Voltronic Power Axpert MAX II TWIN 12K

InvertersModel VOLTRONIC-AXPERT-MAX-II-TWIN-12K

Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K

Discover the Voltronic Power Axpert MAX II TWIN 12K inverter with 12000VA/12000W power and 230VAC regulation for efficient energy solutions.

  • Rated Power: 12000VA/12000W
  • AC Voltage Regulation (Batt. Mode): 230VAC ± 5%
  • Surge Power: 24000VA
  • Efficiency (Peak): 93%
AED 2,900incl. 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 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K features

  • Increased PV power

  • Touchable button with 5" color

    Touchable button with 5" color LCD

  • Status indication with RGB lights

  • Dual outputs for smart load

    Dual outputs for smart load management

  • Built-in WiFi with APP for

    Built-in WiFi with APP for mobile monitoring and OTA firmware upgrade

  • Supports USB On-the-Go function

  • Built-in BMS communication port

  • Built-in meter calibration for optimized

    Built-in meter calibration for optimized system operation

  • Battery independent design

  • 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 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K is an Off-Grid Inverter with a rated power of 12000 VA/12000W, making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 170-280 VAC in UPS mode (For Personal Computers). It operates at an efficiency of 93%. Its output waveform is Pure sine wave. The unit measures 158.4 x 503.6 x 530.8 and weighs 20. 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 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K is certified to IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11 and 61000-3-12 and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Floating Charge Voltage of 54 VDC, Overcharge Protection of 63 VDC and Solar Charger Type of MPPT.

Specifications last updated 23 July 2026

Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K full specifications

Electrical(39)

Rated Power12000VA/12000W
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Surge Power24000VA
Efficiency (Peak)93%
Transfer Time10 ms (For Personal Computers) ; 20 ms (For Home Appliances)
WaveformPure sine wave
Battery Voltage48 VDC
Floating Charge Voltage54 VDC
Overcharge Protection63 VDC
Solar Charger TypeMPPT
Maximum PV Array Power18000W (Max. 12000W per tracker)
MPPT Range @ Operating Voltage90 – 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Input Current40A/27A (MAX 60A)
Maximum Solar Charge Current200A
Maximum AC Charge Current200A
Maximum Charge Current200A
Compliance SafetyIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12
High Loss Frequency65±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
Nominal Input Frequency50Hz/60Hz (Auto detection)
Output Short Circuit ProtectionLine mode: Circuit Breaker (70A) Battery mode: Electronic Circuits
Start-up Voltage80V +/- 5Vdc
Low DC Cut-off Voltage44Vdc
Charging Current150A UPS
Cold Start Voltage46.0Vdc
Input Voltage WaveformSinusoidal (utility or generator) Nominal
OutputCharge Time to
Overload ProtectionSurge
Safety CertificationCE
Parallel KitYES
Parallel communicationCAN
Selectable Voltage Range170-280 VAC (For Personal Computers)

Mechanical(3)

Dimension, D x W x H (mm)158.4 x 503.6 x 530.8
Net Weight (kgs)20
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

Certifications(10)

  • IEC 62109
  • IEC 61683
  • EN 61000-6-2
  • IEC 61000-6-2
  • EN 61000-6-4
  • IEC 61000-6-4
  • EN 61000-3-11
  • IEC 61000-3-11
  • EN 61000-3-12
  • IEC 61000-3-12

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the rated power of the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K has a rated power of 12000 VA/12000W and a surge capability of 24000 VA.

What voltage does the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K operate on?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K has a nominal voltage of 48 VDC and an operating voltage range of 170-280 VAC in UPS mode (For Personal Computers).

What are the physical dimensions and weight of the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K measures 158.4 x 503.6 x 530.8 and weighs 20.

What is the operating temperature range of the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K 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 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K has an efficiency of 93%.

What solar input can the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K handle?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K supports a maximum PV array power of 18000W (Max. 12000W per tracker), a maximum solar charge current of 200A and a maximum PV array open-circuit voltage of 500 VDC.

What transfer time and output waveform does the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K provide?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K has a transfer time of 10 ms in UPS mode (For Personal Computers) and an output waveform of Pure sine wave.

How does the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K regulate voltage?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K provides a voltage regulation of 230 VAC ± 5%.

What communication options does the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K offer?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.

Can multiple Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K units run in parallel?

Yes — the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K supports parallel operation (YES).

What certifications does the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K have?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K is certified to IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11 and 61000-3-12, meeting recognised international standards for safety and performance.

What warranty coverage is available for the Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K?

The Voltronic 12 kW Off-Grid Solar Inverter Axpert MAX II TWIN 12K is backed by a 2-year manufacturer warranty from Voltronic Power.

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