10 Best 400 Watt Led Grow Lights Of 2022 – Review And Buying Guide

Finding the best 400 watt led grow lights that will meet all your needs can be a bit of a challenge, even for the most seasoned expert. While many companies still create good 400 watt led grow lightss, the market has turned its attention toward advanced models that carry higher price points.

In our quest to find the most suitable models, we focused on features like comfort, adjustability, and durability. We recommend you take a close look at each product we listed here and see the features you need for your personal use.

Keep reading to learn more…

Top 10 400 watt led grow lights : Editor’s Pick

10 Best 400 watt led grow lights Reviews:

1. SANSI Grow Light Bulb with COC Technology, PPF 65.6 umol/s LED Full Spectrum, 36W Grow Lamp (400 Watt Equivalent) with Optical Lens for High PPFD, Energy Saving Plant Lights for Seeding and Growing

Features :

  • The secondary optical design: PPF: 65.6 umol/s, PPFD: 265.58 μmol/s/㎡ @ 1ft. Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve light bulb lifespan to 25,000 hours.
  • Imitate the solar spectrum: Customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
  • Patented COC technology: Chip on Ceramic, SANSI’s patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency.
  • Safe and Reliable: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable and durable; low IR, less heat radiation, avoiding close Distance exposure burns plants.
  • Guarantees: ETL listed & CE certification, quality and safety verified, 5 years warranty.

Additional Info :

Color 36w
Item Dimensions
Height 6.65
Width 5.16
Length 5.16
Weight 0.79

2. VIPARSPECTRA 450W LED Grow Light, with Daisy Chain,Veg and Bloom Switches, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower

Features :

  • 【Optimal Spectrum】The secret to VIPARSPECTRA’s success is optimal full spectrum lighting which provides plants in all stages from veg to flower with everything they need in the natural sunlight. This results in bigger buds and higher yield all while saving you on energy costs.VIPARSPECTRA is a trusted brand in the lighting industry by providing the best customer care with quality and safe products.
  • 【VEG & BLOOM Switches】 The V450 light comes with VEG and BLOOM switches,which are suitable for each growing phase. Upgraded aluminum cooling heat sinks and advanced high speed quiet fans are great for heat dissipation.
  • 【Outstanding Design】Sturdy durable construction with fire-resistant iron housing. Upgraded aluminum cooling heat sinks and advanced high speed quiet fans are great for heat dissipation. Daisy chain feature assists growers to connect multiple lights together with fewer outlets.
  • 【Coverage Area】 Comparable to traditional 300W HPS/MH while consuming only 200W! Perfect for a 2.5’x2.5’ vegetative coverage at 24” and 2×2’ flowering coverage at 18”.
  • 【Worry-free 3 Years US warranty】We are a professional manufacturer which specialized in LED grow light for many years. Products’ quality and professional customer service are always our Top concerned. We offer 3 Years local warranty and 30 days money back guarantee. If you have any questions, please feel free to contact us. We will offer you professional guidance to help you and your plants grow better.

Additional Info :

Color Black
Item Dimensions
Height 2.4
Width 8.4
Length 15.8
Weight 6.4

3. BLOOMSPECT Upgraded 600W LED Grow Light with Daisy Chain, Dual Chips Full Spectrum Plant Grow Lights for Indoor Hydroponics Greenhouse Plants Veg and Flower (60pcs 10W LEDs)

Features :

  • B600 only consumes 132W±3%, the electricity of 0.132kW·h per hour to save more money than HPS/MH lamp; Perfect for 2.5×2.5ft grow area while 2x2ft flower area.
  • Well balanced spectrum of blue, red and white emitting from upgraded 10 watt double-chips LEDs make more efficient and better higher yields.
  • Multiple vent-holes, large aluminum heat sinks and bass high speed cooling fan are contributed to first-rate heat dissipation.
  • Ideal for all kinds of indoor gardening plants like lettuce, orchid, organic herbs, strawberries from vegetative grow to bloom.
  • 2 years warranty plus 30 days money back guarantee. To obtain warranty service timely, please contact us via Amazon Messages.

