Victron Energy MultiPlus-II 12V 3000VA 120A 2x120V Inverter Charger | Pure Sine Wave VE.Bus

Victron Energy MultiPlus-II 12/3000 120-50 2x120V Inverter Charger

The Victron Energy MultiPlus-II 12/3000 120-50 2x120V is a high-performance 12V pure sine wave inverter charger engineered for marine, RV, off-grid solar, residential backup, and commercial energy storage applications. Combining a 3000VA inverter, 120A adaptive battery charger, and advanced energy management into one compact unit, the MultiPlus-II delivers dependable AC power while maximizing battery performance and system efficiency.

Designed for demanding power systems, the MultiPlus-II features PowerAssist, PowerControl, built-in anti-islanding protection, dual 120V outputs, UPS functionality, and full compatibility with Victron Energy Storage Systems (ESS). It integrates seamlessly with MPPT solar charge controllers, grid-tie inverters, and Victron GX monitoring devices for complete system control.

PowerAssist & PowerControl Technology

PowerAssist intelligently supplements limited shore power or generator capacity with battery power during periods of high demand. PowerControl automatically manages battery charging to prevent overloading AC sources, ensuring reliable operation in RV, marine, and off-grid installations.

Reliable UPS Backup Power

The built-in UPS function automatically transfers connected loads to inverter power in less than 20 milliseconds whenever shore power, grid power, or generator input is interrupted. Sensitive electronics, networking equipment, and essential appliances continue operating without interruption.

Optimized for Energy Storage Systems

The MultiPlus-II serves as the central inverter charger in Victron Energy Storage Systems (ESS), supporting solar installations, battery storage, backup power, and hybrid energy systems. It integrates seamlessly with MPPT solar chargers and grid-connected PV inverters to maximize self-consumption and energy independence.

Remote Monitoring & System Control

Pair the MultiPlus-II with a compatible Victron GX device, such as the Cerbo GX, to remotely monitor and manage your complete energy system. View battery status, inverter performance, charging information, and system diagnostics from anywhere using the Victron Remote Management platform.

Key Features

• 12V pure sine wave inverter charger
• 3000VA inverter capacity
• 2400W continuous output power
• 120A adaptive battery charger
• Dual 120V AC output configuration
• PowerAssist and PowerControl technology
• Built-in anti-islanding protection
• UPS transfer time under 20 milliseconds
• Compatible with Victron ESS energy storage systems
• Supports MPPT solar chargers and grid-tie inverters
• VE.Bus communication for advanced system integration
• Remote monitoring with Victron GX devices
• Programmable relay and remote on/off control
• Supports parallel, split-phase, and three-phase system configurations

Technical Specifications

• Manufacturer: Victron Energy
• Model: MultiPlus-II 12/3000 120-50 2x120V
• Manufacturer Part Number: PMP122305100
• UPC: 8719076054337
• Battery Voltage: 12V DC
• DC Input Voltage: 9.5–17V DC
• Continuous Inverter Power: 3000VA / 2400W
• Peak Power: 5500W
• Maximum Efficiency: 93%
• Maximum Battery Charge Current: 120A
• Output Voltage: Dual 120VAC, 60Hz
• Maximum AC Input Current: 50A per leg
• Transfer Switch: 50A
• Auxiliary Output: 35A per leg
• Battery Connections: Dual M8 terminals (2x2)
• Protection Rating: IP22
• Operating Temperature: -40°C to +65°C
• Weight: 22 kg
• Dimensions: 578 x 275 x 148 mm

Ideal Applications

• Off-grid solar systems
• Residential battery backup
• Marine electrical systems
• RV and camper power systems
• Energy storage systems (ESS)
• Commercial backup power
• Generator-assisted power systems
• Hybrid renewable energy installations

The Victron Energy MultiPlus-II 12/3000 120-50 2x120V delivers intelligent power conversion, high-capacity battery charging, seamless backup power, and advanced system integration for professional solar, marine, RV, and energy storage applications.