Maximise your solar harvest:
Victron MPPT solar controller installation in Somerset
MPPT solar controller upgrades from £200
Are you getting every watt your solar panels produce? We install Victron SmartSolar MPPT controllers that extract up to 30% more energy than basic PWM controllers — no extra panels needed.

Is your solar controller leaving power on the roof?
Most factory-installed campervans use basic PWM (Pulse Width Modulation) controllers. They're cheap and simple, but they waste a significant amount of the energy your solar panels are producing. If your battery isn't topping up as fast as it should, the problem might not be your panels — it's your controller.
Does this sound familiar?
- Your battery barely charges on cloudy days, even though your panels are rated for it.
- You're considering adding more solar panels, but you're not sure it will actually help.
- You have no idea how much power your panels are actually generating day to day.
- Your current controller isn't compatible with lithium batteries, limiting future upgrades.
Before you buy more panels, upgrade the controller that's wasting the power you already have.

Why MPPT is a game-changer for your solar system
Maximum Power Point Tracking (MPPT) is a smarter way to manage solar power. Unlike basic PWM controllers that simply pull panel voltage down to match the battery, an MPPT controller actively tracks the optimum power point of your solar panels and converts excess voltage into additional charge current.
The result? Up to 30% more energy harvested from the same panels — especially in UK conditions where cloud cover, low sun angles, and changing light levels are the norm. Victron's exceptionally fast tracking algorithm locks onto the optimum power point even when light intensity is constantly shifting.
Before you look for space to install more solar panels, consider upgrading your controller first. You may not need more glass on your roof — you might just need a controller capable of harvesting the power you are already generating. An MPPT upgrade is the most cost-effective way to boost your off-grid performance without a complex array re-installation.
Based in Williton, Somerset, we install Victron SmartSolar MPPT controllers for campervan and motorhome owners across the county. We'll assess your existing setup and recommend the right controller for your panel array and battery type.
Victron SmartSolar MPPT — the gold standard
- Bluetooth monitoring — Track solar yield, battery status, and charge history in real-time via the VictronConnect app.
- Universal compatibility — Fully configurable charge profiles for AGM, Gel, and Lithium batteries.
- Ultra-fast tracking — Locks onto the optimum power point instantly as light conditions change.
The essential step for lithium upgrades
If you are considering a switch to lithium now or in the future, a Victron SmartSolar MPPT is a vital upgrade.
- Lithium batteries need a specific absorption voltage and charging profile that PWM controllers cannot deliver.
- Victron MPPTs feature fully configurable lithium profiles, ensuring safe and complete charging every time.
See our lithium battery upgrade or solar panel installation pages for combined solutions. Own a caravan? See our caravan MPPT upgrade page.

Why upgrade to a Victron MPPT solar controller?
Up to 30% more solar harvest
- MPPT technology extracts significantly more energy from your existing panels compared to PWM — especially in cloudy UK conditions.
Bluetooth Monitoring
- Victron SmartSolar controllers include built-in Bluetooth. Monitor your solar yield, battery voltage, and charge history from your phone.
Lithium ready
- Fully configurable charge profiles mean your MPPT controller works perfectly with AGM, Gel, and Lithium batteries — now or in the future.
Ultra-fast power point tracking
- Victron's algorithm locks onto the optimum power point almost instantly, so you harvest more energy during passing clouds and changing light.
No extra panels needed
- An MPPT upgrade is the most cost-effective way to boost solar performance. You may not need more panels — just a better controller.
Smart voltage conversion
- MPPT steps higher panel voltage down to the perfect charging voltage, maintaining maximum current flow and efficiency.
Our 5-step MPPT controller upgrade
From identifying the right Victron MPPT to a fully configured, app-connected system.
Consultation
Tell us about your existing solar setup — panel wattage, battery type, and what you're hoping to harvest. We'll confirm whether an MPPT upgrade (and which model) is the right move for your build.
Quote
We match the right Victron SmartSolar MPPT to your panel array and battery, then send a clear, itemised quote within 48 hours — including any cable, fuse, or mounting changes — along with an estimated parts lead time.
Book the install
A deposit covers the controller and any supporting parts, and locks in your install date. Most MPPT swaps are booked in within 2–4 weeks.
Professional installation
We remove the old controller, mount the new SmartSolar unit in a sensible location, and re-wire the panel input and battery output to the correct gauge. Charge parameters are configured for your battery chemistry, then everything is tested under load — typically a same-day job at our workshop.
Demo and handover
We connect the controller to the VictronConnect app, walk you through the live solar data, and explain the new charge profile. You leave with documentation, our 12-month installation warranty, and ongoing support if anything needs tweaking later.
Stop wasting free energy from your solar panels
Upgrade to a Victron SmartSolar MPPT controller and unlock the true potential of your existing solar setup. Professional installation by Quantock Van Tech in Somerset.