10 Best 300 Watt Led Grow Lights (2022) – Guide From Expert

There are a lot of different factors to consider when purchasing 300 Watt Led Grow Lights. However, the research process can be made significantly easier by narrowing down your options to a specific model. In this article, we will be focusing on the Best 300 Watt Led Grow Lights.

We will go over its different features and compare them to other market models. By the end of this article, you should have a good idea of whether or not the 300 Watt Led Grow Lights is the right car for you.

Overview Chart For Best 300 Watt Led Grow Lights

Top 10 Best 300 Watt Led Grow Lights

SaleBestseller No. 1
VIPARSPECTRA 300W LED Grow Light with Daisy Chain Function, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower Actual Power 130 Watt
  • 【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.
  • 【Daisy chain Design】 Daisy chain feature assists growers to connect multiple lights together with fewer outlets. No additional cords is needed, just simply plug in the provided power cord into the second light's outlet to achieve connection among multiple units.
  • 【Outstanding Design】Sturdy durable construction with fire-resistant iron housing. Suitable for each growing phase. Upgraded aluminum cooling heat sinks and advanced high speed quiet fans are great for heat dissipation.
  • 【Coverage Area】Comparable to traditional 250W HPS/MH while consuming only 130W! Perfect for a 2’x2’ vegetative coverage at 24” and 1.5x1.5’ 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.
SaleBestseller No. 2
HEISENS LED Grow Light, 300W Full Spectrum Plant Grow Lamp for Indoor Plants, Upgrated Version, IP65, Energy Saving for Veg Flower Greenhouse Indoor Plants
  • 【Full Spectrum】Mported LED light source with highcolor rendering, color more realistic, restore natural color, brighter, long life.Using upgrated diffusion plate, light transmit as high as 95%, anti-fog anti glare, the light is soft and comfortable, create soft atmosphere.
  • 【Wide Irradiation Range】Designed with adjustable 180° U-shaped bracket, easy to light up and down to position, no need other tools, safe and reliable
  • 【Efficient Heat Dissipation】Heat sink design promotes quick heat disspation to help prolong LED lifespan
  • 【IP65 Waterproof】The lampshade is waterproof, not afraid of rain. On rainy or snowy days, there is no need to worry about being damaged by water ingress.
  • 【Wide Uses】Can be adjusted for indoor plants、potted plants、greenhouse vegetables at different growth stages, helping to absorb energy from LED lights and promoting growth.
Bestseller No. 3
2022 Upgraded Mars Hydro TSW2000 Led Grow Light 300 watt 4x4ft Coverage Full Spectrum Growing Lamps for Indoor Plants Dimmable Daisy Chain Seeding Veg Bloom Light for Hydroponics Indoor
  • 2022 UPGRADED HIGHLY-REFLECTIVE HOOD LED LIGHT: The upgraded white reflector design on TSW2000 grow light is patented, With a refraction angle of 120°, it can cover a wider reflector range to enhance its light intensity as well as assist plants in absorbing more light. The actual power of TSW2000 is 300 watts, while other brand model 2000 is only 200 watts.
  • NEW DIODES LAYOUT & HIGH EFFICIENCY WHITE LED GROW LIGHT : The new diodes arrangement of dense in the middle and sparse on both sides makes the led light more uniform between middle and sides than old arrangement of other brand lights.Perfect for 3x3ft bloom stage, 4x4ft veg stage. Over 90% light energy can be absorbed by plants; Higher intensity and more even coverage in a MARS HYDRO grow tent, reflective area, or by crossing over using multiple TS series LED lights.
  • LOW ENERGY CONSUMPTION GROW LIGHTING: Consuming only 300W with 704 LEDS! Equipped with Newest SMD LED technology to provide highest PAR/LUMEN output, designed to replace a single-ended 450watt HPS; MARS HYDRO TSW 2000 Plants Growing lamp can assure a 30% more return than the old HPS/MH lights and saves up to 50% energy than other led grow lights.
  • SUNLIKE FULL SPECTRUM LED INDOOR GROWING LIGHT: 730-740nm Red IR/3200-4200Knm/5200-6800Knm,spectra that makes most light in the 400-700nm waveband, best for all plants all stages growing, rapid plant response from seed to flower and increase yield & crop quality‎.
