Victron MultiPlus 3kVA 12V InverterCharger is an all-in-one power solution designed to provide efficient, high-quality energy for off-grid, solar, RV, marine, and backup power systems. Combining a pure sine wave inverter, a powerful adaptive battery charger, and an ultra-fast AC transfer switch, the MultiPlus 3kVA ensures uninterrupted, stable AC power. With integrated PowerAssist and PowerControl technologies, it prevents overloads and optimizes the use of available energy. It supports lithium, AGM, gel, and flooded batteries, and provides scalability with parallel and three-phase operation for larger systems. This inverter/charger is ideal for applications requiring high power demand and long-term reliability.
Key Features
True sine wave inverter for reliable, grid-quality AC output
120A adaptive four-stage battery charger for maximum battery life
Ultra-fast AC transfer (<20 ms) for seamless backup power
PowerAssist & PowerControl to balance loads and prevent overloads
Dual-bank battery charging support
Compatible with lithium, AGM, gel, and flooded batteries
Parallel and three-phase operation supported with multiple units
Remote monitoring via VE.Bus and VRM portal
Compact, efficient, and durable design for high-demand systems
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 |









































