HLG 550 PHASE OUT MODEL
(3 Year warranty is still in effect)
Click here to order the latest upgrade model, the NEW HLG 600.
Our HLG 550 V2 Rspec® Commercial Indoor Horticulture LED grow light is designed to replace a single-ended 1000 watt HID. Each HLG 550 V2 Rspec® uses 4 of our custom designed full spectrum high efficiency white light Quantum Boards® with Samsung LM301H and Deep Red LED 660nm . This unit is dimmable, with wattage output from 200 to 500 watts.
DOWNLOAD HLG 550 V2 R SPEC MANUAL
HLG 550 V2 Independent Lab Reports
View Report for Output/Efficiency
Top Features
- High efficiency white light Quantum Boards®
- Full Spectrum White and 660nm Red
- Reliable passive-cooled design
- Better canopy light penetration with diffused light
- Dimmable power supply included
- Auto sensing Inventronics power supply works on both 120VAC and 240VAC and 277VAC
- 3 Year warranty
- Higher intensity and more even coverage in a grow tent, reflective area, or by crossing over using multiple HLG-550 V2 lamps.
Specifications
Power | 40-500 Watts |
Voltage Range | 100-277 VAC 50-60Hz |
LED | Samsung LM301H & Deep Red |
Flowering Footprint | 4.5' x 4.5' or 4' x 5' at 24" |
Veg Footprint | 6' x 6' at 36” |
System PPF Efficacy | 2.65 μmol/joule |
Total output | 1293 PPF |
Dimensions | 26" x 20" x 4" |
Recommended Mounting Height | 24-32 inches above canopy |
Watts to BTU Calculator, Cooling Requirement Calculator
Report for PPFD 24 inches 5' x 5'
Report for PPFD 18 inches 5' x 5'
Expect higher intensity and more even coverage in a grow tent, reflective area or a cross over with multiple lamps.
Check HLG 550 V2 Bspec for Veg spectrum option

Conforms to UL Std 1598
Certified to CSA Std C22.2#250.0
Expect higher intensity and more even coverage in a grow tent, reflective area or a cross over with multiple lamps.
All domestic orders ship in 1-4 business days. International orders ship in 5-10 business days.