
InvertersModel VOLTRONIC-AXPERT-MAX-E-TWIN-11K
Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K
Discover the Axpert MAX E TWIN 11K inverter by Voltronic Power with 230VAC regulation, 22000VA surge power, and 95% efficiency.
- Voltage (Batt. Mode): 230VAC ± 5%
- Surge Power: 22000VA
- Efficiency (Peak): 93%
Choose the Rated Output Power
What sets the VOLTRONIC-AXPERT-MAX-E-TWIN-11K apart from the other 2 models in the family: Optional DC Voltage N/A; High DC Cut-off Voltage 63Vdc; High DC Recovery Voltage 61Vdc; Overcharge Protection 63Vdc Charging Algorithm 3-Step Charging Curve Time; Rated Output Power 11000W; Rated Power 11000W Max. PV Array Open Circuit; Start-up Voltage 80V +/- 5Vdc Power Limitation PV Current MPPT temperature 75° 80°; Transfer Time 10ms typical (UPS);.
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
Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K features
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 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K is an Off-Grid Inverter with a rated power of 11000W, 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, battery full charged). 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 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K 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, Low DC Cut-off Voltage of 44Vdc and Max. Input Current of 27A x 2 (MAX 40A).
Specifications last updated 23 July 2026
Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K full specifications
Electrical(65)
| Circulation Current under No Load Condition | Max 2A |
|---|---|
| Low DC Cut-off Voltage | 44Vdc |
| Max. Charging Current | 120A |
| Max. Input Current | 27A x 2 (MAX 40A) |
| Max. PV Array Open Circuit Voltage | 500Vdc |
| Nominal DC Input Voltage | 48Vdc |
| PV Array MPPT Voltage Range | 90Vdc 450Vdc |
| Parallel Kit | YES |
| Parallel communication | CAN |
| Power Unbalance Ratio | <5% 100% Load |
| Transfer time in parallel mode | Max 50ms |
| Max parallel numbers | 6 |
| Optional DC Voltage | N/A |
| Parallel Capability | YES, 6 units |
| Selectable Voltage Range | 170-280 VAC (For Personal Computers) |
| DC Offset | ≤100mV |
| Efficiency (Line Mode) | >95% (Rated R load, battery full charged) |
| High DC Cut-off Voltage | 63Vdc |
| High DC Recovery Voltage | 61Vdc |
| High Loss Frequency | 65±1Hz |
| High Loss Return Frequency | 63±1Hz |
| High Loss Return Voltage | 270Vac±7V |
| High Loss Voltage | 280Vac±7V |
| Low Loss Frequency | 40±1Hz |
| Low Loss Return Frequency | 42±1Hz |
| Low Loss Return Voltage | 180Vac±7V (UPS); 100Vac±7V (Appliances) |
| Low Loss Voltage | 170Vac±7V (UPS) 90Vac±7V (Appliances) |
| Max AC Input Current | 60A |
| Max AC Input Voltage | 300Vac |
| Max Output Current for 2nd output | 40A |
| Nominal Input Frequency | 50Hz/60Hz (Auto detection) |
| Nominal Input Voltage | 230Vac |
| Output Short Circuit Protection | Line mode: Circuit Breaker (70A) Battery mode: Electronic Circuits |
| Peak Efficiency | 93% |
|---|---|
| Battery | 56.4Vdc |
| Charging Current | 150A UPS |
| DC Voltage | DC Offset ≦100mV Power Limitation 55Vdc |
| Efficiency | >95% ( Rated R load Line Mode |
| Floating Charging Voltage | 54Vdc |
| Input Voltage Waveform | Sinusoidal (utility or generator) Nominal |
| Output Frequency | 60Hz or 50Hz Peak |
| Output Voltage Regulation | 230Vac± 5% |
| Overcharge Protection | 63Vdc Charging Algorithm 3-Step Charging Curve Time |
| Overload Protection | Surge |
| Rated Output Power | 11000W |
| Rated Power | 11000W Max. PV Array Open Circuit |
| Safety Certification | CE |
| Start-up Voltage | 80V +/- 5Vdc Power Limitation PV Current MPPT temperature 75° 80° |
| Transfer Time | 10ms typical (UPS); |
| AC Voltage Regulation (Batt. Mode) | 230VAC ± 5% |
| Surge Power | 22000VA |
| Efficiency (Peak) | 93% |
| Waveform | Pure sine wave |
| Voltage | N/A |
| Battery Voltage | 48 VDC |
| Floating Charge Voltage | 54 VDC |
| Solar Charger Type | MPPT |
| Maximum PV Array Power | 13000W (6500W x 2) |
| MPPT Range @ Operating Voltage | 90 – 450 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Maximum PV Input Current | 40A/27A (MAX 60A) |
| Maximum Solar Charge Current | 150A |
| Maximum AC Charge Current | 150A |
| Maximum Charge Current | 150A |
| Compliance Safety | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 |
Mechanical(3)
| Dimension, D x W x H (mm) | 147.4 x 432.5 x 553.6 |
|---|---|
| Net Weight (kgs) | 18.4 |
| Communication Interface | USB/RS232/RS485/WiFi/Dry-contact |
Environmental(4)
| Humidity | 5% to 95% |
|---|---|
| Operating Temperature Range | -10°C to 50°C |
| Storage temperature | -15°C~ 60°C |
| Operating Temperature | -10°C to 50°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
Frequently Asked Questions
What is the rated power of the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K has a rated power of 11000W and a surge capability of 22000 VA.
What voltage does the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K operate on?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K 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 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K measures 147.4 x 432.5 x 553.6 and weighs 18.4.
What is the operating temperature range of the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K operates across -10°C to 50°C and a humidity range of 5% to 95%.
What is the efficiency of the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K has an efficiency of >95% (Rated R load, battery full charged).
What solar input can the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K handle?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K supports a maximum PV array power of 13000W (6500W 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 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K provide?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K has a transfer time of Max 50ms and an output waveform of Sinusoidal (utility or generator) Nominal.
How does the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K regulate voltage?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K provides a voltage regulation of 230 VAC± 5%.
What communication options does the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K offer?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K offers USB/RS232/RS485/WiFi/Dry-contact connectivity for monitoring and control.
Can multiple Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K units run in parallel?
Yes — the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K supports parallel operation (YES).
What certifications does the Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K have?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K 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 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert MAX E TWIN 11K is backed by a 2-year manufacturer warranty from Voltronic Power.