Additional Info :

Color White
Item Dimensions
Height 2.7
Width 7.9
Length 11.8
Weight 4.8

4. 600W LED Grow Light, WAKYME Full Spectrum Plant Light with Veg and Bloom Double Switch, Thermometer Humidity Monitor, Adjustable Rope, Grow Lamp for Indoor Plants Veg and Flower(60pcs 10W LED)

Features :

  • 【Long Service Life】Service Life is more than 100000 hours: We refuse reflectors and adopt 60PCS double chips SMD led; Each LED has diode to protect the dual chips. Built-in aluminum substrate with multiple vents and a high-speed big fan(rpm up to 2000), cool and quiet(only 35-40 decibel), efficient heat dissipation to maximum extend the light life.(NOTE: This 600W grow light don’t have timer function)
  • 【Wide Coverage】60PCS SMD led(total 600W) provides uniform illumination. It can replace traditional 600 watt HPS/MH while consumes only 110-115 watts. Ensures maximum yield with minimum power usage and heat. PAR 436umol/m2s at 24” height, perfect for 2x2ft growing area(Maximum coverage area at 3x4ft at 24” height).
  • 【Optimal Full Spectrum】Led grow light Full spectrum design, it also has universal Blue, Red, IR, UV, White light. Blue and red led is essential light for all plant growth. Expensive IR UV led can promote plants to defense mechanisms, promoting plant healthy growth.
  • 【Double Switch】This grow lamp has Veg and Bloom switch functions: VEG switch for seeding/germination and young vegetative growth. BLOOM switch for flowering and fruiting. You can also use both Veg&Bloom to get more Red/Blue heavy output and deliver maximum performance for flowering and fruiting.

Additional Info :

Item Dimensions
Height 12.2
Width 8.35
Length 2.36

5. Bloom Plus Latest XP4000 LED Grow Light with Samsung LM301B Diodes 400W Upgraded Dimmable 5×5 ft Coverage Full Spectrum Plant Grow Light for Indoor Plants Seeding Veg Bloom Hydroponic Growing Lamps

Features :

  • TOP PERFORMANCE & HIGH EFFICACY: Bloom Plus upgraded XP4000 LED growing light use the latest high-efficiency (2.7 umol/J) LED plant light technology – Samsung LM301B Diodes for extremely high output, increase the yield of crops and save operation cost, generates more usable lighting per watt, and provides better light canopy penetration.
  • LESS ENERGY CONSUMPTION: Comparable to traditional 800W HPS/MH, XP4000 Plant Grow Lamp consumes only 400Watt with 832 pcs LEDs! Get 50% higher yield harvest and save costs. Perfect for core coverage 5×5 ft. Adjust the height and brightness properly to meet your plants desired level for optimal growth.
  • ADVANCED FULL SPECTURM & DIMMABLE KNOB: Delivering optimal light-spectrum coverage – 650-665nm Red Lights ,2800-3200K warm lights, 4800-5000K white lights ,730-740nm IR lights, best for all stages growing from seed to flower, increase yield & crop quality‎. XP4000 LED indoor growing lamp has a dimming knob that makes it adjustable to different growing periods for your plants; It can adapt to the growth needs of different plants in different periods.
  • SILENT OPERATION & SOLID CONSTRUCTION: Fanless LED grow design will make your growing life quiet. Large areas of solid aluminum heat sinks help you to achieve the ideal cooling system. Adopts high performance power supply driver to achieve high PAR output, longer lifespan to speed up plant’s grow processes and boost yields while saving you on your energy bill.
  • 100% SATISFACTION GUARANTEED—The Bloom Plus LED Grow Lights offers a 30-day money-back guarantee and a trusted 3 years warranty. Professional U.S. local after-sales service provides you with the most convenient shopping experience. Make sure you purchase authentic Bloom Plus grow lights. If any questions, please feel free to contact us by email.

