Horticulture Lighting Group 260 Watt Quantum Board LED Kit

Pre-Order - Estimated Shipping August 21st.


260 Watt Lamp Kit. High Efficiency 2x QB288 or 2x QB304 depending on availability.

Equivalent to a 500 Watt HPS, two of these will replace a 1000 Watt Gavita single ended grow light. Three of these kits equal a double ended 1000 Watt Gavita! 

 - "Everything you need to build your own high performance LED grow light is included in the kit. And if you want a kit without the assembly, have us build and test it for you. Either way, you'll be ready to grow, even on a tight budget."

General Spectrum Info:

3000k - Is Great for Flowering and General Use.
4000k - Is Great for Vegetative Phase or as a Primary Veggie Light.

Custom configurations are available upon request, just contact us with your configuration.


  • Dimmable: 135-285 Watts
  • Veg Footprint: 4’ x 4’
  • Recommended Flower Footprint: 3’ x 3’ or 2’ x 4’
  • 2 Kits Equal the Output of a Single Ended 1000 Watt HID!
  • 3 Kits Equal the Output of a Double Ended 1000 Watt HID!
  • 1 Year Warranty


  • 2x QB288 Board or 2x QB304 Board with Samsung 561C top bin Diodes
  • 1x Slate 2 Double Predrilled 600mm Heatsink
  • Meanwell HLG-240H LED Driver. 93.5% Driver Efficiency. Boards should be wired in series with the driver for maximum output
  • 8FT Nema 5-15P 16/3 SJTW NA Power Cord or equivalent for standard 120VAC with cable connector
  • 2ft solid core Wire, 2x Wago Connectors for DC wiring
  • Hanger Clips


  • Lamp Efficacy with S6 Flux bin 2.44 µmol/J, 162Lm/W
  • Board Level Efficacy with S6 Flux bin 2.61 µmol/J, 173Lm/W


No Thermal Interface Material is required between the LED board and the heat sink.

Remove black plug on driver and use Philips head screw driver for dimming

LED Driver color wires


Molex Lite Trap

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