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Gmax 150 Dimmable LED Grow Light (LH351H V2)

Original price $299.00
Current price $219.00


USA Orders: 2-4 day delivery

Outside USA Orders: Ships within 1-2 Business Days

          GMAX 150 features the Latest in Horticulture LED Technology from Samsung with their new LH351H v2 3.75 umols/J Deep Red LEDs and the LM301H full spectrum White light LEDs. GMax 150 was engineered to the most stringent standards of Greenhouse LED grow Lights today, no moving parts and industry best quality components give you a fixture with durability, next-generation efficiency, and Robust Spectrum and PAR from strong plant growth and yield. 


NEW! Samsung LH351H v2 - 3.75 umols/J





253-881-1355 or inquire at



Coverage Footprint:


1 Unit                                               

2' x 2' area (.6m x .6m)                      

Max 2' x 3' (.6m x .9m)             

2 Units                                        

3' x 3' area (.9m x .9m)           

Veg (1 unit)

2' x 3' area @ 18"

2' x 4' area @ 24" 

Hanging Height : 

Flower: 8"-18"    

Pro Tips: Wk1-3 @18"  -  Wk4-6 @14"  - Wk7-10 @8"-9" 

Veg: 24" - 30"    (@ 100% Power)

Seedling: 24" (Dimmed Down @ 50%)

Dimmers : 1

Dimmability: 0%-25%-50%-75%-100%

Dimmer Comes Standard + 2 Controller Ports 


Gmax 150 Components:

LEDs: 312

White LEDs: 

- 300 Top Bin Samsung LM301H 3500K White LEDs  - Horticulture Series

Bloom Enhancers:

- NEW! 12 Samsung LH351H Deep Reds V2 LEDs - Horticulture Series

Optics : 

Samsung LM301H White LEDs: 120 Degree Primary Lens

LH351H V2 660nm Deep Reds: 120 Degree Wide Beam Primary Lens 

Driver: Meanwell HBG Series Driver

Thermal management: Passive Cooling from an Overbuilt HeatSink

Spectrum: Full Spectrum White Light + 660nm Deep RED 



GMAX 150 Specifications:

Grams Per Watt: up to 2.8

Yield: Up to 420 grams / 15 oz / .94 lbs

HID/HPS Equivalent: 300w HPS

Kelvin: 3500K DayLight White 

IP Rating: IP65 Waterproof - Green House Rated

PPFD @8" : 

Master Controller: Compatible with Touch Screen Master Controller (2 ports)

PAR Efficacy: 2.8 umols/J

Actual Power Draw: 150 Watts

Amps: 1.5 Amps at 120v 

Lifetime: 100,000 Hours+  

Warranty: 10 Years full warranty - Lifetime warranty on Meanwell Driver

Release Date: Feb 2021 

Shipping: Free Shipping to 60+ countries 

Light Fixtures: GMAX 150 

Cables: 6 Foot attached power cord 

Plug: USA, CANADA, EURO, Commercial, Industrial, etc.

(We automatically ship the correct cord for your country)

Dimming: 0-100% Dimming Capabilities (Dimmer Included)

(Works with external touchscreen Master Controller

Dimensions: 22" x 3.5" x 4.5" 

Fixture Weight: 6lbs

Shipping Weight: 8lbs

Hanger: Comes with adjustable rope ratchets.

Recommended for: Closet Grow, Cabinet Grow & Grow Tents. & Green Houses

*International Shipments may require Taxes & Duties. Contact us for a quote!  - GMax 150 Patent Pending.

253-881-1355 or inquire at

 *Compatible with the Optic LED Master Controller ($149.00)


Also, check out our Instagram page for more videos @OpticLEDGrowLights