11 Best Cob LED Grow Lights 2018 For Cannabis – Complete Reviews & Buyer’s Guide

11 Best Cob LED Grow Lights 2018 For Cannabis – Complete Reviews & Buyer’s Guide
4.4 (87.27%) 11 votes

We are sure that you’ll agree that all plants need good light source to thrive, correct?

If you are growing plants indoors, then you might be always on a lookout for good bright lights.


You must have heard somewhere about the Best COB LED grow lights!

If not then…

No worries, we are here to show you an the best alternative to HID lighting systems.

Best COB grow lights

Best COB grow lights

COB is a short firm for Chip On Board.


these Best COB Led grow lights are taking over all other types of lighting systems when it comes to indoor plant growing.

It is the newest development in lighting industry technology.

The companies have figured out that if you take multiple LED’s and mount them on a single board, you get a better performing lighting system.

Generally, all the LEDs are mounted on ceramic or copper board. With all the LEDs glowing out at the same time, you get a single simulated light sources instead of many different ones.

Within Indoor cannabis growing market, some best COB LED grow lights are thriving.

Because they are cheaper and more reliable than traditional HID bulbs. Also, you will get a white light with a full spectrum, so your growing area will not look purple or pink all the time.

They even save your energy as they use about the half the wattage compared to HID.

Best Cob LED Grow Lights 2018 For Cannabis

Best Cob LED Grow Lights 2018 For Cannabis

Therefore, we have brought you the Best COB LED grow light reviews.

Read our reviews of COB LED grow lights for weed and see if you can find the one best COB LED grow light for yourself.

11 Best Cob LED Grow Lights 2018 For Cannabis

ModelWattage (watts)Warranty (years)Link
KingLED X6 18003 Check Price
CF Grow CXB3590 1200 Check Price
Roleadro3001 Check Price
Maxbloom X6 Plus6005 Check Price
Roleadro4002 Check Price
Hydrobest Hydropics red 8003 Check Price
Bloombeast A900 9005 Check Price
Maxbloom X4 Plus 4005 Check Price
Hipargero 4001 Check Price
Hollandstar10003 Check Price
Maxbloom X8 Plus8005 Check Price

Cob LED Grow Light Reviews

So, Now let’s have a look at the complete review of the COB LED grow light,

Shall we?

KingLED X6 COB LED Grow Light – one of the best COB LED grow light for weed


So you are looking for the best COB LED grow light?

Let us show you this KingLED X6 COB LED grow light. This cannabis grow light has no glass or shatter pronematerial in it, making it very durable and long lasting.

It is ideal kind of grow light for growing various kinds of plants indoors.

But more importantly, it is really suitable for growing weed, as you get an effective full spectrum of light emitting from it. Which is similar to sunlight spectrum of 410 to 730 nm.

It also saves your power; it consumes only 325 watts of power thereby reducing the operating costs. You also get a big lighting area along with high LUX.

This Is one of the best COB LED grow light for weed as it is very bright and very long lasting.

Also, you get 2 fans inside the casing which keeps the lights temperature to a minimum. Along with that, you get drilled holes on the casing so as to enhance the air circulation.

The manufacturer has their own reliable factory with skilled workers who research and design the very best COB LED grow lights. They will provide you with a 3 years’ warranty with this COB LED grow light. You will also get a free power cord and free hanging hook with your purchase.

  • 3 years of warranty
  • 24/7 customer service available
  • Full spectrum light
  • Saves power
  • 2 fans to keep everything cool
  • High LUX and coverage area
  • High investment at the start


CF Grow CXB3590 CREE COB LED grow light – New styled best COB LED grow light for weed

This CF Grow CXB3590 COB LED grow light is best for planting all kinds of fruits and flower plants inside you home.

It will mimic sunlight and give you a full spectrum of light 380 to 780nm. Which, is really good for your cannabis plants.

It has enough output power to replace a 400 watt HPS lamp. The power output you will get from this COD LED grow light for weed is 120 watts.

The long life and high quality of this COB LED grow light in ensured by the company called MEANWELL, they make sure that you also get a stable voltage on these lights.

