Victron
Victron Energy Inverter Chargers, MPPT Solar Controllers & Energy Storage Systems – European B2B Supply
Victron Energy is a Dutch manufacturer of professional power conversion, solar battery charging, energy storage, monitoring and electrical distribution equipment for off-grid solar systems, hybrid installations, residential backup power, commercial energy storage and mobile power applications.
Unlike conventional solar inverter manufacturers focused primarily on grid-connected photovoltaic conversion, Victron specialises in modular energy systems that integrate solar panels, battery inverter/chargers, MPPT charge controllers, lithium batteries, DC distribution, generator inputs and intelligent energy management.
The manufacturer’s portfolio includes MultiPlus-II inverter/chargers, Quattro dual-input inverter/chargers, EasySolar-II GX, Multi RS Solar, SmartSolar MPPT charge controllers, Cerbo GX and Ekrano GX monitoring systems, Lithium NG batteries, Lynx battery management and distribution equipment, and Victron Energy Storage Systems (ESS).
At 3Buy Solar, we support professional solar installers, EPC contractors, off-grid specialists, electrical contractors and resellers across Europe with B2B sourcing for solar PV components, battery energy storage, inverter/charger systems and complete installation packages.
Victron is particularly relevant where the project requires more than a standard grid-tied solar inverter: reliable battery-backed electricity, advanced generator integration, AC- or DC-coupled photovoltaic generation, remote monitoring or independent power operation.
For Victron Energy equipment sourcing, contact 3Buy Solar for a professional B2B quotation with the required model numbers, quantities and installation details.
Individual Victron products are not currently published for direct purchase in our WooCommerce catalogue. Exact model availability, pricing and delivery conditions require confirmation.
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Victron Energy Product Range – Which Components Does Your System Need?
Victron offers several distinct product families, each serving a specific function within the electrical system.
| Victron Product Family | Main Function | Typical Application |
|---|---|---|
| MultiPlus-II | Inverter, AC charger and transfer switching | Residential ESS, backup, off-grid |
| Quattro / Quattro-II | Dual-AC-input inverter/charger | Grid + generator, marine, backup |
| EasySolar-II GX | Integrated inverter/charger, MPPT and GX | Compact off-grid and ESS systems |
| Multi RS Solar | 48V inverter/charger with integrated MPPT | Residential hybrid solar |
| SmartSolar MPPT | DC solar-to-battery charging | 12V, 24V and 48V PV systems |
| SmartSolar MPPT RS | Higher-voltage PV input charging 48V batteries | Larger battery-based PV |
| Lithium NG Batteries | LiFePO4 electrical energy storage | Victron battery banks |
| Lynx Smart BMS NG | Lithium NG battery management | Integrated Victron lithium systems |
| Lynx Distributor / Power In | DC distribution and battery connections | Professional DC installations |
| Cerbo GX / Ekrano GX | Monitoring and system control | ESS, off-grid and backup |
| SmartShunt / BMV | Battery current and state-of-charge monitoring | Battery systems |
| Orion DC-DC Chargers | DC charging and voltage conversion | Mobile, marine and DC systems |
| EV Charging Station NS | Smart AC electric vehicle charging | Solar-integrated EV charging |
| VRM / VictronConnect | Remote monitoring and configuration | Installation, O&M and support |
For professional buyers, the critical decision is not simply selecting the largest inverter.
The battery voltage, inverter output, solar charging architecture, BMS communication, AC input requirements and monitoring system must be designed together.
Victron MultiPlus-II – Inverter/Charger for 48V ESS, Off-Grid & Backup Power
The Victron MultiPlus-II is a combined pure sine wave inverter, battery charger and automatic transfer switch.
It is one of Victron’s principal platforms for battery-based power systems.
The MultiPlus-II can convert stored battery energy into AC power, charge batteries from a suitable AC source and transfer between available grid or generator power and inverter operation.
In appropriately designed systems, it can also operate as part of a grid-connected Victron ESS.
Victron MultiPlus-II 48V – Technical Comparison
The following examples represent established European 230V models.
| Model | Apparent Power | Continuous AC Power at 25°C | AC Battery Charging |
|---|---|---|---|
| MultiPlus-II 48/3000/35-32 | 3,000VA | 2,400W | 35A |
| MultiPlus-II 48/5000/70-50 | 5,000VA | 4,000W | 70A |
The manufacturer also offers other MultiPlus-II power classes, including 4kVA-class, 4.5kVA, 6.5kVA, 8kVA, 10kVA and 15kVA configurations, depending on the model and market.
Important: Victron VA Ratings Are Not the Same as Continuous Watts
A MultiPlus-II 48/5000/70-50 is rated at 5,000VA but has a specified continuous inverter output of 4,000W at 25°C.
Similarly, the 48/3000/35-32 provides 3,000VA apparent power and 2,400W continuous active power at 25°C.
For installers, this distinction is essential when sizing systems for pumps, air conditioning, heating equipment, refrigeration, power tools and other electrical loads.
Continuous power ratings may decrease as equipment temperature increases.
An inverter’s short-duration peak rating should not be used as its normal continuous load rating.
Key Features of MultiPlus-II
- Pure sine wave AC inverter
- Integrated adaptive battery charger
- Automatic transfer switching
- PowerControl AC input limiting
- PowerAssist peak demand support
- Support for compatible lithium and lead-acid batteries
- VE.Bus communication
- Parallel operation in approved configurations
- Three-phase configurations with suitable equipment
- Supported ESS integration
- Remote monitoring through a compatible GX device
- Generator-compatible AC charging
- Dedicated AC outputs for appropriate load management
Victron PowerControl & PowerAssist
PowerControl allows the inverter/charger to limit its AC input demand, helping prevent an external grid connection or generator from being overloaded by the charging system.
PowerAssist allows the battery inverter to supplement a limited AC source when additional power is temporarily required.
For example, where a generator cannot supply the entire connected load, a properly configured MultiPlus-II can contribute battery power within its available operating limits.
