Book a Car Battery Replacement & Fitting in Croydon

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car battery replacement?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do battery replacement and fitting on your driveway, so you don't even need to leave the house.

We use only quality batteries that meet OEM standards – that means they meet your vehicle manufacturer’s strict quality criteria, with a minimum 3-year warranty as standard. The price includes fitting, ensuring no surprises on the day. No hidden costs, just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Croydon

We’ll come to you at home or work

RAC Mobile Mechanic in Croydon

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At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind® to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

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Car battery replacement

From £160^††

If your car won’t start due to a dead or failing battery, our mobile mechanics can test your battery, provide a replacement, and install it on the spot at home or work, saving you the hassle of going to a garage.

OEM quality parts

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.

Mechanics you can trust

Our mobile mechanics are friendly, honest, and backed by the RAC.

FREE fuel efficiency treatment

Get a FREE fuel efficiency treatment worth £20 when you book any repair. Offer ends 01/06/26, 9am.

Vehicle diagnostic check

£99

We’ll spend up to 30 mins checking your car’s onboard management system for faults. We’ll talk you through repairs needed and provide a full report. If any further work is needed, we’ll agree this with you before we start. Any additional work after the first 30 minutes will be priced at £20 per 15 minutes. We’ll agree this with you before proceeding.

Diagnostic check

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors

Full error report and advice on repairs

If we detect any issues, we'll talk through what needs to be repaired. We’ll give you a no-obligation quote to fix it on the spot, if we can. Or we’ll recommend a local RAC Approved Garage, and give you a full error report to take there.

Average cost of a car battery replacement by car make^

The cost to replace your car battery will depend on the car you drive and battery recommended. According to RAC data, the average cost to replace a car battery is £214. But you can check out the average price of a car battery replacement for your specific car make here.

Make	Average price
Ford	£230
BMW	£286
Volkswagen	£230
Mercedes	£258
Nissan	£224
Toyota	£234
Audi	£270
Vauxhall	£226
Peugeot	£235
Land Rover	£266

^Average price quoted for RAC Mobile Mechanics from 01/01/25 to 31/03/25.

And it’s not just car battery replacements that we do in Croydon

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

A close up of an RAC mobile mechanic looking under the hood of a car

What our expert says

A healthy battery will help you avoid breakdowns and keep your car in top condition. An old worn battery can cause starting issues and could fail any time – leaving you stranded.

Nick Mullender

Lead RAC Mobile Mechanic

Try one of our RAC Approved Garages

View all garages

B&W Motor Company.

Welcome to B&W Motor Company From our convenient location in South Croydon, we aim to offer our customers peace of mind that we can cater for all aspects of maintaining their vehicles in a cost effective and friendly manner. We deal with all makes of cars and LCV’s whether they are Privately owned, Company or Lease managed vehicles. We are delighted to have been invited to join the national network of RAC Approved Garages. The RAC have been serving motorists since 1897, and as the motorist’s champion, it’s their duty to provide motorists with a network of independent garages they can trust, that’s why they set up the RAC Approved Garages Network. As an RAC Approved Garage we follow the RAC Customer Charter for Approved Garages. This means you will get: Honest pricing – All work will be explained clearly and the costs will be transparent Quality work – Any repairs done will meet the high standard set by the RAC Exceptional customer service – You’ll find the service friendly, straightforward and jargon free For more information about the RAC and the Approved Garages network, please visit: www.rac.co.uk/approvedgarages Our range of services offer a winning combination of affordability along with the highest technical and customer service standards; whether basic servicing, diagnostics, wheel alignment, brakes, clutches or air conditioning.

57 Brighton Rd, South Croydon, CR26ED

Kar Klinik SE26

Welcome to Kar Klinik, your trusted automotive service provider since 1999. Located in Sydenham, SE26, our family-run garage is committed to excellence in customer service and quality workmanship. We offer a comprehensive range of affordable car services tailored to meet the diverse needs of drivers throughout Sydenham SE26, Lewisham SE13, Brockley SE4, and the broader South-East London area. Experience the confidence and peace of mind that comes with a reputable garage known for integrity and expertise, dispelling common stereotypes and consistently earning the trust of our clients.

