery replacement & fitting. See our table below to browse our honest, upfront prices.

What happens when we replace your car battery?

Our efficient and fully qualified mechanics will inspect your battery and replace it wherever required.


Learn more

Daniel, from London

Hey Fixter, how often should a car battery need replacing?

Daniel
Terry

Terry, Fixter in-house mechanic expert

checkedCollection and delivery — anywhere

What is a car battery replacement?

The car battery is responsible for powering all of the electric components in your car. A car battery is to have an expected lifespan of between 4 to 6 years.

What causes a car battery to stop working correctly?

On occasions when there has been excessive electrical use without your battery being recharged, your battery will be drained. If your car doesn’t start when you turn the ignition switch, especially when the engine doesn’t make any attempt to turn over, your battery could be flat.

View more symptomsView more symptoms

How much does it cost to change my car battery?

Save up to 30% on your car battery replacement & fitting. See our table below to browse our honest, upfront prices.

What happens when we replace your car battery?

Our efficient and fully qualified mechanics will inspect your battery and replace it wherever required.


Learn more

Daniel, from London

Hey Fixter, how often should a car battery need replacing?

Daniel
Terry

Terry, Fixter in-house mechanic expert

checkedCollection and delivery — anywhere

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How much does car battery replacement & fitting cost?

How much does car battery replacement & fitting cost?

Honest, upfront quotes and savings up to 30%

A typical car battery replacement & fitting in the UK costs around £151.43 - £164.05. Depending on your car brand, model and engine, and whether you live in a big city or a small one, the price of a car battery replacement & fitting on your vehicle can be higher or lower. We have computed prices for some of the best-selling cars in the UK in order to give you an idea of how much the car battery replacement & fitting should cost.

Car make and modelDealers
average price
Fixter logoexclusive price
Instant savings

Peugeot 308

1.6 litres

£196.59 £162.4717%

Mazda 323-estate

1.6 litres

£183.23 £151.4317%

Honda Civic

1.8 litres

£192.78 £159.3217%

Mazda 2

1.3 litres

£188.00 £159.3215%

Smart City-coupe

1.6 litres

£184.27 £156.1615%

Smart Fortwo-cabrio

1 litres

£184.81 £159.3214%

BMW 3-series

2 litres

£196.86 £164.0517%

Peugeot 108-top

1.2 litres

£194.69 £160.9017%

Ford Focus

1 litres

£175.96 £153.0113%

Citroen Ds3

1.6 litres

£190.10 £162.4715%

BMW 3-series

2 litres

£196.86 £164.0517%

Smart Fortwo-cabrio

1 litres

£184.81 £159.3214%

Honda Civic

1.8 litres

£192.78 £159.3217%

Mazda 323-estate

1.6 litres

£183.23 £151.4317%

Smart City-coupe

1.6 litres

£184.27 £156.1615%
Get your free quote and save up to 30%Get an instant quote

* The cost of your car battery replacement & fitting depends on your car make and model and may vary depending on your location.

Our trusted and certified garages

MILLENNIUM GARAGES

London, UK
stars-5
22 reviews
MILLENNIUM GARAGES is located in London, UK. We provide quality car services and repairs with our team of expert mechanics

HOLOCENE MOTOR GROUP

London, UK
stars-5
23 reviews
HOLOCENE MOTOR GROUP is located in London, UK. We provide quality car services and repairs with our team of expert mechanics

BLENHEIM TRANSPORT LTD

LONDON, UK
stars-4
17 reviews
BLENHEIM TRANSPORT LTD is located in LONDON, UK. We provide quality car services and repairs with our team of expert mechanics

PORSHEWORX ENGINEERING LTD

London, UK
stars-5
15 reviews
PORSHEWORX ENGINEERING LTD and their team of qualified mechanics at London, UK look after your cars MOT, Servicing and Repairs

CANNING CAR CARE

London, UK
stars-5
18 reviews
CANNING CAR CARE is located in London, UK. We provide quality car services and repairs with our team of expert mechanics

DUNDALK MOTORS

London, UK
stars-5
24 reviews
We are located in London, UK and handle your vehicle's MOT, Servicing and Repairs for all car makes and models.

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Your car battery replacement & fitting is in safe hands with our top-rated mechanics

We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.

Fully qualified mechanics with 10+ years’ experience 👨‍🔧

Your car is in the UK’s safest expert hands.

Manufacturer-equivalent parts only ⚙️

Identical to your manufacturer’s, but much cheaper!

In-house experts approve all work personally 🔍

Every service carried out by our partner garages is fully reviewed.

12-month warranty on parts and labour 🛠

Any additional work needed will be carried out for free.

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Your car battery replacement & fitting is in safe hands with our top-rated mechanics

mechanics

We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.

Fully qualified mechanics with 10+ years’ experience 👨‍🔧

Your car is in the UK’s safest expert hands.

Manufacturer-equivalent parts only ⚙️

Identical to your manufacturer’s, but much cheaper!

In-house experts approve all work personally 🔍

Every service carried out by our partner garages is fully reviewed.

12-month warranty on parts and labour 🛠

Any additional work needed will be carried out for free.

Get an instant quote

Want to learn more about car battery replacement & fitting?

Want to learn more about car battery replacement & fitting?

What does a car battery do?

The car battery is responsible for powering all of the electric components in your car. As well as the lights, stereo, windscreen wipers, etc. it is also responsible for powering the ignition system that starts your engine and keeps it running.

How much does it cost to fit a car battery?

A car battery replacement can cost anywhere from £100 to well over £300. Of course, it depends on the make and model of your car. A high-end vehicle battery replacement will come at a premium, but the average family car from a reputable manufacturer shouldn't really cost you more than £200.

When should you replace your car battery?

