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Scaling up your indoor garden requires more than just power; it requires precision. The Black Dog LED PhytoMAX-4 20S is engineered for professional-grade results, delivering a massive 2657 µmol/s to ensure your plants thrive in large-scale environments. Using 1250 watts of high-efficiency power, this fixture outperforms traditional DE HPS lights while maintaining lower operating costs. With the proprietary Phyto-Genesis Spectrum®, you get a complete light profile that triggers optimal plant responses from seed to harvest. If you need even more power for larger commercial footprints, consider the Black Dog LED PhytoMAX-4 24S, or for slightly smaller setups, the PhytoMAX-4 16S offers the same high-efficiency technology.
The PhytoMAX-4 20S comes in two variants: SP and SC.
The SP variant uses a standard IEC cable rated 100 – 250 volts.
The SC variant is rated 100 – 277 volts and features a locking, water-tight power connection for greenhouse use.
Uses eight LED colors for optimized plant response and maximum yield quality.
Evenly spread UV light builds resistance to pathogens and increases terpene production.
Integrated active cooling extends LED lifespan and maintains peak operating efficiency.
Adjust brightness from 15–100% to match the specific light needs of your plants.
| Specification | Value |
|---|---|
| Dimming | 0-10V, 15-100% |
| Dimensions | 19" x 19" x 4.5" |
| Weight | 45lb |
| Power | 1250 Watts |
| Certifications | UL 1598, UL 8800, ETL, CE, FCC, RoHS |
| Mean Time Before Failure | > 70,000 hours |
| Number of LEDs | 560 |
| Amp Draw | 12.5 @ 100V | 10.42 @ 120V | 6.01 @ 208V | 5.43 @ 230V | 5.21 @ 240V | 4.51 @ 277V (SC model only) |
| Included Power Cord Length | 8 ft |
| Power Factor | 0.99 |
| Operation Ambient Temperature | -4 to 104 °F |
| BTU | 4263 |
| Warranty | 5 Years |
Black Dog LED offers a 5-year warranty for this model. This warranty covers defects in materials and workmanship but does not cover operator error, misuse, or abuse.
The SP model uses a standard IEC power cord suitable for most home environments (100-250V), while the SC model features a locking, water-tight connection designed for greenhouse and commercial use (100-277V).
Yes, the proprietary Phyto-Genesis Spectrum includes dedicated UV LEDs to help build plant resistance to pathogens and enhance terpene production.
Absolutely. The full spectrum design is optimized to provide the necessary wavelengths for every stage of plant growth, from seedling through harvest.
The PhytoMAX-4 20S features high-efficiency active cooling fans designed for longevity and quiet operation, rated for over 70,000 hours of life.
Yes, it features 0-10V dimming capabilities, allowing you to adjust the light intensity from 15% to 100% depending on your canopy's needs.
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
Equipping home growers, craft producers, and commercial operations across North America since 2016.