Unit 1, Abbey Trading Estate, London, SE265TW

Sutton Motors and Garage Limited

Sutton Motors and Garage Ltd is a reputable car repair and maintenance garage serving the Sutton area of South London. As a trusted local business, the garage provides a wide range of automotive services designed to keep vehicles safe, reliable, and roadworthy. These services include routine servicing, diagnostics, MOT testing, brake and clutch repairs, exhaust and suspension work, and general mechanical repairs. Mechanics at the garage are experienced and customer-focused, offering competitive pricing and professional expertise to address both everyday maintenance and more complex vehicle issues. Sutton’s busy roads and diverse driving conditions make reliable automotive care essential, and this garage plays an important role in meeting those needs for drivers in the Sutton community and surrounding areas.

292-300 Carshalton Rd Carshalton, Sutton, London, SM53QB

Motech

Motech are an independent garage based in South West London offering a wide range of garage services to all makes and models. We have a wealth of experience in the garage, with our mechanics coming from strong backgrounds in Peugeot, Ford, VW, Audi, BMW and Mercedes repairs.

43 Mitcham Lane, London, SW16 6LJ

SAIMitcham Ltd

At SAI Mitcham Cars we deal with various car services such as full MOTs, body repairs and spraying, mechanical work, tyre fitting, car sales & much more. Here at SAI motors we are best known for our MOTs, which we cover classes 4, 5 and 7. We take every second of care to ensure your vehicle has been tested properly and is road safe and legal. We are transparent and make sure not only we but you are happy with result, making sure you leave with a safe and sound vehicle.

Unit 19 Willow Lane Business Park, 3-9 Willow Lane, Mictham, CR44NA

Frequently asked questions on car battery

How to charge an electric car battery

Charging your electric car battery involves:

Plugging into a charger: Use a home charger or a charging station.
Monitoring charging: Most electric cars have a display to show how charged the battery is.
Charging time: This varies depending on the charger and your electric car’s battery. Home chargers typically take six to eight hours. Fast chargers can take 30 to 60 minutes.

Always follow the guidelines for charging.

How do you change a car key battery at home?

To change your car key battery:

Open the key fob: Use a small screwdriver or coin to open the fob.
Remove the old battery: Take note of the battery type.
Insert the new battery: Make sure it’s the correct type and is oriented as it should be.
Close the key fob: Snap or screw it back together.

Check your car manual for exact instructions.

Can I replace the car battery myself?

Yes. You can replace a car battery on your own if you follow these steps:

Turn off the engine: Make sure your car is off.
Remove the old battery: Disconnect the negative (-) terminal first. Then disconnect the positive (+) terminal. Remove any clamps or brackets holding your car’s battery in place.
Install the new battery: Place your new battery in the tray. You can then secure it with clamps or brackets. Connect the positive (+) terminal first. Then connect the negative (-) terminal.
Test the battery: Start your car to make sure the battery is working.

If you’re unsure, use a professional service.

How do I know my car battery needs replacing?

Signs you need a new car battery include:

Slow engine cranking: The engine takes longer to start.
Dim lights: Headlights and inside lights are dimmer than usual.
Battery warning light: The battery or charging system warning light is on.

If you notice any of these signs, it’s time to get your battery checked.

What is the best type of car battery for my car?

The best car battery depends on your car and how you drive:

Standard lead-acid battery: Suitable for most cars with regular driving patterns.
AGM battery: Ideal for vehicles with high electrical demands or stop-start systems.
Deep cycle battery: Used in electric and hybrid vehicles.

Read your car manual or ask a professional for recommendations.

Is a car battery replacement covered under warranty?

Most car warranties cover battery replacement for a period. This is usually two to three years. Extended warranties may offer you longer coverage. Check your warranty details or talk to the provider for more info.

Can extreme weather affect my car battery?

Yes, it certainly can:

Cold weather: Low temperatures can decrease the battery's ability to hold a charge, making it harder to start the car.
Hot weather: High temperatures can cause battery fluid to evaporate, leading to potential damage.

Regular checks are important in extreme weather.

How do you recycle an old car battery?

Recycling an old car battery is important for environmental reasons as it can be very polluting.

Take it to a recycling centre: Many auto part stores and recycling centres take old car batteries.
Check local regulations: Some areas have specific guidelines for battery disposal.
Use a professional service: Many mobile mechanics and garages offer battery recycling services.

What’s the difference between a lead-acid battery and an AGM battery?

Lead-acid battery: Common, cost-effective, and reliable for most vehicles.
AGM battery: More expensive. It offers better performance and durability, in vehicles with high electrical demands or stop-start systems.

Talk to a professional to find the best battery for your needs.