HLG 550 V2 Quantum Board LED Grow Light Review


A big LED board which has a full-color spectrum. The HLG Quantum Board 550 V2 LED grow light enhances photosynthesis with the usage of more green and yellow light.

HLG Quantum Board 550 V2
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Also, this LED grow light with white light technology is designed for the rapid growth of plants at different stages. Furthermore, Horticulture Lighting Group carries amazing and unique features. So, read on and let’s see what this HLG quantum board has to offer.

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Features at a glance of the HLG 550 V2

  • White light HLG quantum board
  • 480 Watt power Draw
  • Fast and rapid growth
  • Efficiency of 161 Lm/W
  • Dimmable power supply (max 480w – min 240w)
  • Full spectrum
  • Great for veg and bloom
  • 3 years warranty

All specifications and features

The HLG 550 V2 LED grow light is your next go-to light for the growing cannabis at all stages. Having 4 custom designed quantum boards by Samsung Company, this LED grow light is surely one that you can rely on. 

Quantum Board

HLG 550 V2 has custom designed quantum boards. Having LEDs from Samsung, they use white light technology to focus on the plants. Furthermore, it is assembled in the USA. 

In addition, this HLG quantum board enhances the photosynthesis process required for the germination and flowering stages. All in all, they give great canopy light penetration.

HLG Quantum Board 550 V2 LEDs 2

The biggest pro of this quantum board is the diffusion of the light. You can cover an area of 4.5 x 4.5 feet for flowering and 6 x 6 feet for the vegetative phase. This is a huge area. It fits perfectly with a 4×4 grow tent or other grow room where you need a diffused light.

Full spectrum of the HLG quantum board

The HLG 550 V2 LED grow light comes with a full spectrum light. This spectrum is at 3000k for this HLG quantum board. This full-color spectrum especially focuses on the yellow and green light (invisible to the eye). As a result, this makes it responsible for the healthy growth of veg and flowers. 

It comes with a 480w power draw that replaces a 1000w Single Ended HID. You can dim the light with the included dimmer to a minimum of 240w. 

This HLG quantum board offers a perfectly diffused full spectrum light for a large area. It is probably one of the best lights on the market when it comes to light spectrum and coverage. Therefore, I must say that this is an amazing light. My plants love it!

Cool design of the HLG 550 V2

This HLG quantum board is great in keeping itself cool. This quantum board is quite large and therefore it is easier for the light to keep itself cool. This LED grow light is one of the coolest lights on the market. 

The HLG 550 V2 is great in heat dissipation and working cool. This LED grow light does not have any fans, as it doesn’t need any. Its design is so high quality that it is perfect at keeping low temperatures.

Coverage area

HLG 550 v2 quantum board has proven itself to be one of the best when it comes to flower and vegetative footprints. It has a flower footprint of 4’ x 4’ to 4.5’ x 4.5’ as well as a veg footprint of 6’ x 6’. 

So, the HLG quantum board does a perfect job in lighting all your plants and canopies. And, it provides a good diffused light. This light is not super bright in the middle and weak at the outsides. It evenly spreads its strength over the area.

HLG Quantum Board 550 V2 LEDs

The quantum board does a great job in spreading the light. Together with the coverage area, low temperature and perfect full spectrum, this light seems perfect for every grower. The dimmable watt feature lowers down the value of the watt, what is ideal for different plants and growth stages. 


This LED grows light has a 3 years warranty. Therefore, it guarantees the quality of the light.

Other technical specifications

Power draw 240 – 480 watts
LED 1152 pieces Samsung 301B
Voltage 90-277 VAC
PPF efficacy 2.5µmo/joule
Dimensions  26’’x20’’x3’’
Efficiency 171 Lm/W
Mounting height 18-28’’
Color  3000K spectrum

For who is the HLG 550 V2 Quantum Board?

Based on HLG 550 V2 review, this is for the indoor growers who are looking for the perfect yield. It is an ideal choice for those who want to switch from HPS or MH bulbs to LED. This light is equal to a 1000w HPS.

HLG led Quantum Board rear

The HLG quantum board is a highly effective choice for those who want quality and safety. The dimmable feature lets you choose the right wattage. Also, for those looking for a white light technology, this is the best option. Keep in mind that this LED grow light is not cheap. Therefore, it is only for the professionals.

What is in the package?

The package includes:

  • HLG 550 V2 LED grow light
  • 120 V NEMA 5-15P power cord
• Sleek and bright light
• Saves power compared to HPS/HID
• Super high-quality build
• Great quality and efficiency
• Samsung LEDs
• Runs very cool
• Super lightweight
• 3 years warranty
• There is no cover for the LED boards
• Not waterproof

Still not sure what to think of the HLG 550 V2? Me and many others are very enthusiastic about this light. Check out this video review to become convinced about the capabilities of this light!

Bottom-line on the HLG LED 550 V2

All in all, this HLG 550 V2 LED grow light will blow you out with its efficiency and high quality. It has a power saving feature along great full spectrum light.

Also, the light is super lightweight, of very high quality and provides white light. The diffusion of the light is impeccable. Therefore, it provides great coverage that no other LED grow light can produce as well.

The included dimmer tops it all of and makes it a great investment in the long run for every professional indoor grower. 

Check the price of the HLG 550 V2 Quantum Board on Amazon

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