The Best 400 Watt Led Grow Light in April 2022

After hours of researching and comparing all models on the market, we find out the Best 400 Watt Led Grow Light of 2022. Check our ranking below.

Our Picks For The Top 400 Watt Led Grow Light


Bestseller No. 1
2022 New SONLIPO SPF4000 LED Grow Light 400W 5x5ft Coverage, Use 1323pcs Samsung Diodes Sunlike Full Spectrum Veg Bloom Switch Growing Lamps for Indoor Plants Seeding Flower Led Plant Light Fixture
  • 【Lower Running Costs & Higher PPFD】Actual power only 400 watts, High PPFD, up to 1784 ¦Ìmol/m2.s. Comparable to a traditional 900W HPS or CMH light. Save up to 60% on your electricity bill. Using 1323pcs of the latest high quality LED technology - Samsung LM281+ diodes, to provide high PAR output, longer lifetime and better light canopy penetration. SPF4000 grow light perfect for 5x5ft vegetable stage, 4x4ft bloom stage.
  • 【VEG & Double BLOOM Switch】Aaccording to the growth and yield of plants, SONLIPO designed 3 switches, VEG, BLOOM and enhance BLOOM, to facilitate the control of red and blue light spectrum, to make the roots and stalks of plants grow thicker, and prevent them from growing taller in vain. Enhance RED light, can greatly increases the size and number of flowers to maximize the yield of the plant, maximum 2.9 g/w.
  • 【Full Spectrum Grow Light】Infinitely close to natural sunlight, consists of 660nm Red light, IR 740nm, and 3000K, 4000K, 5000K, 6000K light spectrum. IR is dimmer than other red diodes. 3000K providing more reddish light and the 6000K providing more blueish. The 660nm red and IR light is especially useful during bloom, where it speeds up flowering time and boost yields. Uniformly across the surface and deep into the roots and bottom of canopy for consistent, highest quality flowers.
  • 【Well Made, Excellent Heat Dissipation】Solid structure, No Fan Noise Free. The housing is made of aviation heat sink aluminum, thick and strong, and provides excellent heat dissipation. Cable has protective cover, user-friendly packaging. Built-in short-circuit protection device automatically protects your lights from damage, you can easily save money without purchasing lights frequently.
  • 【100% Warranty & Easy to use】Plug and Play, One-touch switch sets the light spectrum for your plant to suit it. Product quality and friendly customer service are always our primary objectives. We offer a 90-day new replacement or full refund, 12 months free warranty, and professional guidance to help your horticultural grow and grow craft better.
SaleBestseller No. 2
Bloom Plus Latest XP4000 LED Grow Light with Samsung LM301B Diodes 400W Upgraded Dimmable 5x5 ft Coverage Full Spectrum Plant Grow Light for Indoor Plants Seeding Veg Bloom Hydroponic Growing Lamps
  • 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 5x5 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.
SaleBestseller No. 3
2022 Newest SPIDER FARMER SF4000 LED Grow Light 5x5 ft Coverage with Samsung LM301B Diodes & MeanWell Driver Dimmable 450W Commercial Full Spectrum Grow Lamps for Indoor Plants 2.7 umol/J
  • 2022 NEW VERSION LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS: SPIDER FARMER LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.7 umol/J, delivers powerful light output and uniform canopy penetration to resulting maximum higher yields. Only consumes 450w, running 50% less power than the HPS or other SMD LEDs or Blurple lamps. Veg coverage is 5 x 5 ft, Flowering coverage is 4 x4 ft.
  • NEW DIODES ARRANGEMENT & DIMMING DESIGN: Upgraded SF4000 growing lights. The diodes arrangement gathered at the edge makes the PPFD more uniform, and the dimming knob be adjusted the light intensity at liberty. Multi-light Connection with unified dimming especially beneficial for large area of indoor growing and commercial planting.
  • IDEAL FOR ALL GROWTH STAGES: Excellent full spectrum- white, blue, red and IR (3000K, 5000K, 660nm and IR 760nm). 3000K diodes providing more reddish light and the 5000K providing more blueish. The 660nm red and IR light is especially useful during bloom, where it speeds up flowering time and boost yields. Turn your seeds into your own supply. And the light looks fairly natural, so it's good for accurately monitoring plant health.
  • WELL MADE & SOLID CONSTRUCTION: No Fan Noise Free. High Safety performance MEAN WELL Driver, Fair Waterproofing. Update aluminum material is thick and sturdy, doesn't put out a tremendous amount of heat, high-quality protective covers for cables; User-Friendly Packaging. Quality components mean the light lasts longer, but they also save you money.
  • VALUE FOR THE MONEY: SPIDER FARMER LED Plant Lights are often copied but will never have our quality or commitment, we provides 5 years of after-service of local maintenance center(US/CA/UK/DE). Make sure you purchase authentic Spider Farmer grow lights, really can give you need from a high-quality grow lights – at a price that is affordable. For any questions, feel free to e-mail us and we will help you resolve it. Quality backed by our ironclad!!!
Bestseller No. 4
SONOFARM SF4000 LED Grow Light, Indoor Grow Lamp for Plants, Veg to Flower Bloom, Dimmable & Daisy Chain, 4x4 5x5 Grow Tent, Full Spectrum Samsung LM301B Diodes and Meanwell Driver
  • Long Lifespan: With over 100,000 hours lifespan, our 400 watt LED grow light will keep your plants blooming and thriving, crop after crop. Ideal for all stages of growth, our commercial LED grow lights cover the full color spectrum: 3000K, 5000K, 660nm, IR 760 nm. Veg footprint: 6 x 6 feet. Flowering footprint: 5 x 5 feet.
