Best Cob Led Grow Lights: Reviews and Buying Guide

Last Updated on April 29, 2022

If you’re looking for the best LED grow lights on the market, you’ll want to consider cob (chips on board) LEDs. These lights are becoming increasingly popular due to their many benefits, including energy efficiency and low heat output.

The COB LED grow lights pose to be a great alternative to the conventional HID, SMD or other modern LED grow lights not only because they produce more intense light and have a larger optimum coverage area but also because they consume less electricity and have a higher life span and are more durable.

They also emit minimum heat and there is almost no risk of your cannabis plants getting damaged due to the heat from the grow lights.

But these highly efficient grow lights have their share of disadvantages as well.

One of the major disadvantages of the COB LED grow lights is the lack of the color changing feature of the grow light. So you cannot adjust the color of the grow light in accordance with the stage of growth but you will have a full light spectrum that is capable of supporting all the growing phases all the time.

If you do not choose your COB LED lights wisely you may also end up buying a poorly packaged light that may have too many diodes crammed into a single substrate which may lead to overheating and ultimately damaging the light, hence reducing its lifespan or lowering its efficiency to a great extent.

These issues may be non-existent if the light is well packaged.

Thus to guide you through the process of choosing the best COB LED grow lights for your hydroponic garden set up, in this article, we’ll review the best cob LED grow lights on the market and provide a buying guide to help you make the right decision.

Best Cob LED Grow Light Reviews

 Now that we have already provided you with the factors that largely influence the choice, let us have a look at some of the best COB LED grow lights.

#1. King Led Grow Light

KingLED Newest 1500w LED Grow Lights with LM301B LEDs and 10x Optical Condenser 4x4 ft Coverage Full...

The KingLED Newest 1500w LED Grow Light is a powerful and energy-efficient grow light that uses the latest SMD LEDs and reflector technology to provide full spectrum lighting for your plants. It features multiple high-speed mute fans and upgraded aluminum radiators, allowing it to operate at temperatures as low as 50-60 degrees even when placed close to your plants.

The KingLED Newest 1500w LED Grow Lights are the latest and greatest in high-tech grow lighting technology. Made with SMD LEDs and reflector technology, these lights provide optimal PAR output, energy efficiency, and light penetration. Perfect for both vegetative growth and flowering cycles, they are ideal for anyone looking to take their indoor grow operation to the next level.

The KingLED Newest 1500w LED Grow Lights are perfect for covering a 4’x4’ area for vegetative growth and a 3.5’x3.5’ area for flowering.

The KingLED Newest 1500w LED Grow Lights have a full light spectrum that provides optimum coverage for both vegetative and flowering growth cycles. The spectrum ranges from 380nm to 780nm, providing everything your plants need to thrive.

With multiple high-speed mute fans and upgraded aluminum radiators, these lights stay cool while operating at 50°F to 60°F, making them some of the most efficient, and effective grow lights on the market today. If you are serious about indoor gardening, then the KingLED Newest 1500w COB LED Grow Lights are the perfect choice for you. So why wait? Try them out today and start enjoying the best harvest of your life!

Pros

  • 1800W COB LED Grow Light
  • Full Spectrum Light in the range of 380nm to 800nm
  • High PAR value with high coverage area
  • Dimmable with 0-100% intensity control
  • Cooling fans and holes on board for heat dissipation
  • High lifespan of 50000 hours

Cons

  • No daisy chaining option
  • Not waterproof
KingLED Newest 1500w LED Grow Lights with LM301B LEDs and 10x Optical Condenser 4x4 ft Coverage Full...
  • HIGH QUALITY LED GROW LIGHT: KingLED grow light has adopted the newest LM301B LEDs and 10 times Optical Condenser to provide high PAR output, high energy efficiency with 2.8 umol/J while improving light penetration. Perfect for 4’x4’ vegetative coverage and 3.5’x3.5’ flowering coverage

#2. Crxsunny 1800w Cob Led Grow Light

1800W COB LED Grow Light Full Spectrum with ON/Off Switch and Dasiy Chain Grow Lamp for Greenhouse...

The Crx Sunny 1800W COB LED Grow light comprises of five COB LED chips of 300W each. The light weight and compact yet powerful LED grow light has an overall dimension of 31cm by 21cm by 6cm and weighs about 3.2 kgs which makes it ideal to be hung from any grow tent rod and can fit in into any grow tent space.

