6N4B-2 6v 4Ah AGM Battery

McMartins: Powering Your Journey, Inside and Out

As a family-run business, we leverage a legacy of technical expertise that stretches back to 1972 to supply you with the best parts and accessories.

Our team have supplied garages and retailers across the UK - and now we’re bringing the same quality of products and expertise directly to motorists.

Family‑run, UK‑based specialists. Trusted by consumer and trade. Delivered to your door.

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McMartins is a forward-thinking automotive parts and accessories retailer built on a foundation of technical expertise, quality products, and unwavering commitment to the customer. While our name is synonymous with battery excellence - the critical power source for every vehicle - we have grown to become a comprehensive partner for all your car care, maintenance, and enhancement needs.
We serve the everyday driver, the dedicated DIY mechanic, and professional repair shops alike, ensuring every vehicle gets the power and parts it needs to perform reliably.

Our Core Pillars: The McMartins Difference

Our business model is built on three essential pillars that guide every decision, from product selection to customer service:

1. Battery Mastery: The Heart of Our Business

• Deep Expertise: Our initial focus and enduring strength is in power solutions. We stock a vast array of batteries for everything from standard combustion engines and high-demand modern vehicles to specialized batteries for motorcycles, boats, and electric vehicle (EV) auxiliary systems.

• The Right Fit Guarantee: We utilize advanced fitment technology to ensure every customer is matched with the exact CCA, Group Size, and technology (Lead-Acid, AGM, EFB, Lithium) required by their specific vehicle.

• Sustainability Focus: We are committed to responsible battery life cycle management, offering robust battery testing and free, ethical recycling services for old units.

2. Curated Quality Parts: Reliability First

• Essential Maintenance: We supply the parts you need to keep your car safe and running smoothly, including:

  • Batteries: Traditional Led-Acid, Lithium and more.

  • Battery Chargers

  • Jump Starters

• Vetted Suppliers: Unlike general retailers, we partner only with trusted, industry-certified manufacturers to guarantee the quality and durability of every component we sell.

3. Smart Accessories & Tools: Empowering the Driver

• Modern Automotive Life: We stock a range of accessories that enhance both the driving experience and the garage workflow.

• Product Categories Include: Battery chargers and jump starters, portable power packs, high-performance lighting, and premium diagnostic tools for the DIY market.
  

Our Customer Commitment: Service, Simplified

At McMartins, we understand that car maintenance can be confusing and intimidating. We strive to make the process as straightforward and stress-free as possible.

The easiest way to find the right battery is using our Yuasa Battery Finder.

Learn how to safely replace your motorcycle battery with GS Yuasa. Watch our step-by-step guide on how to change your battery and ensure it is the correct specification for your bike. Remember to always follow health and safety instructions and consult your vehicle's handbook.

00:00 – Introduction 
00:10 – Where to get a new battery 
00:25 – Choosing the correct battery
00:40 – Battery location 
01:15 – Battery replacement demo

For more information on Yuasa’s world-leading range of motorcycle batteries, visit www.yuasa.co.uk/bike