This is especially useful for off-grid installations and buildings with restricted electrical connections.
Does MultiPlus-II Include an MPPT Solar Charge Controller?
No. A conventional MultiPlus-II does not include a dedicated photovoltaic MPPT input.
Solar panels must be integrated through a suitable separate MPPT solar charge controller or an approved AC-coupled PV inverter arrangement.
For installers looking for integrated MPPT charging, Victron offers other platforms, including EasySolar-II GX and Multi RS Solar.
Official technical documentation: Victron MultiPlus-II – Datasheets, Installation Manuals & Certificates
Victron Quattro & Quattro-II – Dual AC Input Inverter/Chargers
The Victron Quattro and Quattro-II are inverter/chargers developed for installations requiring multiple AC supply sources.
The primary distinction from MultiPlus-II is the provision of two independent AC inputs.
A Quattro system can connect to two AC sources, such as the public grid and a backup generator, and automatically select the available source according to its supported control configuration.
Victron MultiPlus-II vs Quattro – Technical Differences
| Feature | MultiPlus-II | Quattro / Quattro-II |
|---|---|---|
| Inverter function | Yes | Yes |
| AC battery charging | Yes | Yes |
| Independent AC inputs | 1 | 2 |
| Automatic transfer | Yes | Yes |
| Generator compatibility | Yes | Yes |
| PowerAssist | Yes | Yes |
| ESS integration | Supported | Supported |
| Parallel / three-phase | Supported configurations | Supported configurations |
When Should Installers Choose Quattro?
Quattro is especially relevant where two incoming power sources need to be managed.
Typical applications include:
- Off-grid homes with generator backup
- Residential installations with public grid and generator
- Commercial backup systems
- Remote agricultural facilities
- Workshops and industrial support loads
- Marine and shore-power installations
- Mobile technical installations
- Systems requiring automatic AC source selection
Quattro-II Models
The manufacturer’s Quattro-II range includes, among other configurations:
- Quattro-II 24/5000/120-50
- Quattro-II 48/5000/70-50
These designations identify the nominal battery voltage, inverter apparent-power class, battery charger rating and AC transfer capability.
A Quattro-II model should be selected according to the electrical installation, not simply because it has more AC inputs.
Where only one external AC source is required, MultiPlus-II may provide the more appropriate architecture.
Official reference: Victron Quattro-II – Technical Specifications & Installation Documentation
Victron EasySolar-II GX – Integrated Inverter, MPPT & Monitoring
The Victron EasySolar-II GX combines three major system functions within one enclosure:
- Inverter/charger
- MPPT solar charge controller
- GX monitoring and control
This architecture reduces the number of separate major devices compared with a conventional MultiPlus-II installation using an external MPPT and GX communication centre.
Victron EasySolar-II GX Models
The manufacturer’s portfolio includes nominal apparent-power classes such as:
- 3,000VA
- 4,500VA
- 5,000VA
- 6,500VA
Depending on model, the equipment incorporates a compatible MPPT controller and integrated GX functionality.
For example, the EasySolar-II GX 48/5000/70-50 MPPT 250/100 combines a 48V, 5,000VA inverter/charger with a 250V/100A-class MPPT solar charge controller.
Advantages for Professional Installers
- Fewer separate major system enclosures
- Integrated photovoltaic battery charging
- Integrated inverter/charger functionality
- GX monitoring architecture
- Coordinated system communication
- Reduced inter-device control wiring
- Supported ESS and off-grid configurations
- Manufacturer-defined component integration
EasySolar-II GX can be useful for complete kits intended for residential off-grid installations, cabins and appropriately designed battery energy storage systems.
It does not eliminate the need for external AC/DC protection, compatible batteries, correct PV string design and suitable installation wiring.
Victron Multi RS Solar – 48V Hybrid Solar Inverter with Integrated MPPT
The Victron Multi RS Solar is a 48V inverter/charger platform with integrated high-voltage photovoltaic MPPT inputs.
The current 48/6000 model combines a 6,000VA-class inverter with two independent PV tracking inputs.
Multi RS Solar 48/6000 Technical Specifications
| Parameter | Manufacturer Specification |
|---|---|
| Nominal battery system | 48V |
| Inverter apparent-power class | 6,000VA |
| Continuous AC output at 25°C | Approximately 4.6–5.2kW, battery-voltage dependent |
| Independent MPPT trackers | 2 |
| PV input capacity | Up to 3kWp per tracker |
| Total nominal PV input capacity | 6kWp |
| Maximum PV open-circuit voltage | 450V |
| Battery charging architecture | Integrated |
| Monitoring | Display, VictronConnect, supported GX integration |
Important: 450V PV Input Does Not Mean a 450V Battery
Multi RS Solar uses a nominal 48V battery architecture.
The 450V figure refers to its maximum photovoltaic input voltage.
This distinction is critical when selecting a compatible solar battery.
A high-voltage solar battery operating at several hundred volts cannot be connected merely because the photovoltaic MPPT input permits 450V.
Battery-Ready Solar PV Architecture
Victron describes support for direct grid-connected PV operation without an installed battery in supported configurations.
This provides an option for certain installations where solar generation is installed first and storage is introduced later.
The intended battery, backup and grid-connected functions must be confirmed for the exact operating mode, firmware and applicable grid certification.
Official reference: Victron Multi RS Solar – Technical Documentation
Victron SmartSolar MPPT Charge Controllers – 12V, 24V & 48V Solar Battery Charging
The Victron SmartSolar MPPT range consists of photovoltaic charge controllers designed to convert electricity from solar panels into regulated battery charging power.
Unlike a standard solar inverter, an MPPT charge controller does not independently provide 230V AC output.
Its principal function is to optimise solar energy harvesting and charge a compatible DC battery bank.
How to Read Victron MPPT Model Numbers
Victron MPPT designations commonly use two values.
For example:
SmartSolar MPPT 150/35
- 150 = maximum PV open-circuit voltage of 150V
- 35 = maximum battery charging current of 35A
These are electrical limits, not indicators of battery capacity.