The unit consists of one power cord and a hanging kit for easy installation. This plug and play COB LED grow light boasts of 5pcs of 300W Epistar LEDs.

The COB LEDs have a full spectrum that range from 380nm to 800nm and has a well balanced share of wavelength along with those in the UV and IR range so that it can be considered to be ideal for the grow plants through all the growing stages i.e from the germination to the vegetative state finally culminating to the blooming state.

The Crx Sunny COB LED 1500W grow light has a high lumen value and a high coverage area.

Ideally though both the values depend on the height from which the light is hung, but this grow light suffices a 3″x3″ grow tent comfortably. The grow light can be hung as low as 14″ up to a height of 24″ for maximum yield.

Though COB LEDs are known to emit less heat, the COB light is equipped with a 3 in 1 module heat sink along with holes in the chip board and cooling fans that resists heating up and is considered to be cooler than other grow lights.  The working temperature of the unit is -20-40 degree Celsius.

You can control the system with a timer so that you can run it for 12-14 hours during the vegetative phase or for 12 hours during the flowering stage or for up to 8 hours during the fruiting stage.

The High yielding compact grow light consumes very little energy in terms of electricity (250W) and has a lifespan which exceeds 50,000 hours. It comes with a three year warranty and a 30 day money back guarantee from the manufacturer.

Pros

  • 1800W COB LED Grow Light with Epistar LEDs
  • Full Spectrum Light in the range of 380nm to 800nm
  • High lumen value
  • 3 in 1 heat sink for effective dissipation of heat
  • Consumes only 250W
  • High lifespan of 50000 hours

Cons

  • No daisy chaining option
  • Not waterproof
  • Light intensity cannot be controlled
1800W COB LED Grow Light Full Spectrum with ON/Off Switch and Dasiy Chain Grow Lamp for Greenhouse...
  • 1800W COB LED Grow Light Using Third Fourth Sunshine Spectrum (Look like sunshine white color,if test it,you will find it is full spectrum from 380-800nm) for plants, largely accelerate the plant growth. optimize the investment return of commercial plant growing.

#3. Phlizon 1200W LED Plant Grow Light

Phlizon 1200W LED Plant Grow Light Full Spectrum Daisy Chain Plants Light Double Switch Grow Led for...

The Phlizon 1200W LED Plant Grow Light is a powerful grow light that uses led technology to provide plants with the light they need to grow. This grow light is different from many others on the market because it does not use a reflector to make the light look beautiful. Instead, the Phlizon 1200W LED Plant Grow Light uses double cooling fans to extend the life of the light.

Phlizon is one of the most popular brands when it comes to LED grow lights, and the 1200W model is one of their best. This light is perfect for a 3x3ft growing area at 24″ height, and it can replace a 250watt HPS/MH light while using less energy and generating less heat.

The 1200W LED grow light from Phlizon features a unique dual switch design, with one for “Veg” mode and another for “Bloom” mode. The veg and bloom switches allows you to easily control your plants’ growth cycle and optimize their development based on the growing stage that they are in.

The light is highly energy-efficient, and will help you to save money on your electricity bills while still providing your plants with the high-quality light that they need to thrive. It also features double cooling fans to extend the light’s life and keep it running smoothly for years to come.

Overall, the Phlizon 1200W LED grow light is an excellent choice for anyone looking for a high-quality, energy-efficient grow light that will help their plants to thrive. It is well worth the investment, and will provide you with years of use.

Pros:

  • The light is highly energy-efficient, and will help you to save money on your electricity bills while still providing your plants with the high-quality light that they need to thrive.
  • It also features double cooling fans to extend the light’s life and keep it running smoothly for years to come.

Cons:

  • Some users may find the dual switch design of the veg and bloom switches a bit confusing or difficult to adjust depending on their individual needs.

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#4. Bloombeast A900 Cob Led Grow Light

Bloombeast has been specializing in high yield low heat emitting lights with UL CE ROHS certified parts since 2010. The Bloombeast A900 is one of the most popular COB LED grow lights available in the market.

This grow light from the Bloom beast A series has an extremely reliable and durable built along with a user-friendly design and optimum unmatched performance. The overall dimensions of the unit is 22″ by 14″ by 2.7″ .

The grow light is equipped with 3 large sized 100W COB LED chips along with 140 pieces of 5W LEDs so that it is capable of providing a well balanced light and gives a yield which is at least 20% higher than other COB lights.