Additional Info :

Color Silver
Item Dimensions
Height 2
Width 20
Length 23
Weight 14

6. Phlizon 2022 Upgraded 600W LED Plant Grow Light with Samsung LEDs Full Spectrum Plants Light Double Switch Grow Led for Indoor Plants Veg and Flower (600W)

Features :

  • NO REFLECTOR NO DANGER- Many others’ grow lights are used led spotlight reflector to make the light look beautiful, but we don’t use it because the led reflector is not heat-resistant. If a short circuit occurs,reflector at 80℃ is easy to melt and fire. we do not use the reflector, we can not give up the safety beause of beauty.
  • COMPARE TO HPS/MH- Compared to MH / HPS lamps, it generates less heat, more energy saving and lower electricity bills and more comprehensive light spectrum. The 600W LED grow light can replace 100watt HPS/MH. More effective coverage area than any reflector series lights. Perfect fit for a 2x2ft growing area at 24″ height. The difference of us is that we use double cooling fans. which can most extend the light life.
  • DOUBLE SWITCH- Veg and Bloom button have different function. Veg switch: It’s blue led and white led. For seedling or young vegetative growth,you can use Veg switch only. Bloom switch: It’s red led and white led. For flowering/blooming,you can use both Veg and Bloom switches together. View Angle of LEDs: 90°and 120°
  • FULL SPECTRUM- We did lots of experiments to ensure that this full spectrum promotes plant growth. It includes universal blue red IR UV and white leds which can provide everything plant desired in the natural sunlight. The IR and UV leds can promote plants to defense mechanisms, blue and red led is essential light for plant growth.
  • BEST SERVICE- Phlizon is a professional LED light manufacturer with strong R&D team and many light tester. 2 years warranty plus 30 days money back guarantee. If you have any problems, please don’t hesitate to contact us. We will provide you with a completely satisfing reply.

Additional Info :

Color 600w
Item Dimensions
Height 6.692913379
Width 2.362204722
Length 15.74803148
Weight 4.850169764

7. LED Grow Light SUNRAISE Q4000 4x6ft 5x5ft 6x6ft Dimmable LED Grow Lights with IR, Upgraded Full Spectrum LED Growing Lamp with 1296Pcs LEDs Commercial Grow Lights Size 44.88″ x 22.6″ 400w

Features :

  • 【BIG SIZE BIG FOOTPRINT】 SUNRAISE Q4000 with size 44.88″x22.65″, comparable to traditional 800W HPS/MH while consuming only 400W! Perfect for 6x4ft tent. Vegetative coverage 6×4 ft at 20”and flowering coverage 6x3ft at 12″. Please Remember to properly adjust the height and brightness accordingly to your plants desired level for optimal growth.
  • 【SUNLIKE FULL SPECTRUM GROW LIGHT】Full spectrum 3000K, 6000K, Red and IR, suitable for all stages of indoor growth providing sun like quality spectrums for rapid plant response from seed to flower. SUNRAISE use the newest SMD LED Technology to provide a high PAR output, and high energy efficiency.
  • 【CUSTOMIZED DIMMING DESIGN】SUNRAISE Q4000 LED grow utilize both a dimmer function as well as a power switch. The dimmer knob is featured to manipulate the brightness level of the light, allowing flexibility to obtain perfect growth performance for each growing phase.
  • 【AMAZING HEAT DISSIPATION】Q4000 LED grow lamp with 8 piece aluminum heat-sink. No fans no noise, we used the highest quality driver for unmatched performance in heat dissipation & lifespan. Saves 50% more energy than other old grow lights!
  • 【What you get】1x Q4000 led grow light, 2x stainless steel hanger hook, 2x adjustable ratchet rope hanger, 1x 6.7ft power cord, 1x screwdriver, 24x screws, and welcome guide. We offer worry-free 36-month USA local warranty and professional guidance to help you and your plants grow to their maximum potential.

Additional Info :

Color Q4000
Item Dimensions
Height 5.9
Width 22.65
Length 44.88

8. ACKE ALP-400W LED Grow Light 5×5 Coverage for Veg Stage,Full Spectrum Growing lamp 4×4 Coverage for Flowering Stage,Plant Grow Light for Commercial Indoor Plant Grower

Features :

