CDRSD-1100_SEO500-Repair-page-headers_Battery_768x950_M.webpA mechanic using a diagnostic machine to inspect a car vehicle engine
Service, Repairs & MOT

Car battery replacement in Reigate

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

  • High quality batteries
  • Price includes fitting
  • Maximum convenience

£241.28

Average price for this repair in Reigate 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 in Reigate

We’ll come to you at home or work

RAC Mobile Mechanic in Reigate

CDRSD-703_SEO500_-_Location_Page_-_Top_Pick_-_800x450.webp

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.

CDRSD-2190_Free-FuelTreatment_product-card_800x450_01.jpg

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.

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.
FREE fuel efficiency treatment
Get a FREE fuel efficiency treatment worth £20 when you book any repair. Offer ends 01/06/26, 9am.
Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

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.

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.

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 Reigate

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

CDRSD-1990_Nick Mullender_100x100.jpg

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

KMK Automotive - Walton On The Hill

5.0/5

KMK Automotive is an independent family-run business based in Surrey, backed by more than 30 years’ experience in the industry. With auto repair garages in Leatherhead and Tadworth, we deliver exceptional vehicle repairs and services for all makes and models and our qualified mechanics complete jobs of all sizes to the highest possible standard. Whether you need to repair a fault, or your MOT test is due, our AA & RAC-approved auto centre has got you covered. For a high-quality, cost-effective alternative to main dealer services, get in touch with our fully insured team today.
Rear Of 14 - 16, Walton On The Hill, Tadworth, KT207RT

SNS Repair Services

SNS Repair Services is a family run business, who strive for nothing but excellence for our customers. We value the relationships we build with our customers and will always go the extra mile to make sure your fleet or vehicle remain on the road with great turn around times. In the beginning we started out doing jobs for friends and family and have now transitioned into a full service workshop. Already experts in many areas and are still growing fast! We have a proud history of excellent work and customers service, with many companies and couriers trusting us to keep them on the road! RAC Approved Garage.
Unit 5 Hurstridge, Hathersham Lane, Horley, RH69JG

KMK Automotive - Leatherhead

When you choose KMK Automotive Leatherhead, you can expect a high standard of service from one of the most trusted automotive specialists in the area. We offer a convenient collection and delivery service, along with courtesy cars (subject to availability), ensuring minimal disruption while your vehicle is with us. Our experienced team carries out a full range of services, including routine servicing, diagnostics, repairs, and more. Whether your vehicle is for domestic, commercial, or industrial use, we ensure it remains safe, reliable, and fit for purpose. We are proud to hold multiple industry accreditations, including RAC Approved Garage, AA Approved Garage, The Motor Ombudsman, RMI, and IMI. These reflect our commitment to quality workmanship, transparency, and excellent customer care. Choose KMK Automotive Leatherhead for a professional, efficient, and customer-focused service you can rely on.
Rye Brook Road, Leatherhead, KT227QG

Motormasters

Our hand - picked team of technicians has extensive training and experience in working on many makes and models of vehicle. We service, repair and carry out MOT testing by appointment, we also do all makes servicing & mechanical repairs, air conditioning, ABS brakes, batteries, clutches, diagnostic services, engine management, exhausts, suspension, steering, tyres and wheel alignment. Here at Motormaster Vehicle Services & Repairs, we pride ourselves in a high standard of work, carried out under clean, tidy conditions. We really do care about our customers – and their cars – and are proud to know that most of our new clients are brought to us by word-of-mouth recommendation.
Unit 12, Bookham Ind Est, Church Road, KT23 3EU

Power Evolution Performance

- We specialise in BMW, MINI & German motor vehicles. - All makes and models welcome. - N47 & M57 Diesel timing chain specialists.
20 Reading Arch Road, Redhill, Surrey, RH11HG

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.