The Bloombeast A900 features a light spectrum that boasts of 13 band of colors with wavelengths that also span in the UV and IR range. The spectrum is ideal for and provides an all round growth to the plants through all the growing stages.

In addition it has supportive optical lens that distributes the light in an uniform manner and helps in producing denser light in the grow space.

The growlight has a high PAR value with a maximum value of 856uMol which is excellent if you consider the effectiveness in a specific area. The Bloombeast A900 can cover a grow space of around 5″ x 4″ providing optimum growth to the grow plants in this space.

This is pretty high if you compare it to the light intensity and the coverage area of the others mentioned in the list. The light intensity is controlled by three mode switches and three knobs that are characteristic of the three growing phases viz, seedling, vegging and blooming.

The three knobs are used to control the light intensity in a particular phase and is dimmable from 0 to 100%.  This highly efficient COB LED grow light consumes around 400W though the amount of electricity drawn depends on the dimmer settings.

But even then this saves a lot of money and thus we can claim that this light has a low running cost.

Coming to the heat dissipation system of the light,  it has multiple cooling fans that does not allow the heat to accumulate and so you will never face any overheating problems with this light.

The manufacturers know what this light stands for and has provided the best quality parts and that”s the reason they provide a 5years warranty on the product.

Pros

  • 13 band full spectrum
  • Mix of LED chips and COB LEDs
  • 3 separate knobs and dimmable
  • High PAR value and great coverage area
  • Low power consumption and great cooling
  • 5 year warranty

Cons

  • No daisy chaining option
  •  Not waterproof
  • Light intensity may be strong for naked eyes

#5. Maxbloom X8 Plus

MaxBloom 800W Dimmable COB LED Grow Light 12-Band Full Spectrum Plant Growing Lamps with Veg/Bloom...

The Maxbloom X8 Plus is a compact 800W COB LED grow light system that has an overall dimension of 26.6″x11.8″x2.4″and once again features a mixture of COB LEDs and 5W traditional LED chips has a power of 800W to its credit.

This light intensity is achieved with the help of four 100W COB LEDs and 96pieces of 5W LED chips.

While the COB LEDs provide an uniform illumination all throughout the Epistar and Bridgelux chip LEDs together are responsible for delivering a 12 band spectrum light with UV rays in the 380nm-420nm range and IR rays in the range of 720nm-760nm.

The spectrum has tested extensively by professional growers for 6 years and is said to yield 20-30% more than standard LED grow lights.  

The CREE COB LEDs along with the LED chips are also responsible for a fairly consistent high PAR value and a high coverage area with uniform illumination. It can easily suffice a grow space of 6″ by 4″.

The Maxbloom X8 Plus has  a remove free modular design for easy maintenance and optical lens with silicon rubber to protect the LEDs from water.

In addition it has two dimmer knobs that can be used to control the light intensity between 0 to 100% in the vegetative and blooming stages. The grow light is equipped with UL fans that are quiet and does not make any noise while dissipating the heat generated from the LEDs. This plug and play grow light does not require any external ballast and comes with a hanging kit for easy installation. The manufacturers offer a 90day money back guarantee, a 6 month free replacement warranty and a 5 year warranty on the product.

Pros

  • 4 COB LEDs and 96 5W LED chips provide a 12 band light spectrum
  • Two dimmable knobs for veg and bloom stages
  • High PAR value and great coverage area
  • Quiet UL cooling fans
  • Optical Lens with Silicon rubber waterproof
  • 5 year warranty, 6 month replacement warranty and 90 day money back policy

Cons

  • No daisy chaining option
  • Light intensity may be strong for naked eyes
MaxBloom 800W Dimmable COB LED Grow Light 12-Band Full Spectrum Plant Growing Lamps with Veg/Bloom...
  • Fast Delivery, arrive within 3-5 days☀ OPTIMAL FULL SPECTRUM AND OPTICAL LENS - X8 LED grow light with the truer 12-band full spectrum LED grow light dimmable 800W including UV 380nm&420nm/IR 720-760nm LEDs , ensure your grow effect, 20%-30% more harvest than other brand led grow lights, ideal for all stages of indoor plants growth, seedling, Veg, flowering and fruiting.

#6. BESTVA 1500W Led Grow Lights

BESTVA 1500W Led Grow Light 4x4ft Coverage LM301B Diodes 10x Optical Reflector Full Spectrum LED...

