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The MultiPlus-II 12/4k/160-32 hybrid inverter — is a powerful and intelligent inverter-charger that combines a 4000 VA (4000 W) inverter, a 12 V 160 A, a 32 A automatic transfer switch, and advanced functionality for working with modern energy storage systems (ESS).
This model is ideal for high-power solar systems, backup power for homes, commercial facilities, and off-grid power systems where high reliability, stable operation under heavy loads, and flexible energy flow management are required.
Key advantages of the MultiPlus-II inverter
Most of the key parameters listed below outperform competing models from European manufacturers and significantly exceed budget-friendly Asian solutions.
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Power: rated — 4000 VA / 4000 W, peak — up to 7000 W.
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True sine wave 230 V ±2% — stable operation even with sensitive electronics.
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Maximum efficiency up to 93% — high energy efficiency and minimal energy loss.
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Low power consumption in standby mode — only 4–20 W depending on the mode (AES/Search).
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Wide battery voltage range (9.5–17 V) — fully compatible with LiFePO₄ batteries and other types of 12 V batteries.
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Temperature resistance: from –40°C to +65°C, active cooling with intelligent fan control. The inverter can operate in challenging conditions—from mobile systems to unheated technical rooms.
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Compatibility with all types of generators — gasoline, diesel, inverter, and gas. The inverter allows for flexible configuration of generator interaction parameters and automates its start-up or shutdown.
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Two independent AC outputs — for connecting critical and non-critical loads, which is particularly important in backup power systems.
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Additional options:
- Interface MK3-USB – configuration via PC.
- VE.Bus Smart Dongle — Bluetooth monitoring.
- BMV-712 / SmartShunt — battery status monitoring.
- Cerbo GX / Ekrano GX – full integration with the VRM portal.
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VRM (Victron Remote Management) – remote control and real-time system analytics.
Technical Features
Separation of critical and non-critical loads
- The main output operates continuously, while the second one operates only when an external power source (grid or generator) is available. This allows the battery charge to be reserved for critical loads.
Three-phase and parallel operation
- Up to 6 units can operate in parallel to increase power. It is also possible to create three-phase systems for homes or businesses.
PowerControl / PowerAssist
- PowerControl — prevents overloading of the grid or generator.
- PowerAssist — adds power from batteries during short-term peak loads.
Working with solar systems
- The MultiPlus-II integrates easily with Victron MPPT controllers or grid-tied inverters to form powerful hybrid or off-grid power systems.
Remote control and monitoring
Using Cerbo GX and the VRM portal, you gain full control of the system:
- Battery SOC
- Current load
- Solar generation
- System history
- Remote configuration and updates
Victron ESS (Energy Storage System)
The MultiPlus-II 12/4k/160-32 inverter fully supports the ESS system, which allows for the most efficient use of solar energy:
- Self-consumption priority – use of self-generated power.
- Automatic backup – uninterrupted power supply for critical loads.
- Flexible battery charge management – adaptation to tariffs or a generator.
- Integration with grid-tied inverters – Fronius, SMA, Solis, and others.
- Full analytics in VRM – statistics, event log, notifications.
LiFePO₄ support with data exchange
The MultiPlus-II 12/4k/160-32 inverter is fully compatible with lithium batteries, including LiFePO₄ with BMS via VE.Bus or VE.Can. This provides:
- accurate SOC determination
- protection against overcharging and deep discharge
- automatic current limiting under critical conditions
- adaptation of the charging profile to the battery manufacturer’s recommendations
Use Cases
- Solar Power Plants & ESS
- Private Homes & Cottages
- Commercial facilities and manufacturing
- Mobile workshops and motorhomes
- Yachts, boats, marine systems
- Server rooms and security systems
Communication interfaces
- VE.Bus – parallel and three-phase operation, integration with GX devices.
- VE.Bus Smart Dongle – Bluetooth monitoring.
- MK3-USB – configuration via PC.
- Programmable Relay – generator control or emergency scenarios.
Service Support in Ukraine
Total-Energo LLC — official distributor and service partner of Victron Energy in Ukraine.
We offer:
- Power system design
- Equipment selection
- Installation and commissioning
- Warranty and post-warranty service