Voltronic Power Axpert VM II Premium 2.5K

InvertersModel Axpert VM II Premium 2.5K

Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K

Discover the Axpert VM II Premium 2.5K Inverter by Voltronic Power with 2500VA/2500W rated power and 230VAC ± 5% voltage regulation.

  • Rated Power: 2500VA/2500W
  • Voltage (Batt. Mode): 230VAC ± 5%
  • Efficiency (Peak): 93%
AED 2,200incl. 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.
  • Delivery charge: AED 35
  • 2-year warranty
Full SpecificationsDownload datasheet (PDF)

Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K features

  • Pure sine wave solar inverter

  • Reserved communication port for BMS

  • Battery independent design

  • Maximum charging current 100A

  • Battery equalization function to optimize

    Battery equalization function to optimize battery performance and extend lifecycle

  • Built-in anti-dust kit

About the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K is an Off-Grid Inverter with a rated power of 2500 VA/2500 W, making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 90-280 VAC.. It operates at an efficiency of >95% (Rated R load. Its output waveform is Sinusoidal (utility or generator). The unit measures 110 x 288 x 390 and weighs 7.0. 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 RS232/RS485, optional WiFi. The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K is certified to N/A and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list PV Voltage Accuracy of 2V, High Loss Frequency of 65±1Hz and High Loss Return Frequency of 63±1Hz.

Specifications last updated 27 March 2026

Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K full specifications

Electrical(42)

Default Charging Current60A
PV Voltage Accuracy2V
Efficiency (Line Mode)>95% (Rated R load
High Loss Frequency65±1Hz
High Loss Return Frequency63±1Hz
High Loss Return Voltage270Vac±7V
High Loss Voltage280Vac±7V
Input Voltage WaveformSinusoidal (utility or generator)
Low Loss Frequency40±1Hz
Low Loss Return Frequency42±1Hz
Low Loss Return Voltage100Vac±7V (Appliances)
Max AC Input Voltage300Vac
Nominal DC Input Voltage24Vdc
Nominal Input Frequency50Hz/60Hz (Auto detection)
Nominal Input Voltage230Vac
OutputPV
Output Frequency50Hz or 60Hz
Peak Efficiency90%
Voltage Range90-280VAC.
Battery28.2
Cold Start Voltage23.0Vdc
Floating Charging Voltage27Vdc
Output Voltage Regulation230Vac± 5%
Output Voltage WaveformPure Sine Wave
Safety CertificationCE
Rated Power2500VA/2500W
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Surge Power5000VA
Efficiency (Peak)93%
Transfer Time20 ms (For Home Appliances)
WaveformPure sine wave
Battery Voltage24 VDC
Floating Charge Voltage27 VDC
Overcharge Protection32 VDC
Solar Charger TypeMPPT
Maximum PV Array Open Circuit Voltage450 VDC
Maximum PV Array Power3000W
Maximum PV Input Current18A
MPP Range @ Operating Voltage30 ~ 400 VDC (30 ~ 60VDC with battery connected)
Maximum Solar Charge Current100 A
Maximum AC Charge Current60A
Maximum Charge Current100A

Mechanical(4)

Dimension, D x W x H (mm)110 x 288 x 390
Net Weight (kgs)7.0
Weight7.0
Communication InterfaceRS232/RS485, optional WiFi

Environmental(3)

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

Certifications(2)

  • N
  • A

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the rated power of the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K has a rated power of 2500 VA/2500 W and a surge capability of 5000 VA.

What voltage does the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K operate on?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K has a nominal voltage of 24 VDC and an operating voltage range of 90-280 VAC..

What are the physical dimensions and weight of the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K measures 110 x 288 x 390 and weighs 7.0.

What is the operating temperature range of the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K 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 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K has an efficiency of >95% (Rated R load.

What solar input can the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K handle?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K supports a maximum PV array power of 3000W, a maximum solar charge current of 100 A and a maximum PV array open-circuit voltage of 450 VDC.

What transfer time and output waveform does the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K provide?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K has a transfer time of 20 ms in UPS mode (For Home Appliances) and an output waveform of Sinusoidal (utility or generator).

How does the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K regulate voltage?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K provides a voltage regulation of 230 VAC± 5%.

What communication options does the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K offer?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K offers RS232/RS485, optional WiFi connectivity for monitoring and control.

What certifications does the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K have?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K is certified to N/A, meeting recognised international standards for safety and performance.

What warranty coverage is available for the Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K?

The Voltronic 2.5 kW Off-Grid Solar Inverter Axpert VM II Premium 2.5K is backed by a 2-year manufacturer warranty from Voltronic Power.

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