Service, Repairs & MOT

Car battery replacement in Farnham

Book an RAC Mobile Mechanic and we’ll come to you at home or work.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

£196.96

Average price for this repair in Farnham in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car battery replacement?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running.

Plus, with RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage when you need a repair. We’ll come to you, at your home or work.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Farnham

Our top pick

RAC Mobile Mechanic in Farnham

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.

Book a car battery replacement

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.

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.
Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Book a diagnostic

For when you know something isn’t right, but you’re not sure what – our mobile mechanics are here to help.

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 do in Farnham

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.

Try one of our RAC Approved Garages

Rowledge Garage

5.0/5

sed in Rowledge Surrey, Rowledge Garage provides a quality, reliable motor engineering service covering all garage operations from MOTs to car servicing and auto diagnostics. The garage offers free vehicle pick up and drop off to customers for your convenience, plus competitive pricing with a personal service.
5 The Square, Rowledge, Farnham, GU104AA

Liphook Auto Services

5.0/5

We pride ourselves on our customer service and our online feedbacks speak for themselves. We are based in Lindford at Broxhead trading estate. Come and experience how a garage visit should be!!!
Sterling House, Broxhead Trading Estate, Lindford, GU350JX

Ravenscroft Motor Company

4.6/5

Our garage in Fleet, Hampshire provides MOT Testing, car servicing and offers a comprehensive range of car repairs. We work across all makes and models and have an excellent reputation throughout the local area for our efficient, professional and affordable service. Since 1979 Ravenscroft Motors has provided Fleet and the surrounding area with a variety of garage services and are proud of the strong customer loyalties that have developed over this time. When leaving your vehicle in our care‚ you can be assured that our team of dedicated professionals are committed to providing you with the highest levels of expert services at value for money prices. We hope that we may be able to assist you with your motoring needs and look forward to welcoming you to our Fleet Road service centre.
57-61 Fleet Rd, Fleet, GU513PJ

G Force Tyres & Exhaust

4.0/5

Here at G Force Tyres we understand that time is a very important factor in todays busy schedules, so whether your at work, playing golf or enjoying a days shopping we can take out the hassle by offering a collection and drop off service. General car repairs range from frequent servicing needs like replacing brake pads or bulbs to more occasional things like having a new exhaust pipe fitted. You may want to put off the everyday repairs because of money or time but we advise you not to because it can lead to more serious and costly problems. At G Force Tyres we offer affordable repairs at a time to suit you, so it's easy to keep your vehicle in good condition. Whatever the problem, here at G Force Tyres we're happy to help. Our dedicated team of sales and service staff can offer you over 100 years combined experience,
183 Ash Road, Aldershot, GU124DD

Swiftest Motors Ltd

3.7/5

Swiftest Motors of Aldershot are a friendly and honest independent garage dedicated to providing sensational service to you and your vehicle. We are here to build solid and trusting customer relationships based on providing a truly excellent service with great value. We want to prove to you that we will go the ‘Extra Mile’ to gain your custom and, more importantly, retain it. As a proud member of the RAC Approved Garage Network our mission is to always provide you with the highest quality of auto repair and exceptional customer service. Our skilled team of highly qualified motor engineers will always get you back on the road as quickly and efficiently as possible.
Swiftest Motors Ltd., 17 Blackwater Way, Aldershot, GU124DN

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: Disconnectthe 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.