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Knox Argon VM II 4000 – Off-Grid Inverter with Charger (Argon Series, Battery Independent)

105,000.00

  • Rated Power: 4000VA / 4000W
  • Output Waveform: Pure Sine Wave
  • AC Input Voltage Range: 170–280VAC
  • PV Input Voltage Range: 60VDC – 450VDC
  • Maximum PV Charging Current: 100A
  • Battery System Voltage: 48VDC (battery independent design)
  • Surge Power: 8000VA
  • Efficiency (Peak): 93%
  • Communication Port: Reserved BMS / RS232 / USB
  • Protection: Overload, short-circuit, over-temperature

The Knox Argon VM II 4000 is a high-performance off-grid solar inverter designed for users who need reliability, flexibility, and long-term efficiency. Belonging to the advanced Argon series, this inverter combines smart design with powerful functionality, making it ideal for both residential and commercial solar power systems.

With its pure sine wave output, the Knox Argon VM II 4000 ensures stable and clean power for sensitive electronics, preventing damage and improving overall system performance. The wide PV input range allows compatibility with various solar panel configurations, ensuring easy integration and scalability.

One of its most innovative features is the battery-independent design, which means the inverter can operate directly with solar panels without requiring a battery connection. This makes it an excellent choice for users looking for cost-effective and maintenance-free solutions. For setups using batteries, the built-in battery equalization function helps optimize performance, extend battery lifecycle, and reduce maintenance needs.

The inverter is designed with user convenience in mind, offering easy installation, simple operation, and a built-in anti-dust kit to protect internal components in challenging environments. It also includes a reserved communication port for BMS, enabling smart monitoring and management of energy storage systems.

Whether you are setting up a new solar system or upgrading an existing one, the Knox Argon VM II 4000 solar inverter provides a dependable, user-friendly, and energy-efficient solution for off-grid living.

Technical specifications:

Knox Argon VM II 4000 Specifications
Model
Rated Power 3000VA / 3000W
Input
Voltage 230 VAC
Selectable Voltage Range 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances)
Frequency Range 50 Hz / 60 Hz (Auto sensing)
Output
AC Voltage Regulation (Batt. Mode) 230 VAC ± 5%
Surge Power 6000VA
Efficiency (Peak) 93%
Transfer Time 10 ms (For Personal Computers); 20 ms (For Home Appliances)
Waveform Pure sine wave
Battery
Battery Voltage 24 VDC
Floating Charge Voltage 27 VDC
Overcharge Protection 32 VDC
Solar Charger & AC Charger
Solar Charger Type MPPT
Maximum PV Array Open Circuit Voltage 450 VDC
Maximum PV Array Power 4000W
MPP Range @ Operating Voltage 60 ~ 400 VDC
Maximum Solar Charge Current 100 A
Maximum AC Charge Current 100 A
Maximum Charge Current 100 A
Physical
Dimension (D x W x H) 110 x 288 x 390 mm
Net Weight 7.2 kg
Communication Interface RS232 / RS485, optional WiFi
Environment
Humidity 5% to 95% Relative Humidity (Non-condensing)
Operating Temperature -10°C to 50°C
Storage Temperature -15°C to 60°C

 

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