California Lightworks SolarSystem 275


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Now 25% more efficient: 2.2 umol/j (up from 1.55 umol/j) with higher light output

The Solar System 275 LED grow light is a GAME CHANGER in indoor and greenhouse lighting for horticulture.

Compact and lightweight, the Solar System 275 puts out more light than much larger LED grow lights and will replace a 400-watt HPS system – guaranteed!

The Solar System 275 can cover any size grow area – large or small – when linked in series.

Powerful enough for veg or bloom, the Solar System 275 features fully programmable spectrum control with the optional Solar System Controller (below).

Image: SolarSystem controller (optional). 

Buy the SolarSystem controller here.


Solar System 275 Features:

  • Programmable spectrum control
  • One remote controller to control a virtually unlimited number of fixtures
  • Automated programs for sunrise/sunset, spring/summer/fall, dark period, and final finishing modes
  • Flexible networking: Internet gateway and smartphone control options; Designed for easy integration with environmental controllers
  • Daisy-chainable up to 1000 fixtures
  • High Power Osram LEDs – rated at 50,000 hours
  • Cooling fans – rated at 50,000 hours; water-resistant and user-replaceable
  • High-performance house-made custom LED drivers
  • Plug-and-play design – no external ballasts or ducting required
  • Unique design limits shadow effect in greenhouses
  • Optimal spectrum for both veg and bloom
  • High power output and low heat – perfect for large indoor grow operations
  • Automatic voltage regulation: 90 – 277 volts
  • Lightweight and easy to install – only 7 pounds
  • Local support and grow room design
  • 5-Year Limited Warranty
  • IP65 waterproof rated
  • UL listed
  • Made in California (USA) with love


SolarSystem Spectrum (programmable via controller)


Additional info:

Solar System 275 brochure and specs

California Lightworks SolarSystem Review: Best LED grow light?



Model/SKU: SolarSystem 275/ss275

Wattage draw: 200 watts at maximum output

HPS equivalent: 400 watts

LEDs: Top-Bin OSRAM diodes; 50,000+ hour lifespan

Spectrum: Red, white, blue; for vegetative growth and flowering

Total PPF Output: 439 umol/s

PAR efficiency: 2.2 umol/s

Coverage area:

  • Veg: up to 5′ x 5′ (25 sq ft)
  • Bloom: 3′ x 3′ (9 sq ft)

Thermal management: Water resistant and replaceable fans; 50,000 hour lifespan

Daisy chain: Yes, up to 1000 fixtures

Dimensions: 8.5″ x 8.5″ x 4″

Operating temperature: 0°F to 107°F

Operating/input voltage: 90-277 VAC;

Maximum current: 1.65A @ 120V; .8A @ 240V;

Frequency: 50Hz – 60Hz

Heat output: 640 BTU

Power factor: >0.95

Product weight: 7 lbs

Recommended height above plants: dependent on application and growth stage

Product includes: Fixture, 6′ power cord, communications cable

Recommended for:

  • Vegetative growth and flowering stages
  • Greenhouses
  • Grow tents and grow rooms

Manufacturer’s warranty: 5-year limited


 SolarSystem 550 Overview


 SolarSystem 550 – Behind the scenes


 SolarSystem 550 Unboxing


 SolarSystem 550 Controller Tutorial


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