Dual outputs for smart load
Dual outputs for smart load management
InvertersModel VOLTRONIC-AXPERT-ULTRA
Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra
Discover the Voltronic Power Axpert Ultra Inverter with 8000VA/8000W rated power and 230VAC regulation for efficient energy solutions.
- Rated Power: 8-11 kW
- AC Voltage Regulation (Batt. Mode): 230VAC ± 5%
- Surge Power: 16000VA / 22000VA
- Efficiency (Peak): 93%
AED 5,200incl. 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.
- Delivery charge: free
- 2-year warranty
Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra features
Two independent AC power sources
Two independent AC power sources connected and switched automatically
Built-in current transformer sensor to
Built-in current transformer sensor to meet self-consumption application
Support external BTS (Battery Temperature
Support external BTS (Battery Temperature Sensor) detection
Built-in power status lighting indicators
Built-in 2.8” colored LCD with
Built-in 2.8” colored LCD with slide operation
Built-in Wi-Fi for mobile monitoring
Built-in Wi-Fi for mobile monitoring and OTA firmware upgrade
Supports USB On-the-Go function
Reserved communication port for BMS
Reserved communication port for BMS (RS485, CAN-BUS or RS232)
Support optional GFCI, Rapid shutdown,
Support optional GFCI, Rapid shutdown, AFCI detections
Parallel operation with 6 units
About the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra is an Off-Grid Inverter with a rated power of 8000 VA/8000W / 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 145 x 438 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% Relative Humidity(Non-condensing). Monitoring and control are available over USB/RS232/RS485/WiFi/Dry-contact/BTS. The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra is certified to CE 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 27 March 2026
Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra full specifications
Electrical(23)
| Rated Power | 8000VA/8000W / 11000VA/11000W |
|---|---|
| AC Voltage Regulation (Batt. Mode) | 230VAC ± 5% |
| Surge Power | 16000VA / 22000VA |
| Efficiency (Peak) | 93% |
| Transfer Time | 10 ms (For Personal Computers) / 20 ms (For Home Appliances) |
| Waveform | Pure sine wave |
| Battery Voltage | 48 VDC |
| Floating Charge Voltage | 54 VDC |
| Overcharge Protection | 63 VDC |
| Solar Charger Type | MPPT |
| Maximum PV Array Power | 10000W (5000W x 2) / 12000W (6000W x 2) |
| MPPT Range @ Operating Voltage | 90 – 450 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
|---|---|
| Maximum PV Input Current | 27A x 2 (MAX 40A) |
| Maximum Solar Charge Current | 150A |
| Maximum AC Charge Current | 120A |
| Maximum Charge Current | 150A |
| Communication Interface | USB/RS232/RS485/WiFi/Dry-contact/BTS |
| Current Sensor | Yes, built-in current transformer sensor |
| Compliance Safety | CE |
| Parallel Capability | YES, 6 units |
| Selectable Voltage Range | 170-280 VAC (For Personal Computers) |
| External Current Sensor Port | Yes, built-in current transformer sensor |
Mechanical(2)
| Dimension, D x W x H (mm) | 145 x 438 x 553.6 |
|---|---|
| Net Weight (kgs) | 18.4 |
Environmental(3)
| Humidity | 5% to 95% Relative Humidity(Non-condensing) |
|---|---|
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
Certifications(1)
- CE
Downloads & support
Frequently Asked Questions
What is the rated power of the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra has a rated power of 8000 VA/8000W / 11000 VA/11000W and a surge capability of 16000 VA / 22000 VA.
What voltage does the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra operate on?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra 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 11 kW Off-Grid Solar Inverter Axpert Ultra?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra measures 145 x 438 x 553.6 and weighs 18.4.
What is the operating temperature range of the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra 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 11 kW Off-Grid Solar Inverter Axpert Ultra?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra has an efficiency of 93%.
What solar input can the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra handle?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra supports a maximum PV array power of 10000W (5000W x 2) / 12000W (6000W 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 Ultra provide?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra has a transfer time of 10 ms (For Personal Computers) / 20 ms in UPS mode (For Home Appliances) and an output waveform of Pure sine wave.
How does the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra regulate voltage?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra provides a voltage regulation of 230 VAC ± 5%.
What communication options does the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra offer?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra offers USB/RS232/RS485/WiFi/Dry-contact/BTS connectivity for monitoring and control.
Can multiple Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra units run in parallel?
Yes — the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra supports parallel operation (YES, 6 units).
What certifications does the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra have?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra is certified to CE, meeting recognised international standards for safety and performance.
What warranty coverage is available for the Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra?
The Voltronic 11 kW Off-Grid Solar Inverter Axpert Ultra is backed by a 2-year manufacturer warranty from Voltronic Power.
Customer reviews
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