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Description
Knox Argon VM II 4000 3KW Off Grid Solar Inverter With PV 4000WKnox Argon VM II 4000 3KW Off Grid Solar Inverter with PV 4000W The Knox Argon VM II 4000 is an efficient off grid solar inverter designed for small to medium off grid solar systems. Featuring a robust IP21 rated design, it ensures reliable indoor use with easy installation and live monitoring capabilities. Key Features IP21 rated Design for Indoor Use: Ideal for protected indoor environments, ensuring durability and safety with resistance to dust and
Knox Argon VM II 4000 3KW Off-Grid Solar Inverter with PV 4000W
The Knox Argon VM II 4000 is an efficient off-grid solar inverter designed for small to medium off-grid solar systems. Featuring a robust IP21-rated design, it ensures reliable indoor use with easy installation and live monitoring capabilities.
Key Features
- IP21-rated Design for Indoor Use: Ideal for protected indoor environments, ensuring durability and safety with resistance to dust and water splashes.
- 4000W PV Input: Perfect for bifacial solar panels, enabling higher energy generation and better performance in various lighting conditions.
- Wide MPPT Voltage Range (60 – 450V): Provides flexibility in solar panel selection and ensures efficient energy conversion across a variety of system setups.
- Quick & Easy Installation: Designed for fast and simple installation using standard tools, saving both time and effort.
- Easy Commissioning & Monitoring: Equipped with an LED screen for live monitoring, providing real-time access to system performance and settings.
The Knox Argon VM II 4000 is a reliable choice for off-grid solar power applications, offering ease of use, high efficiency, and durable performance.
Technical Data Sheet:
| 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) | 230VAC ± 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 |
| 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 | 450VDC |
| Maximum PV Array Power | 4000W |
| MPP Range @ Operating Voltage | 60 ~ 400 VDC |
| Maximum Solar Charge Current | 100 A |
| Maximum AC Charge Current | 80A |
| Maximum Charge Current | 100A |
| PHYSICAL | |
| Dimension, D x W x H (mm) | 120 x 300 x 440 |
| Net Weight (kgs) | 10 |
| Communication Interface | RS232/RS485, optional WiFi |
| ENVIRONMENT | ENVIRONMENT |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Best option for Sim Racing Ambient Lighting
Item Package Quantity: 2
I picked up these Light Bars from Govee specifically for my sim racing setup to be used for ambient lighting, and they’ve exceeded expectations.
The RGBIC technology is the standout feature. Being able to display multiple colors on each bar at the same time makes the lighting effects far more dynamic than standard RGB strips. During races, the lighting reacts smoothly to telemetry data—RPM, flags, rev limiter, and speed shifts all translate into immersive ambient effects that genuinely add to the experience.
Setup was straightforward, but the real highlight was the seamless SimHub integration. Configuration was quick, and the light bars responded immediately once connected. No complicated workarounds, no lag—just clean, real-time feedback. If you're already using SimHub for dashboards or bass shakers, these integrate perfectly into that ecosystem.
Brightness is more than enough for ambient lighting without being distracting, and the diffusion along the 31-inch bars keeps everything looking clean and professional—no visible LED hotspots. The WiFi connectivity has been stable, and the app gives you plenty of customization options outside of racing as well.
For anyone building a sim rig and wanting that extra layer of immersion, these are absolutely worth it.
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Reviewed in the United States on March 3, 2026
★★★★★ 4
GREAT way to view TV
On initial set up and use of just few days I love this little light bar
I'm 74 and I set this up in less than 10 min. Playing with Govee App took about same time for basic functions.
The backlighting is great and now my room is lighted during night when I sleepwalk to bathroom.
I'll decide later if I want to use adhesive pads. Currently it just sits on TV stand behind TV.
All in all it's great! I would definitely buy again and highly recommend.
Colors in photos are actually less bright in my room. The Govee App allows many many color variations. Just set up and create color palate for favorite colors and patterns. Eezee Peezee
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Reviewed in the United States on March 13, 2025
★★★★★ 5
Most Elegant Buy
Item Package Quantity: 2
Perfect, beautiful designs. Room submerges in colors. Easily installation, plug in and download app. Works perfectly -programs easy. Most compatible to the app.
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Reviewed in the United States on June 30, 2025
★★★★★ 5
Outstanding TV backlight edition
Item Package Quantity: 2, Item Package Quantity: 2
This is an excellent addition to a TV backlight. If you go into the GOVEE app you can sync this device to a TV backlight with a camera. You can add up to five lights.
I recommend this for either a TV backlight or general ambience in the room at night.
UPDATE 2025: I actually have 4 of these.
3 of them I synced with the TV strip light/camera using the GOVEE app for TV watching.
The 4th one I use is on ambience lamp.
These are made very durable/easy to set up. These things are not cheaply made
I highly recommend
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Reviewed in the United States on March 30, 2025
★★★★★ 5
Look nice and were an easy setup.
Item Package Quantity: 2
Simple and do what they are supposed to do. I use them to add a bit of flare to my desktop setup for online meetings, etc. If I had to nitpick, I'd say cabling is always interesting to route to reduce desk clutter, but I am not going to remove a star for what pretty much has to be. They look nice too.
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Reviewed in the United States on February 22, 2026