Service, Repairs & MOT

Car battery replacement in Southampton

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

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

£223.05

Average price for this repair in Southampton 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 Southampton

Our top pick

RAC Mobile Mechanic in Southampton

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 Southampton

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

AutoTech Motors Services/Barry Motor Trade Ltd

5.0/5

A customer-focused approach delivered with the friendly, personal touch. Modern garage services from a workshop that regularly invests into new technology. Covering all locations in Hampshire including Southampton, Salisbury, Romsey, Eastleigh and Totton. Specialists in all German marques but able to work on any make or model. Car servicing and repair work undertaken to the same schedules as dealerships. An affordable service from a company that guarantees all parts and its workmanship. Our customers get competitive deals on car and van servicing, MOTs, air conditioning, exhausts, batteries, brakes, clutches, diagnostics, suspension and more. We even offer FREE safety checks to keep you safe on the road. We pride ourselves in giving all of our customers that personal touch, which you would expect from a family-run business, and of course the most competitive prices and great availability and service. Our friendly and knowledgeable staff are always happy to help, offering unbiased advice, and if you find a cheaper price for the same product in stock, we’ll try our best to beat it at the time of purchase.
Stanley House, Manor House Avenue, Southampton, SO150LF

Shirley Car Care Centre Ltd

4.7/5

Based in Shirley, we are a family run company and give 100% customer satisfaction for all your vehicle needs. We specialise is Clutches, Semi-automatic gearboxes, Servicing, Mots, Welding, Air conditioning, Vehicle diagnostics and much more. Find us on Facebook for reviews and don't forget to like our page!
1 Vincents Grove, Southampton, SO155HW

T G Services

4.0/5

http://tgservices.co.uk/ http://ahead-tyres.co.uk/ Car repairs and car servicing is what we do. Batteries, Brakes, Clutch, Car Engines, Car Exhausts, MOT
Joy's Keep Unit 26 Hazel Road, Woolston, Southampton, SO19 7GA

Solent MOT Centre ltd

4.0/5

Based in upper shirley (Winchester Road) in southampton, Close to the general hospital, we offer a range of services such as class 4 mot, servicing, mot repairs, suspension, clutches and same day mot and repairs.
Unit 3A North Brook Industrial Estate, Hollybrook Road, Southampton, SO166RB

Eco MOT Auto Centre

3.5/5

Eco MOT and Auto Care Located at 27-32 st marys place, Southampton, SO14 3HY Service offers: General Auto Repairs MOT Class 4 and 7 ( cars and vans) Brake Repair Clutch and transmission Tyre and 3D alignment Vehicle Diagnostic Vehicle Remapping Suspension Air Conditioning
Eco Tyres 30-32 St. Marys Place, Southampton, SO143HY

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.