Availability in USA:  In stock, ships in 1-2 days.

SKU: HLG-550-1

Warranty: 3 years.

3000K 120V3000K 240V4000K 120V4000K 240V

Bulk/commercial pricing available for this product: inquire for a volume quote.

Satisfaction guaranteed.

Free continental USA delivery over 99$.

Discreet shipping.

Guaranteed safe checkout.

Satisfaction guaranteed.

Free  continental USA shipping over 99$.

Discreet shipping.

Guaranteed safe checkout.

Satisfaction guaranteed.

Free continental USA shipping over 99$.

Discreet shipping.

Guaranteed safe checkout.

About Horticulture Lighting Group HLG-550 V2 ECO Quantum Board LED Grow Light

At 2.5 umol/j, the HLG 550 V2 Eco is one of the most efficient single-ended 1000-watt HID replacements on the market!

The Horticulture Lighting Group HLG 550 V2 Eco LED light will replace a single-ended 1000W HID while only drawing 480 watts at the wall and exuding the light output of 1,200 umol/s!

The HLG 550 V2 lamp is comprised of a single ultra-thick PCB populated with 1152 Top-Bin Samsung LM301B LED arrays.

Top Features

  • High-efficiency custom-designed white light quantum board with Samsung LM301B diodes
  • 3000K or 4000K white-light full spectrum for optimal canopy penetration and easy viewing
  • Ideal for seedling to harvest growth 
  • Reliable passive-cooled design (no cooling fans required)
  • Optimal canopy penetration with diffused light via a large form factor
  • Optional lenses for narrower beam angle and increased intensity 
  • Dimmable high-efficiency Inventronics (or Mean Well) driver (240-480W range)
  • Designed and manufactured in the USA


Spectrum options



PAR Chart

4x4 Tent

 4x4 open space

PAR chart


HLG 550 Rspec, BSpec and Eco comparison

HLG 550 comparison

More info

Lab report





Model/SKU: HGL 550 V2 Eco

Wattage draw: 240-480 watts (dimmable on driver)

HID equivalent: 1000 watt single-ended HID fixture

LEDs: 1152 x Top-Bin Samsung LM301B diodes

    PPF: 1200 umol/s

    PAR efficacy: 2.5 umol/j

    Coverage area:

    • Veg: 6' x 6'
    • Flower: 4' x 4'

    Mounting height: 

    • Flower: 18"-24"
    • Veg: 24"-36"

    Thermal management: Passive cooling

    Weight: 17 lbs

    Dimensions: 24” x 20” x 2”

    Outer packaging: 29" x 23" x 4"

    Operating/input voltage: 90-277VAC; 50Hz-60Hz

    Amperage: ~4.23A @ 120V; ~2.16A @ 240V

    Certifications: None; not ETL/UL certified

    Product includes:

    • Fixture with 120V US cord and plug 
    • Dimmable Iventronics (or Mean Well) driver (dimmable to 50% intensity)
    • Rope ratchet hangers

    Recommended for:

    • Grow tents
    • Grow rooms
    • Large indoor grows
    • Vegetative growth and/or flowering
    • Full-cycle growing from seedling to flower
    • Soil, hydroponic, aeroponic, or aquaponic systems

    Manufacturer's warranty: 1-year


    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.

    Free, Fast Shipping All continental US orders over $99 qualify for free shipping. 

    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.

    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

    1. 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.

    2. 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.

    3. Earn Growbuds 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.

    4. 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.

    5. 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.

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

    7. Free Shipping on orders over $99 to the lower 48 states.

    8. No Sales Tax Anywhere, except for MI, and CA for some brands.

    9. 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.

    10. Safe & Secure Systems in place for every payment transaction.

    Horticulture Lighting Group fixtures come with a 3 year manufacturer's warranty.

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

    Online Payments and Security

    Your payment information is processed securely. We do not store credit card details nor have access to your credit card information. The transaction will display as GB INC. on your card statement.

    Growbuds® Club

    Get the rewards you deserve. With the Growbuds Club, 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.

    Buy Now, Pay Later

    Buy your favorite products today, and split up the cost into four interest-free payments. No interest fees. No impact to your credit score. It’s seriously that simple. Simply choose Sezzle at checkout.

    Growbuds® Wholesale

    Our experienced commercial team has helped designed, consult and supply hundreds of indoor, outdoor and commercial greenhouses projects in Canada and the United States. Contact sales now at 1-877-900-2632 option 2 to contact a sales representative or click the button below to submit a request via email.

    Frequently Asked Questions

    Where is Growbuds located? Where do you ship from?

    Our main warehouse is located in Las Vegas, Nevada. However, we do have a network of smaller warehouses located in Michigan and Pennsylvania to make our order fulfillment process way more effective, so you can receive your order faster! 

     If you have further questions concerning our shipping policy, you can contact us at 1-877-900-2632 (Monday - Friday, 9AM - 5PM EST) or via email at support@wegrowbuds.co and it will be our pleasure to assist you.

    How much does shipping costs? Are you offering a free shipping policy?

    All orders over $99 qualify for free shipping. Orders below 99$ will be charged a fee depending on your shipping address and the carrier that you choose at checkout.

    With which carrier will my package ship?

    We ship most orders via USPS, Purolator, UPS and FedEx. 

    How long can I expect my order to arrive?

    While most products are located at our main shipping station and can be ready to ship within a few hours, some products require additional handling time so there may be up to 3 business days of handling time before your order is ready to ship.If your order is taking longer than 3 business days to ship out please contact us at support@wegrowbuds.ca to have an accurate update.

    Standard  Shipping:  Once they ship out packages normally arrive within 1 to 5 business days depending on your location in the continental USA. 

    Our shipping cutoff time is 11AM Eastern Time. So, any order placed after 11AM will ship out the following business day and therefore the day you place your order would not count towards the shipping times above. If you place your order on a weekend or a holiday, please consider the following business day as your first day when factoring in shipping times.

    What is your return policy?

    If ever I wanted to return my order, would I need to pay for the return shipping?

    No, Growbuds Returns Department will provide you with a prepaid return shipping label, so you don't have to pay for returning your order back to our warehouse.  

    Do your products come with any warranties?

    All products sold on Growbuds are subject to the respective manufacturer’s warranty policy, which normally lasts one year. These policies can be found on the original manufacturer’s website or by contacting them. The manufacturer will replace any defective parts within the warranty period. Damages caused by misuse, improper maintenance or neglect are not covered by the manufactures warranty.

    Growbuds will assist you in your warranty claim by helping you coordinate with the original manufacturer. If for any reason, your product is defective, please contact us directly at 1-877-900-2632 or via email at support@wegrowbuds.co to request a Return Merchandise Authorization number (RMA). Should you have any questions or concerns about our warranty policy, please contact us.

    What payment methods are you accepting at checkout?

    We accept payment via credit cards (Visa and Mastercard), Sezzle (4 interest-free payments), and bank wire. 

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