Dual outputs, for smart load
Dual outputs, for smart load management

InvertersModel VOLTRONIC-AXPERT-KING-II-TWIN
Discover the Axpert King II TWIN inverter by Voltronic Power with 6000VA/6000W power and parallel capability for up to 9 units.
In stock
Dual outputs, for smart load management
Maximum PV input current increases to 27A
Zero (0ms) transfer time to protect mission-critical loads such as servers and ATMs
Detachable LCD control module with multiple communications
Built-in Wi-Fi for mobile monitoring (App is available)
Configurable AC/Solar input priority via LCD setting
Reserved communication port for BMS (RS485 or CAN-BUS)
Parallel operation up to 9 units
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN is an Off-Grid Inverter with a rated power of 6000 VA/6000W / 6200 VA/6200W, making it a dependable choice for off-grid, hybrid and backup power installations. It accepts an operating voltage range of 110-280 VAC. It operates at an efficiency of 93% (. Its output waveform is Pure sine wave. The unit measures 140 x 295 x 468 and weighs 12. 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 RS232, USB, Dry contact, WI-FI, RS485. The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN is certified to CE and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Frequency Range (Batt. Mode) of 50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz, Time Inverter to Bypass of 4 ms (Typical) and Line Mode of 94%.
Specifications last updated 27 March 2026
| RATED POWER | 6000VA/6000W / 6200VA/6200W |
|---|---|
| PARALLEL CAPABILITY | Up to 9 units |
| AC Voltage Regulation (Line&Batt. Mode) | 230VAC ± 5% |
| Frequency Range (Synchronized Range) | 46–54 Hz or 56–64 Hz |
| Frequency Range (Batt. Mode) | 50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz |
| Harmonic Distortion | ≤ 3 % THD (Linear Load); ≤ 5 % THD (Non-linear Load) |
| Transfer Time | 0 ms |
| Time Inverter to Bypass | 4 ms (Typical) |
| Waveform | Pure sine wave |
| Line Mode | 94% |
| ECO Mode | 98% |
| Battery Voltage | 40–66 VDC |
| Floating Charge Voltage | 54 VDC |
| Overcharge Protection | 66 VDC |
| Solar Charger type | MPPT |
| Maximum PV Array Power | 6000 W |
| MPPT Range @ Operating Voltage | 120 – 430 VDC |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Maximum Solar Charge Current | 120A / 120A |
| Maximum AC Charge Current | 120A / 120A |
|---|---|
| Communication Interface | RS232, USB, Dry contact, WI-FI, RS485 |
| Voltage Range | 110-280 VAC |
| Input Voltage Waveform | Sinusoidal |
| Low Loss Voltage | 176Vac±7V |
| Low Loss Return Voltage | 186Vac+7V |
| High Loss Voltage | 280Vac±7V |
| High Loss Return Voltage | 270Vac±7V |
| Max AC Input Voltage | 300Vac |
| Low Loss Frequency | 46(56)±1Hz |
| Low Loss Return Frequency | 46.5(57)±1Hz |
| Power Factor | >0.98 |
| Efficiency (Line Mode) | 93% ( |
| Output Short Circuit Protection | Line mode: Circuit Breaker Battery mode: Electronic Circuits |
| Battery Mode | 92% |
| Surge Capacity | 2* rated power for 5 seconds |
| Nominal DC Input Voltage | 48Vdc |
| No Load Power Consumption | <75W |
| Safety Certification | CE |
| Dimension, D x W x H (mm) | 140 x 295 x 468 |
|---|---|
| Net Weight (kgs) | 12 |
| Humidity | 5% to 95% Relative Humidity(Non-condensing) |
|---|---|
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN has a rated power of 6000 VA/6000W / 6200 VA/6200W.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN has a nominal voltage of 40–66 VDC and an operating voltage range of 110-280 VAC.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN measures 140 x 295 x 468 and weighs 12.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN operates across -10°C to 50°C and a humidity range of 5% to 95% Relative Humidity(Non-condensing).
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN has an efficiency of 93% (.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN supports a maximum PV array power of 6000 W, a maximum solar charge current of 120A / 120A and a maximum PV array open-circuit voltage of 500 VDC.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN has a transfer time of 0 ms and an output waveform of Pure sine wave.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN provides a voltage regulation of 230 VAC ± 5%.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN offers RS232, USB, Dry contact, WI-FI, RS485 connectivity for monitoring and control.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN has a power factor of >0.98 and a harmonic distortion of ≤ 3 % THD (Linear Load).
Yes — the Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN supports parallel operation (Up to 9 units).
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN is certified to CE, meeting recognised international standards for safety and performance.
The Voltronic 6.2 kW Off-Grid Solar Inverter Axpert King II TWIN is backed by a 2-year manufacturer warranty from Voltronic Power.