The holder on this COB LED grow light is made by USA Ideal and the connector is made by Germany WAGO brand. These are some world famous companies which make good quality stuff.

You will get a free metal hook and a power connector with the purchase of this best COB LED grow light for weed.

  • Very bright CREE diodes.
  • Full spectrum light.
  • 50,000 hours of lifetime.
  • Lightweight.
  • New style, looks good.
  • No warranty
  • High price for low power


Roleadro COB LED Grow light – High precision best COB LED grow light for weed

Looking for a cheap COB LED grow light from weed?

Then look no more!

We bring you this Roleadro COB LED grow light, which is cheap as well as bright.

This is one of cheapest on our list of COB LED grow light reviews.

First things first, this COB LED grow light is anti-corrosion, anti-oxidation, anti-static and dustproof. And also works well in almost all weathers.

The big 120-degree reflector will give you a very wide area of coverage as well as create a diffuse reflection for excellent light penetration.

By packing lots of LEDs in small place, you get 20% reduction in light loss and also get high LUX and PAR values.

Isn’t that great?

The manufacturer has kept the interior clean and simple, because of that the air circulates properly inside the light and keeps the temperatures down. Also, it is easy to repair things, if one fails, other systems won’t be affected.

Wait, there are more feature.

You get an ON/OFF switch so that you can turn it off when plants don’t need it, to save power.

Thousands of growers are experiencing amazing effects are using this best COB LED grow light for weed.

You can also daisy chain it to form a long area of coverage. The spectrum you get on this light is full spectrum same as in sunlight.

With the purchase, you will get a 30-day money back guarantee and a 1-year warranty.

  • Revolutionary cooling system
  • 20% reduction in light loss
  • Amazing effect on the plants
  • ON/OFF switch
  • Compact, lightweight and durable
  • Daisy chainable
  • Superior COB technology
  • Simple light design
  • 1 year warranty
  • There is no mention of the spectrum values.
  • You cannot control the spectrum manually.


Maxbloom X6 Plus COB LED Grow light for weed – High warranty product

Looking for a very reliable product?

Maxbloom makes lights since 2008, they have a ton of experience under their belt.

Well, let us introduce you to the Maxbloom X6 plus best COB LED grow light for weed.

They will give you 5 years of warranty!

Let that sink in for a moment.

That’s fabulous isn’t it?

Just by replacing your lighting system with this COB LED grow light for weed, you will notice that the yield of your plants will increase by 20 to 30 percent.

You also get a full 12 band spectrum of light. The additional Bright pink light along with UV and IR will enhance the speed of photosynthesis and will bloom your weed in a faster and better way.

You can also control the light intensity on this best COB LED grow light from 0 to 100 percent. It is very easy to install and you also get a hanging kit if you need to hang it above your plants.

Talking about other features, this best COB LED grow light is completely eco-friendly and Is also approved by RoHS.

You will get a 90 days no questions asked guarantee, a 6-month replacement warranty and 5-year part warranty.

  • RoHS compliant
  • Eco friendly
  • Cheap
  • 5 year warranty
  • increases yield by 20 to 30 percent
  • Full spectrum light
  • Experienced manufacturer
  • More weight than other COB LED grow lights.


Roleadro 400W COB LED grow light for weed – Reputed Manufacturer

This company has been making lighting equipment for indoor plant growing from past 9 years. They have a lot of experience designing and manufacturing good lighting systems.

This grow light has been mentioned in amazon’s choice for best COB LED grow lights for weed.

Recently they have released this 400-watt COB LED grow light for weed. It has a full spectrum, meaning it mimics the sunlight completely to help your plants grow indoors. This full spectrum will help you with plant growing from the start to the very end.

You get a bright and more coverage area. Also, it will reduce your energy bills by saving the power and it also has a very little heat output.

Thanks to the integrated COB LED, this grow light can give you more PAR value along with uniformity in colour.

The CE certified fans inside the unit will make sure that the temperature stays low. Also, the aluminum on this grow light acts as cooling system and reduces the contact thermal resistance. All these things would ensure that your plants grow in a healthy way.

After buying this COB LED grow light, you will get a 30-day money back guarantee along with a 2-year warranty on the product.