The BESTVA 1500W LED Grow Light is a high-quality light that is perfect for growing plants. It features a double LM301B diode design, which results in low energy consumption. Additionally, the light has two cultivation modes – full spectrum LED light and an energy saving mode. The lamp also comes with a durable cooling system that includes multiple high-speed mute fans and upgraded aluminum radiators, allowing it to function at temperatures as low as 50-60 degrees F.

The BESTVA 1500W Led Grow Lights is a top-of-the-line product that is perfect for indoor gardening. The light features upgraded aluminum reflectors, double LM301B diodes, and two cultivation modes. The full spectrum LED light is perfect for plants of all stages of growth, and the durable cooling system keeps the light working efficiently and effectively.

With its high-quality components and excellent performance, the BESTVA 1500W Led Grow Lights is great for novice and experienced growers alike. Whether you are looking to cultivate plants at home or in a commercial setting, this innovative LED grow light is sure to meet your needs and exceed your expectations.

Pros

  • Comes with two cultivation modes
  • Great heat dissipating system
  • Low electrical consumption
  • 5 years warranty

Cons

  • They are a bit expensive
  • It may not be suitable for all growers
BESTVA 1500W Led Grow Light 4x4ft Coverage LM301B Diodes 10x Optical Reflector Full Spectrum LED...
  • 【Upgraded Aluminum Reflector】 HIGHER ENERGY AND MORE EFFIENCY LED GROW LIGHTING. Through a lot of testing from our laboratory reached the conclusion, the Aluminum Reflector increase spotlight intensity and reduce light waste, improve the penetration of light up to 50%, with 2X higher PPF than the old style. It's not only shorten the planting to fruiting cycle greatly but also increase more yields.

#7. HONORSEN 600W LED Grow Lights

HONORSEN 600W LED Grow Light Full Spectrum 2x2ft Coverage Remote Control Dimmable Grow Lamps with...

The HONORSEN 600W LED Grow Light is a grow light that has 152pcs LEDs and is ideal for indoor plants. The light can be adjusted from 0% to 100% according to the needs of the plants, and it contains 3000K, 5000K, 660nm, and 730nm LEDs. Additionally, the grow light is low on noise and heat, making it a great choice for fans of indoor planting.

The HONORSEN 600W LED Grow Light is a top-of-the-line product that is perfect for indoor gardening. The152pcs LEDs provide more light output and better light penetration than other grow lights on the market, and the intensity of light can be adjusted from 0% to 100%, ensuring that your plants get the light they need to thrive. Additionally, the leds are all new technology SMD leds, providing a more efficient and environmentally-friendly light source. The 3000K, 5000K, 660nm and 730nm(IR) spectrum of this grow light is ideal for indoor plant growth from veg to flower, and the low noise and low heat operation makes it a perfect addition to any indoor garden. I highly recommend the HONORSEN 600W LED Grow Light for anyone looking for a high-quality, efficient grow light.

If you’re looking for a high-quality grow light to use in your indoor garden, I’d definitely recommend checking out the HONORSEN 600W LED Grow Light. Its features such as adjustable intensity and high-quality LEDs make it perfect for helping your plants thrive indoors. Plus, its low noise and heat output make it a great choice if you’re looking for a grow light that won’t add too much extra heat to your home.

So if you’re in the market for a new grow light, I’d highly recommend giving the HONORSEN 600W LED Grow Light a try. Its features and high-quality construction make it one of the best grow lights on the market, and I’m sure you’ll love how your plants respond to this great product.

Pros

  • Intensity of light can be adjusted from 0% to 100% according to the needs of plants
  • 3000K, 5000K, 660nm and 730nm(IR) LEDs provide an ideal spectrum for indoor plant growth from veg to flower
  • Low noise and low heat operation makes it a great choice for indoor gardening
  • 152pcs LEDs with a larger irradiation area provide more light output and better light penetration

Cons:

  • Some users may find the light intensity a bit intense for their needs
  • Expensive compared to other grow lights on the market
BESTVA 1500W Led Grow Light 4x4ft Coverage LM301B Diodes 10x Optical Reflector Full Spectrum LED...
  • 【Upgraded Aluminum Reflector】 HIGHER ENERGY AND MORE EFFIENCY LED GROW LIGHTING. Through a lot of testing from our laboratory reached the conclusion, the Aluminum Reflector increase spotlight intensity and reduce light waste, improve the penetration of light up to 50%, with 2X higher PPF than the old style. It's not only shorten the planting to fruiting cycle greatly but also increase more yields.

