Victron Energy PMP122505012 MultiPlus-II 12/5000/220-50 230V | High-Efficiency Inverter Charger

The Victron Energy MultiPlus-II 12/5000/220-50 230V is a high-performance inverter charger that combines the proven features of the MultiPlus and MultiGrid in one robust device.

Ideal for off-grid, backup, and hybrid energy systems, it ensures uninterrupted, efficient, and smart power management for homes, boats, RVs, and professional installations.

With PowerAssist technology, it prevents overloads of limited AC sources, such as shore connections or generators, by intelligently combining battery and grid power. Its Energy Storage System (ESS) compatibility allows smart energy use, dynamically switching between grid, battery, and solar to maximize savings and optimize self-consumption.

Equipped with a built-in UPS function, the MultiPlus-II provides seamless AC power during outages, ensuring sensitive electronics and appliances continue running without interruption. Plus, with remote monitoring and control via GX devices and VRM portal, you can manage your energy system from anywhere in the world.

Victron Energy PMP12250501 Key Benefits & Features:

• PowerAssist Technology – Avoids generator or shore power overloads by intelligently boosting output with battery energy.
  
• ESS-Ready & Dynamic Energy Management – Optimizes solar, battery, and grid usage for maximum efficiency and cost savings.
  
• Uninterrupted AC Power (UPS Function) – Switches to inverter power in under 20 ms to protect electronics during outages.
  
• Comprehensive Country Approvals – Built-in MultiGrid features with anti-islanding protection ensure safety and compliance.
  
• Remote Monitoring & Control – Manage your system locally or worldwide via VRM app or portal from any device.
  
• External Current Sensing (Max 32A) – Enables precise self-consumption optimization for smarter energy usage.
  
• High Reliability & Professional-Grade – Perfect for off-grid homes, boats, RVs, and industrial applications.

Tech Specifications:

Inverter

• DC Input Voltage Range: 12V: 9.5–17 V  24V: 19–33 V  48V: 38–66 V
• Output Voltage: 230 VAC ± 2 %
• Frequency: 50 Hz ± 0.1 %
• Continuous Output Power: 25°C: 5000 VA / 4000 W 40°C: 3700 W  65°C: 3000 W
• Peak Power: 9000 W – handles high startup loads and surge demands.
• Maximum Efficiency: Up to 96% – reduces energy loss and extends battery life.
• Zero Load Power: 15–18 W (AES Mode: 11–12 W, Search Mode: 2–3 W)

Charger

• AC Input Voltage: 187–265 VAC
• AC Input Frequency: 45–65 Hz
• Charge Voltage (Absorption): 14.4 / 28.8 / 57.6 V
• Charge Voltage (Float): 13.8 / 27.6 / 55.2 V
• Storage Mode Voltage: 13.2 / 26.4 / 52.8 V
• Maximum Battery Charge Current: 220 / 120 / 70 A
• Battery Temperature Sensor: Yes – ensures safe, efficient charging

Connectivity & Control

• Auxiliary Output: 32 A
• External AC Current Sensor (Optional): 50 A or 100 A – optimize self-consumption and monitor loads.
• Programmable Relay: Yes – for alarms, load control, or generator auto-start.
• Protection: Comprehensive (overload, short circuit, overtemperature, incorrect voltage)
• VE.Bus Communication Port: Supports parallel and three-phase operation, remote monitoring, and full system integration.
• General Purpose Com Ports: 2x
• Remote On/Off: Yes – convenient control and automation.

Environmental & Operating Conditions

• Operating Temperature Range: -40 to +65 °C (fan-assisted cooling)
• Humidity (Non-Condensing): Max 95%
• Maximum Altitude: 2000 m – suitable for high-altitude installations

Enclosure & Build

• Material & Colour: Steel, Blue (RAL 5012) – rugged, professional design
• Protection Category: IP22 – resistant to dust and touch
• Battery Connection: M8 bolts
• 230V AC Connection: Screw terminals 13 mm² (6 AWG)

Compliance & Safety Standards

• Safety: EN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1, EN-IEC 62109-2
• EMC (Emission & Immunity): EN 55014-1 / EN 55014-2, EN-IEC 61000-3-2, EN-IEC 61000-3-3, IEC 61000-6-1 / 6-2 / 6-3

Frequently Asked Questions

• What is the Victron Energy MultiPlus-II used for?
  The MultiPlus-II is a high-performance inverter charger ideal for off-grid homes, RVs, boats, and hybrid energy systems. It ensures uninterrupted, reliable AC power and smart energy management.
• Can this inverter charger handle heavy loads?
  Yes. With 5000 VA / 4000 W continuous power and 9000 W peak power, it can handle high-startup loads from appliances, pumps, and sensitive electronics.
• What is PowerAssist and how does it work?
  PowerAssist prevents overloads of limited AC sources like shore power or generators. It intelligently combines battery and AC supply to maintain continuous power without tripping breakers.
• Is the MultiPlus-II compatible with solar and battery storage systems?
  Absolutely. It is ESS-ready, supports external AC current sensors for optimized self-consumption, and can dynamically switch between grid, battery, and solar for maximum efficiency.
• Does it have UPS functionality?
  Yes. The inverter automatically takes over in less than 20 milliseconds during a grid failure or AC disconnection, keeping sensitive electronics and appliances running without interruption.
• Can I monitor and control the MultiPlus-II remotely?
  Yes. Using a GX device (e.g., Cerbo GX) and the VRM portal or app, you can monitor and control your system locally or from anywhere in the world.
• What protections are built into the MultiPlus-II?
  It includes overload, short-circuit, overtemperature, and incorrect voltage protections, ensuring safe and reliable operation in all conditions.
• What are the installation requirements?
  The unit comes with M8 battery connections and screw terminal AC connections, and supports fan-assisted cooling for operation between -40°C to +65°C.