  • Genuine Meanwell Driver: Our driver powers the SonoFarm LED panel with optimal performance. Water-resistant and CE, ETL, FCC, and RoHS certified, the Meanwell driver is built for reliability while staying cool, safe, and quiet.
  • Customizable Lighting: Each panel on our quantum board grow light has a dimming knob that can turn the LEDs on and off, anywhere from 0-100% in strength. These customizable options make our LED panel lights perfect for a variety of different plants and growing environments.
  • High Performance at Low Costs: Drawing just 400W, our hydroponics LED lights won't be detrimental to your energy bill, but will produce a healthy 2.7 umol/J. Designed to be highly energy efficient, our grow lights deliver powerful light output, which in turn results in higher yield for your plants.
  • 5-Year Warranty: We are confident in the quality of our SonoFarm LED grow light, and we want you to be, too! Our 5-year warranty ensures you are secure with your purchase, while allowing us to stand behind our product.
Bestseller No. 5
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
  • 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!
Bestseller No. 6
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
  • 【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 6x4 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.
Bestseller No. 7
VIVOSUN VS4000 LED Grow Light with Samsung LM301 Diodes &Brand Driver Dimmable Lights Sunlike Full Spectrum with Grow Room Glasses for Seedling Veg & Bloom Plant Growing Lamp for 4x4/5x5 Grow Tent
  • Low Costs & High Efficiency: VIVOSUN’s VS4000 LED grow light uses the latest LED plant light technology with Samsung LM301 diodes & brand driver for high energy efficiency with 2.9μmol/J; Extremely high output but consumes only 400W of electricity, making it more efficient than traditional HID lamps and other plant lamps on the market
  • Convenient Dimmable Lights: This LED grow light has a dimming knob & ballast, so it adapts to different plant growth stages by adjusting its output from 40% to 100%; Super convenient for both beginners and professional growers
  • Sunlike Full-Spectrum Light: These Samsung VS4000 LEDs deliver the optimal full-spectrum coverage and power needed by your plants at all growth stages, with maximum PAR output at various distances, supporting efficient photosynthesis for indoor plants
  • Low Noise & Heat: VS4000 LED plant growing lamps have a unique appearance, with power supply and ventilation holes; No fans needed means low noise; Ambient heat around this light is very low, so there is no need to worry about burns or damage to your plants; Mild heat means you can place the lamp directly above your plants
  • Warranty: Super durable and reusable; Comes with grow glasses, a pair of VIVOSUN US-patented rope hangers & 5-year after-sales service; If you face any problems with the item you receive, please do not hesitate to contact us
Bestseller No. 8
SAMPHON LED Grow Light 400W 5x5ft Coverage 1496 LEDs Daisy Chain Plant Grow Light Dimmable Full Spectrum Grow Lights for Indoor Plants Seeding Veg Bloom Indoor Grow Light
  • 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 1496 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: Consists of 660nm of red light, 3000K and 5000K of the white light spectrum, 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 footprint is 5 x 5 ft, Flowering footprint is 4 x 4 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 36-month warranty. Professional after-sales service provides you with the most convenient shopping experience. If any questions, please feel free to contact us with email.
SaleBestseller No. 9
LED Grow Light, VIPARSPECTRA Pro Series P4000 LED Grow Light with Samsung LEDs(Includes IR) 5x3ft Coverage Dimmable Full Spectrum LED Grow Lights for Indoor Hydroponic Plants Veg Bloom 1400PCS LEDs
  • LOWER OPERATION COST & DIMMER FUNCTION: VIPARSPECTRA P4000 LED grow light has adopted the newest SMD LED Technology to provide high PAR output, high energy efficiency and long lifespan while improving light penetration. An added dimmer knob is featured to manipulate the brightness level of the entire light, allowing flexibility to obtain perfect growth performance for each growing phase.
  • FULL SPECTRUM LIGHT For INDOOR PLANTS: Consists of 36pcs 660nm of red light, 904pcs 3000K and 456pcs 5000K of the white light spectrum and 4pcs IR 730 light, provides plants in all stages from veg to flower with everything they need in the natural sunlight. Achieve greater yield while saving you on energy costs!
  • SLEEP-FRIENDLY GROW LIGHT: Silent fanless design. No fans zero noise. Built-in large areas of solid aluminum heat sinks, essential for heat dissipation while ensuring long lifespan of the light.
  • LOW ENERGY CONSUMPTION GROW LIGHT: Comparable to traditional 1000W HPS/MH while consuming only 400W! Perfect for 5’x4’ vegetative coverage at 28”and 5’x3’ flowering coverage at 24”. Remember to properly adjust the height and brightness accordingly to your plants desired level for optimal growth.
  • TRULY BEST BACK FOR THE BUCK: Plug and Play. No installation required. Product quality and friendly customer service are always our top priority. We offer worry-free 36-month local warranty and professional guidance to help you and your plants grow better.
SaleBestseller No. 10
VIPARSPECTRA 450W LED Grow Light, with Daisy Chain,Veg and Bloom Switches, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower
  • 【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 2x2’ 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.


