A mechanic using a diagnostic machine to inspect a car vehicle engine
Service, Repairs & MOT

Car battery replacement for your Audi

Get £10 off battery replacements at home with RAC Mobile Mechanics*

  • Top-quality batteries
  • Price includes fitting
  • Maximum convenience

*T&Cs apply. Offer ends 20/07, 23:59.

£255.76

Average price for this repair for your Audi in the last 30 days^

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 for your Audi

We’ll come to you at home or work

Our top pick for your Audi

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.

Car battery replacement

From £150^^

£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.
*T&Cs apply. Offer ends 20/07, 23.59.

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

Vehicle diagnostic check

£99

Our mobile mechanics will spend up to 30 minutes checking your car for faults and talk you through any repairs you might need and give you a report for your records. Plus, when we’ve diagnosed the problem get £50 off mobile mechanic repairs over £150 – for a limited time only. T&Cs apply. Offer ends 03/08, 23:59. 

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
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.

And it’s not just car battery replacements that we can do for your Audi

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

Try one of our RAC Approved Garages

ROYAL CARS AUTOCENTRE LIMITED t/a AUTODOCS

5.0/5

Based in heart of Buckinghamshire in High Wycombe we are both AA and RAC approved garage, we provide the following: Bodywork Whether it’s a minor scratch or major collision damage, our skilled technicians can restore your vehicle’s bodywork to its original condition, using the latest techniques and equipment. Mechanical From routine maintenance to complex repairs, our experienced mechanics have the expertise to handle any issue your vehicle may encounter, keeping it running at its best. MOT Service We offer a full Class 4 & Class 7 MOT service, to make sure your vehicle meets the minimum requirements for driving on the road. Book your appointment now.
Unit 3, Abercromby Industrial Estate, Abercromby Avenue, High Wycombe, HP123BD

Central Motor Services Limited

4.4/5

Central Motor Services are an independent garage based in Hucknall, Nottingham. We pride ourselves on providing excellent customer service and have built a great working relationship with our customer base over the years. We offer servicing, general repairs and MOT's for all makes of cars, vans and motorhomes. We have the latest diagnostics machine and are a trusted Terraclean service centre. We are part of the RMI Trust My Garage Scheme and have some lovely customer reviews to back us up. We offer discounts to Blue Light Card Holders & Defence Discount Services here at CMS.
Unit 2 Ben Arran House, Wigwam Lane, Hucknall, NG157SZ

Precision Vehicle Repair Centre

4.2/5

Vehicle repair centre is here for your automotive repairs and maintenance work, all at a reasonable and transparent prices. Our success rides on the goal of providing the finest Vehicle Repair services possible.
Unit 7 Angel Road Works, Advent Way, London, N183AH

Redburn Mot and Service Centre , Bosch Car Service

4.8/5

WE ARE WHO CAN FIX MY CAR 2018 AWARDS FINALISTS. Looking for great value car servicing? Need a reliable MOT test centre? We are specialists offering a full range of car servicing / repairs and MOT's at great prices. In addition we offer air con re-gas, tyre supply and fitting, tracking and laser alignment and full diagnostics. We pride ourselves on our excellent service and our 5-strong team of trained mechanics will be happy to answer all of your questions regardless of your vehicle make or model. Call us today for a great deal on your next car MOT or car service. Our state of the art facility has everything we need to offer comprehensive care for your vehicle,
Unit 9A/B Cowley Road, Blyth Riverside Industrial Estate, Blyth, NE24 5TF

Car Care Tetbury

4.4/5

Established in 1974, we are Tetbury's premier independent garage offering a dedicated and experienced team of seven mechanics. As a small, family run business we provide a professional yet personal service and a familiar face to all of our returning customers. We have been voted Independent Garage of the Year 2012 by both Motor Trader and the Motor Industry Code of Practice! We offer a full range of services for all makes of cars, four wheel drives and light commercial vehicles. At Car Care Tetbury customer satisfaction is our top priority so please contact us today at whocanfixmycar.com.
Car Care (Tetbury) Ltd, Units 1-3, Priory Industrial Estate, London Road, Tetbury, GL8 8HZ

Frequently asked questions on 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.

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.

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.

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.

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.

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.

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.

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.
  • 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.