Top 10 Best 400watt Led Grow Light

A lot of people are looking for the best 400 watt LED grow light and we have some of the best ones here. These grow lights are perfect for people who want to grow their own plants and flowers indoors. They are also great for people who want to save money on their electric bill.

There are a lot of different products on the market, so it can be tough to know which one is right for you. That’s why we’ve put together a Top 10 list of Best 400watt Led Grow Light
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List of 10 Best 400watt Led Grow Light

SaleBestseller 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 smd + 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.
Bestseller No. 2
SZHLUX 4000W LED Grow Light 4×4ft Coverage Dual Switch Full Spectrum Grow Lamp for Indoor Plants, Sunlight Plant Light 864 LEDs for Hydroponic Seedling Veg and Bloom Greenhouse Growing Light Fixtures
  • 【High Efficiency and Low Energy Consumption】- SZHLUX LED Grow Lights utilize the latest in high yielding LEDs technology, high Energy Efficiency with 2.9 Umol/J, delivers powerful light output and uniform canopy penetration to resulting maximum higher yields. Consuming only 400W with 864 LEDS! It saves up to 50% energy than other quantum board led grow lights. The effective footprint is 4 x 4 ft.
  • 【Trapezoid and Double-Switch Design】- Trapezoid-Shape and SanAn 1W LEDS for larger luminous area than T5 and T8 led plant light. Double switches let you can control 3 or 6 lights separately to adjust the brightness of the light, which is more convenient to operate than the ordinary dimmable remote control, prevents the inefficient plant growth caused by improper adjustment.
  • 【Sunlight Full Spectrum】- Infinite close to sunlight wave for plants, over 95% light energy can be absorbed by plants. White, blue, red and IR (3000K, 5000K, 660nm and IR 730nm). 3000K providing more reddish light and the 5000K providing more blueish. Especially 5000k blue light promotes seedling growth, the 660nm red and 730nm IR light is most useful for plant photosynthesis, promote plant flowering and fruiting, increase yield and crop quality.
  • 【Noise-Free and Amazing Heat Dissipation】- Professional fanless design will make your growing life easy and quiet, quickly heat dispersing aluminum shell and reflector reducing light lost to aisles and walls, increase the light intensity up to 20%, allowing your plants receive more energy and without burning for maximum lighting headroom.
  • 【After-Sale Service】- 2 years warranty plus 30 days Money Back Guarantee for any products from our official channel, if you need to change the light beads or part of the light, please feel free to contact us based on our reliable customer service.
SaleBestseller No. 3
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
  • 4000K DAYLIGHT: 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.
  • 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.
  • 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 & 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.
Bestseller No. 4
KUAREZ RD4000 Led Grow Light Dimmable Grow Light Sunlike Full Spectrum Grow Lamp for Indoor Plants with Samsung Chips & MeanWell Driver
  • UNIQUE DESIGN: The upgraded Samsung led grow light comes with remote to control unlimited grow lamps within 82FT(25m). 10 levels precise dimming to meet the brightness your plants need in different stages easily. Multi-light in different/same watts can be added in same group. 5 groups selection allows to control lamps from different area separately or together easily. Make the planting easier and more intelligent.
  • HIGH EFFICIENCY & COST SAVING: The 4000 dimmable plant lights full spectrum uses Samsung leds, creates better canopy light penetration with PPE 2.7 μmol/J, helps maximum higher yields of indoor plants. Consuming only 425W, running 50% less power than the HPS or Blurple lamps or other SMD LEDs to save the cost but getting higher yields. Ideal to cover 5' x 5' veg stage at 28'', flowering 4' x 4' stage at 24''.
  • PERFECT FOR ALL GROWTH STAGES: This grow light is sunlike full spectrum grow light, it contains 3000K, 5000K, 660nm and IR730nm chips. The light infinitely close to natural light and it provides desired need for plant growth in all stages from seeds to harvest. The IR 730nm chip looks dim, and it could speed up the phytochrome conversion , promote blooming/fruiting and increase yield.
  • WELL MADE & RELIABLILITY: This commercial greenhouse lights adopt glue coated technology, water resistant, increase the lifespan. Thick large aluminum heat sink for good heat dissipation, low heat could slow down the light decay and no fan no noise. High safety performance Mean Well driver, IP67 waterproof and UL/CE certified. High quality components ensure the lights more reliable and last longer.
  • HASSLE-FREE PURCHASING: Professional R&D and customer service teams will offer support for your any questions or help within 24 hours, 30-day money-back guarantee and 36-Month warranty after sale. Make your purchasing with confidence.
SaleBestseller No. 5
BLOOM PLUS LED Grow Light BP 4000W 5x5ft Coverage Sunlike Full Spectrum LED Grow Light Use with 1292packs Samsung Diodes(Includes IR) Dimmable Plant Grow Lamp for Indoor Plants
  • LOWER COSTS & HIGHER-QUALITY YIELDS---Using the Newest high-yield LED technology-1292 pcs Samsung 2835 diodes. So BP4000 LED Grow Lights achieves a high energy efficiency of 2.7 umol/J and improves the light transmittance. The LED Growing Light consumes only 400W of power, which is 50% less than the operating power of other 800W HID/Blurple/HPS lamps, while help gets 50% higher yield harvest. The maximum output is 2.5g/w. Veg Coverage: 6 x 6 ft, Flower: 5 x 5 ft.
  • OPTIMAL FULL-SPECTRUM LIGHTING---The Full Spectrum led grow lamp can provide everything the plants need under light at all stages. The powerful blue light makes the plants grow faster, and IR light is particularly useful during flowering, it can accelerate bloom time and increase yield, fill the flowers with space and obtain an amazing harvest. This can not only reduce buds but also increase yield while saving energy and costs.
