Voltronic Power Axpert VM 4 TWIN 4K

InvertersModel VOLTRONIC-AXPERT-VM-4-TWIN-4K

Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K

Discover the Axpert VM 4 TWIN 4K inverter by Voltronic Power with 4000VA/4000W rated power and 8000VA surge power for reliable energy solutions.

  • RATED POWER: 4000VA/4000W
  • AC Voltage Regulation (Batt. Mode): 230VAC ± 10%
  • Surge Power: 8000VA
  • Efficiency (Peak): 90% ~ 93%

Choose the RATED POWER

What sets the VOLTRONIC-AXPERT-VM-4-TWIN-4K apart from the other model in the family: RATED POWER 4000VA/4000W; Surge Power 8000VA; Battery Voltage 24 VDC; Floating Charge Voltage 27 VDC; Overcharge Protection 33 VDC; Maximum PV Array Power 5000W; Net Weight (kgs) 10.

AED 2,753incl. VAT

In stock

  • Delivered within 3 business days, door to door, to every market we serve.
  • Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
  • 2-year warranty
Full SpecificationsDownload datasheet (PDF)

Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K features

  • Dual output for smart load

    Dual output for smart load management

  • Maximum PV input current 27A

  • Wide PV input voltage range

    Wide PV input voltage range 60VDC~450VDC

  • Customizable status LED ring with

    Customizable status LED ring with RGB lights

  • Touchable button with large 4.3”

    Touchable button with large 4.3” colored LCD

  • Built-in WiFi for mobile monitoring

    Built-in WiFi for mobile monitoring (Android/iOS App available)

  • Supports USB On-the-Go function

  • Data log event stored in

    Data log event stored in the inverter

  • Reserved communication port (RS485, CAN-BUS

    Reserved communication port (RS485, CAN-BUS or RS232) for BMS

  • Battery independent design

  • Battery equalization extends lifecycle

  • Enhanced charging power

  • Built-in anti-dust kit

About the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K is an Off-Grid Inverter with a rated power of 4000 VA/4000W, making it a dependable choice for off-grid, hybrid and backup power installations. It operates at an efficiency of 90% ~ 93%. Its output waveform is Pure sine wave. The unit measures 119 x 313.6 x 457.5 and weighs 10. It is rated to operate across -10°C to 50°C, with a humidity tolerance of 5% to 95% Relative Humidity (Non-condensing). Monitoring and control are available over USB/RS232/RS485/WiFi/Dry-contact. The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Floating Charge Voltage of 27 VDC, Overcharge Protection of 33 VDC and Solar Charger type of MPPT.

Specifications last updated 23 July 2026

Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K full specifications

Electrical(17)

RATED POWER4000VA/4000W
AC Voltage Regulation (Batt. Mode)230VAC ± 10%
Surge Power8000VA
Efficiency (Peak)90% ~ 93%
Transfer Time10 ms (For Personal Computers) 20 ms (For Home Appliances)
WaveformPure sine wave
Battery Voltage24 VDC
Floating Charge Voltage27 VDC
Overcharge Protection33 VDC
Solar Charger typeMPPT
Maximum PV Array Power5000W
MPP Range @ Operating Voltage60 – 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Input Current27A
Maximum Solar Charge Current120A
Maximum AC Charge Current100A
Maximum Charge Current120A

Mechanical(3)

Dimension, D x W x H (mm)119 x 313.6 x 457.5
Net Weight (kgs)10
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact

Environmental(3)

Humidity5% to 95% Relative Humidity (Non-condensing)
Operating Temperature-10°C to 50°C
Storage Temperature-15°C to 60°C

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the rated power of the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K has a rated power of 4000 VA/4000W and a surge capability of 8000 VA.

What is the nominal voltage of the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K has a nominal voltage of 24 VDC.

What are the physical dimensions and weight of the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K measures 119 x 313.6 x 457.5 and weighs 10.

What is the operating temperature range of the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K operates across -10°C to 50°C and a humidity range of 5% to 95% Relative Humidity (Non-condensing).

What is the efficiency of the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K has an efficiency of 90% ~ 93%.

What solar input can the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K handle?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K supports a maximum PV array power of 5000W, a maximum solar charge current of 120A and a maximum PV array open-circuit voltage of 500 VDC.

What transfer time and output waveform does the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K provide?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K has a transfer time of 10 ms (For Personal Computers) 20 ms in UPS mode (For Home Appliances) and an output waveform of Pure sine wave.

How does the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K regulate voltage?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K provides a voltage regulation of 230 VAC ± 10%.

What communication options does the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K offer?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.

What warranty coverage is available for the Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K?

The Voltronic 4 kW Off-Grid Solar Inverter Axpert VM 4 TWIN 4K is backed by a 2-year manufacturer warranty from Voltronic Power.

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