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HLG 550 V2 LED Grow Light, Samsung Quantum boards from Horticulture Lighting Group

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This unit has been updated to the Red Spec Version - Can be ordered by special order only  

The HLG 550 V2 is the most efficient SE 1000-watt HID replacement on the market!

Now with North American and European Commercial approval specs. 

FREE SAMPLE OF 60ML Mammoth P with every HLG 550 V2 Purchase (While supplies last).

The HLG 550 V2 indoor horticulture LED Lamp will replace a single-ended 1000W HID while only drawing 480 watts at the wall and exuding 1,178 umol/s with an efficacy of 2.5 umol/j!

Each HLG 550 V2 lamp uses 4 custom designed high-efficiency white light quantum boards with a total of 1152 Top-Bin Samsung LM301B LED arrays.

Top Features

  • High-efficiency custom-designed white light quantum boards with Samsung LM301B diodes
  • 3000K white-light full spectrum for optimal canopy penetration and easy viewing
  • Ideal for seedling to harvest growth 
  • Reliable passive-cooled design (no cooling fans required)
  • Optimal canopy penetration with diffused light via a large form factor
  • Optional lenses for narrower beam angle and increased intensity (Special order)
  • Dimmable high-efficiency Mean Well driver (250-500W range)
  • Available finishes: anodized aluminum
  • Designed and manufactured in the USA


Spectrum (3000K)

HLG 550 V2 LM301b Spectrum


HLG 550 V1 and V2 comparison


Lab Reports 



Model/SKU: HGL 550 V2 / hgl550v2

Wattage draw: 240-480 watts (dimmable on driver)

HID equivalent: 1000 watt single-ended HID fixture

LEDs: 1152 x Top-Bin Samsung LM301B diodes

    PPF: 1178 umol/s

    Lumens: 80,833

    PAR efficacy: 2.5 umol/j

    Coverage area:

    • Veg: 6' x 6'
    • Flower: 4.5' x 4.5' or 5' x 5'

    Expect higher intensity and more even coverage in a tent, reflective area or a cross over with multiple lamps.

    Mounting height: 

    • Flower: 18"-24"
    • Veg: 24"-36"

    Thermal management: Passive cooling

    Weight: 18 lbs (~8 kg)

    Dimensions: 26” x 20” x 3”

    Outper packaging: 29" x 24" x 6"

    Operating/input voltage: 90-277VAC; 50Hz-60Hz

    Amperage: ~4.22A @ 120V; ~2.16A @ 240V

    Finish: Clear anodized aluminum

    Product includes:

    • Fixture 240V Australia cord and plug 
    • Dimmable Mean Well driver (dimmable to 50% intensity)
    • Rope ratchet hangers
    • Sample of Mammoth P (60ML) While Supplies last.

    Recommended for:

    • Grow tents
    • Grow rooms
    • Large indoor grows
    • Vegetative growth and/or flowering
    • Full-cycle growing from seedling to flower
    • Soil, hydroponic, aeroponic, or aquaponic systems

    Manufacturer's warranty: 3-years

    Shipping From Australia to YOU ! No duty Or GST to be added if within Australia !

     Heavy Duty Adjustable Hangers Included with every HLG 550 

    NEED MORE THAN 1 Light? Contact us for Special Volume price at

    Free Shipping To New Zealand on this product - Just pay NZ Duty and Taxes upon arrival. Ask for more details at