Voltronic Power Axpert MAX II Duplex 8K

InvertersModel VOLTRONIC-AXPERT-MAX-II-DUPLEX-8K

Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K

Discover the Axpert MAX II Duplex 8K inverter by Voltronic Power with 8000VA/8000W rated power and 230VAC regulation for efficient energy solutions.

  • Rated Power: 8000VA/8000W
  • AC Voltage Regulation (Batt. Mode): 230VAC ± 5%
  • Surge Power: 16000VA
  • Efficiency (Peak): 93%
AED 3,200incl. 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.
  • 2-year warranty
Full SpecificationsDownload datasheet (PDF)

Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K features

  • Two independent AC power sources

    Two independent AC power sources connected and switched automatically

  • Status indication with RGB lights

  • Maximum PV input current 27A

  • Adjustable charging current for two

    Adjustable charging current for two different power sources via LCD operation and mobile APP

  • Built-in Wi-Fi for mobile monitoring

    Built-in Wi-Fi for mobile monitoring (Android/iOS App is available)

  • Supports USB On-the-Go function

  • Replaceable fan design for ease

    Replaceable fan design for ease of maintenance

  • Battery independent design

  • Configurable AC/PV output usage timer

    Configurable AC/PV output usage timer and prioritization

  • Built-in anti-dust kit

  • Built-in DC output for DC

    Built-in DC output for DC fan, LED bulb, router and so on

  • Parallel operation with 6 units

About the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K is an Off-Grid Inverter with a rated power of 8000W, making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 90 VDC 450 VDC. It operates at an efficiency of >95% (Rated R load,. Its output waveform is Sinusoidal (utility or generator) Nominal. The unit measures 147.4 x 432.5 x 553.6 and weighs 18.4. It is rated to operate across -10°C to 50°C, with a humidity tolerance of 5% to 95%. Monitoring and control are available over USB/RS232/RS485/WiFi/Dry-contact. The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K is certified to CE and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Circulation Current under No Load Condition of Max 2A, High Loss Frequency of 65±1Hz and High Loss Return Frequency of 63±1Hz.

Specifications last updated 23 July 2026

Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K full specifications

Electrical(60)

Circulation Current under No Load ConditionMax 2A
High Loss Frequency65±1Hz
High Loss Return Frequency63±1Hz
High Loss Return Voltage270Vac±7V
High Loss Voltage280Vac±7V
Low Loss Frequency40±1Hz
Low Loss Return Frequency42±1Hz
Low Loss Return Voltage180Vac±7V (UPS); 100Vac±7V (Appliances)
Low Loss Voltage170Vac±7V (UPS) 90Vac±7V (Appliances)
Max AC Input Voltage300Vac
Max. Charging Current150A
Max. Input Current27A x 2(MAX 40A)
Max. PV Array Open Circuit Voltage500Vdc
Nominal Input Voltage230Vac
Output Short Circuit ProtectionLine mode: Circuit Breaker (70A) Battery mode: Electronic Circuits
OverchargeProtection 66Vdc
PV Array MPPT Voltage Range90Vdc 450Vdc
Parallel KitYES
Parallel communicationCAN
Start-up Voltage80V +/- 5Vdc
Transfer time in parallel modeMax 50ms
Max parallel numbers6
Nominal Input Frequency50Hz/60Hz (
DC Offset≤100mV
Efficiency (Line Mode)>95% (Rated R load,
High DC Cut-off Voltage66Vdc
High DC Recovery Voltage64Vdc
Low DC Cut-off Voltage44Vdc
Max AC Input Current60A
Nominal DC Input Voltage48Vdc
Peak Efficiency93%
Rated Output Power8000W
Battery56.4Vdc
Cold Start Voltage46.0Vdc
DC VoltageDC Offset ≦100mV Power Limitation 50Vdc
Efficiency>95% ( Rated R load Line Mode
Floating Charging Voltage54Vdc
Input Voltage WaveformSinusoidal (utility or generator) Nominal
Output Frequency60Hz or 50Hz Peak
Output Voltage Regulation230Vac± 5%
Overcharge Protection66Vdc Charging Algorithm 3-Step Charging Curve Time
Overload ProtectionSurge
Rated Power8000W Max. PV Array Open Circuit
Safety CertificationCE
Transfer Time10ms typical (UPS);
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Surge Power16000VA
Efficiency (Peak)93%
WaveformPure sine wave
Battery Voltage48 VDC
Floating Charge Voltage54 VDC
Maximum PV Array Power8000W (4000W x 2)
MPPT Range @ Operating Voltage90 – 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Input Current27A x 2 (MAX 40A)
Maximum Solar Charge Current150A
Maximum AC Charge Current120A
Maximum Charge Current150A
Compliance SafetyCE
Selectable Voltage Range170-280 VAC (For Personal Computers)

Mechanical(3)

Dimension, D x W x H (mm)147.4 x 432.5 x 553.6
Net Weight (kgs)18.4
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact

Environmental(4)

Humidity5% to 95%
Operating Temperature Range-10°C to 50°C
Storage temperature-15°C~ 60°C
Operating Temperature-10°C to 50°C

Certifications(1)

  • CE

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the rated power of the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K has a rated power of 8000W and a surge capability of 16000 VA.

What voltage does the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K operate on?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K has a nominal voltage of 48 VDC and an operating voltage range of 90 VDC 450 VDC.

What are the physical dimensions and weight of the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K measures 147.4 x 432.5 x 553.6 and weighs 18.4.

What is the operating temperature range of the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K operates across -10°C to 50°C and a humidity range of 5% to 95%.

What is the efficiency of the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K has an efficiency of >95% (Rated R load,.

What solar input can the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K handle?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K supports a maximum PV array power of 8000W (4000W x 2), a maximum solar charge current of 150A and a maximum PV array open-circuit voltage of 500 VDC.

What transfer time and output waveform does the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K provide?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K has a transfer time of Max 50ms and an output waveform of Sinusoidal (utility or generator) Nominal.

How does the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K regulate voltage?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K provides a voltage regulation of 230 VAC± 5%.

What communication options does the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K offer?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.

Can multiple Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K units run in parallel?

Yes — the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K supports parallel operation (YES).

What certifications does the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K have?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K is certified to CE, meeting recognised international standards for safety and performance.

What warranty coverage is available for the Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K?

The Voltronic 8 kW Off-Grid Solar Inverter Axpert MAX II Duplex 8K is backed by a 2-year manufacturer warranty from Voltronic Power.

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