500 Watt LED Grow Lights
500W LED grow lights sit at the upper end of the single-fixture range for 4x4 coverage, delivering high-intensity output appropriate for the full cycle in a 4x4 to 5x5 canopy. At 500 watts, quality LED fixtures produce 800-1,200 umol/m2/s PPFD at canopy level in a 4x4 -- within the target range for demanding flowering varieties and commercial production intensity levels. The 500W range also represents the practical entry point for 0-10V dimming control and integration with environmental controllers like TrolMaster.
What 500W LED Covers
For a 4x4 canopy, a 500W LED from a quality manufacturer provides full flowering intensity across the footprint. For 5x5 coverage, 500W delivers moderate flowering intensity -- acceptable for most varieties but below the maximum for high-light demanding crops. The Covert LED-X 500W and HLG Scorpion Ultima in this range are proven performers for 4x4 flowering; Black Dog PhytoMAX fixtures at similar wattages cover 4x4 to 5x5 effectively. Browse all LED grow lights or use our Grow Light Calculator to match wattage to your canopy. Fast shipping.
500W LED and Commercial Growing
At 500W, LED fixtures in this category approach commercial-grade specifications in terms of efficiency (umol/J) and build quality. For commercial grows running multiple fixtures per room, consistency of output across the fixture array and compatibility with 0-10V dimming control for light scheduling are important selection criteria. Call 888-815-9763 for multi-fixture commercial purchasing or to discuss which 500W platform best fits your production program.
500 Watt LED Grow Lights FAQ
What canopy does a 500W LED cover?
A quality 500W LED covers a 4x4 foot canopy at full flowering intensity (800-1,200 umol/m2/s at canopy level) and a 5x5 foot canopy at moderate intensity (500-700 umol/m2/s). For high-light demanding varieties requiring 1,000+ umol consistently across the canopy, a 4x4 is the maximum footprint at 500W. For moderate-light varieties or operations running below maximum intensity to control heat and electricity cost, 5x5 coverage at 500W is productive. Actual coverage depends on fixture efficiency -- compare documented PPFD maps rather than manufacturer coverage claims when evaluating fixtures.
Do 500W LED fixtures need 240V power?
Not necessarily, but many commercial 500W LED fixtures offer both 120V and 240V operation. Running a 500W fixture on 240V draws half the amperage of 120V operation -- approximately 2.1A at 240V versus 4.2A at 120V. In rooms with multiple fixtures, 240V operation reduces circuit load per outlet and allows more fixtures per circuit. For a single 500W fixture, 120V is practical on a standard 15A or 20A circuit. For multi-fixture rooms, verify your panel capacity and outlet configuration before purchasing and consider running 240V circuits if you are setting up a commercial operation from scratch.
Should I get a 500W LED or two 250W LEDs for a 4x4?
A single quality 500W LED in a 4x4 tent produces more uniform PPFD distribution across the footprint than two smaller fixtures, because the single fixture optic design is optimized for the target coverage area. Two 250W fixtures may create a hot spot in the center where the coverage areas overlap and lower intensity at the corners. If you have good reason to use two fixtures (redundancy, phased purchasing, compatibility with existing equipment), position them carefully to maximize coverage uniformity. For a new 4x4 setup, a single 500W fixture from a quality manufacturer is the cleaner solution.
