
Voltronic 8 kW Hybrid Solar Inverter Axpert MAX II Duplex 8K
- Parallel Capability:YES, 6 units
- Selectable Voltage Range:170-280 VAC (For Personal Computers)

InvertersModel AXPERT-MAX-II-DUPLEX-11K
The Axpert MAX II Duplex 11K is an off-grid solar inverter rated 11000VA/11000W.
In stock
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K is an Inverter with a rated power of 11000 VA/11000W, 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 147.4x 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 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K is certified to CE and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Maximum Charge Current of 150A, Maximum AC Charge Current of 150A and DC Voltage of 12 VDC ±5%, 100W.
Specifications last updated 18 August 2026
| Parallel Capability | YES, 6 units |
|---|---|
| Selectable Voltage Range | 170-280 VAC (For Personal Computers) |
| AC Voltage Regulation (Batt. Mode) | 230VAC ±5% |
| Efficiency (Peak) | 93% |
| MPPT Range @ Operating Voltage | 90-450 VDC |
| Maximum PV Input Current | 27A x 2 (MAX 40A) |
| Maxmum Solar Charge Current | 150A |
| Maximum Charge Current | 150A |
| Communication Interface | USB/RS232/RS485/WiFi/Dry-contact |
| Rated Power | 11000VA/11000W |
| Surge Power | 22000VA |
| Maximum PV Array Power | 11000W (5500W x 2) |
| Maximum AC Charge Current | 150A |
| Transfer Time | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) |
| DC Voltage | 12 VDC ±5%, 100W |
| Floating Charge Voltage | 54 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Waveform | Pure sine wave |
| Compliance Safety | CE |
| Battery Voltage | 48 VDC |
|---|---|
| Overcharge Protection | 63 VDC |
| High Loss Frequency | 65±1Hz |
| High Loss Return Voltage | 270Vac±7V |
| High Loss Voltage | 280Vac±7V |
| Low Loss Frequency | 40±1Hz |
| Low Loss Return Frequency | 42±1Hz |
| Max AC Input Voltage | 300Vac |
| Nominal Input Frequency | 50Hz/60Hz (Auto detection) | 50Hz/60Hz ( |
| Output Short Circuit Protection | Line mode: Circuit Breaker (70A) Battery mode: Electronic Circuits |
| Parallel Kit | YES |
| Parallel communication | CAN |
| Start-up Voltage | 80V +/- 5Vdc |
| High DC Recovery Voltage | 61Vdc | 64Vdc |
| Low DC Cut-off Voltage | 44Vdc |
| Cold Start Voltage | 46.0Vdc |
| Input Voltage Waveform | Sinusoidal (utility or generator) Nominal |
| Overload Protection | Surge |
| Dimension, D x W x H (mm) | 147.4x 432.5 x 553.6 |
|---|---|
| Net Weight (kgs) | 18.4 |
| Humidity | 5% to 95% |
|---|---|
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K has a rated power of 11000 VA/11000W and a surge capability of 22000 VA.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K has a nominal voltage of 48 VDC and an operating voltage range of 170-280 VAC in UPS mode (For Personal Computers).
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K measures 147.4x 432.5 x 553.6 and weighs 18.4.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K operates across -10°C to 50°C and a humidity range of 5% to 95%.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K has an efficiency of 93%.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K supports a maximum PV array power of 11000W (5500W x 2), a maximum solar charge current of 150A and a maximum PV array open-circuit voltage of 500 VDC.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K has a transfer time of 10 ms in UPS mode (For Personal Computers) and an output waveform of Pure sine wave.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K provides a voltage regulation of 230 VAC ±5%.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.
Yes — the Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K supports parallel operation (YES, 6 units).
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K is certified to CE, meeting recognised international standards for safety and performance.
The Voltronic 11 kW Hybrid Solar Inverter Axpert MAX II Duplex 11K is backed by a 2-year manufacturer warranty from Voltronic Power.