Voltronic Power Axpert KING II TWIN 6KW Solar Charge Controller

Charge ControllersModel AXPERT-KING-II-TWIN-6KW

Voltronic Solar Charge Controller Axpert KING II TWIN 6KW

The Axpert KING II TWIN 6KW is a solar charge controller.

  • Input Voltage Waveform: Sinusoidal
  • Nominal Input Voltage: 230Vac
  • Low Loss Voltage: 176Vac±7V
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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)

About the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW is an Off-Grid Inverter with a maximum PV array power of 6000 W, making it a dependable choice for managing a solar array's charge into a battery bank. It accepts an operating voltage range of 110-280 VAC. It operates at an efficiency of 93% (. Its output waveform is Sinusoidal. It is rated to operate across -10°C to 50°C, with a humidity tolerance of 5% to 95%. The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW is certified to CE and is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Nominal Input Voltage of 230Vac, Low Loss Voltage of 176Vac±7V and Low Loss Return Voltage of 186Vac+7V.

Specifications last updated 17 August 2026

Voltronic Solar Charge Controller Axpert KING II TWIN 6KW full specifications

Electrical(32)

Input Voltage WaveformSinusoidal
Nominal Input Voltage230Vac
Low Loss Voltage176Vac±7V
Low Loss Return Voltage186Vac+7V
High Loss Voltage280Vac±7V
High Loss Return Voltage270Vac±7V
Max AC Input Voltage300Vac
Nominal Input Frequency50Hz/60Hz (Auto detection)
Low Loss Frequency46(56)±1Hz
Low Loss Return Frequency46.5(57)±1Hz
High Loss Frequency54(64)±1Hz
High Loss Return Frequency6KW
Power Factor>0.98
Efficiency (Line Mode)93% (
Transfer TimeInverter-to-bypass 4ms
Floating Charging Voltage54Vdc
CommunicationRS232 and Wi-Fi
Overcharge Protection66Vdc
Bypass Mode6KW
Voltage Range110-280 VAC
Line Mode94%
Maximum AC Charge Current120A
Output Short Circuit ProtectionLine mode: Circuit Breaker Battery mode: Electronic Circuits
Battery Mode92%
Surge Capacity2* rated power for 5 seconds
Nominal DC Input Voltage48Vdc
No Load Power Consumption<75W
Max. PV Array Open Circuit Voltage500Vdc
Safety CertificationCE
WaveformPure sine wave
Solar Charger typeMPPT
Maximum PV Array Power6000 W

Environmental(3)

Storage temperature-15°C~ 60°C
Humidity5% to 95%
Operating Temperature-10°C to 50°C

Downloads & support

PDFThe manufacturer's sheet, to print or share

Troubleshooting & error codes

Looking up an error code on this Voltronic Power Axpert KING II TWIN? Browse the full list of codes for this device, with the cause and recommended fix for each.

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Frequently Asked Questions

What voltage range does the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW accept?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW accepts an input voltage range of 110-280 VAC.

What is the operating temperature range of the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW operates across -10°C to 50°C and a humidity range of 5% to 95%.

What is the efficiency of the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW has an efficiency of 93% (.

What solar input can the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW handle?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW supports a maximum PV array power of 6000 W and a maximum PV array open-circuit voltage of 500 VDC.

What is the maximum charge current of the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW has a maximum charge current of 120A.

What transfer time and output waveform does the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW provide?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW has a transfer time of inverter-to-bypass 4ms and an output waveform of Sinusoidal.

What is the power quality of the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW has a power factor of >0.98.

What certifications does the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW have?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW is certified to CE, meeting recognised international standards for safety and performance.

What warranty coverage is available for the Voltronic Solar Charge Controller Axpert KING II TWIN 6KW?

The Voltronic Solar Charge Controller Axpert KING II TWIN 6KW is backed by a 2-year manufacturer warranty from Voltronic Power.

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