  • DIMMING & DAISY CHAIN FEATURE GROW LIGHT: Upon an independent dimming button on the external driver,adjustable 0-100% settings adaptation and up to 30 LEDs Light daisy-chained in a group; Auto sensing power supply works on both 120VAC and 240VAC and 277VAC, suit for Large Rooms and Personal Setups.
Bestseller No. 4
Led Grow Lights,300W Led Grow Light for Indoor Plants with 4 Dimmable Levels 3 Modes Timing Function,Indoor Grow Lights for Seed Starting,Hydroponics Growing Light, Multiple Panels Can Be Conn
  • 【Led Grow Lights with Cycle Timer】MSMKEJI led grow lights for plants has a built-in cycle timer,and there are 1-20H timer setting options For Your Choosing.The led plant light for indoor plants will automatically turn on every day as your setting, Even you're on the travel, These full spectrum led grow light will still take good care of your plants every day!
  • 【3 Modes & Rremote Control】The Led Grow Lights for Indoor Plants with 4 Dimmable Levels 3 Modes Timing Function cater to all of your all needs,bringing an excellent use experience!This plant light has more Red&Blue light create an improved environment for plants to prosper. The remote control can be used to adjust the mode,timing and brightness of the led grow light,Extremely intelligent,convenient!
  • 【Full Spectrum LED Grow Lights】 100% Premium.This plant grow light for indoor plants contains a optimal spectrum which promotes plants at various stages of growth,and its IR and UV LEDs form an invisible protective coating around your plants to ensure a completely sound growth. An ideal led grow lights full spectrum for all kinds of plants, help them go from sprouting, growing, blooming to fruit bearing.
  • 【Widely Used Plant Grow Light】MSMKEJI led grow lights for indoor plants can be used for both hydroponics and indoor plants in soil, such as orchid, potatoes, lettuce, chili, tomatoes, cucumbers, peppers, leafy greens, and herbs.aquarium plants like algae that in greenhouse, garden, vertical farm, grow tent or grow room.
  • 【Best Consumer Service】We have great faith in our Led grow lights for plants.A full refund within 30 days since the day of purchase for no reason. Each one of them comes with a 1-year technical support.You will be given a completely satisfying answer within 24 hours if you have any problem or doubt, and we are always be with you.
Bestseller No. 5
MARS HYDRO 2022 Upgraded FC-E3000 300Watt LED Grow Light 3X3ft UV IR Full Spectrum Grow Light Bar with 1184pcs Diodes, Dimmable & Detachable Grow Lampe for Veg Bloom Flower, Achieve 2.8 umol/J
  • HIGH-EFFICIENCY LED GROW LIGHT: MARS HYDRO FC-E3000 grow light with 1184pcs BridgeLux Diodes, market-leading 2.8 µmol/J PPE, Max 2.5g yield/watt, 300 Watt with smaller footprint for better crop quality, more cost-effective. 3x3ft for personal grow, 2.5x2.5ft for commercial grow.
  • INNOVATIVE PRECISE UNIFORM LIGHTING: Built-in removable bars interval & dimmability enable the exact dynamic PPFD control over each of plant growing stages, FC-E3000 easy-to-install detachable bars deliver uniform adjustable PPFD levels throughout plant canopy, best for more uniform Density Buds.
  • DIMMABLE COMMERCIAL GROW LIGHT: Easy dimming & daisy chain max up to 20 lights, IP65 Waterproof, master light easily controlled, making it a high performance commercial grow light for enormous yields. Also perfectly suit full-cycle hydroponic, soil, grow tent/room growing.
  • SUPERIOR HEAT DISSIPATION: Detachable power supply can be mounted remotely on the side of a grow tent/rack or on adjacent wall to remove heat from grow space; real Aluminum heatsink & 4 slim profile passive cooled bars (THINNER & LARGER surface) creat less heat, drop 50% in electricity bill than HID lights!
  • FULL SPECTRUM UV IR GROW LIGHT: With Yield Max spectrum (660nm Osram enhanced Deep Red,2800k-5000knm,730-740nm IR,380-410nm UV LEDs), innovative design FC-E3000 LED grow lamp is designed for commercial & home horticulture. Trusted 5 years warranty, any question, just email us,100% Satisfactory Solution guaranteed!!
SaleBestseller No. 6
LED Grow Light Indoor Plants - 300W 420LED Plant Light with 63" Extendable Tripod Stand,Dual Controllers,Full Spectrum,4/8/12H Timer,Adjustable Gooseneck,4 Switch Modes for Greenhouse Veg and Flower
