Victron Energy MultiPlus-II GX 48/5000/70-50 230V Inverter Charger – PMP482506000

Product Overview

The Victron Energy MultiPlus-II GX 48/5000/70-50 230V (PMP482506000) is a powerful, integrated inverter charger designed for 48V battery systems. Combining a pure sine wave inverter, battery charger, AC transfer switch and built-in GX monitoring device in one unit, it provides an advanced power management solution for off-grid installations, energy storage and backup power applications.

With a 5000VA inverter capacity and up to 4000W of continuous output power at 25°C, the MultiPlus-II GX converts 48V DC battery power into 230V AC electricity for compatible appliances and electrical equipment. Its integrated 70A battery charger supports charging from an appropriate AC power source, while the 50A transfer switch manages the transition between incoming AC power and inverter supply.

The built-in GX device enables communication with compatible Victron Energy equipment and provides integrated system monitoring capabilities. This can reduce the need for a separate GX monitoring device in many compatible installations, making the PMP482506000 a practical choice for users seeking powerful inverter and charging functionality alongside connected energy management.

Key Features and Benefits

The Victron Energy MultiPlus-II GX combines inverter and battery charging functions with integrated monitoring and communication. Its 5000VA inverter provides up to 4000W of continuous output power at 25°C, with output capability reducing at higher operating temperatures. A peak power rating of 9000W helps accommodate certain short-duration starting loads.

The integrated 70A battery charger supports charging compatible 48V battery systems, while the 50A AC transfer switch manages the changeover between an external AC supply and inverter operation.

PowerControl helps limit the current drawn from an external AC source, such as a generator or restricted shore power connection. PowerAssist can supplement the available AC supply with battery energy when temporary demand exceeds the configured input limit, subject to the capabilities of the inverter and battery system.

UPS functionality allows the unit to switch rapidly to inverter operation when the incoming AC supply fails, helping maintain power to suitable connected equipment. The integrated GX device supports monitoring and communication with compatible Victron components, while VE.Bus communication allows integration with supported system configurations.

The unit also supports remote on/off control, includes a programmable relay and can be incorporated into compatible parallel and three-phase systems when correctly installed and configured.

Technical Specifications

Manufacturer: Victron Energy. Product range: MultiPlus-II GX. Model: 48/5000/70-50 230V GX. Manufacturer part number: PMP482506000. EAN: 8719076048824. Product type: Inverter charger with integrated GX device.

The nominal battery voltage is 48V DC, with a DC input voltage range of 38–66V DC. The AC output voltage is 230V AC ±2%, with an output frequency of 50Hz ±0.1%, adjustable to 60Hz where supported.

The inverter has a continuous apparent power rating of 5000VA and continuous active output power of 4000W at 25°C. Continuous output power is specified at 3700W at 40°C and 3000W at 65°C. Peak power is rated at 9000W, and maximum inverter efficiency is up to 96%.

The integrated battery charger provides a maximum charging current of 70A. The AC input voltage range is 187–265V AC, with an input frequency range of 45–65Hz. The AC transfer switch and maximum AC input current are rated at 50A.

Specified battery charging voltages are 57.6V DC for absorption, 55.2V DC for float and 52.8V DC for storage. Charging parameters should be configured according to the battery chemistry and the battery manufacturer's requirements.

Communication interfaces include VE.Bus, VE.Can, VE.Direct, USB and Ethernet, with Wi-Fi connectivity. The unit supports remote on/off control and has a programmable relay. An auxiliary output is specified at 50A, subject to the manufacturer's configuration requirements.

The battery connections use M8 bolts, while the AC connections use screw terminals for conductors up to 13mm². The enclosure has an IP22 protection rating. The stated operating temperature range is -40°C to +65°C, subject to operating conditions and cooling requirements.

Approximate dimensions are 565 × 323 × 148mm (H × W × D), and the stated weight is approximately 31kg. Confirm the exact specifications and supplied accessories against the manufacturer's documentation for the particular version before installation.

Usage and Applications

The Victron Energy MultiPlus-II GX 48/5000/70-50 is designed for installations requiring substantial inverter output, battery charging and integrated energy monitoring. It can form part of a standalone off-grid system or a compatible grid-connected energy storage installation.

In off-grid solar power systems, the MultiPlus-II GX converts energy stored in a 48V battery bank into usable 230V AC electricity for lighting, appliances, electronics and other compatible electrical loads. When integrated with suitable solar charge controllers, solar panels and battery storage, it can help provide a dependable supply of AC power.

For residential energy storage, the inverter charger can form part of a compatible home battery system, helping manage the relationship between the battery bank, incoming AC supply and connected loads. Its integrated GX functionality supports monitoring and communication with compatible Victron equipment.

In backup and emergency power systems, the MultiPlus-II GX can switch to inverter operation when the incoming AC supply is interrupted. This helps maintain power to suitable connected equipment, provided the battery bank has sufficient capacity and the installation is correctly designed.

For generator-based power systems, PowerControl and PowerAssist can help make better use of a generator with limited output capacity. The unit can limit AC input current and supplement available generator power with battery energy when required, within the configured operating limits.

The MultiPlus-II GX can also be incorporated into suitably designed marine, recreational vehicle and specialist mobile electrical systems using a compatible 48V battery bank. Its integrated monitoring and inverter charging capabilities are useful where reliable AC power and system visibility are required.

