Best COB LED Grow Lights: Buying Guide & Reviews

Best Cheap COB LED Grow Light

Roleadro HYG08-2X400W-W (800W)

  • Best Value for Price
  • Perfect for single plant
  • Best Efficiency

Best Overall Full Spectrum COB Light

Phlizon CREE 2000w COB

  • Kit Included
  • Best for multiple plants
  • Light For Entire Lifecycle

It is forecasted that during 2019-2023, the chip-on-board (COB) LED market is going to increase by USD 1.73 billion, accelerating at a CAGR of nearly 12%. These statistics are highly indicative of the increasing consumer preference towards COB grow lights. 

In fact, the growing adoption of COB in LED in smart lighting has created quite a stir in the market. This is primarily because of the convenience of usage. 

In COB LEDs, users can use mobile applications to control switching mode, brightness, and colour. Furthermore, the development of smart cities and the need for energy-efficient lighting systems have maximized the demand for COB LEDs.

COB LED lights are in tremendous demand – and for all the right reasons. If you are planning to buy one for general use, or may be for your business, then you need to keep certain criteria in mind to choose the most reliable LEDs in the market

Here is a comprehensive buying guide that covers the rudimentary details and technical basics of COB LEDs to elaborate reviews – enabling you to pick the best one in the market.

Overview: Best COB LED Grow Lights

COB Grow Light Model NameActual WattsEffective Coverage [sq. ft.]HPS ReplacementPrice
CREE CXB35905007 x 71000wCheck Price
Hipargero 800W2403 x 3500wCheck Price
PDGROW HPR1200w6007.5 x 7.51500wCheck Price
Roleadro HYG08 800w2002 x 2400wCheck Price
Niello 1200w2802.5 x 2.5500wCheck Price
PARFACTWORKS 1000w3604.5 x 4.5800wCheck Price
Phlizon CREE 2000w4514 x 4900wCheck Price

Reviewing Criteria

Buying a COB LED growth light can be tricky. There are so many factors to consider and so many situations to analyse. To ease that process, here are the top three factors that you should consider before buying a COB LED grow light. 

Related: Best Grow Box

Price

It’s always the most important decision maker. COB LED lights can be extremely expensive. And there are multiple options available in the market. How do you choose the one that is both efficient and cost effective? While you don’t want to compromise on quality, you also want proper return of investment. 

Light Spectrum

Light spectrum refers to the various colours of light based on wavelength and frequency. Plants need every kind of light present in the spectrum for a wholesome growth. For instance, the blue light is crucial for the vegetative stage, especially during the flowering stage. As a result, it is important to purchase a light spectrum that covers a wide spectrum of light. Also, the lights have to be friendly. It can’t be too harsh. Thus, a COB LED light has to be not only efficient and effective but also user-friendly. 

Wattage

Wattage is the measure of amount of energy consumed by the light bulb. It’s important for a LED bulb to be energy efficient. Energy efficient bulbs give away the same amount of brightness with lesser amount of bulbs.  There are two reasons to why COB LED bulbs need to be energy efficient. Firstly, it reduces energy cost. And secondly, it also brings down your electricity bills. Thus, checking the wattage of a grow light is crucial – an important factor to consider while purchasing a light bulb.

Related: Best Grow tents

1. CREE CXB3590 COB LED Grow Light Review

Cree COB LED by CF Grow is one of the most sought-after models in the COB LED grow light zones. With a new and advanced style, COB LED grow light CXB3590-X2 is used for hydroponics greenhouse tomato money plant all stage growth with full Spectrum. 

The LED driver is made by MEANWELL, high quality to make sure more stable voltage and longer life of the COB LED chips. The product size is 540 x 180 x 90 mm and net weight is 6 KG. This light is suitable for all kinds of growing stage.

Price

The total price is $335.47. With all the quality components it comes with, Cree COB LED is relatively affordable and has a good return of investment. Moreover, the company boasts of strong R&D team that brings assurance to the superior quality of the product. Moreover, the product comes with 24-hour professional service centre, 365 days technical support, 30 days full refund, 3 years warranty.

Light Spectrum

Cree COB LED is highly recommended for indoor plants with full spectrum of 380 nm-780 nm. The full spectrum range helps in rapid growth of plants and keeps it healthy. 

Wattage

Each LED chip light can reach to a power of 120 W. It is not only energy efficient but also produces bright light. 

