The Victron MultiPlus-II 3kVA 12V Inverter/Charger is an advanced power solution that integrates a pure sine wave inverter, a highly efficient 120A adaptive battery charger, and an ultra-fast AC transfer switch. This versatile unit is designed for 12V battery systems and provides reliable, high-quality AC power for off-grid, solar, RV, marine, and backup applications. With its PowerAssist and PowerControl technologies, the MultiPlus-II manages energy efficiently, preventing overloads and optimizing power distribution. Supporting a wide range of battery types—including lithium, AGM, gel, and flooded—the MultiPlus-II also offers scalability through parallel and three-phase operation for larger installations.
Key Features
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Pure Sine Wave Inverter: Delivers stable, high-quality AC power for sensitive electronics
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120A Adaptive Battery Charger: Features a four-stage charging process for optimal battery health
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Ultra-fast AC Transfer (<20 ms): Seamless power switching between grid, generator, or battery
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PowerAssist & PowerControl: Intelligent load management to prevent overloads and ensure efficient energy use
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Dual-Bank Charging: Charges two battery systems simultaneously for added flexibility
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Battery Compatibility: Supports lithium, AGM, gel, and flooded batteries
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Scalable System: Parallel and three-phase operation for larger setups
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Remote Monitoring: Accessible through VE.Bus and VRM portal for easy control and diagnostics
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Compact & Efficient: Rugged, space-saving design for durability and long-term performance
Technical Data Table
| Specification | Value / Range |
|---|---|
| Nominal output power | 3000 VA |
| Continuous output power | ~2400 W |
| Input (DC) voltage | 12 V |
| Maximum charge current | 120 A |
| AC input voltage range | 187 – 265 V AC |
| AC input frequency | 45 – 65 Hz |
| Efficiency (inverter) | ~92 – 95 % |
| Transfer switch time | < 20 ms |
| Supported battery types | Lithium, AGM, Gel, Flooded |
| Peak power capability | ~6000 W (short duration) |
| Operating temperature | –20 °C to +50 °C |
| Remote interface | VE.Bus / VRM |
| Scalability | Parallel & 3-phase capable |
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