  • UNIQUE DESIGN---Plant Grow Lights have a dimmable driver on the back, you can remove the rubber plug and adjust it with a 3mm Phillips screwdriver (adjustment range: 1.5-3.0A). Designed for indoor growers, the full spectrum LED grow lights aim to help individual indoor growers and greenhouse growers to obtain higher yield and better quality within the budget.
  • UNIQUE DESIGN---Plant Grow Lights have a dimmable driver on the back, you can remove the rubber plug and adjust it with a 3mm Phillips screwdriver (adjustment range: 1.5-3.0A). Designed for indoor growers, the BP4000 full spectrum LED grow lights aim to help individual indoor growers and greenhouse growers to obtain higher yield and better quality within the budget.
  • 100% SATISFACTION GUARANTEED---The Bloom Plus LED series 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. If any questions, please feel free to contact us with email.
Bestseller No. 6
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 Grow Lamp for 4x4/5x5 Grow Tent
  • Low Costs & High Efficiency: VIVOSUN VS4000 LED grow light uses Samsung LM301 diodes & brand driver for high energy efficiency with 2.9 μmol/J; Extremely high output but consumes only 400W of electricity
  • 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%
  • Sunlike Full-Spectrum Light: These VS4000 LEDs deliver the optimal full-spectrum coverage and power needed by your plants at all growth stages, supporting efficient photosynthesis for plants
  • Low Noise & Low Heat: VS4000 LED grow lights have power supply and ventilation holes; No fans needed means low noise; Ambient heat around this light is very low, so there is no burns or damage to your plants
  • Warranty: Super durable and reusable; Comes with grow glasses, a pair of VIVOSUN US-patented rope hangers & 5-year after-sales service
SaleBestseller No. 7
ACKE ALP-400W LED Grow Light 5x5 Coverage for Veg Stage,Full Spectrum Growing lamp 4x4 Coverage for Flowering Stage,Plant Grow Light for Commercial Indoor Plant Grower
  • 🌱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 4x4 feet grow space,Max for 5x5 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.
Bestseller No. 8
Grow Lights for Indoor Plants,400W(4x100W) All Spectrum Plant Grow Light,Flexible 4 Heads Led Grow Lights with Adjustable Stand,Standing Floor Grow Lamp with Plug for Indoor Plants Succulents
  • 🌱【JUST LIKE REAL SUNLIGHT】: Worried your indoor plants aren't getting enough sunlight? Not anymore! This LED grow light delivers full spectrum light with all the wavelengths of light between 380nm - 800nm to simulate natural sunlight! This indoor plants grow light promotes photosynthesis, accelerates sprouting, bloom, and fruiting while promoting overall plant health.
  • 🌱【EASY TO INSTALL&ADJUST HEIGHT】:Using the adjustable tripod you can place this grow lamp in your home, office,green house and anywhere else you want. The flexible goose neck is longer, thicker and offers 360 Degree Rotation. The adjustable tripod can be retracted 15-78 inches, and the power cord is 78 inches, which is twice the length of other upright grow lights, and is especially suitable for tall plants.
  • 🌱【FOR ALL INDOOR PLANTS】: Whether you're growing some herbs or just common house plants, you can count on our grow lights for indoor plants. Thanks to the high brightness of a single lamp of 100W can provide strong and uniform light intensity for plants.Suitable for flowers, succulents, cacti, bonsai, microgreens, vegetables, tomatoes, peppers, etc.
  • 🌱【STRONG AND STURDY】:Our indoor grow lights feature a premium aluminum housing. Both the light guide plate and the heat dissipation plate have openings, and the good heat dissipation makes the plant lamp beads have a longer life, and the use time exceeds 50,000 hours.Removable LED grow light that can be used in a variety of places such as bedrooms, basements, kitchens, home office shops and mini greenhouses, quiet and noise-free.
  • 🌱【QUALITY AND APPLICATION】:★ Delivery from US warehouse, usually within 3-7 days ★ We provide professional customer service,if you have any problems, please feel free to contact us.The grow light is suitable for indoor potted plants or indoor gardens. It can accelerate the growth of various plants at various developmental stages.
Bestseller No. 9
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.
Bestseller No. 10
UNIT FARM 400W LED Grow Light, UF4000 Full Spectrum LED Growing Lights for Indoor Plant, Detached Driver, Upgraded Diodes Array for Evenly Light Output
  • 【One Panel to Rule The All】 Mixed 3000K, 5000K, 660nm Red, and final spectrum is 3500K which is perfect for full-cycle growth. Plus special IR & UV to stimulate growth. Better diodes arrangement offer the more evenly output, Work as Well as bar Light. Let every leaf get enough light, Can increase the yield by 20%.
  • 【High-Efficiency & Reliable Plant Growing Lamp】 consume 400watts. Equal to 700Watts blurple light or HPS. Using 100,000 hours long lifespan OSRAM diodes. CRI up to 90, 10 times higher than blurple light, 30% higher than cheap SMD LED. Easier to observe the health of plants.
  • 【Flexible & Thoughtful Design】 Removable driver total is 13FT(4M) length, you can put the driver outside your tent to keep the ambient temperature cool in summer, or keep inside keep warm in winter. Ultra-thin yet strong load-bearing capacity, you can set an inline fan on it, make more space for your plants to grow
  • 【Professional after-sales team】Worry-free 12-month warranty, Repair center in the USA. You also could message us via Amazon message or ask a question via the "have a question" part. We will reply in time. Have connections with a large number of experienced growers On social media, always could provide you professional solutions.
  • 【Tips for Coverage & Hanging】 For tomato, herb, or pepper in veg, at 30''-34'' in 5x5FT; For flowering, at 24''-26'' in 4x4FT. For 3x3FT room in high levels of CO₂, please set it at 22''-24''. That would level up the yield.