 

Verdict

  • Cree COB LED Chips are powerful and provide the best spectrum of light for indoor plants.
  • It is made of MEAN WELL that ensures stable voltage and longer lifespan
  • With 90 degree glass lenses and 97% light transmittance, Cree COB LED ensures that the plants grow rapidly.
  • It’s not waterproof
  • The price is higher than usual.

Recommendation

It’s recommended for pros with high budgets who are looking forward to grow vegetables, flower, money trees, etc.

Read more: Best 600w LEDs 

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

2. Hipargero 800W COB LED Grow Light Review

Hipargero 450W COB LED Grow Light is a combination of 5W Cree LEDS ranging from 100W, 1200k, 3000k, and 5000k COBs. Together, they effectively simulate sunlight. They are extremely durable and the chips have the reputation to be the best in the market. It doesn’t get hot easily because of the aircraft grade high heat conducting and heat sink.

Price

Hipargero COB LED Grow Light is extremely affordable with a price of $130.64. Also, the company has a profound R&D team – all grow lights are tested strictly before leaving the factory, including vibration test, high voltage test and high temperature test. 

Light Spectrum

Hipargero COB LED Grow Light comes with optimal full light spectrum that covers the range from 410 nm to 730 nm. As a result, it is ideal for growing vegetables and plants indoor. Also, added 10 pcs 5W 660nm CREE LEDs provide more red lights for plant’s flowering and fruiting stages.

Wattage

Hipargero COB LED Grow Light comes with high power of 450 watts. It is durable and doesn’t have the tendency to run out like other LED lights. It is not only effective in terms of brightness but also efficient in terms of power and heat dissipation. 

Verdict

  • Optimal full spectrum of light
  • It has high power due to 100W Epileds COBs
  • Energy efficient as it consumes only 200 watts.
  • Powerful cooling fan system
  • No Daisy chain function

It’s recommended for beginners with moderate budgets, who are looking forward to growing vegetables, flower, money trees, etc. 

Read More: Best 300w LED Grow Lights

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

3. PDGROW HPR1200w COB LED Grow Light Review

PDGROW LED Grow Light is new in the market of shared LED growth light. It has high power COB technology; the led chips are directly connected to the entire PCB substrate. This helps in reducing energy as well as providing higher coverage, higher lumens, and higher pars value. All these factors come together to help plants grow rapidly. The product size is 325mm * 74mm * 54mm. And the net weight is 4.62 pounds.

Price

PDGROW LED Grow Light is extremely affordable as it is priced at $99. Also, it comes with quality assurance. Each PDGROW COB led grow light is thoroughly and rigorously tested within 48 hours before packaging. Along with that, it provides 2 years warranty.

Light Spectrum

PDGROW LED Grow Light offers full light spectrum that covers the range from . It emits white and red lights, which are extremely crucial. Both the lights are important for the vegetative growth, and bloom, and fruiting regulation. Thus, PDGROW LED Grow Light simulates optimum level of sunshine for the plants to grow quickly and be healthy.

Wattage

PDGROW LED Grow Light has three COB leds of 100 W each. As a result, the LED light is not only energy efficient but also guarantees longer lifespan – up to 50000 hours.  

Verdict

  • It is Extremely Cheap
  • It has full spectrum growth light
  • It is energy saving due to optimal battery usage.
  • The light, at times, is too bright.
  • It is not water proof

Recommendation

It’s recommended for both beginners and pros with moderate budgets, who are looking forward to growing vegetables, flower, money trees, etc.  

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

4. Roleadro HYG08-2X400W-W (800W) COB LED Grow Light Review

Roleadro COB Full Spectrum Grow Light LED Plant Lamp has high quality Epileds leds, new LED technology innovation, and can simulate sunlight effectively. Also, it has the dimensions of 14.2 * 9.4 * 5.5 inches with the chip size of 45 ml. It comes with light modular design and sunflower radiator system. 

Price

It is quite cheap as it is priced at $110. To add further quality assurance to the pricing, Roleadro COB Full Spectrum Grow Light LED Plant Lamp comes with 2 years warranty. In fact, Roleadro boasts of 10 years of experience and dedication.

Light Spectrum

It provides full spectrum of lighting that helps your plant to become greener and healthier. Additionally, Roleadro COB Full Spectrum Grow Light LED Plant Lamp comes with 90 degree reflectors that gives scope for wider lighting area and also enhance the brightness.