  • 【2021 New Upgrade & LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS】: LECLSTAR Grow light for indoor plants, Four-Head three-row designs, the whole lamp is composed of 420 LED high-brightness lamp beads. It only needs 40W of power to transmit 300W, high efficiency, and energy-saving, LECLSTAR Grow light can increase the growth rate of indoor plants by 50% compared to other grow lights.Meanwhile our high-quality aluminum shell are great at heat radiation with a lamp life of up to 50,000 hours.
  • 【Dual control, automatic on/off】 LECLSTAR Grow light with line-in controller and RF controller. Plant light Support 3 light modes, 10 dimmable levels, 4 lights independent control, and auto on/off every day after setting the 4H/8H/12H timer,so there is no need to worry about plant withering when nobody at home.every feature is comendable. UL certified adapter with USB plug, more safe and flexible to use in anywhere with the grow light
  • 【Adjustable height, easy to install】 Just within two minutes! Open the tripod, adjust height(Adjustable tripod stand extendable from 11 inches to 75 inches, just lock it at desired length for your preferred use.), turn the screw clockwise until it’s secured, place the grow light on the tripod, turn the screw counterclockwise until the plant light is fully seated.Grow light Suitable for indoor plants, greenhouse, darkroom, living room, office large and tall plants, flower show, potted plants.
  • 【Full Spectrum grow light & larger lighting area】1.Red(660nm)+Blue(460nm): promote plant growth, flowering and fruit. 2.Warm White:3000k high uniform light, like sunlight,improve seeding growth. 3.Red+Blue+Warm White(380nm-780nm):Enhance red and bluelight based on natural light,effectively promote growth.Besides,the 4-head grow light has a 360-degree flexible gooseneck made from high quality tubing to adjust an ideal illumination angle and Provides a larger light exposure range for your plants
Bestseller No. 7
Spider Farmer SE3000 Bar Style LED Grow Lights 300W with 896Pcs Samsung LM301B Diodes 3x3ft Coverage Full Spectrum UV IR Dimmable Growing Lamp for Indoor Plants
  • MAXIMUM UNIFORMITY & EFFICIENCY: The SE3000 with unique designed 4-LED bars provide more uniform canopy coverage, especially to the outer edges cultivation areas. With 896 pcs SAMSUNG LM301B diodes, SE3000 Led grow light draws 300 watts with 826 umol/s, achieving an impressive PPE of 2.75 umol/J, coverage for 3x3ft of high-yielding full-cycle growth.
  • ADVANCED FULL SPECTRUM WITH UV & IR LIGHT: The SE3000 plant light is a full spectrum LED grow light (2800-3200K,4800-5000K,650nm) with different wavelengths of light, perfect for every stage of plant growth, from seed to harvest. The extra added UV light (380-410nm) and IR light (730-740nm) effectively promote robust stem growth, as well as more flowers and fruit.
  • PASSIVELY COOLED & DETACHABLE DRIVER: Bar style grow light design and aluminium heat sinks on the back contribute to better airflow and great heat dissipation. SE3000 plant growing light comes with a detachable driver and long power cord 8.5 ft, thereby reducing ambient heat in your growing space for extended lifespan. With the waterproof coating on the diodes, worry free of the moist environment.
  • DIMMING DAISY-CHAIN: Dimming knob allows to adjust the brightness of the light, 10-100% dimming to meet the needs of plant growth. Also daisy chain function supports growers to connect up to 60 lights for dimming at the same time. Highly recommended for use in grow rooms, home growing (3x3 grow tent), closet, DWC and hydroponics etc.
  • 5-YEAR WARRANTY: High quality products and attentive after-sales service create the irreplaceable Spider Farmer LED grow lights. 5 years of after-sales service is provided for the SE series grow lights, and any problems within five years can be repaired at your local repair center (USA/Canada/UK/Germany). Please feel free to contact us about product problems and we will help you solve them.
SaleBestseller No. 8
WYCN Grow Plants Light LED 300W, Waterproof COB Premium Small, Full Spectrum Lights for Indoor & Outdoor Flowers, Vegetables, Succulent Seedings, Color Purple
  • Best cob grow light for indoor/outdoor plants: Adopt 60°optical lens for offering more uniform light than other small grow lights, good performance for indoor and outdoor plants growing.
