250W XL QB LED Kit

Free shipping within US

250W XL LED Board kit

Standard kit has Type A driver for dimming. Add a note during checkout for Type B driver( require soldering for dimming).

36 Inches long for a wider spread.

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

Dimmable 135-250 Watts
Veg Footprint 4x4 sqft
Recommended Flower Footprint 2x4 sqft



  • 2x QB288 Board or 2x QB304 Board with Samsung 561C top bin Diodes
  • 1x Slate 3 Triple Predrilled  Heatsink. Length 890mm 35.0394 inches
  • Meanwell HLG-240H LED Driver.  Boards should be wired in series with the driver for maximum output
  • 6FT 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

LED Gardener Review

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

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

LED Driver color wires


Molex Lite Trap




Collections: ALL, Featured Products, LED Components

Category: DIY, LED Kit, QB

Type: DIY Kits

Related Items