Wattage

Roleadro COB Full Spectrum Grow Light LED Plant Lamp is extremely powerful with a high wattage of 800 W. It is energy efficient and also refrains from too much hit dissipation.

Verdict

  • Higher PAR value and Lux value than normal led grow light. This reduces light and PAR value loss and provides better growing environment for plants.
  • It has full light spectrum
  • It is extremely cost efficient.
  • It can be too bright for plants
  • Small Area Coverage

Recommendation

It’s recommended for beginners with moderate budgets, who are looking forward to growing vegetables, flower, money trees, etc.  

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

5. Niello 1200w COB LED Grow Light Review

The product dimensions of Relassy COB LED Grow Light are 14.6 x 10.2 x 1.2 inches. And it comes with a total weight of 4.01 pounds. Relassy COB LED Grow Light is safer, more luminous, and handier.

 

Price
Relassy COB LED Grow Light is super cheap and is priced at $59.8. It comes with 12 months warranty. Relassy is specialized in LED growth light for more than 10 years with a strong R&D team.

 

Light Spectrum
It covers optimal full spectrum that ranges from 380 nm to 800 nm. It provides all the right colours that every flowering plant need. It provides red that induces flowering and fruiting, blue that promotes germination, and IR that promotes plant cell growth.

 

Wattage
Relassy COB LED Grow Light consumes 165 W of power. It is not only bright but also cost efficient..

Verdict

  • Optimum Full Spectrum
  • Water-Proof
  • Energy Efficient
  • Lifespan of at least 50k hours
  • Budget Price
  • Efficient Passive Cooling
  • The pink light may not always be conducive for every kind of plant

Recommendation

It’s recommended for beginners with low budgets, who are looking forward to growing vegetables, flower, money trees, etc.

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

6. PARFACTWORKS 1000w COB LED Grow Light Review

PARFACTWORKS COB LED Grow Light has the dimension of 15.7 x 15.7 x 3 inches, and comes with a weight of 14.5 lbs. It beautifully simulates sunlight and foster vegetable plantation.

 

Price
It is slightly high priced at $247. However, PARFACTWORKS COB LED Grow Light comes with three years warranty and credible R&D team.

 

Light Spectrum
PARFACTWORKS COB LED Grow Light provides full spectrum of light that includes both UV and IR. It enhances the bloom peaks red 630 nm to 660 nm as well as the veg peaks blue 450 nm to 470 nm.

 

Wattage
PARFACTWORKS COB LED Grow Light consumes only 360 W. It is energy efficient. Also, it comes with lenses that allow light transmittance of 95%.

Verdict

  • Energy efficient light.
  • Patent modular reflector plus optical lenses
  • Slightly overpriced
  • Not water-proofed

Recommendation

It’s recommended for beginners with low budgets, who are looking forward to growing flowers. 

Ratings

Efficiency Ratio
3/5
Cooling System
4/5
Light Output
5/5
Value for money
3/5

7. Phlizon CREE 2000w COB LED Grow Light Review

Phlizon CREE COB LED Grow Light comes with dimensions of 21.3 * 12.2 * 3.1 inch. It has a total weight of 14.0 lbs. With a fantastic lifespan of 500000 hours, Phlizon CREE COB LED Grow Light is known for higher power and stability. It has less light attenuation and smaller thermal resistance. All of these combined can accelerate the growth of a plant.

 

Price
It’s extremely high priced at $299. But that price comes with assured quality. Phlizon CREE COB LED Grow Light boasts of a strong research and development team. And it comes with two years warranty.

 

Light Spectrum
Phlizon CREE COB LED Grow Light offers full spectrum of light. It contains 4pcs COB, 68pcs 630-660nm, 10pcs 470nm, 6pcs 6500k, 4pcs 3000K, 4pcs UV, 4pcs IR.

 

Wattage
The power of Phlizon CREE COB LED Grow Light is 451 W. It is not only bright but extremely energy efficient.

 

Verdict

  • It offers full light spectrum
  • High PPFD-ratio
  • Energy efficient
  • Pricey

Recommendation

It’s recommended for pros with high budgets who are looking forward to grow flowers. Read about other grow lights from the manufacturer

Ratings

Efficiency Ratio
2/5
Cooling System
4/5
Light Output
2/5
Value for money
3/5

Everything About COB LED Grow Lights

Understanding COB LED

In COB LED, multiple bare LED chips are packed together to create powerful white LED arrays. These chips are also called dies and a board usually has minimum 9 of them. Since the chips are without their package, they are more compact and occupy less space. 