For commercial and remote installations, the unit provides a combination of inverter capacity, battery charging and communication features. Multiple compatible units can be configured for increased capacity or three-phase operation where supported by the system design.

Integrated GX Monitoring and Connectivity

A key advantage of the PMP482506000 is its built-in GX device. This provides system communication and monitoring capabilities within the inverter charger, potentially reducing the need for additional monitoring hardware in compatible installations.

The integrated GX device allows the MultiPlus-II GX to communicate with compatible Victron Energy products, including battery monitors, solar charge controllers and other system components. With a suitable network connection and configuration, users can monitor supported energy performance information and access available remote monitoring functions.

The unit also provides VE.Bus communication for system integration and compatible parallel or three-phase configurations. This makes it suitable for installations that may need to expand as power requirements increase. The specific monitoring functions and expansion options depend on the connected equipment and system configuration.

PowerControl, PowerAssist and UPS Functionality

PowerControl allows the maximum current drawn from an AC source to be limited to a configured value. This is useful when operating from a generator or a restricted shore power or grid connection, helping prevent the external supply from being overloaded.

PowerAssist helps support temporary increases in electrical demand by supplementing the available AC input with energy from the battery. This can accommodate certain loads that would otherwise exceed the configured input limit, within the capabilities of the inverter and battery system.

UPS functionality enables the MultiPlus-II GX to switch rapidly to inverter operation if the incoming AC supply fails. This helps maintain power to compatible connected equipment, although actual performance depends on battery capacity, load requirements and installation design. Uninterrupted operation cannot be guaranteed for every device or application.

Pure Sine Wave Inverter Technology

The MultiPlus-II GX converts 48V DC battery power into 230V AC electricity using pure sine wave inverter technology. This provides an AC waveform suitable for many compatible household appliances, electronic devices and professional electrical equipment.

The 5000VA rating represents apparent power, while the continuous active output is rated at 4000W at 25°C. When selecting an inverter for a particular installation, consider the normal operating consumption, power factor and starting current of connected equipment. Appliances with high startup demands may require additional capacity or careful system planning.

Integrated 70A Battery Charger

The built-in battery charger supplies up to 70A to a compatible 48V battery bank under specified operating conditions. It is designed to recharge batteries when an appropriate external AC supply is available.

Configurable charging stages include absorption, float and storage modes. The correct charging profile is essential for battery performance, reliability and service life. For lithium battery installations, confirm compatibility with the battery manufacturer's charging requirements and ensure the battery management system is suitable for the installation.

50A Automatic AC Transfer Switch

The integrated 50A AC transfer switch manages the changeover between an external AC source and inverter operation. When a suitable mains or generator supply is available, AC power can be supplied to connected loads. If the external supply fails or is disconnected, the inverter can take over supplying designated loads, subject to system configuration and available battery energy.

The 50A transfer switch rating describes the specified AC transfer capacity. It does not mean that the inverter can continuously supply 50A from battery power. Inverter output remains limited by its rated power, battery capability and operating conditions.

System Integration and Expansion

The MultiPlus-II GX supports integration with compatible Victron Energy monitoring, configuration and control equipment through its GX device and communication interfaces.

Multiple compatible units can be configured for parallel operation to increase available capacity. Supported system configurations can also provide three-phase AC power for suitable installations. Additional equipment and professional configuration may be required, depending on the intended system design.

Installation and Battery Compatibility

The MultiPlus-II GX is designed for use with a suitable 48V battery bank and compatible AC installation. Battery chemistry, charging voltages and charge-current limits must be configured according to the battery manufacturer's requirements.

Correct sizing of battery cables, protective devices, earthing, ventilation and AC wiring is essential. The unit should be installed and commissioned by a suitably qualified installer in accordance with applicable electrical regulations and the manufacturer's instructions.

For larger systems, parallel or three-phase operation requires compatible equipment, correct system design and appropriate configuration. Before installation, confirm the battery requirements, AC input capacity, cooling arrangements, mounting requirements and compatibility with other system components.

Why Choose Victron Energy?

Victron Energy is recognised for its inverter chargers, battery charging equipment and integrated energy management solutions for marine, mobile, residential and commercial applications.

The MultiPlus-II GX combines inverter power, battery charging, AC transfer and built-in system monitoring in one integrated unit. With 48V battery input, 230V AC output, a 70A battery charger, a 50A transfer switch and PowerControl and PowerAssist functionality, the PMP482506000 offers a flexible solution for demanding energy systems.

Its integrated GX connectivity makes it particularly suitable for users seeking a connected power management solution for compatible off-grid, residential energy storage, generator-backed and backup power installations.

Product Summary

The Victron Energy MultiPlus-II GX 48/5000/70-50 230V Inverter Charger (PMP482506000) is an integrated inverter charger designed to provide 230V AC power from a 48V battery bank while supporting battery charging and intelligent energy management.

Offering 5000VA inverter capacity, 4000W continuous output at 25°C, a 70A battery charger, a 50A transfer switch and built-in GX monitoring, it provides a comprehensive solution for compatible solar, off-grid, residential energy storage, generator-backed and backup power systems.

Confirm that the battery system, charging requirements, AC input capacity, installation design and required communication interfaces are suitable before purchasing.