Victron Multiplus-II Inverter/Charger 230V

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Victron Multiplus-II 3000VA-10000VA:

The MultiPlus-II combines the functions of the MultiPlus and the MultiGrid. It has all the features of the MultiPlus, plus an external current transformer option to implement PowerControl and PowerAssist and to optimize self-consumption with external current sensing (max. 32A). It also has all the features of the MultiGrid with built-in anti-islanding and an increasingly long list of country approvals.

The MultiPlus-II will prevent overload of a limited AC source, such as a generator or shore power connection. First, battery charging will automatically be reduced when otherwise an overload would occur. The second level will boost the output of a generator or shore side supply with power taken from the battery. 
The MultiPlus-II is the key component in a Victron ESS system, providing the flexibility to combine with MPPT Solar Chargers or Grid-tie PV Inverters. For examples and more detailed information see the ESS (Energy Storage System) manual. 
In the event of a grid failure, or when shore or generator power is disconnected, the inverter within the Multi is automatically activated and takes over the supply to the connected loads. This happens so fast (less than 20 milliseconds) that computers and other electronic equipment will continue to operate without disruption. 
Monitor and control your Multi and system or systems' locally (LAN) or remotely via the internet from anywhere in the world, using the free VRM app and free VRM portal website. Access can be from a phone, tablet, laptop or PC for multiple operating systems. There is no end to the level of control, via the required Color Control GX or Venus GX, from adjusting your Multi to auto starting a back generator and more... 

Note: for a short period of time this product was called MultiGrid-II.


A MultiPlus, plus ESS (Energy Storage System) functionality- The MultiPlus-II is a multifunctional inverter/charger with all the features of the MultiPlus, plus an external current sensor option which extends the PowerControl and PowerAssist function to 50A resp. 100A. The MultiPlus-II is ideally suited for professional marine, yachting, vehicle and land based off-grid applications. It also has built-in anti-islanding functionality, and an increasingly long list of country approvals for ESS application. Several system configurations are possible. For more detailed information see the ESS Design and configuration manual.

PowerControl and PowerAssist - Boosting the capacity of the grid or a generator- A maximum grid or generator current can be set. The MultiPlus-II will then take account of other AC loads and use whatever is extra for battery charging, thus preventing the generator or grid from being overloaded (PowerControl function). PowerAssist takes the principle of PowerControl to a further dimension. Where peak power is so often required only for a limited period, the MultiPlus-II will compensate insufficient generator, shore or grid power with power from the battery. When the load reduces, the spare power is used to recharge the battery.

Solar energy: AC power available even during a grid failure- The MultiPlus-II can be used in off grid as well as grid connected PV and other alternative energy systems. It is compatible with both solar charger controllers and grid-tie inverters.

Two AC Outputs- The main output has no break functionality. The MultiPlus-II takes over the supply to the connected loads in the event of a grid failure or when shore/generator power is disconnected. This happens so fast (less than 20 milliseconds) that computers and other electronic equipment will continue to operate without disruption. The second output is live only when AC is available on the input of the MultiPlus-II. Loads that should not discharge the battery, like a water heater for example, can be connected to this output.

Virtually unlimited power thanks to parallel and three phase operation- Up to 6 Multis can operate in parallel to achieve higher power output. Six 48/5000/70 units, for example, will provide 25 kW / 30 kVA output power with 420 Amps charging capacity. In addition to parallel connection, three units of the same model can be configured for three phase output. But that’s not all: up to 6 sets of three units can be parallel connected for a 75 kW / 90 kVA inverter and more than 1200 Amps charging capacity.

On-site system configuring, monitoring and control- Settings can be changed in a matter of minutes with VEConfigure software (computer or laptop and MK3-USB interface needed). Several monitoring and control options are available: Color Control GX, Venus GX, Octo GX, CANvu GX, laptop, computer, Bluetooth (with the optional VE.Bus Smart dongle), Battery Monitor, Digital Multi Control Panel.

Remote configuring and monitoring- Install a Color Control GX or other GX product to connect to the internet. Operational data can be stored and displayed on our VRM (Victron Remote Management) website, free of charge. When connected to the internet, systems can be accessed remotely, and settings can be changed.

Setting up your Victron MultiPlus-II 3000VA-10000VA

Here are the steps to properly set up your Victron Multiplus-II 3000VA-10000VA. 

  1. Find a secure placement — Begin by choosing a well-ventilated location for your Victron MultiPlus-II. Ensure it's mounted securely on a flat surface, allowing for easy access when needed. Adequate airflow is essential for optimal performance.
  2. Connect the battery — Connect your battery bank to the MultiPlus-II, adhering to specified cable sizes and correct polarity. Double-check the tightness of all connections to guarantee a reliable power link.
  3. Link the AC power source — Establish a connection between the MultiPlus-II and your AC power source, whether it's the grid or a generator. Follow local electrical codes to ensure safe and compliant wiring.
  4. Activate the AC output — Connect the MultiPlus-II output to your AC distribution system. This directly links critical loads if uninterrupted power during grid outages is essential.

Find the best energy solutions products at Energy Eco

At Energy Eco, we stand proudly as the top distributor of solar, battery and electric conversion products in Australia. We cater to mobile and off-grid users, offering reliable solutions that empower your journey toward sustainable energy independence.

As a fully Australian-owned and operated business, we promise to source top-tier products from leading manufacturers, including Victron Energy, to ensure that you receive top-notch, dependable solutions for your energy needs. 

All orders are managed and dispatched swiftly from our East Coast warehouse. This strategic location allows us to deliver products promptly, ensuring you have access to the latest and most efficient energy solutions.

Choose Energy Eco to acquire cutting-edge energy products you can depend on. 


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Customer Reviews

Based on 1 review
Capt Pauly
Great service and support

I purchased a 12/3000/120 Multiplus and installed to find it would not power up, even though the unit was replacing and older Victron unit - eg wiring remains the same. I contacted Victron who then contacted Energy Eco about the issue. Next morning, Energy Eco contacted me for more information and then advised of a nearby testing service. The unit was tested - all ok. Back to my install to find out why ! Then I find, that a qualified electrician who I employed to install a motor soft-start had wired the soft start neutral to the existing power in line neutral. Hence the reason why the soft start didn't work and the new Victron also didn't work. All work fine now !. The Team at Energy Eco are great and helped me throughout this process. Their online purchase pricing, system and delivery is also great. Definitely recommended.