Victron SmartSolar MPPT Comparison
| MPPT Model | Maximum PV Voltage | Charging Current | Battery Systems |
|---|---|---|---|
| SmartSolar 100/30 | 100V | 30A | 12V / 24V |
| SmartSolar 150/35 | 150V | 35A | 12V / 24V / 48V |
| SmartSolar 150/70 | 150V | 70A | 12V / 24V / 48V |
| SmartSolar 250/100 | 250V | 100A | 12V / 24V / 48V |
| SmartSolar MPPT RS 450/100 | 450V | 100A | 48V |
| SmartSolar MPPT RS 450/200 | 450V | 200A | 48V |
Some models also support manually configured 36V battery systems. The exact specification and required connection version must be confirmed using the corresponding datasheet.
Important: SmartSolar 100/30 Is Not a 48V MPPT Controller
The SmartSolar MPPT 100/30 supports 12V and 24V battery systems.
It should not be specified for a nominal 48V battery bank.
For 48V installations, installers must select an MPPT model explicitly designed for that battery voltage.
SmartSolar MPPT 250/100 – 48V Solar Battery Charging
The 250/100 provides:
- Maximum PV input voltage: 250V
- Maximum battery charging current: 100A
- 12V, 24V and 48V battery support
- Manufacturer-specified nominal PV power of approximately 5,800W at 48V
- VE.Can communication on appropriate variants
- Supported monitoring and coordinated charging
Its maximum charge current must remain within the limits permitted by the battery BMS and the complete charging architecture.
Victron MPPT RS 450/100 & 450/200
For larger 48V solar battery systems, Victron’s SmartSolar MPPT RS series provides higher PV input voltage capability.
The 450/100 offers two independent MPPT trackers and a manufacturer-specified maximum charging output of approximately 5.76kW.
The 450/200 offers four trackers and a maximum charging output of approximately 11.52kW.
These figures describe DC battery charging, not grid-connected AC inverter output.
MPPT Solar String Design – Installer Requirements
Before selecting any Victron MPPT controller, verify:
- Solar module open-circuit voltage (Voc)
- Maximum Voc under minimum site temperature
- MPPT operating voltage range
- Maximum PV short-circuit current
- Number of strings and MPPT trackers
- Permitted PV power
- Battery nominal voltage
- Maximum charging current
- Battery chemistry and charge settings
- DC isolation and protective devices
- Earthing requirements
- Cable sizing and voltage drop
A 150V or 250V MPPT input limit must never be exceeded under cold-weather open-circuit conditions.
For further equipment, browse:
Victron ESS – Grid-Connected Solar Battery Energy Storage Systems
Victron Energy Storage Systems (ESS) combine a suitable inverter/charger, compatible battery storage and a GX communication device into a coordinated grid-connected energy management system.
The architecture is designed to store electricity when available and use it later according to the configured operating strategy.
Victron ESS can be implemented with DC-coupled photovoltaic generation, AC-coupled PV or a combination of both.
What Does a Victron ESS System Need?
A typical installation may include:
- MultiPlus-II or compatible Quattro inverter/charger
- Compatible solar battery bank
- Cerbo GX, Ekrano GX or another supported GX device
- Approved battery BMS and communication
- Grid meter or appropriate system measurement arrangement
- Solar PV generation equipment
- ESS software configuration
- AC and DC protection equipment
- Appropriate distribution and backup switching
Victron ESS Operating Functions
Depending on system design and settings, supported functions include:
- Solar self-consumption
- Battery charging and discharging
- Scheduled energy shifting
- Grid import and export management
- Battery reserve management
- Supported backup operation
- Generator-supported operation
- Remote monitoring
- Energy management optimisation
DC-Coupled vs AC-Coupled Victron ESS
DC-coupled solar: Solar panels connect through Victron MPPT controllers to the battery-side DC system.
AC-coupled solar: Solar panels connect through an appropriately integrated grid-tied PV inverter on the AC system.
Both architectures are supported in suitable Victron ESS installations.
| Design Factor | DC-Coupled PV | AC-Coupled PV |
|---|---|---|
| PV conversion path | PV → MPPT → Battery DC | PV → Grid-tied inverter → AC |
| Battery charging | Direct DC charging | Through AC/DC conversion |
| Existing PV retrofit | May require new DC wiring | Often more suitable |
| Off-grid recovery | Useful with suitable MPPT charging | Requires careful AC inverter coordination |
| Grid-tied PV inverter required | No | Yes |
Victron ESS for Existing PV Installations
Where a building already has a functioning grid-connected solar inverter, AC-coupled Victron storage may provide a retrofit option without automatically requiring removal of the existing photovoltaic inverter.
However, successful integration depends on the existing PV inverter, ESS configuration, metering, grid approval and any backup operating requirements.
AC-Coupled PV During Grid Outages
When AC-coupled photovoltaic generation is connected to the backup output of an inverter/charger, additional stability and power-management requirements apply.
Victron publishes specific rules concerning AC-coupled PV capacity, frequency shifting, battery charging and off-grid operation.
Installers should not assume that any existing grid-tied PV inverter can continue generating during a grid outage.
Official reference: Victron ESS Design & Installation Manual
Victron Solar Battery Compatibility – BYD, Dyness, Pylontech & Other Batteries
Victron inverter/chargers support a broad range of battery technologies, including appropriately configured lead-acid systems and lithium batteries.
For professional LiFePO4 energy storage projects, battery compatibility should be checked using Victron’s published manufacturer-specific documentation.
Selected Battery Manufacturers with Victron Documentation
Victron’s compatibility resources include guidance for selected battery models from:
- BYD
- Dyness
- Pylontech
- Pytes
- WECO
- Sunwoda
- Soluna
- BSLBATT
- Cegasa
- Discover AES
- Freedom Won
- MG Energy Systems
- Other manufacturer-documented battery families
This does not mean every battery from each brand is supported.
