Victron MultiPlus-II 3kVA 48V GX Inverter/Charger is a powerful, all-in-one solution for off-grid, solar, RV, marine, and backup power systems. Combining a true sine wave inverter, a 120A adaptive battery charger, and an ultra-fast AC transfer switch, it ensures stable, high-quality AC power for your sensitive electronics. The addition of GX functionality enables remote monitoring and control via the Victron VRM portal, giving users complete visibility over their power system from anywhere. The MultiPlus-II 3kVA 48V also features PowerAssist and PowerControl technologies, intelligently managing energy, preventing overloads, and optimizing efficiency. It supports a range of battery types—including lithium, AGM, gel, and flooded—and offers scalability through parallel and three-phase configurations for larger systems.
Key Features
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True Sine Wave Inverter: Delivers high-quality AC output suitable for sensitive electronics
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120A Adaptive Battery Charger: Four-stage charging for optimal battery life and performance
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Ultra-fast AC Transfer (<20 ms): Ensures seamless switching between grid, generator, or battery power
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PowerAssist & PowerControl: Prevents overloads and optimizes energy use for maximum efficiency
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GX Functionality: Allows for remote monitoring and control via the Victron VRM portal
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Dual-Bank Charging: Charges two battery banks simultaneously for added flexibility
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Battery Compatibility: Works with lithium, AGM, gel, and flooded batteries
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Scalable System: Can be expanded with parallel and three-phase operation for larger setups
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Compact & Robust Design: Durable and efficient for long-term, reliable performance
Technical Data Table
| Specification | Value / Range |
|---|---|
| Nominal output power | 3000 VA |
| Continuous output power | ~2400 W |
| Input (DC) voltage | 48 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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