What is Best 400watt Led Grow Light

A 400 watt LED grow light is a powerful and efficient lighting solution for indoor plants. LED lights are much more efficient than traditional incandescent or fluorescent lights, and they produce very little heat. This makes them ideal for indoor growing, where high temperatures can be a problem.

LED grow lights come in a variety of wattages, but a 400 watt light is a good choice for a medium to large grow space. These lights are also available in different color temperatures, so you can choose a light that will produce the exact type of light your plants need.

How to choose Best 400watt Led Grow Light

Choosing the best 400watt LED grow light can be tricky. There are so many different brands and models available on the market, it can be difficult to know which one to choose. Here are a few tips to help you choose the best 400watt LED grow light for your needs:

1. Consider your budget. How much money are you willing to spend on a grow light? Keep in mind that the price of a grow light does not always reflect its quality. There are some great budget-friendly options available that will still provide your plants with the light they need to thrive.

2. Decide on the coverage area you need. 400watt LED grow lights can vary in the amount of coverage they provide. Some are designed to cover a small space, while others can cover a much larger area. Consider the size of your grow space and choose a light accordingly.

3. Consider the features you need. Some grow lights come with additional features, such as built-in fans or timers. Decide which features are important to you and look for a light that offers them.

4. Choose a reputable brand. There are many different brands of grow lights available on the market. Do some research and read reviews to find a brand that is known for making high-quality products.

5. Compare prices. Once you have narrowed down your choices, take the time to compare prices and find the best deal. Keep in mind that the cheapest option is not always the best option.

By following these tips, you can be sure to find the best 400watt LED grow light for your needs.

Conclusion

A 400-watt LED grow light is the best option for those looking to grow plants indoors. These lights provide the perfect amount of light for plants, without being too harsh. LED grow lights also use less energy than other types of grow lights, making them more cost-effective in the long run.

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