Campervan Split Charging Specialists

The UK's most comprehensive directory of campervan split charging specialists. 72 verified companies, independently rated and reviewed.

72 Specialists

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1,670+ Reviews

39 Locations

Added byJoe Tannorella·Published 15 February 2026·Updated 7 May 2026

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Best Campervan Split Charging Specialists

Ranked by verified Google ratings and customer reviews. We track 72 companies offering campervan split charging across the UK — here are the highest rated.

Adventure Style Campers - Campervan Conversions

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Key Facts About Campervan Split Charging

✓ Split charging connects your leisure battery to the engine's alternator, letting you charge your living area power while driving.
✓ A professional DC-DC charger installation typically costs £600–£1,500, depending on the charger size and vehicle complexity.
✓ A typical professional installation requires four to eight hours, involving routing thick, fused cables from the engine bay.
✓ Professionals correctly size cables and fuses for the alternator's output, a critical safety step often overlooked in DIY installs.
✓ Modern vans with smart alternators require a DC-DC charger, as a simple relay system will not charge the battery properly.
✓ The system turns driving into productive charging time, making it fundamental for anyone planning to travel properly off-grid.

Why Choose Professional Campervan Split Charging?

DIY split charging is tempting, but the risks are significant. Using the wrong wire gauge or an incorrectly sized fuse can lead to melted cables, a fried alternator, or even a fire. A professional installation sidesteps these dangers. Specialists understand the complexities of modern vehicles, especially vans with smart alternators that require a specific DC-DC charger to work correctly. This ensures your leisure batteries receive a full, multi-stage charge, extending their lifespan and guaranteeing you have power when you need it. In practice, a pro build is not just safe but performs efficiently for years of off-grid travel.

When vetting an installer, ask targeted questions. A true specialist will confidently explain the cable gauge they will use and why it’s right for the amperage and distance from the starter battery. They should also detail their experience with your specific base vehicle, as a Transit's wiring differs from a Ducato's. A major red flag is a one-size-fits-all approach or suggesting a simple relay for any van made after 2015. A proper DC-DC charger installation typically takes four to eight hours, reflecting the care required to run cables safely and make secure, vibration-proof connections.

Expect to invest between £600 and £1,500 for a professionally fitted DC-DC charging system; the final cost depends on the charger's power and installation complexity. This buys certified expertise and a reliable power foundation for your entire build. Finding the right expert is often the hardest part. CamperBrain simplifies the search by connecting you with vetted installers who specialize in off-grid electrical systems. The platform allows you to review past work, read detailed customer feedback, and compare specialists with proven experience on your type of project.

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Frequently Asked Questions

What is Campervan Split Charging?

Think of it as a smart way to top up your leisure battery while you drive. A split charge system connects your starter battery to your leisure battery, directing power from the engine's alternator to your living space batteries once the van's own battery is full. This means you arrive at your destination with a charged-up system. Modern systems almost always use a DC-DC charger, which intelligently manages the voltage for different battery types. This is especially important on newer Euro 5 and Euro 6 vans that have smart alternators, ensuring a safe and complete charge every time you're on the move.

How much does installing Campervan Split Charging cost?

The price for a professionally fitted split charge system can vary significantly. For a basic setup in a simple van, you might look at £800. For more complex installations with high-amperage DC-DC chargers, heavy-duty cabling, and integration into a larger electrical system, the cost can climb towards £2,500. The final price depends on the charger's power (e.g., 30A vs 60A), the length and gauge of the required cables, and the labour involved in routing everything neatly and safely. It's a foundational part of your electrical setup, so the investment reflects its importance.

How long does a Split Charging installation take?

A professional installation usually takes one to two full days. It's not just a quick wiring job. A good installer will carefully route heavy-gauge cables from the engine bay to your leisure battery location, which often involves removing trim and drilling through bulkheads. They also need to fuse the system correctly at both ends and configure the DC-DC charger for your specific battery type, like AGM or lithium. If the system is part of a complete electrical first-fix in a larger conversion build, it will be integrated into a process that might take three or four days.

Can I install a Campervan Split Charging system myself?

You absolutely can, but this is a job that demands respect. It involves high-current 12V electrics, which can be a fire hazard if done incorrectly. You must be confident in selecting the right cable gauges, crimping terminals securely, and installing appropriate fuses. For most builders, the peace of mind from a professional, certified installation is worth the cost. If your wiring fails and causes a fire, your insurance may not cover it. A professional sign-off provides both safety and security, which is why many people leave this critical job to the experts.

What vans is Campervan Split Charging suitable for?

Virtually any panel van can be fitted with a split charge system. It’s a standard feature in most Transit, Sprinter, Ducato, and Crafter conversions. The key consideration is the van's age and engine type. Newer vans with Euro 5 and Euro 6 engines have 'smart' alternators that vary their voltage. These absolutely require a modern DC-DC charger to function correctly; an old-school Voltage Sensitive Relay (VSR) won't work reliably on these vehicles. A good conversion company will know exactly what system your specific base vehicle needs for safe and efficient charging.

What are the benefits of a good Split Charging system?

The main benefit is freedom. You can drive for a few hours and arrive at your campsite with fully charged leisure batteries, without needing an electric hook-up. This is essential for off-grid adventures. A modern DC-DC charger also protects both your starter and leisure batteries by providing a multi-stage charging profile, which extends their lifespan. Crucially, it ensures your starter battery is never drained by your living appliances, so you'll always be able to start the engine. In practice, it turns wasted energy from driving into usable power for your travels.

How do I find a Campervan Split Charging specialist?

Finding a reliable installer is key to a safe electrical system. You can use a directory like CamperBrain to get quotes to filter for the 20+ UK companies that specialise in electrical systems. Look through their past work and see if they showcase neat, well-organised wiring. Reading reviews from previous customers gives you a good sense of their professionalism and attention to detail. Any reputable converter will be happy to talk you through the components they use, like Victron or Renogy, and explain why they've chosen them for your specific build and power needs.

What should I look for in a Split Charging provider?

Look for evidence of high-quality work. A good provider will talk about using correctly sized cables, high-quality crimps, and appropriate fusing. Ask to see photos of their wiring looms; they should be neat, secured, and protected with conduit where necessary. They should also be able to explain exactly why they are recommending a specific size of DC-DC charger for your battery bank and alternator. A great installer isn't just connecting wires; they are designing a safe, efficient, and reliable power system that is built to last the life of your van.

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Expert Insights

"Forget old VSR split relays. For any van with a Euro 5 or 6 engine, a DC-DC charger is essential to properly power your leisure battery from the vehicle's smart alternator."

"Most builders should choose a 30A to 60A DC-DC charger. In practice, this size provides a rapid charge for lithium batteries without overloading the stock alternator on popular platforms like the Transit or Sprinter."

"The biggest installation mistake is undersized wiring. Using a cable that's too thin for a 50A charger creates a serious fire hazard and will dramatically reduce the actual charge reaching your batteries."

"A professionally installed DC-DC system typically runs £700 to £1,800. This investment isn't just for the charger; it ensures your entire leisure battery bank is protected and charges correctly for years of use."

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Campervan Split Charging Specialists

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