Maxibright Daylight 300W LED


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The Maxibright Daylight 300w LED is a full spectrum output LED with a passive heat dissipation design. The “fanless” design means there are no mechanical parts, vastly reducing the risk of failure. This energy saving unit has a high photoelectric conversion efficiency which means that you save energy. The high photoelectric conversion efficiency means that you get more light per watt and less waste heat.

Benefiting from a well-rounded full spectrum and highly efficient LUMLED chips, the DAYLIGHT 300W LED makes for one of the most practical and affordable choices you can make when purchasing LED grow lights. Ensuring a full spectrum whilst maintaining an enhanced red region of the PAR curve gives a consistently high level of quality AND yield, every time you harvest. Rated at an impressive2.3μmol per Watt, the full spectrum Maxibright Daylight fixture treat your plants to a mightily powerful level of light that encourages lots of healthy growth as well as an eventual bucket load of fruits and flowers! The quality LUMLED LED used by both units have been incorporated into designs that position them over as much of the growing area as possible to ensure maximum coverage and crop uniformity. And since too much intensity can be detrimental early on in the lifecycle, the inclusion of an on board dimmer helpfully lets you modify the output to suit the stage of plant development.

One of the major plus points of LED lights is that they give off very little heat, and it’s via convection – i.e. rising upwards and easy to extract away – rather than being radiant and heading down towards plants. This fact and the relatively low wattage of this units from Maxibright mean they’ll fit and function in some seriously tight spots.

Key Features:

  • This light covers an area of 80cm x 80cm to 100cm x 100cm.
  • Full spectrum light output including far red
  • Uses only high quality Lumiled LEDs
  • The design provides the best coverage for the grow area beneath
  • 300w version is designed for a 0.8 to 1m square grow tent
  • Highly efficient – produce little heat
  • 5 Power settings – 20%, 40%, 60%, 80% 100%
  • Passive cooling with no fans
  • Dimensions: 22.5 inches (57cm) x 22.5 inches (57cm)
Maxibright Daylight 300W LED – Efficiency Data
PPF (μmol/s) (Tested at 22°C) 690
Fixture efficiency using input power (210W) (μmol/J) 2.3
Fixture efficiency using LED power (193W) (μmol/J) 2.42
Average LED efficiency (μmol/J) 2.7
LUMLED white LED chip efficiency (μmol/J) 2.85
LUMLED red/far red LED chip efficiency (μmol/J) 2.0


Maxibright Daylight 300W LED – Product Data
Dimensions (cm) 55.8 x 55.8 x 9
Net Weight (kg) 5.3
Gross Weight (kg) 7.3
Input Current (A) 1.44
Input Power (W) 300
Supply Voltage (V) 220-240
Supply Frequency (Hz) 50/60
IP Rating IP20
Life Span (hours) >50,000
Light Angle (°) 110
Working Temperature (°C) -20 to +40



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