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650-GST 640w Full Spectrum LED Grow Light

650-GST 640w Full Spectrum LED Grow Light

By Evol Grow

Regular price $550.00
Regular price $699.00 Sale price $550.00
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The Evol Grow 650-GST enables you to deliver high-powered, sustainable light to your plants with greater efficiency and flexibility. This double bar 640 watt top light LED fixture delivers a high PPF of 1,856 µmol/s and a photon or fixture efficiency of 2.9 µmol/J.

The Evol Full Spectrum has an overall color temperature of 3700K, which improves the radiant energy of red light at 660nm wavelengths in white light. It provides a beautiful working environment and a more realistic color reproduction degree with a CRI level of 90.

The 650-GST features both manual and automatic power adjustment, allowing you to dim the unit from 10% to 100% total power for lower photon intensities without compromising spectrum quality.



  • 5 Year Warranty
  • 640W Power Draw 
  • 2.9 μmol/j Efficacy
  • 1,856 μmol/s Total Light Output
  • 4'x4' Coverage Area
  • Top Bin Samsung & Osram Diodes
  • Remote Top Brand Powerland Driver
  • Full Spectrum With Added 660nm 
  • Adjustable Wide Bars
  • Onboard Dimming (100%, 80%, 60%, 40%)
  • External Control Capable w/ RJ Port
  • Excellent Uniform Light Distribution
  • Fanless Design
  • IP65 Waterproof
  • DLC, ETL, CE Certification
  • 5-year Standard Warranty



  • 1 x Evol Grow 650-GST LED Grow Light
  • 1 x Power cable (10ft)
  • 1 x 120v/240v adapter
  • 1 x Dimmer (onboard)
  • 2 x Ratchet Hangers 


Technical Specs

   Product Identification
   Manufacturer    Evol Grow
   Name    650-GST
   Model    650-GST-1856-P
   Dimensions and Coverage
   Dimensions   13.8 x 13.8 x 2.4 in.
   Coverage       4 x 4 ft.
   Performance and Technical Specs
   LED Diodes    Samsung lm281+ Pro
   LED Driver    Powerland (detachable)
   Efficiency    2.9 µmol/J
   PPFD    1,856 µmol/s
   Spectrum    660nm, 3000k, 5000k
   Wattage    640 W
   Voltage    110-240V AC
   Connector     120V/240V 
   Temperature    32 to 140°F
   Expectancy    50,000 Hours +

EVOL 650-GST Specs & Par
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