  • Durable cob grow light: A high-speed mute fan+upgrade rediator constructed powerful cooling system for ensuring grow lamp works at 50°F-60°F,in a low temperature, can prolong the lighting time lifetime, you can save mush cost for changing light and your loved plants also will be happier.
  • Energy-effecient full spectrum led cob grow light: It can be replaced traditional 300W HPS/MH grow light, only consuming 50W, help you save much money on electricity bill , bang for your buck. Suitable as a gift for Christmas, Thanksgiving, Mother's Day.!.
  • Widely usage small led cob grow light: This sunlike grow light can be used for both hydroponics and indoor plants in soil, mainly used for small plants,mirco-greens, greenhouse, plants shelvies.omdppr gardem. grow tent.
  • Professional costomer service: We are fully confidence in our grow lights, we provide a 90-day money-back guarantee and a 2-year warranty. If you have any questions, you are welcome to contact us at any time. We will provide you professional service within 24 hours!
SaleBestseller No. 9
Mars Hydro SP3000 LED Grow Lights 2x4ft, 300W with 960Pcs Samsung LM301B Diodes Full Spectrum Indoor Grow Lamp with Detachable Driver, Daisy Chain Dimmable Veg Flower Commercial Grow Light
  • ADVANCED YET ECONOMICAL: MARS HYDRO SP3000 led grow light adopts 960Pcs Samsung LM301B diodes, gets max yield up to 2.5g/w and higher light outputs of 1136μmol/s yet only consumes 300watt. It fits for a 3x5ft veg coverage , or 2x4ft flowering coverage. Updated version from SP250
  • FULL SPECTRUM FOR ALL STAGES: Precisely utilizes a combination of all colors in full-cycle growth, this growing lamp provides plants with mimic natural sunlight to produce high-quality crops, the sunlight spectrum includes Warm White Light 3000K, Red Light 660nm, White Light 5000K
  • DIMMING FUNCTION AND DAISY CHAIN: Featuring a dimmable knob to control light intensity for all stages growth, SP3000 also supports daisy chain to connect up to 30 lights at the same time, especially convenient for large indoor growing or commercial planting
  • SAFE AND DURABLE STRUCTURE: Equipped with a detachable driver to avoid safety issues with silent cooling, Mars Hydro 300watt light is also water-proof and super lightweight. The aluminum heat sink is durable and sturdy, the inner mechanism converts power into heat efficiently
  • AUTHENTIC WARRANTY BY MARS HYDRO: MARS HYDRO SP3000 lights support 3 years warranty, with reliable customer service team and technical support, any assistance would be offered. If there is any question, please feel free to contact us, 24-hours service is always for you
Bestseller No. 10
SAMPHON Led Grow Light 3x3ft 300W Dimmable Full Spectrum Grow Lights 1116Pcs LEDs Growing Lamp for Indoor Plants Daisy Chain Greenhouse Veg Bloom Hydroponic
  • FULL SPECTRUM LED GROW LIGHT:Fits for all kinds of indoor plants and all growth stages.Consists of 3000K, 5000K and 660nm,efficacy is up to µmol/J.1080Pcs SMD LEDs and 36pcs osram red diodes,only consuming 300W. Effectively extend and scientifically control the sun-like light required by your plants from seedling to blooming.
  • HIGH EFFICIENCY & LOW ENERGY CONSUMPTION:Samphon 300W led grow lights is ideal for 4 x 4 ft vegetative area or 3 x 3 ft flowering area,4-bar degisn for more even and complete canopy coverage. PPF up to 810 µmol/s,Most of the light energy can be absorbed by plants.Increase yield and crop quality and save electricity bills.
  • DAISY CHAIN DIMMABLE GROW LAMP:The dimmer knob can adjust the brightness of 40%/60%/80%/100%.For commercial grow use,allow 50PCs lights connected together.Adjust the light intensity and timing with the controller(Controller is not included).Fits for grow tents,house garden,herb garden, hydroponic plant,pot culture,flower exhibition,greenhouse cultivation,pipeline cultivation and so on.
  • PROFESSIONAL COOLING SYSTEM:The grow lights with thicken aluminum heat sink,gas reflow design,providing better heat dissipation and reducing waste of heat energy.Sufficient cooling area for longer service life,180° reverse folding design,flat unfold,Built-in power supply,simple and clean,plug and play,easy to install.
  • SAMPHON LED GROW LIGHTS PACKAGE&WARRANTY: 3 years warranty,more than 500000 hours lifespan.Contains 300W full spectrum grow light,Power Cord,Adapter,RJ Wire,Hanging Strings,Users Manual.Life-time technical supports,If you have any questions, just feel free to contact with us.