  • Cheap
  • Full spectrum light
  • High PAR value
  • Good colour uniformity
  • good cooling capabilities
  • You will not be able to control the intensity of the light.
  • Limited features


Hydrobest Hydropics red COB LED grow light for weed – High power output at cheap price

Looking for a cheap COB LED grow light with a good power output?

Well, we present to you the Hydropics Red COB LED grow light. Which has a power output of 800 watts.

The company has patented its design of reflective cups and lens, what that does is, it increases the light gathering effect resulting in higher PAR and LUX values than other normal COB LED grow lights.

This best COB LED grow light for weed is best for vegetative stage and bloom stage of your plants as integrated COB of LEDs increase the luminous efficiency and colour uniformity.

You can use this COB LED grow light anywhere in the world, it requires AC 85 to 265V of power to operate. Also, it can be attached alongside a HPS.

Other features include: good colour ratio, best heat dissipation, good stability and long lifetime.

At a hanging height of 18 inches, this light has a PPFD of 1360umol/m2/sec. Which is really good and higher than other brands.

After the purchase, you will get a 3-year warranty in case anything goes wrong or breaks.

  • Long lasting
  • Good heat dissipation
  • Good PAR and LUX values
  • High PPFD
  • Cheap
  • Some customers found that one or a few LEDS were not lighting up at the first start


Bloombeast A900 COB LED grow light – high powered COB LED grow light for weed

Ok, so we have one more manufacturer who provides the customer with long warranty. This shows how great their product is.

According to the manufacturer, after using this COB LED grow light they saw a 20 percent increase in the quality and quantity of their marijuana product. Also, it uses less electricity than other lights while staying very cool.

You get 3 different kinds of control with this COB LED grow light. You can use these dimmers for seeding, vegetation or bloom states of your plant. Or you can adjust the brightness from 0 to 100 percent as per your liking.

It also has a very attractive design which looks unique and elegant. It features an inbuilt fan for high efficiency heat dissipation.

Since 2010, Bloombeast has produced only LED grow lights in china, so they have a lot of knowledge about the design and manufacturing.

Talking about the light spectrum, you will get a full 15 band spectrum which includes blue, red, white, UV, IR etc.

The best part about this product is that they will give you a 90-day money back guarantee, 6 months’ free replacement along with 5 years of warranty.

  • Extremely bright
  • Good canopy penetration
  • Good power output
  • Low enegy consumption
  • Very long warranty
  • Full 15 band spectrum
  • Bulky and heavy


Maxbloom X4 Plus COB LED grow light – Best COB LED grow light with very high ratings

So we have one more COB LED grow light from Maxbloom. They have various different models for different needs of users.

This X4 Plus COB LED grow light has a power of 400 watts. With 9 years of experience in making LED grow light, this company has perfect their COB LED grow lights to the point where, just by using these lights you can increase your yield by 20 to 30 percent.

That is phenomenal isn’t it?

It features super bright pink CREE LEDs joined together on the board. This highly packed group of LEDs make full spectrum of light which is essential in plant growth. It also gives out UV and IR bands. All this together can increase the rate of photosynthesis in your plants and make then grow healthier in no time.

The company understands the need of dimming the light at various point in plants growth. Therefore, they have provided you with the capability to dim the lights intensity from 100 to 0 percent. So you can have different kinds of light intensity for your plants.

It is also made with silicone rubber seals which makes this COB LED grow light waterproof.

As with all their products, you will get a 90-day money back guarantee, a 6-month free replacement warranty and 5-year warranty.

  • Full spectrum
  • Waterproof
  • Bright
  • Cheap considering the features
  • 5 years warranty
  • RoHS compliant
  • Eco friendly
  • UV and IR enabled
  • Reputed manufacturer
  • 4.8 rating on amazon
  • Some users noticed that the growth in their plants is not 20 to 30 percent as advertised. (also depends of how much care you take of your plants).


Hipargero COB LED grow light – best COB LED grow light for small cannabis home indoor plants

The light spectrum on this Hipargeo COB LED grow light is unique to itself. They use two 1200K, one 1300K and 1 5000K 90-watt COB LEDs. They have specially developed this combination for plants.