Victron GX & BMS-Can Communication
Many supported managed lithium battery systems communicate with Victron through BMS-Can, using a compatible GX device.
The battery BMS may communicate information including:
- Battery state of charge (SOC)
- Charge Voltage Limit (CVL)
- Charge Current Limit (CCL)
- Discharge Current Limit (DCL)
- Battery voltage
- Battery temperature
- Operating alarms and protective limits
The GX device then coordinates charging and discharging behaviour through the supported Victron system architecture.
DVCC – Distributed Voltage and Current Control
Victron’s DVCC functionality helps coordinate supported chargers and inverter/chargers using battery information and operating limits.
For professional installers, the correct BMS communication and DVCC configuration are important because they help ensure that charging equipment responds to battery operating limits.
However, DVCC does not replace the battery’s protective systems or the required DC protection devices.
Victron & Dyness Batteries
Victron publishes detailed compatibility guidance for selected Dyness 48V-class LiFePO4 batteries.
The documentation includes the required communication architecture, BMS-Can settings and battery model considerations.
Victron & Dyness – Official Battery Compatibility Instructions
Victron & BYD Batteries
Victron also provides documentation for supported BYD low-voltage battery systems.
The manufacturer’s guidance identifies minimum battery module requirements for different inverter sizes and operating modes.
A battery configuration suitable for one single-phase installation may not satisfy the requirements of a three-phase or high-power backup system.
Victron & BYD – Official Compatibility and Minimum Battery Requirements
Critical Compatibility Checklist
Before ordering a Victron-compatible third-party solar battery, check:
- Exact Victron inverter/charger model
- Battery manufacturer and model
- Nominal and operating battery voltage
- Required BMS communication interface
- CAN communication cable and pinout
- Minimum battery module quantity
- Battery firmware
- GX device firmware and Venus OS version
- Charge/discharge current limits
- Supported system expansion
- Off-grid and backup operating requirements
- Manufacturer warranty and compatibility conditions
Official reference: Victron Energy Battery Compatibility Documentation
Victron Lithium NG Batteries – LiFePO4 Battery Storage
Victron manufactures its own lithium battery systems, including the Lithium NG Battery family.
The Lithium NG platform is available in nominal 12.8V, 25.6V and 51.2V configurations.
Its applications include mobile, marine, off-grid and stationary energy storage systems.
Victron Lithium NG Features
- Lithium iron phosphate cell chemistry
- 12V, 24V and 48V-class battery configurations
- Monitoring of cell voltage and temperature information
- Communication with approved Victron NG battery management equipment
- IP65-rated battery enclosure
- Modular battery bank arrangements
- Monitoring through the appropriate GX and BMS architecture
- Manufacturer-supported large-capacity systems
Victron states that its Lithium NG platform supports battery banks up to approximately 385kWh in appropriate configurations.
That represents a maximum system capability, not a recommended battery size for every installation.
Important: Lithium NG Requires the Correct BMS
Victron Lithium NG batteries must be operated with a compatible NG battery management system.
A conventional Lynx Smart BMS intended for older Victron Lithium Smart batteries is not automatically interchangeable with a Lynx Smart BMS NG.
For professional installations, battery generation and BMS generation must be matched according to the manufacturer’s documentation.
Victron Lynx Smart BMS NG – Battery Protection & High-Current Control
The Lynx Smart BMS NG is designed specifically for Victron Lithium NG batteries.
The platform includes 500A and 1,000A versions.
Lynx Smart BMS NG Comparison
| Parameter | Lynx Smart BMS NG 500A | Lynx Smart BMS NG 1000A |
|---|---|---|
| Continuous contactor rating | 500A | 1,000A |
| Supported nominal system voltage | 12V / 24V / 48V | 12V / 24V / 48V |
| Battery monitoring | Yes | Yes |
| Bluetooth configuration | Yes | Yes |
| GX integration | Yes | Yes |
| Lynx DC distribution integration | Yes | Yes |
Main Functions
Depending on the installation, Lynx Smart BMS NG provides:
- Battery state-of-charge monitoring
- Battery protection coordination
- Charge and discharge control
- Main contactor switching
- Pre-alarm signalling
- Communication with GX equipment
- Remote monitoring
- Integration with Lynx DC distribution components
Why BMS Current Rating Matters
In a high-power 48V battery system, DC current can be substantial.
For illustration, an inverter drawing approximately 10kW from a 51.2V battery bank requires around 195A at nominal voltage before inverter losses.
The actual current may be higher at lower battery voltage or lower conversion efficiency.
Therefore, the selected BMS, battery bank, fuses, busbars and cables must all be rated for the required operating and fault conditions.
Victron Lynx Distributor, Power In & SmartShunt – Professional DC Distribution
Victron’s Lynx product family provides a modular system for managing high-current DC connections.
Lynx Power In
The Lynx Power In provides positive and negative DC busbars for connecting batteries and equipment.
It is not, by itself, a fused battery distribution module.
Lynx Distributor
The Lynx Distributor includes positions for four DC fuses and provides fuse status monitoring when integrated correctly.
This makes it useful for professional installations requiring organised DC connections and protection.
Lynx Class-T Power In
The Lynx Class-T Power In is designed for high-current battery connections using suitable Class-T fuse arrangements.
The selected fuse rating must match the battery, cable and installation requirements.
Victron SmartShunt
The Victron SmartShunt is a battery monitor that measures battery current through a calibrated shunt.
It is available in several current classes, including 500A, 1,000A and 2,000A versions.
Depending on configuration, it can provide:
- Battery current
- Battery voltage
- Calculated state of charge
- Consumed ampere-hours
- Historical battery information
- Integration with VictronConnect
- Communication with compatible GX equipment
Battery Monitoring vs Battery Management
A battery monitor is not the same as a BMS.
A SmartShunt measures and calculates battery operating information.
A battery management system provides essential battery protection and control functions.
For lithium batteries, the appropriate BMS remains necessary even where a separate battery monitor is installed.
Explore related Battery Monitoring Equipment at 3Buy Solar.
