Comparing HLG 550 V2 Rspec and HLG 550 V2 Full Spectrum

Comparing HLG 550 V2 Rspec and HLG 550 V2 Full Spectrum

Hello to our LED gardening friends!  Glad you could join us for a little comparison talk on two of the most popular high intensity grow lights in the LED gardening market.  At less than 500W at the wall, which is best for your garden?  Hopefully we can set you straight in this article.

We'll take a look at the differences between the HLG 550 V2 R-Spec and the HLG 550 V2 Full Spectrum and how these ultra high efficient indoor gardening high intensity grow lights stack up for your garden. 

Below we've laid out a few new features in the V2 and where the R-Spec, deep red spectrum could be a benefit to your garden vs an HLG 550 V2 Full Spectrum.

Take in mind the environment you're growing, where you are located, the relative humidity etc., and whether you are using a completely sealed grow space.  And most of all, what are your greenthumb goals as a gardener?  Would a DIY setup better serve your grow knowledge? Or skip it and go straight with the turnkey HLG LED grow lights such as the HLG 550 V2 R Spec.

Let's take a look at the difference between these two ultra efficiency and high performance light engine models:



  • Proven Design with over 15000 units sold
  • Highest efficiency per watt per dollar gives the most light for your money and low power consumption
  • Reliable Passive Cooled Design with minimum point of Failures
  • Full Spectrum for optimal plant growth

Conforms to UL Std 1598
Certified to CSA Std C22.2#250.0


Lab Reports

HLG 550 V2 R spec Report

HLG 550 V2 Report



HLG 550 V2 R spec offers more light output with a red enhanced spectrum.

More output and better spectrum with similar power consumption gives you unbeatable performance and price.

HLG 550 V2 R Spec is ideal for flowering and full cycle. HLG 550 V2 4000K is ideal for Veg cycles.


 550 V2 Rspec vs V2

Comparison at 240VAC between 550V2 3000K and 550V2 R spec



Spectrum Comparison

R spec Full Spectrum ( 3500K White + 660nm )


V2 Full Spectrum ( 3000K White )


V2 Full Spectrum ( 4000K White for veg)


LED Comparison

HLG 550 V2 uses 1152 pcs of Samsung LM301H LED. Available in 3000K and 4000K

HLG 550 V2 uses 1088 pcs of Samsung LM301H LED in 3500K and 64 Osram SSL Deep Red 660nm

Now maybe you know what you're reading and maybe that was a bunch of mumbo jumbo-- so we'll make it simple:


Just do it like Nike.

Currently, as we update this blog post, as technology improves, drivers and diodes improve and HLG's R&D team has been able to take the HLG 550 V2 R-Spec and surpass efficiency of the HLG 550 V2 Full Spectrum and the output.

The HLG R-Spec is recommended for both flowering and full cycle gardens at this time (January 2020).

Awesome!  Take me over to the HLG 550 V2 product page.