Victron Quattro II 24V/3000/70 120VAC

Victron MultiPlus-II – A versatile hybrid inverter for off-Grid and Backup Systems

Looking for a powerful, reliable, and UL-certified inverter/charger for your solar or backup power system? The Victron MultiPlus-II 48V 3kVA 120V Inverter with 35A charger is the ultimate solution for demanding residential and commercial applications. Built by Victron Energy—an industry leader in power electronics—this advanced all-in-one inverter/charger combines high performance, smart features, and exceptional build quality.

What is the Victron MultiPlus-II?

The Victron MultiPlus-II is a next-generation inverter/charger that integrates a pure sine wave inverter, a sophisticated battery charger, and an ultra-fast transfer switch—all in one compact unit. Designed to deliver seamless backup power and efficient off-grid operation, the MultiPlus-II supports both solar and generator inputs and can be easily integrated with smart energy systems and lithium battery technologies.

This specific model, the Victron MultiPlus-II 48V 3kVA 120V, is UL1741 certified, making it compliant with North American safety standards for grid-connected and standalone power systems.

Key Features of the Victron MultiPlus-II 3kVA 48V UL1741

• UL1741 Certified: Meets stringent North American compliance requirements, including anti-islanding protection and safety protocols for grid-interactive installations.

• 48V DC Input: Ideal for large off-grid battery banks and high-efficiency lithium battery setups.

• 3kVA / 2400W Continuous Power Output: Delivers consistent and clean AC power to your home or business.

• 120V Output: Perfect for standard North American appliances and loads.

• 35A Advanced Charger: Optimized for fast and intelligent battery charging, with adaptive charging profiles for various battery chemistries including LiFePO₄, AGM, and lead-acid.

• PowerAssist Technology: Automatically boosts the output from generators or shore power when demand temporarily exceeds the available current.

• Seamless Transfer Switch: Switches between power sources in under 20 milliseconds—ensuring uninterrupted operation of sensitive electronics.

• Remote Monitoring & Control: Compatible with Victron VRM Portal, GX devices, and VictronConnect App for complete remote visibility and system control via smartphone, tablet, or desktop.

• Parallel & 3-Phase Capability: Expandable for larger systems—parallel up to 6 units or configure for 3-phase setups.

• Robust & Compact Design: Industrial-grade build quality in a space-saving enclosure, ideal for wall mounting in homes, cabins, RVs, and light commercial setups.

Applications for the Victron MultiPlus-II ?

Whether you’re setting up an off-grid solar system, adding backup power for grid outages, or building a mobile power station for RVs or work trailers, the Victron MultiPlus-II offers unmatched versatility. It’s widely used in:

• Residential solar energy systems

• Off-grid cabins and remote homes

• Backup power setups with automatic failover

• Mobile workstations and RV conversions

• Marine and boat energy systems

• Tiny homes and sustainable living projects

Its ability to interface with lithium battery management systems (BMS), integrate with solar charge controllers, and adapt to complex power environments makes it a cornerstone of modern renewable energy systems.

Why Choose Victron Energy?

With decades of engineering experience and a reputation for bulletproof reliability, Victron Energy products are trusted by professionals and DIY installers worldwide. The Victron MultiPlus-II continues that legacy, offering state-of-the-art performance backed by comprehensive technical documentation, active support communities, and seamless integration with Victron’s full ecosystem of energy products.