Optic LED

Optic LED - GMax 150 Dimmable LED Grow Light (LH351H V2)


Bulk/wholesale pricing available for this product:
call us or email us for volume quote.

Optic LED - GMax 150 Dimmable LED Grow Light (LH351H V2)

      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 Sales@OpticLEDGrowLights.com


The industries only 10 Year Warranty!



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!

Sales@OpticLEDGrowLights.com  - GMax 150 Patent Pending.

The industries only 10 Year Warranty!








Gmax 150 Videos Page Click Here:





Free Fast US Delivery
For Orders Over 99$

Safe Checkout

Free, Fast Local Shipping

All continental US orders over $99 qualify for free shipping.

Discreet Shipping

We understand the importance of privacy to many of our customers. All orders placed on Growbuds are shipped in plain boxes without explicit identifying marks.

Estimated Arrival

Between 1 and 5 business days, depending on your location.

Easy Returns

For up to 90 days, depending on the brand.


Please refer to our Shipping & Returns policy page for more detailed information.

All products sold on Growbuds are subject to the respective manufacturer’s warranty policy, which can be found on manufacturers websites or by contacting them. If your product fails in the remainder of our returns period, the manufacturer's warranty policy will prevail. In this case, send us an email at support@wegrowbuds.co and we will assist you in your warranty claim by helping you coordinate with the original manufacturer.

Our experienced commercial team has helped supply hundreds of indoor, outdoor and commercial greenhouses projects in Canada and the United States.

Looking to get a quick quote? Contact us at support@wegrowbuds.co or call at 1-877-900-2632 option 2 to talk with a Growbuds sales representative. Otherwise please fill out the quick form below and we will be in touch as soon as possible.

United States Headquarters

2915 Ogletown Road
Newark, DE 19713, United States

Canada Headquarters

295 Cure-Labelle Boulevard,
Laval, QC H7L 2Z9, Canada

Call Us

Toll Free: 1-877-900-2632
Hours: 9AM - 5:00PM EST

Email Us


You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

10 Reasons To Trust Growbuds With Your Business

Customer Service

We are here to help and want the best for you. Use our live chat, email us at support@wegrowbuds.co or call us at 1-877-900-2632 during business hours. We are always here for you.

Full Warranties and Generous Return Policies

We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand.

Earn Growbuds Points

Earn points on all your purchase and save big on your next purchases. You'll earn 4 "Nugs" for every dollar your spend. You can then use your "Nugs" to save on your next grow room upgrades. Get started by creating a free account today.

Price Match

We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase.

Discreet Insured Shipping

All orders ship via FedEx, UPS, and USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.

Hassle-Free Returns

For up to 90 days, please refer to our Shipping & Returns policy page for more information.

Free Shipping

On orders over $99 to the lower 48 states.

No Sales Tax Anywhere

Except for MI, and CA for some brands.

Authorized Dealers

We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.

Safe & Secure Systems

In place for every payment transaction.

Frequently Asked Questions

You may also like

Recently viewed

Growbuds Grow Club

Get the rewards you deserve. With the Growbuds Club, you'll earn rewards for every dollar your spend and save big on your future grow room upgrades. Get started by creating a free account today.

Get Started



Free Fast US Delivery
For Orders Over 99$

Safe Checkout