Victron Cerbo GX, Ekrano GX & VRM – Professional Energy Monitoring
The Victron Cerbo GX is a central communication and monitoring device for compatible Victron energy systems.
It connects supported inverter/chargers, solar charge controllers, battery systems, meters and other components through the appropriate communication interfaces.
Victron Cerbo GX Capabilities
Depending on model and configuration, Cerbo GX provides:
- VE.Bus communication
- VE.Direct connectivity
- VE.Can communication
- Ethernet networking
- Wi-Fi connectivity
- Battery BMS integration
- Remote monitoring
- System alarms
- Local control
- Integration with GX Touch displays
- ESS system coordination
- Generator and relay-based control functions
Victron’s current documentation distinguishes between Cerbo GX hardware revisions, including MK2 and MK3.
For larger installations, the number of supported communication devices and physical interfaces must be checked against the applicable hardware version.
Ekrano GX – Integrated Display & Control
The Ekrano GX provides an integrated display and communication platform for compatible Victron systems.
It is relevant to installations where local touchscreen control is desirable alongside remote monitoring.
VRM – Victron Remote Management
The Victron Remote Management (VRM) Portal allows authorised users and installers to view connected system information remotely.
Depending on the installation, available functions include:
- Solar PV generation monitoring
- Battery state-of-charge information
- Inverter status
- Grid electricity import and export
- Generator operation
- Historical energy data
- Alarm notifications
- Remote diagnostics
- Supported configuration and firmware management
Why Remote Monitoring Matters for Professional Installers
For companies managing multiple solar PV and battery storage installations, remote monitoring can help identify operating issues before an on-site service visit becomes necessary.
For example, the installer may be able to distinguish between insufficient photovoltaic generation, battery charging limitations, communication interruptions and inverter operating alarms.
However, remote monitoring does not automatically replace on-site electrical testing or manufacturer-authorised repair procedures.
VictronConnect
VictronConnect is Victron’s application for local configuration and monitoring of supported devices.
It is used for many tasks involving SmartSolar MPPT charge controllers, battery monitors, chargers and other compatible equipment.
VRM and VictronConnect provide related but distinct functionality.
For procurement, installers should confirm whether the required device supports local Bluetooth configuration, GX communication, cloud monitoring or all three.
Victron Three-Phase Energy Storage – Parallel MultiPlus-II & Quattro Systems
Selected Victron inverter/chargers can operate in manufacturer-approved parallel and three-phase configurations.
This is an important capability for larger residential buildings, commercial backup systems, farms and remote facilities requiring three-phase power.
Example – Three-Phase MultiPlus-II 48/5000 Installation
A three-phase system may use one suitably configured MultiPlus-II 48/5000/70-50 per phase.
The manufacturer’s 230V specification provides 4,000W continuous output per inverter at 25°C.
Three units therefore provide a combined theoretical continuous active-power rating of approximately 12kW, assuming the system operates within all equipment limits.
This is different from the combined apparent-power rating of 15kVA.
Three-Phase Battery System Requirements
Professional installers must consider:
- Approved inverter combination and firmware
- Correct three-phase configuration
- Shared battery-bank architecture
- DC current capability
- Battery discharge power
- BMS communication
- DC fuses and busbars
- AC protective devices
- Neutral and earthing arrangements
- Grid-code compliance
- Phase-specific electrical loads
- Parallel and three-phase commissioning requirements
Why Battery Sizing Matters
A 15kVA apparent-power inverter system does not automatically mean that a 10kWh battery can deliver the full output.
Energy capacity, discharge current and inverter power are separate design parameters.
The battery must be sized for both the desired operating duration and the maximum discharge power required by the installation.
For installations with large motor loads, additional attention must be paid to starting current, surge power and per-phase loading.
Victron Off-Grid Solar Systems – Cabins, Farms, Workshops & Remote Sites
Off-grid photovoltaic systems are one of Victron Energy’s principal application areas.
These installations are designed to supply electricity without relying on a permanent public-grid connection.
A professional off-grid system typically combines:
- Solar PV modules
- MPPT solar charge controllers
- Battery storage
- MultiPlus-II, Quattro or another suitable inverter
- AC distribution equipment
- DC protection
- Monitoring and system control
- Generator backup where required
Off-Grid Residential Installations
Victron is relevant to remote houses, cabins and buildings where the public electricity network is unavailable, unreliable or prohibitively expensive to extend.
For these projects, system design should consider:
- Average daily electricity consumption
- Maximum simultaneous load
- Seasonal photovoltaic production
- Winter solar generation
- Battery autonomy
- Generator operating requirements
- Battery charging capacity
- Inverter standby consumption
- Essential and non-essential loads
Agricultural & Remote Power Applications
Victron equipment can also support:
- Agricultural monitoring systems
- Remote irrigation controls
- Telecommunications equipment
- Security installations
- Remote workshops
- Small commercial facilities
- Off-grid technical buildings
For motor-driven equipment, starting current and continuous load requirements should be calculated before selecting the inverter.
Winter Solar Autonomy
For European off-grid installations, battery capacity must not be selected using summer photovoltaic generation alone.
Winter conditions, prolonged cloud cover and the required backup duration can significantly affect the necessary system size.
A battery bank with sufficient capacity for one overnight period may be inadequate for several consecutive low-generation days.
Browse Off-Grid Solar Equipment & System Components at 3Buy Solar.
Victron Mobile, Marine & DC Power Systems
Victron also develops equipment for mobile and marine electrical installations.
Applications include:
- Caravans and motorhomes
- Commercial vehicles
- Mobile workshops
- Boats and yachts
- Remote service vehicles
- Mobile technical cabins
- Telecom and auxiliary DC systems
Victron Orion DC-DC Chargers
The manufacturer’s Orion family includes DC-DC conversion and charging equipment.
Selected Orion XS products are designed for controlled battery charging between compatible DC electrical systems.
This is particularly relevant to mobile power installations where charging must be coordinated with a vehicle alternator or another DC source.