It is ideal for all stage of a plant growth and it can provide a full spectrum from 410nm to 720nm of light.

For the fruiting stage, they have added 10 more pieces of 5 watt 660nm CREE LEDs so that you get the best yield during flowering and fruiting stage. They have used 5 Watt CREE XTE chips which are currently best in the market.

So they will last a long time without burning out.

It is very easy to install this COB LED grow light; you will only need a power supply of 85-265VAC. And you get a very simple on and off button as well.

All the COB LED grow lights made in their factory undergo a temperature test. They have installed 2 cooling fans which are well sufficient to keep the temperatures on the low side. Along with that, the casing is made out of aluminum so it acts like a heat sink and dissipates all the heat generated.

You will get a 30 days’ money back guarantee along with a 1-year warranty when you buy this best COB LED grow light for weed.

  • Power cooling system
  • Made with aircraft grade aluminium
  • Wide variety of light spectrum
  • 1 year warranty
  • CREE XTE chips used
  • best for all kinds of plant growth stages
The outer casing gets hot when you use it


Hollandstar COB LED grow light for weed – Cheapest on the list

Looking for a very cheap COB LED grow light for your plants?

Look no further!

We present to you the Hollandstar 1000-watt COB LED grow light for weed.

You will the highest Par by Lumen output per LED when compared to other brands. Along with that, this COB LED grow light is much brighter than 2 watts and 5 watt LEDs and even more efficient.

As all other COB LED grow lights, you will get a full spectrum of light output for your cannabis plants. This full spectrum is enough for all the stages of plant growth, be it vegetation or flowering.

This best COB LED grow light is really very silent, thanks to the inbuilt 4-piece fan which help ventilate the hot air. The out casing is made of aluminum which acts like heat sink, reducing the overall temperature.

Compared to other 1000 watt HPS lamps which take 1000watts of energy, this COB LED grow light takes only 200 watts, thereby saving your money on bills.

With the purchase you get a 30-day money back guarantee along with a long 3-year warranty.

  • Very cheap
  • uses on 200 watts of energy
  • very bright for a small COB LED
  • 1000 watt output
  • 3 year warranty
  • It is not waterproof
  • User complain that is not that bright


Maxbloom X8 Plus COB LED grow light for weed – Editor’s choice

So this is the final COB LED grow light that we have to show you.

It is manufactured by a long time expert on LEDs, the Maxbloom company.

We just love this best COB LED grow light for weed, and would recommend everyone to buy it.

As with all the X series, you get a very bright pink colored Light. Which includes all the spectrum of light need for plant growth. All the 12 band light spectrum also includes UV from 380nm to 420nm and IR from 720nm to 760nm.

All these lights give a boost to your plant and increase their yield by 20 to 30 percent.

You also get two separate dimmers, one for vegetation stage and another for bloom stage. You can actually control the light intensity form 0 percent to all the way up to 100 percent.

These COB LEDs are designed with special focus on energy savings. It will save you a lot of money on energy bills when compared to HPS lighting systems. They also work very quietly as it has a very silent fan installed inside it.

When purchasing this best COB LED grow light, you will also get a 90-day money back guarantee, 6-month free replacement warranty and a 5-year warranty if anything breaks down.

  • 5 year warranty
  • Best for medicinal marijuana
  • RoHS compliant
  • Eco friendly
  • Energy saver LEDs
  • Bright full spectrums
  • Ability to control and dim the intensity of light
  • None that we could find



So you might have already chosen a COB LED grow light of your liking. But if you haven’t – then let us help you out. We would love to recommend everyone the Maxbloom X8 Plus COB LED grow light for weed.

The reason being, it is manufactured by a company which have many years of experience in making LED grow lights for indoor plants. They do rigorous testing to ensure that they deliver only the high quality products.

They have so much faith in their products that they give out 5 years’ warranty. Along with all that you get a product which is efficient, energy saver and even eco-friendly.

So go ahead and buy the Maxbloom X8 Plus COB LED grow light and see you plants go healthier than ever.

Have Fun Growing Cannabis!

One Response

  1. Max May 3, 2018

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