Voltronic Power Axpert MAX TWIN 12K

InvertersModel VOLTRONIC-AXPERT-MAX-TWIN-12K

Voltronic Off-Grid Solar Inverter Axpert MAX TWIN 12K

Discover the Axpert MAX TWIN 12K inverter by Voltronic Power with 230VAC regulation, 24000VA surge power, and 95% efficiency.

  • Voltage (Batt. Mode): 230VAC ± 5%
  • Surge Power: 24000VA
  • Efficiency (Peak): 93%

Choose the Rated Output Power

What sets the VOLTRONIC-AXPERT-MAX-TWIN-12K apart from the other 2 models in the family: Optional DC Voltage N/A; High DC Cut-off Voltage 66Vdc; High DC Recovery Voltage 64Vdc; Overcharge Protection 63 VDC; Rated Output Power 12000W; Rated Power 12000W; Start-up Voltage 80V +/- 5Vdc; Transfer Time 10 ms (For Personal Computers), 20 ms (For Home Appliances).

AED 3,500incl. 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 Off-Grid Solar Inverter Axpert MAX TWIN 12K features

  • 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

  • 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

  • Optional DC output for DC

    Optional DC output for DC fan, LED bulb, router and so on

  • Parallel operation with 6 units

About the Voltronic Off-Grid Solar Inverter Axpert MAX TWIN 12K

The Voltronic Off-Grid Solar Inverter Axpert MAX TWIN 12K is an Off-Grid Inverter with a rated power of 12000W, 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 93%. Its output waveform is Pure sine wave. The unit measures 147.4 x 432.5 x 553.6 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 Off-Grid Solar Inverter Axpert MAX 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 Circulation Current under No Load Condition of Max 2A, DC Offset of ≤100mV and Floating Charging Voltage of 54Vdc.

Specifications last updated 23 July 2026

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

Electrical(59)

Circulation Current under No Load ConditionMax 2A
DC Offset≤100mV
Floating Charging Voltage54Vdc
High DC Cut-off Voltage66Vdc
High DC Recovery Voltage64Vdc
Low DC Cut-off Voltage44Vdc
Max. Charging Current120A
Max. Input Current27A x 2 (MAX 40A)
Max. PV Array Open Circuit Voltage500Vdc
Nominal DC Input Voltage48Vdc
PV Array MPPT Voltage Range90Vdc 450Vdc
Parallel KitYES
Parallel communicationCAN
Peak Efficiency93%
Rated Output Power12000W
Rated Power12000W
Start-up Voltage80V +/- 5Vdc
Transfer time in parallel modeMax 50ms
Max parallel numbers6
Optional DC VoltageN/A
Parallel CapabilityYES, 6 units
Selectable Voltage Range170-280 VAC (For Personal Computers)
Efficiency (Line Mode)>95% (Rated R load, battery full charged)
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 Current60A
Max AC Input Voltage300Vac
Max Output Current for 2nd output40A
Nominal Input Frequency50Hz/60Hz (Auto detection)
Nominal Input Voltage230Vac
Output Short Circuit ProtectionLine mode: Circuit Breaker (70A) Battery mode: Electronic Circuits
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
VoltageN/A
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
Charging Current150A UPS
Input Voltage WaveformSinusoidal (utility or generator) Nominal
Overload ProtectionSurge
Safety CertificationCE

Mechanical(3)

Dimension, D x W x H (mm)147.4 x 432.5 x 553.6
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 Off-Grid Solar Inverter Axpert MAX TWIN 12K?

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

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

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

The Voltronic Off-Grid Solar Inverter Axpert MAX TWIN 12K measures 147.4 x 432.5 x 553.6 and weighs 20.

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

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

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

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

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

The Voltronic Off-Grid Solar Inverter Axpert MAX TWIN 12K has a transfer time of Max 50ms and an output waveform of Pure sine wave.

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

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

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

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

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

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

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

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

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

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