Why Mobile System Design Is Different
Mobile and marine electrical systems may operate with 12V or 24V batteries, variable alternator output and limited available installation space.
Installers must therefore consider:
- Voltage compatibility
- Alternator loading
- Battery chemistry
- Required charging current
- Cable length and voltage drop
- Electrical protection
- Ventilation
- Marine and vehicle-specific requirements
Equipment should be selected using the correct product version for the application.
Victron EV Charging Station NS – Solar-Powered Smart EV Charging
The Victron EV Charging Station NS provides AC electric vehicle charging with integration options for supported Victron energy systems.
Victron EV Charging Station NS Specifications
| Parameter | Specification |
|---|---|
| Maximum three-phase charging power | 22kW |
| Maximum single-phase charging power | Approximately 7.3kW |
| Maximum charging current | 32A per phase |
| EV connector | Type 2 |
| Minimum configurable charging current | 6A |
| Local configuration | VictronConnect / Web interface |
| GX integration | Supported |
| VRM monitoring | Supported |
Solar Surplus EV Charging
When connected to the required Victron system architecture, the EV Charging Station NS can operate in a solar-aware charging mode.
This allows compatible installations to coordinate EV charging with available surplus photovoltaic electricity.
Depending on the configuration, the charger can reduce charging demand when insufficient solar power is available.
Victron EV Charging for Off-Grid Systems
EV charging from a battery-based off-grid system requires careful power management.
For example, an 11kW EV charging load can exceed the continuous output of a single 5kVA-class battery inverter.
The complete system must therefore be sized according to:
- Available inverter AC power
- Battery discharge capability
- Solar generation
- Existing building loads
- Grid or generator input
- Charging current limits
- Permitted phase configuration
An intelligent EV charger cannot supply more electrical power than the connected system can safely deliver.
Browse Solar EV Chargers & Related Equipment through 3Buy Solar.
Victron Complete Off-Grid Kits & Solar Battery Systems – Bill of Materials
For professional installers, a complete Victron system should be designed from the electrical architecture rather than assembled solely from individual product names.
Example – 48V Residential Off-Grid Solar Kit
An illustrative 48V system may include:
- MultiPlus-II 48/5000/70-50 inverter/charger
- Compatible 48V-class LiFePO4 battery
- SmartSolar MPPT 250/100
- Cerbo GX
- Approved BMS and communication equipment
- Suitable DC busbars
- Battery fuses and isolation
- AC and DC protective devices
- Photovoltaic modules and mounting structure
- Metering and monitoring accessories
- Optional generator interface
This is a component illustration, not a complete approved installation design.
Example – 48V Battery Capacity Calculation
A battery bank with nominal voltage of 51.2V and total capacity of 200Ah contains:
51.2V × 200Ah = 10.24kWh nominal stored energy.
Actual usable energy depends on allowable depth of discharge, BMS settings, operating conditions and conversion losses.
The battery’s maximum discharge current must also be checked independently.
A 10.24kWh battery with a restrictive BMS discharge limit may not support the full inverter output under every condition.
Complete Victron ESS System Components
For grid-connected energy storage, additional equipment and software configuration may be required, including:
- Grid-compatible inverter/charger
- GX device
- Compatible battery
- Metering and CT equipment
- ESS Assistant and correct software configuration
- Approved grid protection
- Required AC switching
- Monitoring and communications
- Manufacturer-compliant wiring
3Buy Solar Complete Kit Categories
Professional buyers can compare related equipment through:
- Complete Solar PV Kits
- Off-Grid Solar Systems
- Battery Inverters & Inverter/Chargers
- Energy Storage Kits with Inverter
- Solar Batteries
- Solar Panels
Products from different manufacturers must only be combined where electrical and communication compatibility has been properly established.
Victron CE Certification, European Grid Compliance & Installation Documentation
Professional Victron installations require documentation appropriate to the exact product, intended application and destination country.
Victron provides product manuals, datasheets, technical schematics and relevant certification documents through its official manufacturer resources.
Official Victron Documentation
Victron Energy – Official Manufacturer Website
Product specifications and technical information covering inverters, chargers, battery management, monitoring and energy storage.
Victron Energy – Official Downloads
Manufacturer datasheets, operating manuals, conformity documents and technical files.
Victron ESS – Design & Installation Manual
Design, wiring, operating modes and configuration for grid-connected Victron ESS installations.
Victron ESS – Quick Installation Guide
Installation and configuration workflow for professional installers.
Victron Battery Compatibility Documentation
Manufacturer-specific lithium battery compatibility and commissioning information.
European Installation & Grid Compliance
Before commissioning Victron equipment, installers should verify:
- Applicable EU Declaration of Conformity
- Electrical safety documentation
- EMC requirements
- Country-specific grid connection approval
- Relevant EN 50549 requirements
- Anti-islanding protection
- Approved ESS configuration
- Inverter firmware and grid settings
- AC protective devices
- Battery BMS compatibility
- DC fuses and fault-current requirements
- Earthing and neutral arrangements
- Installation environment and cooling
- Manufacturer warranty conditions
Victron Grid-Connected vs Off-Grid Certification
A device suitable for off-grid operation is not automatically approved for grid-parallel operation.
For example, a MultiPlus-II used as part of a grid-connected ESS must satisfy the applicable grid requirements for the destination country and use the appropriate approved system configuration.
Professional installers should select the relevant certification for the exact model, voltage class and country.
Victron Warranty
Victron publishes a standard five-year warranty for many of its product families, subject to the applicable manufacturer terms.
Warranty conditions should be checked for the exact product, purchase date, installation conditions and destination market.
Victron Installer Training – 3Buy Solar YouTube & Official Victron Professional
Installing advanced Victron energy systems requires a strong understanding of AC and DC electrical design, inverter/charger configuration, battery communication, ESS software and safety requirements.
The 3Buy Solar YouTube Training & Technical Support Channel provides installation tutorials, technical demonstrations and educational resources covering solar PV, hybrid inverters, batteries, monitoring and energy storage.