How Do You Buy The Best 400 Watt Led Grow Light?


Do you get stressed out thinking about shopping for a great 400 Watt Led Grow Light? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching 400 Watt Led Grow Light, which is why we have assembled a comprehensive list of the greatest 400 Watt Led Grow Light available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 400 Watt Led Grow Light that you consider buying. Your questions might include the following:

  • Is it worth buying an 400 Watt Led Grow Light?
  • What benefits are there with buying an 400 Watt Led Grow Light?
  • What factors deserve consideration when shopping for an effective 400 Watt Led Grow Light?
  • Why is it crucial to invest in any 400 Watt Led Grow Light, much less the best one?
  • Which 400 Watt Led Grow Light are good in the current market?
  • Where can you find information like this about 400 Watt Led Grow Light?

We’re convinced that you likely have far more questions than just these regarding 400 Watt Led Grow Light, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for 400 Watt Led Grow Light, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible 400 Watt Led Grow Light. Make sure that you are only using trustworthy and credible websites and sources.


We provide an 400 Watt Led Grow Light buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400 Watt Led Grow Light currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of 400 Watt Led Grow Light has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 400 Watt Led Grow Light?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your 400 Watt Led Grow Light.
  5. Customer Ratings: Number ratings grade 400 Watt Led Grow Light objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400 Watt Led Grow Light.
  7. Product Quality: You don’t always get what you pay for with an 400 Watt Led Grow Light, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an 400 Watt Led Grow Light is should be an indication of how long it will work out for you. .

We always remember that maintaining 400 Watt Led Grow Light information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


If you think that anything we present here regarding 400 Watt Led Grow Light is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time, Contact us page.

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