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Victron Energy MultiPlus-II 48/3000/35-32 Inverter Charger
Next-generation 48V inverter charger 3000VA output, integrated solar feed-in, and full remote monitoring built in
The Victron Energy MultiPlus-II 48/3000/35-32 (PMP482305010) is a professional-grade 48V inverter and battery charger from Victron's next-generation MultiPlus-II range a significant step up from the MultiPlus C series in capability, integration, and system management. Delivering 2400W continuous inverter output at 25°C (2200W at 40°C), a 35A battery charger, and a 5500W peak power rating, it handles serious sustained loads in off-grid, grid-interactive, and backup power applications across Australia.
Where the MultiPlus-II range distinguishes itself from its predecessors is in depth of integration. It includes a battery voltage and temperature sensor as standard, supports AC feed-in from connected solar or other sources up to 2500VA, and is designed from the ground up to work within Victron's full GX ecosystem offering genuine remote monitoring, control, and configuration via the free VRM portal from anywhere in the world. The 48V platform makes it the natural choice for larger off-grid solar systems, commercial backup installations, and any build where system efficiency, cable sizing, and battery bank voltage all point toward 48V as the foundation. Like all MultiPlus models, it transfers to battery-backed inverter output in under 20 milliseconds delivering true UPS performance for any connected load.
Important: This product must be installed by a licensed electrician. It involves mains AC voltages and connection to shore power, generator, or grid supply.
Key Specifications
- DC input voltage range: 38–66V (48V nominal)
- Inverter output: 230VAC ±2%, 50Hz ±0.1%
- Continuous inverter output at 25°C: 3000VA / 2400W
- Continuous inverter output at 40°C: 2200W
- Continuous inverter output at 65°C: 1700W
- Maximum apparent feed-in power: 2500VA
- Peak inverter power: 5500W
- Maximum inverter efficiency: 95%
- Zero load power (standard / AES mode / Search mode): 11W / 7W / 2W
- Charger AC input voltage range: 187–265VAC
- Charger AC input frequency: 45–65Hz
- Absorption charge voltage: 57.6V DC
- Float charge voltage: 55.2V DC
- Storage mode voltage: 52.8V DC
- Maximum battery charge current: 35A
- Starter battery charge current: Not applicable
- Battery temperature and voltage sensor: Included
- Transfer time (grid to inverter): less than 20 milliseconds
Features & Benefits
- 3000VA / 2400W continuous 5500W peak: Handles the sustained output demands of a serious off-grid or backup installation: induction cooktops, air conditioners, power tools, water pumps, and multiple simultaneous loads. The 5500W peak rating comfortably manages motor and compressor start-up inrush that would trip a lesser unit.
- 48V platform efficiency and scalability: A 48V battery bank operates at a quarter of the input current of an equivalent 12V system at the same power level. Smaller cable cross-sections, lower resistive losses, and greater compatibility with larger battery banks and high-output solar charge controllers make 48V the preferred architecture for serious off-grid and commercial installations. The MultiPlus-II 48V range is the cornerstone of most Victron-based large-scale systems.
- AC feed-in support up to 2500VA: Unlike the MultiPlus C series, the MultiPlus-II supports AC feed-in from grid-tie inverters and other AC sources up to 2500VA. This enables self-consumption and grid-export configurations in grid-interactive solar systems a key capability for installations moving beyond pure off-grid operation.
- Battery voltage and temperature sensor included: Integrated sensing not an optional accessory allows the MultiPlus-II to monitor battery state and adjust charge voltage automatically for temperature. This protects battery health in Australian summer conditions and cold overnight temperatures without manual intervention, and feeds accurate data to the Victron GX ecosystem.
- True UPS under 20ms transfer: When grid, shore, or generator power is lost, the MultiPlus-II transfers to battery-backed inverter output in under 20 milliseconds. Computers, medical devices, refrigeration controllers, SCADA systems, and sensitive electronics all continue without disruption essential for commercial sites, remote stations, and liveaboards where an outage carries real consequences.
- PowerAssist peak power boosting: When loads exceed available shore or generator capacity, the MultiPlus-II draws from the battery to bridge the shortfall instantly. Once demand drops, charging resumes. A smaller, lighter generator runs loads it couldn't supply alone reducing generator size, fuel consumption, and noise for mobile and remote installations.
- PowerControl intelligent input management: Set a maximum AC input current and the MultiPlus-II manages charging dynamically against all running loads preventing generator or shore supply overload automatically, without manual adjustment, regardless of how loads change throughout the day.
- Full VRM remote monitoring and control: The MultiPlus-II is designed for the Victron GX ecosystem from the ground up. With a compatible Color Control GX or Cerbo GX, it can be monitored, controlled, and reconfigured remotely from anywhere in the world via the free VRM portal on a phone, tablet, laptop, or PC. Geofencing, system scheduling, and full parameter access are available without a site visit.