  • 🌱Facilitating Large and High Quality Yields: ACKE led grow light selected high yielding Osram led light chips are extremely bright and can penetrate further than other plants lights ,to more easily reach and nourish the lower parts of your plants. efficacy with 2.7 umol/J.Max 2.5g yield per wattage
  • 🌿Lower Running Cost: Consuming only 390 watts with 378 leds,It saves up to 50% energy than other hps grow light,Perfect for 4×4 feet grow space,Max for 5×5 grow tents.
  • ☘️Optimal full spectrum grow light lamp : Mimic sunlight,ACKE grow lamp consist of 3000K,5000K, 660nm led chips for your indoor plants no sunlight and provide strong light intensity.The full spectrum led grow light with a “best of both worlds” color temperature of about 3,500K, which you can use for both vegging and flowering.
  • 🌹Run Cool Despite Big power Output: Thanks to the efficiency of the “spider style” of which spreading out light bars with thick aluminum heat sink,Your plants would be able to enjoy more intense light without worrying about the heat.
  • 🌼No Worries warranty: Plug and Play. No installation required. Owing to the grow lamp panel is assembling with 6 individual light bars,it’s so easy to replace it,A plant lamp of easy maintenance,besides,we offer 24 months warranty.Our professional team are always ready to service you.

Additional Info :

9. SAMPHON LED Grow Light 400W 5x5ft Coverage Daisy Chain Plant Grow Light Dimmable Full Spectrum Grow Lights for Indoor Plants Seeding Veg Bloom Indoor Grow Light

Features :

  • HIGH EFFICIENCY ENERGY SAVING PLANT LIGHT: High Energy Efficiency with 2.7 umol/J, delivers powerful light output and uniform canopy penetration to resulting maximum higher yields. Over 95% light energy can be absorbed by plants. Only 400 watts true output with 1440 PCS LEDs, more scientifically and energy-efficient!Note: If your voltage is 100-120V, you need a Plug Adapter, which you will get free through adding ASIN:B09W25YT75 together or “buy one get one free” promotion.
  • SUNLIKE FULL SPECTRUM LED GROW LIGHT: Infinite close to natural light, best for all plants all stages growing, rapid plant response from seed to flower and increase yield & crop quality‎, much better than traditional HPS grow systems. Veg Coverage: 6 x 6 ft, Flower: 5 x 5 ft.
  • CONVENIENT DIMMABLE LIGHTS: This grow lights for seed starting has a dimming knob, so it adapts to different plant growth stages by adjusting its output from 40% to 100%. Super convenient for both beginners and professional growers for indoor garden. Perfect for a variety of different plants and growing environments.
  • UPGRADED COMMERCIAL PLANT GROWING LAMPS: Daisy chain function, up to 50 multi-lights connected, convenient main light controlled; Power supply works on both 120VAC and 240VAC and 277VAC, suit for large rooms and commercial setups. No Fan Noise Free. Update aluminum board is thick and sturdy, great for heat dissipation.
  • WORRY-FREE PURCHASE: The Samphon LED grow light offers you the affordable high-quality plant light for indoor plants with a trusted 3 years warranty. Professional after-sales service provides you with the most convenient shopping experience. If any questions, please feel free to contact us with email.

Additional Info :

Color Silver
Item Dimensions
Height 2.3
Width 21.1
Length 25.5
Weight 15.76

10. AGLEX M400 LED Grow Light 5x6ft Foldable and Dimmable LED Grow Light Bar for Indoor Plants 2.8 umol/J Full Spectrum Commercial Plant Growing Lamp for Greenhouse

Features :

  • MAXIMIZE YIELDS & CROP QUALITY – AGLEX M400 led grow light comes with upgraded SMD 3030 chips and 4 efficient aluminum bars, ensuring higher efficacy PPE 2.8umol/J and better heat-dissipation, longer lifespan. Max 2.8g yield per wattage with 30% higher average PPFD and 50% greater yield & quality compared with the old plant lights. Only consumes 400w with 888 LEDs , perfect coverage for 5x6ft , The 400w led grow light M400 will help you achieve maximum quality and quantity.
  • EXTERNAL POWER SUPPLY & DIMMER – The 400w led grow light is equipped with external driver and dimmer, power cord length 76.5 inch. You can freely control and adjust light intensity outside of grow tent, no need go into. Place them at hand, easy to operate. And driver outside of tent could reduce heat. The 4 bar led grow light, each bar is covered with high-grade glue, waterproof and cleanable, not easy to be full of dusty.
  • FLEXIBLE DIMMING & ADVANCED FOLDING – This plant grow light is with special dimmer, can be adjusted at accurate brightness. 0-10 levels available. That means your could see clearly brightness level and record it when you adjust it. No worry about there will be difference. And our this grow lamp is foldable, can be folded up 180°, light design, easy to move and install, one person can handle it.
  • IDEAL FULL SPECTRUM & AMAZING HEAT DISSIPATION – Consists of full spectrum White 3000K 5000K, Red 660nm and IR 740nm, infinitely close to natural sun light. Excellent spectrum applies to the whole stages of indoor growing plant. The full spectrum led grow light is with 4 efficient aluminum bars. You may find the bar is hot when grow light working, but leds are cool. It’s the aluminum bars delivery leds’ heat to lamp body. It’s normal and great for led working, ensure long lifetime.
  • FANLESS ZERO NOISY & WARRANTY – No fans zero noise design, very quiet. The led grow light 400w is ideal for greenhouses, grow tents, stand rack, vertical farming, etc. AGLEX LED Grow Light provides truly 3 years standard warranty plus 30 days money back guarantee, and 7/24 satisfying customer services. If there are any questions or concerns, please feel free to message us. We will help you with great pleasure!