Noticeable Factors Before Buying 300 Watt Led Grow Lights

There are a few reasons why it’s essential to read a buying guide before purchasing. First, a buying guide can help you learn about a product before buying it. This can be especially helpful if you’re considering a big purchase. Reading a buying guide can help you narrow down your options and choose the best product for your needs.

Second, a buying guide can help you compare products. If you’re trying to decide between two similar products, a buying guide can help you see the differences and decide. Third, a buying guide can help you find the best deals. If you know what you’re looking for, you can use a buying guide to find the retailers offering the best prices on that product.

Finally, a buying guide can save you time. If you take the time to read a buying guide before you start shopping, you’ll be able to narrow down your options and know what to look for when you’re at the store. This can save you from spending hours browsing through products that you’re not interested in.

Overall, reading a buying guide before you make a purchase can save you time and money. It’s an essential step in the shopping process that shouldn’t be overlooked.

When you are looking to buy a 300 Watt Led Grow Lights, you should keep a few things in mind. First, you should consider what you need the 300 Watt Led Grow Lightsfor. This will help you narrow down your options and find the right product for your needs

. Next, you should think about your budget. This will help you find a 300 Watt Led Grow Lightsthat fits your price range. Finally, it would help if you read reviews of the 300 Watt Led Grow Lightsyou are interested in. This will help you learn about the quality of the 300 Watt Led Grow Lightsand what others think about it

.When purchasing any 300 Watt Led Grow Lights, it is essential to consider a few factors to make the best decision for your needs. Here are a few tips to help you buy the right 300 Watt Led Grow Lights:

1. Define your needs: Before shopping for any 300 Watt Led Grow Lights, it is essential to take a step back and evaluate what you need the 300 Watt Led Grow Lightsfor. This will help you narrow down your choices and find the best 300 Watt Led Grow Lightsfor your needs.

2. Research your options: Once you know what you need, it is time to start researching your options. Read reviews, compare prices, and look for any features that are important to you.

3. Compare prices: When you have a few products in mind, it is time to start comparing prices. Make sure to compare apples to apples, and don’t forget to factor in shipping costs.

4. Functionality: What do you need the 300 Watt Led Grow Lightsto do? Make sure the 300 Watt Led Grow Lightsyou are considering meets your needs.

5. Quality: What is the quality of the 300 Watt Led Grow Lights? Make sure to read reviews to get an idea of what others think of the 300 Watt Led Grow Lights.

6. Brand: Do you have a preference for a particular brand? Consider the brands you trust and look for 300 Watt Led Grow Lightsthat meet your standards.

7. Features: What features are you looking for? Make sure the 300 Watt Led Grow Lightsyou choose has the features you want.

8. Warranty: Do you want a warranty? Make sure the manufacturer’s warranty covers the product you purchase.

9. Returns: What is the return policy? If you are not satisfied with the product, it is essential to know the return policy before making your purchase.

10. Ask for recommendations: If you are still having trouble making a decision, ask your friends or family for their recommendations. Someone you know has already purchased a similar product and can give you their honest opinion.

11. Read the fine print: Once you have finally made your decision, read the fine print before making your purchase. This includes the product’s warranty, return policy, and other important information.

The Final Verdict

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