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The hybrid inverter MultiPlus-II 48/8000/110-100 — is a flagship, heavy-duty, and intelligent new generation inverter-charger. In a single compact housing, it combines a powerful 8000 VA (6400 W) inverter, a high-performance 48 V 110 A charger, an automatic transfer switch for 100 A, as well as full functionality for working with modern intelligent energy management systems (ESS).
This model is an ideal and uncompromising choice for building large solar, backup, and autonomous power plants, where the main requirements are the highest reliability, industrial scalability, and intelligent management of large energy flows.
Key advantages of the MultiPlus-II inverter
In the absolute majority of technical parameters listed below, this model confidently outperforms competing solutions from European brands and is an order of magnitude superior to budget Asian analogues.
- Power: nominal – 8000 VA / 6400 W, peak – an impressive 15000 W.
- True 230 V ±2% sine wave – a guarantee of flawless and absolutely safe operation of all connected sensitive electronics.
- Maximum efficiency up to 95% – one of the best indicators on the market, providing efficient energy conversion with minimal heat loss.
- Ultra-low standby power consumption – only 3–29 W depending on the activated mode (AES/Search), which significantly saves the capacity of the battery bank.
- Wide input voltage range (38–66 V) – full and seamless hardware compatibility with modern LiFePO₄ 48 V batteries. Easily configured for any existing types of 48 V lead-acid and lithium batteries.
- Thermal resistance: operating range from –40°C to +65°C. Intelligent active cooling: the fan activates only when necessary. The inverter is highly reliable when operated in transport with sharp temperature drops, and also allows installation in outdoor communication cabinets, unheated utility rooms, and attics.
- Universal compatibility with generators – gasoline, diesel, gas, and inverter units. The device has the widest arsenal of settings for perfectly coordinating joint work with any generator. Automatic control of starting and stopping the generator station based on the conditions of the battery state of charge is supported.
- Two independent AC outputs – for separate connection of critical and secondary loads. This is a fundamentally important and demanded function when integrating the MultiPlus-II 48/8000/110-100 inverter into a powerful solar power plant.
- Additional options for advanced monitoring:
- Interface MK3-USB – detailed system configuration via PC.
- VE.Bus Smart Dongle – comfortable Bluetooth monitoring from a smartphone.
- BMV-712/SmartShunt – precision control over the state and capacity of batteries.
- Cerbo GX / Ekrano GX – total system control and integration into the VRM cloud portal.
- VRM cloud platform – allows you to keep your entire hybrid energy system under constant online control. Set up personalized notifications about the disconnection of the city grid, a decrease in battery charge to a critical level, auto-start, or stop of the generator. Any of these events can serve as a trigger for PUSH notifications and automation of operating algorithms.
Technological features
Separation of critical and non-critical loads
- The first output – uninterruptible: continuously supplies power to all critical loads even with a complete blackout of the external grid. The second output – auxiliary: active exclusively in the presence of an external energy source (city grid or running generator). This architectural solution allows extremely rational use of battery capacity, extending the autonomous operation time of key equipment.
The difference between the MultiPlus-II series and the classic MultiPlus
- MultiPlus-II has support for connecting an external current transformer (up to 100 A) for more precise operation of PowerAssist/PowerControl technologies and the finest possible tuning of the ESS system logic. Classic MultiPlus models, in turn, have an even greater safety margin of the power section and increased overload capacity at peak switch-ons.
Three-phase and parallel configurations
- The ability to scale by combining up to 6 devices in parallel or 3 inverters per phase – a flawless and reliable solution for large private homes, business centers, hotels, and agro-industrial complexes.
PowerControl / PowerAssist
- PowerControl – intelligently limits the current consumed from the generator or city grid, completely preventing the risk of their overload.
- PowerAssist — in moments of ultra-high peak energy consumption, instantly mixes the missing power from the battery bank into the grid.
Integration with solar power plants
- MultiPlus-II perfectly integrates with MPPT charge controllers and grid PV inverters, allowing you to design highly efficient hybrid and fully off-grid energy systems.
Remote control and online monitoring
In combination with the Cerbo GX system controller and the VRM cloud portal, you get total control over:
- SOC (state of charge) of the battery array
- Consumption parameters of all connected load lines
- Charging process and generation volumes of the PV station
- Remote updating of firmware and fine adjustment of system settings
Victron ESS (Energy Saving System) – intelligent energy management of a new level
The advanced Victron ESS technology allows you to maximize the efficiency of solar energy utilization and radically reduce dependence on the external power grid:
- Self-consumption priority – priority consumption of your own, free generation to minimize the payment of electricity bills.
- Automatic backup – flawless and instant provision of energy to critical consumers during sudden power grid outages.
- Flexible charge and discharge logic – intelligent adaptation of algorithms to day/night tariffs, set schedules, and the availability of a generator.
- Cooperation with grid inverters – seamless joint operation with PV inverters from leading global brands: Fronius, Solis, SMA, and others.
- Full visualization in VRM – comprehensive and clear analytics, system event log, and operational e-mail alerts.
The main mission of ESS is significant savings of financial resources for electricity payments and providing complete energy security of facilities from regular blackouts. The system is customized to individual schedules and scenarios of each specific facility.
LiFePO₄ support with data exchange – a guarantee of safety and accuracy
The ultra-powerful MultiPlus-II 48/8000/110-100 inverter is fully hardware-compatible with modern industrial lithium batteries, including intelligent LiFePO₄ with BMS via VE.Bus and/or VE.Can communication ports. Digital data exchange with the battery makes it possible to:
- Measure the SOC (real state of charge of the battery bank) with precision accuracy
- Reliably prevent the risk of overcharging or unacceptably deep discharge, which eliminates physical damage to expensive batteries
- Automatically and dynamically limit the charging/discharging current or disconnect secondary loads when approaching critical values
- Finely synchronize the charging algorithm strictly in accordance with the recommendations of the specific battery manufacturer
- Record all warnings and events in the cloud system log for their subsequent deep analysis
- Ensure flawless compliance with the conditions to maintain the factory warranty throughout the entire estimated service life of the batteries
All of the above is critically important for ensuring 100% fire safety, durability, and absolute stability of operation of a large battery bank in powerful power supply systems.
Use cases
- ESS for large solar power plants – 100% utilization of your own generation and return on investment.
- Large private estates and mansions – with an ultra-reliable backup function, large-scale integration of solar panels, and operation at night tariffs.
- Commercial facilities: shops, supermarkets, service stations, restaurants – uninterrupted energy for all critical technological equipment.
- Industrial and mobile complexes – full energy independence in the absence of sufficient limits of the external grid.
- Large yachts and marine vessels – reliable and powerful power supply for onboard systems, navigation equipment, and pumping installations.
- Server rooms, data centers, IT infrastructure – guaranteed uninterrupted power supply to server racks 24/7.
Communication and monitoring interfaces
- VE.Bus – high-speed port for parallel and three-phase switching of multiple devices, as well as for connecting them to system controllers (Cerbo GX, Ekrano GX).
- VE.Bus Smart Dongle – wireless Bluetooth monitoring module for live broadcasting of battery temperature and current voltage data to a smartphone.
- MK3-USB – interface for deep professional configuration of inverter parameters via PC in the VEConfigure environment.
- I/O inputs/outputs – programmable power relay for controlling the automatic start of a diesel generator set or for switching external automation.