Victron Energy MultiPlus-II 48/4k5 55-32 230V Inverter/Charger

The Victron Energy MultiPlus-II 48/4k5 55-32 230V is a powerful and versatile inverter/charger designed for professional and residential energy systems. Combining a 5000VA/4000W pure sine wave inverter with a sophisticated battery charger and a high-speed AC transfer switch, it delivers reliable power conversion and management for off-grid, backup, and mobile applications.

Advantages

Featuring PowerAssist technology, the MultiPlus-II prevents overload of a limited AC source by adding battery power. Its unique parallel and three-phase capability allows up to six units to be configured for higher power output or redundancy. The built-in 70A battery charger ensures fast and efficient charging, while the VE.Bus communication port enables seamless integration with Victron's monitoring and control systems.

Suitable for

• Off-grid solar systems
• Backup power for homes and businesses
• Marine and mobile installations
• Industrial and telecom applications

Key specifications

• System Voltage: 48 VDC
• Continuous Power: 5000 VA / 4000 W at 25°C
• Peak Power: 9000 W
• AC Output: 230 VAC, 50/60 Hz selectable
• Waveform: Pure Sine Wave
• Max Charge Current: 70 A
• Transfer Switch: 50 A
• Efficiency: Up to 95%
• Zero-load Power: 18 W
• Protection Rating: IP22
• Operating Temperature: -40 to +65°C
• Communication: VE.Bus
• Parallel & 3-Phase: Yes (up to 6 units)
• PowerAssist: Yes
• Auxiliary Charge Output: 4 A for 12V starter battery

Recommendations

For optimal performance, pair with Victron Energy batteries and a Color Control GX or Cerbo GX for advanced monitoring. Ensure proper ventilation and use appropriate cable sizes for high-current connections.