Car Battery Replacement

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Your car battery powers the starter motor, ignition system and onboard electronics. Over time, batteries lose capacity, especially in colder weather, leading to slow starts or breakdowns.

 

A failing battery can also affect modern electrical systems and vehicle performance. Testing identifies whether replacement is required before complete failure occurs.

 

We supply and fit Bosch batteries suited to your vehicle’s specifications, ensuring reliable starting and electrical performance.

 

Car Battery Checks

During a battery check, our technicians conduct a visual inspection of the battery, casing, and terminals. Issues noticed during this phase are normally indicators of serious wear and tear, such as terminal corrosion, or warped casing. Following this inspection, the battery voltage will be checked under load using advanced diagnostic equipment, from which capacity readings will be taken. It is also necessary to measure charging performance; this test is of particular importance if previous readings indicate low voltage levels.

 

Following a battery check, our Bosch technicians will deliver a report highlighting any issues noted within the battery system and provide estimated repair or replacement costs, letting you make an informed decision.

 

Car Battery Replacement and Fitting

We offer a comprehensive battery fitting and replacement service using Bosch components. Our highly trained, Bosch-accredited technicians perform fittings across a wide variety of vehicle models and battery types, from regular to EFB and AGM. Key features of this service include an initial visual inspection, safe cable disconnection, replacement of cables, and cable tightening, alongside the fitting of a quality Bosch battery, which features a corrosion-proof design, and a three-year unlimited mileage guarantee.

 

Following installation, our technicians will register your new battery with the Energy management system when applicable and recycle the used battery on your behalf.

 

Benefits

Why You Should Book Car Battery Replacement

Improved power output

Detect issues prior to failure

Correct disposal of old batteries

Testimonials

See What Our Customers Say

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Chloe Gunstone profile picture
Chloe Gunstone
2026-03-06
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Excellent experience with Bosch. We had our car for 8 weeks at another garage with no progress and decided to take it to Bosch instead. They got our car in earlier than expected and diagnosed the issue quickly and kept us updated throughout. Pete was especially helpful, friendly and a great guy who is super responsive which we really appreciated. Would definitely recommend it to anyone looking for a responsive, honest and fair priced garage. Thank you so much!
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G H profile picture
G H
2026-02-14
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Impeccable Service | 4 Wheel Alignment | Camber + Lowering Kit Best service by Luke at Bosch Autocentres in Hitchin After bad experiences at other mechanics, it was refreshing to have such a great experience at Bosch. They were incredibly helpful for weeks of planning as I was ordering parts from overseas, happy to learn and adapt to fit the new N2itive lowering links and camber and toe arms on my Tesla. Luke discussed with me throughout the service what I wanted and what was possible on the car. It's by no means a simple process either but he was very good at figuring out what to do. Beyond this he went above and beyond happy to help adjust the headlights and reset the adas system as things I mentioned I would need to find a flat surface for to which he offered to sort whilst it was there. The 4 wheel alignment was also dialled in perfectly, again not an easy task with factory parts and even with new parts can be tricky. Checking the data sheet, it was actually rare to be able to get into this spec on this car. I would say I'm very particular in what I wanted and picky in choosing a place I trust. Bosch has earned a new customer and delivered a fair price for the quality of work. What would you pay for trust in a mechanic...
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John Offord profile picture
John Offord
2025-12-05
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Truly excellent. Old-school customer service (knowledgeable, polite, prompt - thank you Simon), clean and smart premesis and (obviously) competent technicians. Solved the fuelling problem on my mum's 30 year old Audi quickly and effectively and without any drama. Along with bill (quite reasonable), I was presented with a bunch of photos evidencing problem and solution. Why can't all garages (companies) be like this? Wouldn't hesitate to recommend or return. Thank you.
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John Roberts profile picture
John Roberts
2025-11-18
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I have a diesel Merc E Class that had a series of sensor issues to the ABS system following wheel bearing replacement. Bosch Hitchin carried out the repairs and followed up with further diagnostic checks and repairs when the sensor glitch continued. When things didn't go to plan from the first repair the followed up with excellent customer service and first class work. I would highly recommend to anyone who is thinking of using their services.
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Julie Sales profile picture
Julie Sales
2025-09-28
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We took our Mercedes Marco Polo to the Bosch Auto Service and Tuning Centre with an ABS warning light appearing on the dash. Diagnosis was speedy and the relevant part was ordered and fitted in no time at all. Excellent communication every step of the way, from initial booking to final collection of our vehicle. An incredibly efficient and professional team who offer a very friendly and personal service. A huge thank you to all. Julie Herrtage
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Diary of a Beach Hut Beach Hut Rental
2025-09-15
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I took my SEAT ARONA in for a full service this morning. I have just picked up and cannot rate this place enough. The staff greeted us this morning and explained what the service entailed. Having just collected I had to go back in and thank the guys for my beautiful clean car which has had a full valet . Even the tyres have been buffed. We will definately be bringing our car back for its next service. I can only describe the experience as good old fashioned service !! Thanks team Allison
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Sarah Anderson profile picture
Sarah Anderson
2025-07-11
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Excellent service thanks. Sorted out my Audi automatic gearbox issues quickly and efficiently. A delighted customer!
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andy mason
2025-07-04
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I am very happy with the work done to replace a NOX sensor on my Mercedes, they explained the issue and were confident on fixing the repair, do the diagnostics and software coding.
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Adam profile picture
Adam
2025-04-25
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Excellent service and quality work. I can't recommend these folks enough. The team is always very clear about any work needed, why, as well as timelines. They're great at providing advice.
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Steve Evans profile picture
Steve Evans
2025-01-16
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I’ve been using Bosch car service in Hitchin for my previous Audi and now Mercedes for many years. The quality of the team and service they provide is simply outstanding. Professional, good communication and experienced. No need to look anywhere else.
FAQs

Car Battery FAQs

Check your owner’s manual or ask a technician to identify the correct size, capacity, and type for your vehicle’s engine and electrical systems.

Signs include slow engine cranking, a dim dashboard, warning lights, or the battery failing to start the car. A technician can perform load and voltage tests to confirm.

Car batteries typically last 3 – 5 years, depending on usage, climate, and electrical load. Extreme temperatures and frequent short trips can shorten battery life.

The battery warning light usually means the charging system isn’t working or the battery voltage is low. Either the battery isn’t charging or there’s an alternator issue. Get this diagnosed promptly to avoid a breakdown.

Car Battery FAQs
Manufacturers

We Work With

Auto Service & Tuning Centre is proud to provide a fully comprehensive range of professional, high-quality vehicle repair and maintenance and diagnostic services to Hitchin, Hertfordshire and beyond. Our Bosch certified team specialise in German cars, including BMW, Mercedes, Porsche, Volkswagen, Mini, as well as other prestige car brands such as Range Rover & Jaguar. We work with all common models and engine types, including petrol, diesel, electric, and hybrid.
We Work With

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