Capital City Hydroponics on Facebook

HLG 550 V2 Grow Light

Our HLG550 V2 Commercial Indoor Horticulture LED grow light is designed to replace a single-ended 1000 watt HID. Each HLG-550 V2 uses 4 of our custom designed full-spectrum high efficiency white light quantum boards with LM301B top-bin Samsung LED diodes.  This unit is dimmable, with wattage output from 200 to 480 watts.


  • High efficiency white light quantum boards
  • Full-spectrum for better restults
  • Reliable passive-cooled design
  • Better canopy light penetration with diffused light
  • Ideal for veg and bloom(3000K), or for vegging only (4000K)
  • Dimmable power supply included
  • Auto sensing power supply works on both 120VAC and 240VAC
  • 3-year warranty
  • Higher intensity and more even coverage in a grow tent, reflective are, or by crossing over using multiple HLG-550 V2 lamps.


Power ~ 240-480 Watts

Voltage Range ~ 90-277 VAC

LED ~ 1152 pcs Samsung 301B

Flowering Footprint ~ 4.5' x 4.5' or 4' x 5' at 24'

Veg Footprint ~ 6' x 6' at 36"

System Efficiency ~ 171 Lm/W

System PPF Efficacy ~ 2.5 μmol/joule

Total Output ~ 1178.05 PPF

Dimensions ~ 26"x20"x3"

Recommended Mounting Height ~ 22-32 inches above canopy