Victron MultiPlus 800VA 48V Inverter Charger is a compact, all-in-one solution that combines a pure sine wave inverter, smart adaptive charger, and ultra-fast AC transfer switch. Designed for 48 V battery systems, it provides uninterrupted power by automatically switching between grid/shore and battery input (in under 20 ms). Its PowerAssist and PowerControl features help avoid overloads and intelligently supplement weak mains with battery power. Ideal for solar, off-grid, marine, RV, or backup installations, it supports lithium, AGM, gel, and flooded batteries and allows parallel or three-phase expansion.
Key Features
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Pure sine wave AC output for sensitive electronics
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Integrated adaptive 4-stage battery charger
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PowerAssist & PowerControl for dynamic load support
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Ultra-fast AC transfer (< 20 ms)
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Supports lithium, AGM, gel, and flooded batteries
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Parallel & three-phase capable (multiple units)
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Remote monitoring and control (VE.Bus, VRM, GX)
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Compact, efficient, and durable design
Technical Data Table
| Specification | Value / Range |
|---|---|
| Nominal output power | 800 VA |
| Continuous output (approx.) | ~ 650 W (at 25 °C) |
| Input (DC) voltage | 48 V (DC system voltage) |
| Battery charge current | 9 A (typical for this model) |
| AC input voltage range | 187 – 265 V AC |
| AC input frequency | 45 – 65 Hz |
| Efficiency (inverter) | Up to ~ 94 % |
| Transfer switch time | < 20 ms |
| Supported battery types | Lithium, AGM, Gel, Flooded |
| Operating temperature | –20 °C to +50 °C (or higher with derating) |
| Remote interface | VE.Bus / VRM / GX devices |
| Scalability | Parallel & three-phase operation |
| Peak power capability | ~ 1,600 W (for short durations) |
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