3Buy Solar Technical Training Resources
Our training resources are relevant to:
- Solar inverter installation
- Off-grid solar systems
- Battery integration
- LiFePO4 energy storage
- AC and DC protection
- Inverter commissioning
- Remote monitoring
- Hybrid system design
- Three-phase installations
- Technical troubleshooting
Victron Energy Official ESS Installation Tutorial
Watch: Victron ESS – System Overview & Installation Principles
This video is referenced directly in Victron’s official ESS Quick Installation Guide.
It provides introductory guidance on the manufacturer’s energy storage architecture.
Victron Professional Training Portal
The Victron Professional Portal provides manufacturer training, technical updates and educational resources.
A free professional account is required to access the relevant training content.
Victron Official Technical Documentation
Victron Energy Technical Manuals & ESS Documentation
This resource provides technical guidance on energy storage system design, commissioning and operation.
3Buy Solar Installer Training Academy
For additional learning resources, visit the 3Buy Solar Installer Training & Webinar Academy.
For Victron-specific configuration, the manufacturer’s current manuals, firmware documentation and authorised technical resources should always be used alongside general training material.
Why Professional Solar Installers Choose Victron Energy
Victron’s principal strength is its modular power conversion and energy management architecture.
Unlike a fixed all-in-one product, many Victron systems allow installers to select individual components according to the required application.
Flexible System Design
Installers can combine suitable inverter/chargers, MPPT solar chargers, batteries, DC distribution equipment and monitoring systems.
Off-Grid & Generator Integration
Victron’s MultiPlus and Quattro platforms are particularly relevant where the grid connection is unavailable or must be supplemented by a generator.
AC-Coupled & DC-Coupled ESS
Victron supports different photovoltaic integration architectures, providing flexibility for new installations and selected storage retrofits.
Managed Lithium Battery Integration
Victron maintains compatibility guidance for numerous third-party lithium battery families.
Advanced Monitoring
Cerbo GX, Ekrano GX, VRM and VictronConnect provide extensive monitoring and configuration options.
Modular DC Distribution
Lynx distribution and battery management equipment support professionally engineered high-current DC systems.
Scalability
Selected inverter/chargers support parallel and three-phase operation, enabling larger system configurations when correctly designed.
Manufacturer Technical Documentation
Victron provides detailed installation manuals, electrical schematics, compatibility references and technical resources for installers.
For professional buyers, these capabilities are particularly useful where flexibility, system control and battery-based power independence are more important than a single-box installation.
Why Source Victron Energy Through 3Buy Solar?
3Buy Solar is a European B2B solar PV supplier, solar wholesaler and energy storage distributor supporting professional installers, off-grid system integrators, EPC contractors, resellers and electrical specialists.
We work across photovoltaic generation, battery energy storage, off-grid installations and complete electrical systems.
Victron Equipment & Project Sourcing
Professional buyers can submit exact Victron product references for a commercial quotation.
This may include inverter/chargers, MPPT charge controllers, GX devices, battery management components, accessories and equipment for complete systems.
Multibrand Procurement
3Buy Solar’s wider product catalogue includes solar panels, batteries, inverters, installation equipment and related components from multiple manufacturers.
This is useful where a Victron installation requires additional equipment outside the Victron product ecosystem.
Technical Product Identification
Using full manufacturer model numbers helps reduce errors involving battery voltage, AC output, charger rating and communication interfaces.
European B2B Supply
We support professional procurement enquiries involving individual equipment requirements and larger project orders.
Pricing, availability and delivery arrangements depend on the confirmed equipment and order conditions.
Installer Training & Resources
Our YouTube channel and training academy provide educational resources relevant to photovoltaic installation, battery integration and energy storage.
Manufacturer Support Information
For manufacturer warranty, technical support and service contacts, consult our Manufacturer Technical Support & Service Hotline Directory.
For a project requiring multiple Victron devices, sending a complete bill of materials is preferable to requesting an inverter quotation without the associated battery and system components.
Victron B2B Procurement Checklist – What to Send for a Quote
For accurate equipment sourcing and project specification, professional buyers should provide:
Project location: Country, destination and installation environment.
Application: Off-grid, grid-connected ESS, backup, mobile, marine or commercial installation.
Inverter: Exact MultiPlus-II, Quattro, EasySolar or Multi RS model number and quantity.
AC system: Single-phase or three-phase, supply voltage, grid connection capacity and generator requirements.
Loads: Maximum continuous electrical load, peak starting demand and required backup circuits.
Solar array: Installed PV capacity, module model, number of strings and planned MPPT configuration.
Battery: Nominal voltage, battery manufacturer, model, usable capacity and required discharge power.
BMS: Exact BMS model, communication requirements and approved battery configuration.
Monitoring: Cerbo GX, Ekrano GX, SmartShunt, VRM and other required communication equipment.
DC distribution: Required Lynx components, busbars, fuses, cabling and disconnect devices.
Compliance: Relevant country-specific certificates, grid approvals and technical documentation.
Logistics: Quantity, delivery country, target delivery date or collection requirements.
For larger installations, include the preliminary single-line electrical diagram, battery configuration and bill of materials where available.
Request a Victron Energy B2B Quotation – Contact 3Buy Solar
Frequently Asked Questions About Victron Energy
What is Victron Energy?
Victron Energy is a Dutch manufacturer of inverter/chargers, MPPT solar charge controllers, battery management equipment, lithium batteries, monitoring systems and electrical components for off-grid, hybrid, backup and mobile energy applications.
What is the difference between Victron MultiPlus-II and Quattro?
MultiPlus-II has one main AC input, while Quattro and Quattro-II provide two independent AC inputs. Quattro is particularly useful where automatic selection between a grid connection and generator, or between other supported AC sources, is required.
Is Victron MultiPlus-II a hybrid solar inverter?