Therefore, they can be packed more tightly one next to the other. Once the placement is done, a coat of phosphorous layer is applied on them. Without the phosphorous, the chips would have emitted blue light instead of white light. However, when you switch on a COB LED, it comes across as a uniform source of lighting and the individual chips are not recognizable.


Why should you prefer COB LED over normal LED? 

To understand that, you need to acquire a nascent understanding of what sets apart a COB LED from other LEDs like SMD, HP, flux LED, etc. LEDs with no diffused optical lens can cause severe glare and zebra strips – it’s uncomfortable as it blazes your eyes. 

However, if the diffused optical lens cover is used, then it causes loss of light causing low illumination. However, COB LEDs solve this basic problem. With multiple chips packaged, it increases the surface area of lighting 10 times more. That reduces uncomfortable glare to a vat extent and improves what the engineers refer to as ‘lumen density’. Moreover, COB LEDs are more energy efficient, while the light output remains constant in this process. 

Now that we have a broad understanding of how COB LED works and how it differs from other variety of LEDs, let’s look at some of the advantages of COB LED.

 

Benefits of COB LED Lights

Improved Lumen Density

High lumen density is one of the most crucial technologies in LED lighting system as it helps in reducing costs. COB allows more LED chips to be packed together. As a result, COB LEDs have the highest lumen density. High lumen enables superior light beam. As a result, it provides strengthened intensity. Greater lumen density also boosts the efficiency of LED lights as there will be fewer wasted lumens. Also, it provides high uniformity even at close working distances.

Greater Focused Light

With COB LED lights’ thermal design, you can get more focused light. The reflectors condense the LED light chips in a much smaller space. Hence, they emit not only uniform light but also high-density light. Also, COB LEDs come with enhanced light spectrum. It increases brightness and vibrancy. As a result, they form the right artificial source of light for plants in flowering stage.

Smaller Size

One of the most attractive attributes of COB is its compactness of size. They are small, and hence, occupy less space. A COB and SMD might have the same lumen, but the former is much smaller than the later. This is because the cell chips are bare and are densely packed together.

Lowered Heat

Thermal management in LED is crucial as it affects the overall efficiency and performance of your LED lights. Light-emitting diodes consume a tremendous amount of power – as much as 350 milliwatts. Now, in LEDs most of the energy is converted to heat. If this heat is not released, then it hampers the efficacy of the diode reducing its life span. However, there is no such fear in case of COB LED as it doesn’t have a lot of components. Also, the substrate material, the board circuit, and the heat sink components together ensure that there is an even distribution of heat energy. Superior Thermal Performance increases life, stability and reliability. 

High Battery Efficiency

High lumen density has always been inversely proportional to battery runtime. More the brightness, more will be the battery consumption, and consequently, shorter run time. However, with COB LED technology, this longstanding discrepancy is sorted – a low wattage Led can provide extremely bright light. 

Thus, in COB LED lighting systems, a lightweight lithium-ion battery pack can run for the longest time. High battery life combined with low heat emission makes COB LED energy efficient – and hence, a judicious investment.

Now, that we have had a close look at all the major benefits of COB LED lighting system, let’s have a look at some of the top features of COB LED with respect to the advantages discussed.

 

What to Look for When Searching for COB Grow Lights?

A LED growth light has many features. Let’s have a look at what to look out for when choosing a Grow Light.

Material

Quality determines durability. Make sure the grow light is built of credible raw materials that will promise good quality. In this way, they will be durable and efficient. 

Brand Reputation

A company with long history that promises extensive research is always the reliable one. Choosing a brand can always be tricky. There are so many factors that need to come to place that it gets complicated. There is price, quality, and also the reputation of the brand. It is always advisable to look for reviews and take opinions before buying a COB LED light.

Electricity Consumption

As discussed earlier, electricity consumption is one of the most important factors that one should consider before buying a LED growth light. The lights have to be operated for at least 10 to 11 hours every day. Thus, you should check for how many units is the total output. Ideally, you should never settle down for above 300W. Otherwise, the electricity bills are going to bombard you. 

Low Heat Output

 The lights are generally in proximity to the plants. Hence, having a low heat output is essential. Also, if a light has higher heat output, it will burn out quickly. And consequently, it will have to be replaced.  

Summary
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