Additional Info :

Item Dimensions
Height 1.69
Width 23.64
Length 40.98
Weight 14.3

Buying Guide: What to Consider When Select 400 watt led grow lights

Price

How much should you expect to spend on a product like this? Is it a one-off cost, or is there some kind of recurring element?

When it comes to 400 watt led grow lights, a great value can come in many different forms. It could be a lower price, impeccable construction, and design, or higher durability. We’ll cover all of these different factors below, where we’re sharing our top picks for the best 400 watt led grow lights for the money. We’ll go over everything consumers should know to get a great value out of their 400 watt led grow lights!

Durability 

The phrase “people get what they pay for” is especially true when it comes to 400 watt led grow lights. The range in durability from person to person can be pretty substantial depending on the materials used in the construction. If someone saves $100 on a 400 watt led grow lights, but it wears out in 1 month, are they really getting a good value?

Compare that to a 400 watt led grow lights that costs $50 more but wears out after 1 or 2 years. Most people would argue that the second option is the better deal over the long term. Before purchasing, you should consider how long you want to have the 400 watt led grow lights and then read reviews to make sure you know how long you can expect it to last.

Consider Where You Purchase 

 

A vast majority of people now buy their 400 watt led grow lights online rather than going to a brick-and-mortar physical location. That’s largely because online shopping offers greater convenience, and many brick-and-mortar stores can be confusing when it comes to their models, pricing, and types.

While people can’t try out an online 400 watt led grow lights the way they can in a store, brands often come with generous trials. These allow people to try out the 400 watt led grow lights for a while and return it if they’re unhappy.

In addition, many online 400 watt led grow lights are more affordable than their in-store counterparts, because they have less overhead and have cut out the middlemen to pass savings directly to the consumer. If you purchase online, make sure to check to see if they will have to pay extra for shipping or not. A lot of the new companies offer free shipping, but not all.

Types of 400 watt led grow lights

Before even thinking about all the different 400 watt led grow lights available,  You should choose the product types that will be ideal for your task.

Design

Choosing a product based on a design that people will love can be tough. Just because you might like the look and style of it, doesn’t mean it’s the best. Below are some steps you can follow that I’ve used in the past when making decisions on which product designs to choose. Today, a lot of e-commerce sites have the same products. Naturally, it means people use product photos and videos to find the best item. Some of the tips in this article will help you choose or design a successful product.

  • Dimensions. How big are these products?
  • Materials. What are they made from? Is there an advantage to choosing one material over another?
  • Generic characteristics. What sort of features do products in this category include?
  • Product-specific functionality. Do certain products have key characteristics that others don’t? 
  • “Vs.” comparisons. Wireless or wired? Portable or desktop? Metal or wood? These are the key A/B-style decisions typically made early in the buying process.

The Verdict

Finally, we hope that our reviews about these 400 watt led grow lightss will help you to choose your ideal product available on the maker. The question remains, how many of these 400 watt led grow lights will you use and how often? Some manufacturers come out with newer 400 watt led grow lights every few months. This is because they know that people want the better 400 watt led grow lights. It’s all a matter of choice and your budget. The good news is that the features of good 400 watt led grow lights tend to trickle down in price. If you start off with a cheaper version, chances are you can afford the more advanced versions of it a few months later.