Your car battery needs replacing if it's struggling to perform the tasks your car needs it to do. If your car has problems when you try to start it, or your headlamps are dim when the engine is idling, then there could well be issues with the battery that means it needs replacing.

How many years do car batteries last?

A battery has an estimated lifespan of between 4 to 6 years. Over time it will lose the ability to hold a charge, and at the end of its useful life it will no longer retain enough of that charge to start your car or power the electrical components it's designed to.

The lifespan of your battery will be affected by the way you drive, your typical journey distances, weather conditions, the quality of the battery and your vehicle type.

How can I tell if my car battery is going bad?

Typical symptoms of a failing battery include corrosion on the terminals or powdery deposits on any part of the battery. Terminal corrosion indicates a worn-out battery and the powdery deposits are likely leaked acid from a worn or faulty battery.

If the lights, fan, radio or other components won't operate when the engine isn't running, or the car refuses to start, then it's likely your battery is flat. A flat battery could mean it's reached the end of its life, or there's a problem with the alternator or charging system.

If a car is not starting, how do you tell if it's your battery or alternator?

A simple test is to start the car, and while it's running remove the positive connector from the battery. If the car stalls, then it's far more likely to be a fault with the alternator than the battery. Dimming interior and dashboard lights can also indicate a poor-performing alternator.

If your car jump-starts using leads connected to another car, then it's more likely a battery issue than with the alternator.

What are the signs of a weak car battery?

The following are all key indicators of a weak or failing battery. Dim headlights. A clicking sound instead of the engine igniting when you turn the key. A slower cranking sound as the engine attempts to start. Engine backfiring when trying to start the vehicle. Issues with your car's electrical system. Dim headlamps and internal lighting.

What happens to your car when the battery dies?

If your battery dies when your car isn't in use, it won't start the next time you try.

If the battery dies while you are driving your car, then performance will most likely deteriorate until the vehicle stops to run. There simply won't be enough charge to power the spark plugs or injectors as the load from the electrical system continues to drain the remaining battery charge.

How do you install a car battery?

When replacing a car battery, the main thing to remember is to remove the negative terminal (the black one) first, then the positive (red).

Once you've removed the securing clamps and removed the battery, replace it with the new one and prepare to reattach the terminals. This time attach the positive terminal (red) first, followed by the negative (black). You should clean the terminals thoroughly removing any dirt or corrosion. Spray the terminals with anti-corrosion solution before reconnecting, and be sure to both terminals are securely tightened, as are the securing clamps.

How do I bring my car battery back to life?

Most new batteries are sealed and maintenance-free, so you really shouldn't interfere with what's inside. Older batteries, or those with accessible battery caps, can have each compartment topped up with water to the correct, and optimum, level.

A trickle charger or smart charger should be used to slow charge the battery over a week to 10 days. The slow charging rate should dissolve the de-sulphation that kills the battery.

Alternatively, wire in an electric de-sulphate device or add a chemical desulphator to the filling ports.

What do you do if your car battery dies?

If your battery has been drained by accident, then you can jump-start the car by attaching jump-leads between your car battery and the healthy battery of another vehicle. Driving your car can put the charge back onto a flat battery, or at least get you home where you can use a charger to recharge your battery fully.

Remember to connect positive to positive (the red lead) and negative to negative (the black lead). Start the engine of the car with the healthy battery and allow it to run for around 10 minutes. This will put some charge onto the flat battery. You can then attempt to start the car with the flat battery. If the car doesn't start, the problem could be more severe than you initially thought.

If the battery has died and isn't just flat, then the battery will need replacing. The old battery must be disposed of and recycled properly.

Can a bad alternator destroy a new battery?

It's possible. A faulty alternator can overcharge a battery, causing premature cell failure. Also, where an alternator is producing excessive ripple voltage or has a bad or shorted diode, they could damage the cells of your battery too. Where AC flows into a battery, it won't take long to damage the battery cells.

Do I need a new battery after replacing alternator?

Not necessarily. It depends on the alternator fault and the subsequent effect it had on your battery. Your battery might have been impacted, damaging the cells, which would suggest it needed replacing. The best way to decide if a battery needs replacing is to have it tested, determining its true condition.

If the battery is over 4-years-old, it's probably worth replacing anyway.

How long does it take to charge a car battery while driving?

We'd say around 30 minutes to an hour. It depends on a few factors, but half an hour should deliver an adequate amount of charge to your battery. If you keep your engine's RPM reasonably high, your battery will charge at a faster rate, so driving on a motorway, it should take around 30 minutes to charge your battery. If you're driving around town, then it could take an hour or more.

How long do I have to drive my car to charge the battery?

At 1000rpm, it should take around half an hour of driving to deliver enough charge to your batter to restart your car. For a full charge, you would have to drive your car for over an hour.

How long is warranty on car battery?

It depends on the battery, where you bought it and whether it was installed by the manufacturer. You should check your vehicle warranty for the exact details pertaining to your car.

If you bought your battery from a third-party dealer or service centre, then they could be covered by anything from a single-year up to a 5-year warranty.

Are car batteries under warranty?

Some vehicle manufacturers only cover the battery for the first year of the vehicle warranty, where others will cover them for the full term.

If you bought your car from a used-car dealership, then it's unlikely to be covered. You need to consult the terms and conditions of each warranty, as every dealership will have their own rules or operation.

How long can a car battery last without charging?

It's impossible to pinpoint an exact time, as there are many factors that can affect the outcome. A car in good condition with a healthy or reasonably new battery should last up to 2 months. However, depending on the temperature, the electric components that run even when your car doesn't, and the battery chemistry, the time it takes to lose its charge could be as little as a few weeks.

We cover all makes and models — anywhere in the UK

We cover all makes and models — anywhere in the UK

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