- Parallel operation up to 6 units: Scale output by paralleling up to 6 MultiPlus-II units for higher inverter and charging capacity. Three-phase and split-phase configurations are supported where applicable check the Victron datasheet for model-specific paralleling capabilities.
- 95% maximum efficiency: Higher peak efficiency than the MultiPlus C range (93–94%), reducing energy losses and heat generation at the inverter stage meaningful over a full season of daily cycling in an off-grid system.
- Search mode standby 2W: At just 2W in Search mode, standby losses are minimal for an always-on installation. AES mode holds at 7W for a balance between response time and efficiency. Both modes extend battery runtime meaningfully in lightly loaded conditions.
Technical Specs
| Specification | Detail |
|---|---|
| SKU | PMP482305010 |
| Brand | Victron Energy |
| Model | MultiPlus-II 48/3000/35-32 |
| DC Input Voltage Range | 38–66V DC |
| Nominal Battery Voltage | 48V |
| Inverter Output Voltage | 230VAC ±2% |
| Inverter Output Frequency | 50Hz ±0.1% |
| Continuous Output Power (25°C) | 3000VA / 2400W |
| Continuous Output Power (40°C) | 2200W |
| Continuous Output Power (65°C) | 1700W |
| Maximum Apparent Feed-In Power | 2500VA |
| Peak Output Power | 5500W |
| Maximum Inverter Efficiency | 95% |
| Zero Load Power (Standard) | 11W |
| Zero Load Power (AES Mode) | 7W |
| Zero Load Power (Search Mode) | 2W |
| Transfer Time (Grid to Inverter) | <20ms |
| Charger AC Input Voltage Range | 187–265VAC |
| Charger AC Input Frequency | 45–65Hz |
| Absorption Charge Voltage | 57.6V DC |
| Float Charge Voltage | 55.2V DC |
| Storage Mode Voltage | 52.8V DC |
| Maximum Battery Charge Current | 35A |
| Starter Battery Charge Current | Not applicable |
| Battery Temp & Voltage Sensor | Included |
| Parallel Operation | Up to 6 units |
| Three Phase / Split Phase | Supported (check datasheet for model specifics) |
| Installation Requirement | Licensed electrician required |
Compatible With
- 48V LiFePO4 and lead-acid battery banks
- Victron SmartSolar MPPT charge controllers (48V off-grid and grid-interactive systems)
- Victron Cerbo GX and Color Control GX (system monitoring, VRM portal access, and remote control)
- Victron BMV-712 and Smart Shunt battery monitors
- Victron Lynx Smart BMS and Lynx Distributor (for 48V LiFePO4 integration)
- Victron Lynx Power In and Lynx Ion busbars (system distribution)
- Victron VRM portal (free remote monitoring, data logging, and configuration)
- Victron GX Touch 50/70 displays
- Victron Energy Meter (grid feed-in metering for self-consumption systems)
- Parallel arrays of up to 6 matched MultiPlus-II units
- Grid-tie inverters and AC-coupled solar systems (feed-in up to 2500VA)
Frequently Asked Questions
How does the MultiPlus-II differ from the MultiPlus C range?
The MultiPlus-II is Victron's next-generation platform, offering higher peak efficiency (95% vs 93–94%), AC feed-in support up to 2500VA, an integrated battery voltage and temperature sensor as standard, and deeper integration with the Victron GX ecosystem for full remote monitoring and control via the VRM portal. The MultiPlus C range does not support AC feed-in.
Why choose a 48V system over 12V or 24V for a large off-grid installation?
At 48V, the input current for equivalent power is a quarter of that at 12V meaning significantly smaller cable cross-sections, lower resistive losses, and less heat generation across the whole system. For installations above 2kW, 48V is the standard architecture recommended by Victron and most professional off-grid system designers.
Can the MultiPlus-II feed solar energy back into the grid or support self-consumption?
Yes. The MultiPlus-II supports AC feed-in up to 2500VA, enabling grid-interactive self-consumption configurations when combined with compatible grid-tie inverters and Victron GX devices. Loss-of-mains detection is available for compliant grid-tie operation confirm local grid connection requirements with your licensed electrician.
Can I monitor and control this unit remotely without being on site?
Yes. With a compatible Victron GX device (Cerbo GX or Color Control GX), the MultiPlus-II connects to the free Victron VRM portal for full remote monitoring, control, and configuration from anywhere in the world via phone, tablet, or computer.
Does this product require a licensed electrician for installation?
Yes. The MultiPlus-II 48/3000/35-32 connects to mains AC voltages shore power, generator, or grid supply and must be installed by a licensed electrician in accordance with Australian electrical standards. Do not attempt self-installation.
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