Spectrum King

Mother’s Lil' Helper 140W LED Grow Light

SKU: MLH140-9-1
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  • Regular price $299.00
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New models coming February 2020! Stay tuned

Mother’s Lil’ Helper 140W LED Grow Light … is just what the name says!

It's 140 Watt, patent pending, full spectrum LED Grow Light that replaces T5, 400Watt MH, and 315CMH fixtures. It is a commercial grade fixture designed for years of consistent maintenance free use. Designed to keep your mother plants going strong, for vegetative growth as well as your seedlings and clones. 

It is nationwide compliant, boasting a rugged IP65 rated water resistant heatsink, suitable for wet and humid environments. The Mother’s Lil’ Helper comes with 90-degree reflectors for better light distribution. The light is guaranteed to maintain 90% or better light output for 3 YEARS with regular use. The warranty also covers five years of mechanical related issues.

*No other company guarantees the light output degradation (read more)

When purchasing lights outside of the United States, you may be charged various customs, VAT and other local/regional fees. Unfortunately, these additional charges will not be part of the invoice because they are determined in your area. Spectrum King LED is not responsible for these charges. 

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  • Great light to keep your mother plants going strong, for vegetative growth as well as your seedlings and clones.
  • Replace your old T5’s, 400W Metal Halide & 315CMH fixtures with these high efficiency LED grow lights built for closets, tents and smaller grows.
  • You can have beautiful healthy plants with just 140 watts of power!
  • Rugged IP65 Rated water resistant housing is perfect for harsh environments.
  • Efficient heat sink minimizes radiant heat, which can be problematic in small tent environments.
  • Specially designed 90-degree reflectors spread light evenly to your plants.
  • Each light ships with a six-foot power cord.
  • Safe for outdoor use
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  • Input Voltage – 110V – 277V AC
  • Light Source – LED
  • Frequency Range – 50~60Hz


  • Ideal Replacement – 8 Bulb T5 Units, 315W CMH Fixture & 400W MH
  • Lumens – 13,100
  • CCT – 5,000K
  • Photon / W – 1.33

  • Light Beam Angle – 90 Degree
  • Body Lens – Glass
  • Body Case Material – Die Cast Aluminum
  • Product Size –12”x 10”

  • Product Weight – 11.5 lbs Packaged

  • Suitable Distance Over Canopy 90° Reflector – Veg: 24″ Flower: 18″

  • Coverage Area Veg – 4’x4’ @18”-24”
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