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Victron Multiplus 12/3000/120 Combi Inverter Charger

Regular price £1,126.77 GBP
Tax included


Care information

To help you get the most from your purchase:

  • Follow the manufacturer's care and maintenance instructions.
  • Store products clean and dry when not in use.
  • Clean with warm water and a mild detergent unless otherwise stated.
  • Avoid prolonged exposure to harsh weather when the product is not in use.
  • Regular maintenance will help extend the life of your caravan and camping equipment.

If you have any questions about installation, compatibility or maintenance, our team is happy to help.

Delivery and Shipping

🚚 Delivery & Shipping

We aim to dispatch all in-stock orders within 1–2 working days. Orders placed before 3pm are usually dispatched the same working day, although this may take up to 48 hours during busy periods.

  • Standard UK Delivery: 2–3 working days
  • Next Day Delivery: Available on selected products
  • Large, oversized or pallet items: May take 2–5 working days
  • Tracking information will be provided once your order has been dispatched.
  • All deliveries require a signature upon arrival.

Please note that oversized, overweight or hazardous items may incur additional delivery charges, which will be displayed at checkout.

If an item is temporarily out of stock, we'll notify you and dispatch it as soon as it becomes available.

Need delivery outside the UK or have a special delivery request? Contact our customer support team for a personalised shipping quote.

Returns & Warranty

We offer a 30-day returns policy on unused items in their original packaging. If your item develops a fault, we'll work with the manufacturer to resolve it quickly. Please see our Returns Policy for full details.

Need Help?

Not sure if this product is compatible with your caravan, motorhome or awning? Contact our team before ordering and we'll happily check compatibility for you.

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Everything you need for your caravan, campervan and motorhome, backed by quality products, fast UK delivery and friendly expert support.

The Victron MultiPlus 12/3000/120-16 is a high-performance inverter charger that combines a powerful pure sine wave inverter, advanced 120A battery charger, and ultra-fast 16A transfer switch into a single compact unit. Designed for demanding motorhome, marine, off-grid, and mobile power applications, it delivers reliable 230V AC power from a 12V battery bank while providing intelligent battery charging and advanced energy management capabilities.

Built on Victron's proven MultiPlus platform, this model delivers 3000VA of inverter capacity and can power a wide range of appliances, tools, and sensitive electronic equipment. The integrated PowerAssist feature automatically supplements limited shore power or generator supplies with battery power when loads exceed available AC input, preventing overloads and maximising available energy.

The MultiPlus also functions as a high-speed UPS (Uninterruptible Power Supply), automatically switching to inverter mode in less than 20 milliseconds during mains failures, ensuring uninterrupted operation of connected equipment. Through the VE.Bus communication interface, the system can be integrated with Victron GX devices, remote monitoring platforms, and advanced energy management systems.

Key Features

  • Pure sine wave inverter and battery charger in one unit
  • 3000VA inverter capacity
  • 120A adaptive battery charger
  • 16A automatic transfer switch
  • PowerAssist technology
  • Ultra-fast UPS functionality
  • VE.Bus communication interface
  • Adaptive multi-stage charging algorithm
  • Compatible with AGM, Gel, Flooded and Lithium batteries
  • Parallel operation capability
  • Three-phase operation support
  • Remote monitoring compatibility
  • High surge power capability
  • Professional-grade marine and off-grid solution
  • Backed by Victron's 5-year warranty

Technical Specifications

Specification Value
Manufacturer Victron Energy
Model MultiPlus 12/3000/120-16
Part Number PMP122300001
Battery Voltage 12V DC
Inverter Rating 3000VA
Continuous Output Power 2400W
Peak Power Output 6000W
Output Voltage 230V AC
Output Waveform Pure Sine Wave
Battery Charger Output 120A
Starter Battery Charger 4A
Transfer Switch Rating 16A
Maximum Efficiency Up to 93%
Communication Interface VE.Bus
Input Voltage Range 9.5 – 17V DC
Parallel Operation Up to 6 Units
Three-Phase Operation Supported
Protection Rating IP21
Dimensions (H × W × D) 362 × 258 × 218mm
Weight Approx. 18kg
Operating Temperature -40°C to +65°C
Warranty 5 Years

Advanced Features

PowerAssist Technology

PowerAssist automatically supplements limited shore power or generator capacity with energy from the battery bank whenever demand exceeds available AC input. This prevents overloads and allows high-power appliances to operate without tripping breakers.

UPS Functionality

The MultiPlus switches seamlessly from mains power to inverter operation in less than 20 milliseconds, ensuring uninterrupted power for computers, communications equipment, entertainment systems, and other sensitive electronics.

Adaptive Battery Charging

The intelligent charging system automatically adjusts charging parameters according to battery condition and usage patterns, helping to maximise battery life and charging efficiency.

Expandable System Design

Multiple MultiPlus units can be connected in parallel to increase power output or configured in three-phase systems for larger off-grid and commercial installations.

Protection Features

  • Overload protection
  • Short-circuit protection
  • Over-temperature protection
  • Low battery shutdown
  • High battery voltage protection
  • Automatic restart after fault conditions
  • Intelligent charger protection algorithms
  • AC input overload prevention

Ideal Applications

  • Motorhomes and campervans
  • Caravans
  • Marine and yacht electrical systems
  • Off-grid homes and cabins
  • Solar battery storage systems
  • Backup power systems
  • Mobile workshops
  • Commercial vehicles
  • Telecommunications installations

Why Choose the MultiPlus 12/3000/120-16?

The Victron MultiPlus 12/3000/120-16 is one of the most popular inverter chargers in the Victron range, offering an excellent balance of inverter power, charging performance, and advanced energy management features. With a powerful 2400W continuous output, 120A adaptive battery charger, PowerAssist functionality, and seamless UPS operation, it provides a complete power solution for demanding mobile and off-grid applications. Its proven reliability, expandability, and integration with the wider Victron ecosystem make it a trusted choice for professional installers and serious off-grid users alike.

Payment & Security

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