#8. FREELICHT FL-1000 LED Grow Light

FREELICHT FL-1000 LED Grow Light with CREE&OSRAM LED Chips, UL Driver, Linkable Full Spectrum...

The FREELICHT FL-1000 LED Grow Light is a top component configuration, full spectrum grow light that is equipped with CREE&OSRAM LED chips. Additionally, this light has 4 different LED chips including warm light(3000K), blue light(5000K), IR light(730nm), and red light(660nm). This LED grow light is also dimmable and linkable for an easy setup. While this light does not come with a fan, it has better heat dissipation than other lights in its class, making it more efficient and easier to use.

The FREELICHT FL-1000 LED Grow Light is a high-quality product that is perfect for indoor gardening. It features a full spectrum of light, which allows plants to grow in all stages of development. The light is also dimmable, so you can customize the brightness to meet your needs. Additionally, the FL-1000 has a heat dissipation system that prevents overheating and also features a fan-less design.

It features a full spectrum of light that allows plants to grow in all stages, from the germination process through to flowering. Additionally, the light is dimmable, so you can adjust the brightness level to meet your needs.

What’s more, this powerful LED Grow Light has an innovative and efficient heat dissipation system that prevents overheating. This is vital for preventing damage to your plants and ensures that they receive the optimal amount of light. Additionally, the fan-less design means that there is no risk of fire or other hazards associated with fans.

Overall, the FREELICHT FL-1000 LED Grow Light is an excellent choice for people who want a safe and reliable way to grow plants indoors without using chemicals or pesticides. Also, if you’re looking for a dependable full spectrum LED grow light that is easy to set up and use, then the FREELICHT FL-1000 is a great option for you.

Pros

  • Full Spectrum Grow Light
  • Dimmable&Linkable
  • Etter Heat Dissipation&Fan-less

Cons

  • No included fan
  • May be too bright for some plants
FREELICHT FL-1000 LED Grow Light with CREE&OSRAM LED Chips, UL Driver, Linkable Full Spectrum...
  • Top Component Configuration: Equipped with CREE&OSRAM LED chips(CREE 3030 FULL SPECTRUM, OSRAM GH CSSPM RED, both are top rated brands in LED area, as professional as Samsung LM301B), UL certified driver, FL-1000 grow lamp can generate light that has the highest energy efficiency(2.9 umol/J) but only consumes 100 watts. FL-1000 can increase your yields by 30% while saving your electricity bills.

Best Cob Led Grow Lights: Buying Guide

As mentioned earlier, there are certain factors that have to be kept in mind while buying a COB LED grow light. These are as follows:

  • Light Intensity and Coverage area:

This is one of the most important factors and the first one that should be considered while buying a COB LED grow light. The intensity and the coverage area of the light should be chosen in accordance with the size of your grow tent and the number of plants that are being considered. Once you have decided on the light intensity that would best suffice your needs, look for the actual intensity of the grow light and not the value that is equivalent to HPS grow light systems.

  • Light Spectrum:

You should carefully choose a full spectrum light that has a sufficient share of light rays in the UV as well as IR range. These rays in a controlled intensity favor plant growth. While UV light not only favours germination of seeds and activates the plants natural defense mechanism thereby protecting it from various diseases, the Infrared rays plays a part in the blooming phase and also increases the length of the stem.

  • Heat Output:

Though COB LED grow lights are known to generate less heat, a good heat dissipating mechanism is always essential and does not allow the damage of the grow light as well as the plants due to overheating. So you need to consider a COB LED grow light system that has a good heat dissipating mechanism. Cooling fans, vents or aluminum heat sinks are what we are looking for.

  • Lifespan:

Most COB LED grow lights have a great lifespan. Consider one that lasts for more hours so that you do not have to invest on them regularly.

  • Budget:

Budget is definitely a matter of concern when you are buying a COB LED grow light because these lights are not very cheap, but going for a cheaper version just to decrease the initial investment cost is not recommended. Consider buying a light that suffices your needs and has a well all rounded performance as well as a good lifespan and a well backed warranty so that your investment is worth the performance.

Conclusion

So we have provided you with a list of some of the best COB LED grow lights in the market. The list has models with different outputs and features for you to choose from. Alternatively there is a buying guide that will also help you choose the COB LED grow light which will suffice your needs. A COB LED grow light that delivers a well balanced full spectrum light that mimics sunlight and has a high PAR value and an effective heat dissipation system along with a low running cost and a high life span is all that you need. Also check best LED grow light

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