MultiPlus-II is an inverter/charger that can form the core of a hybrid energy storage system. Unlike an inverter with integrated photovoltaic MPPT inputs, a conventional MultiPlus-II requires a separate MPPT charge controller or suitable AC-coupled PV inverter for solar generation.
What is the difference between Victron MultiPlus-II 3000VA and 5000VA?
The MultiPlus-II 48/3000/35-32 provides 3,000VA apparent power and 2,400W continuous AC output at 25°C. The MultiPlus-II 48/5000/70-50 provides 5,000VA and 4,000W continuous output at the same temperature. They also have different AC charging and transfer ratings.
Can Victron MultiPlus-II run a three-phase installation?
Yes. Selected MultiPlus-II models can operate in manufacturer-approved three-phase configurations. The correct inverter quantity, battery bank, communication arrangement, firmware and electrical protection must be specified.
Can a Victron system operate completely off-grid?
Yes. Victron equipment is widely used for off-grid installations. A typical system includes an inverter/charger, battery bank, solar charging equipment, suitable electrical protection and optional generator support.
What is Victron SmartSolar MPPT?
SmartSolar MPPT is a solar battery charge controller. It optimises the energy harvested from photovoltaic panels and regulates battery charging. It does not independently produce 230V AC power.
What does Victron MPPT 150/35 mean?
The designation indicates a maximum photovoltaic input voltage of 150V and a maximum battery charging current of 35A. The exact supported battery voltages and other limits must be checked against the model datasheet.
Does Victron SmartSolar MPPT 100/30 support 48V batteries?
No. The standard SmartSolar MPPT 100/30 supports 12V and 24V battery systems. Installers designing 48V installations must select a compatible 48V-capable controller.
Can Victron MPPT RS 450/100 charge a high-voltage solar battery?
The MPPT RS 450/100 is designed for nominal 48V battery systems. Its 450V rating refers to the photovoltaic input voltage, not the connected battery voltage.
Which lithium batteries are compatible with Victron MultiPlus-II?
Victron publishes compatibility guidance for selected battery models from manufacturers including BYD, Dyness, Pylontech, Pytes, WECO and others. The exact model, firmware, BMS communication and minimum battery configuration must be verified before installation.
Can Victron work with Pylontech batteries?
Yes, selected Pylontech low-voltage batteries are supported by Victron’s published compatibility documentation. The required GX communication, firmware and battery configuration must be checked for the exact models.
What is Victron Cerbo GX?
Cerbo GX is a communication and monitoring device that connects supported Victron equipment and compatible batteries. It is used for local system coordination, ESS functions and remote monitoring through VRM.
What is the difference between Victron Cerbo GX and SmartShunt?
Cerbo GX coordinates and monitors connected system devices. SmartShunt measures battery current and calculates battery information such as state of charge. They perform different functions and can be used together.
What is Victron ESS?
Victron Energy Storage System (ESS) is a grid-connected battery energy management architecture combining a compatible inverter/charger, GX device and battery system with suitable metering and solar generation equipment.
Can Victron be used to retrofit batteries to an existing solar PV installation?
Yes, suitable Victron AC-coupled ESS configurations can provide battery storage for some existing PV installations. Feasibility depends on the grid-tied inverter, metering, electrical design, approvals and backup requirements.
Can a Victron inverter/charger charge batteries from a generator?
Yes. MultiPlus-II and Quattro support battery charging from suitable AC sources, including compatible generators. Charging current and generator input limits must be configured correctly.
Can Victron systems provide backup power during a grid outage?
Yes, appropriately designed Victron inverter/charger systems can provide backup power. Actual backup capability depends on the inverter, battery, protective switching, loads and system architecture.
What is Victron PowerAssist?
PowerAssist allows a supported inverter/charger to supplement a limited AC input source using battery power when additional load power is required, within the permitted operating limits.
What is Victron Lynx Smart BMS NG?
Lynx Smart BMS NG is a battery management platform specifically designed for Victron Lithium NG batteries. It provides battery monitoring, protection coordination and system control functions.
Can Victron be used for commercial energy storage?
Yes. Victron offers modular battery-based inverter and monitoring architectures for selected commercial applications, including backup, energy management and off-grid operation. The design must account for system power, battery capacity, BMS limits, electrical protection and local grid requirements.
Does Victron support solar EV charging?
Yes. The EV Charging Station NS supports solar-aware charging when integrated with appropriate Victron monitoring and energy management equipment. It provides up to 22kW three-phase AC charging or approximately 7.3kW single-phase charging.
What is the Victron VRM Portal?
VRM is Victron’s remote monitoring platform. It enables authorised users and installers to view compatible energy systems, operating data, alarms and historical performance remotely.
Where can I download Victron datasheets and CE documents?
Victron provides technical documentation through its official manufacturer website and download centre. Select documents for the exact product model, hardware version and intended installation country.
Where can professional installers source Victron Energy equipment in Europe?
Professional installers, EPC contractors, off-grid specialists and resellers can contact 3Buy Solar for Victron equipment and project-based sourcing enquiries. Exact model availability, pricing and delivery conditions must be confirmed before ordering.
Source Victron MultiPlus-II, Quattro, MPPT Controllers & ESS Components Through 3Buy Solar
Victron Energy offers a broad range of technologies for professional solar PV and battery energy storage projects.
From MultiPlus-II inverter/chargers and SmartSolar MPPT controllers to Cerbo GX monitoring, Lithium NG batteries, Lynx battery management and complete ESS architectures, the manufacturer provides equipment for installations requiring flexibility, power independence and intelligent electrical control.
At 3Buy Solar, we support professional buyers with Victron equipment sourcing enquiries, related solar PV components, compatible battery procurement and complete system purchasing requirements.
For a new off-grid system, solar battery retrofit, generator-supported installation or larger ESS project, provide the equipment list, required battery configuration and delivery information.
Request a Victron Energy B2B Quotation – Contact 3Buy Solar
3Buy Solar – European B2B Solar PV Supply, Victron Inverter/Chargers, Solar Batteries & Energy Storage.







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