Top 10 Best 300 Watt Led Grow Light

Are you trying to find the best 300 Watt Led Grow Light? Overwhelmed by all the options? Welcome to your destination. The following is a comprehensive guide to buying a 300 Watt Led Grow Light. If you are uncertain where to start your research, do not worry; we have you covered.

The sheer number of options out there makes going through thousands of reviews extremely frustrating. Look over the reviews, then make an informed purchasing decision based on this ultimate guide.

Best Overall
VIPARSPECTRA 300W LED Grow Light with Daisy Chain Function, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower Actual Power 130 Watt
VIPARSPECTRA 300W LED Grow Light with Daisy Chain Function, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower Actual Power 130 Watt
$79.99
Editor's Choice
HEISENS LED Grow Light, 300W Full Spectrum Plant Grow Lamp for Indoor Plants, Upgrated Version, IP65, Energy Saving for Veg Flower Greenhouse Indoor Plants
HEISENS LED Grow Light, 300W Full Spectrum Plant Grow Lamp for Indoor Plants, Upgrated Version, IP65, Energy Saving for Veg Flower Greenhouse Indoor Plants
$17.99
Nice Pick
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
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
$269.99

Top 10 Best 300 Watt Led Grow Light

Here are the top 300 Watt Led Grow Light we picked, check their features.

1. VIPARSPECTRA 300W LED Grow Light with Daisy Chain Function, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower Actual Power 130 Wa

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 1.5×1.5’ 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.
Color Black
Size 300W

2. 2022 Upgraded MARS HYDRO FC-E3000 300Watt LED Grow Light 3X3ft UV IR Full Spectrum Grow Light Bar with 1184pcs Diodes, Dimmable & Detachable Grow L

2022 Upgraded MARS HYDRO 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, 2.5×2.5ft 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!!
Size FC-E3000 300 Watt

3. Led Grow Lights,300W Led Grow Light for Indoor Plants with 4 Dimmable Levels 3 Modes Timing Function,Indoor Grow Lights for Seed Starting,Hydroponi

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.
Color White

4. Spider Farmer SE3000 Bar Style LED Grow Lights 300W with 896Pcs Samsung LM301B Diodes 3x3ft Full Spectrum UV IR Dimmable Growing Lamp for Indoor Pl

Spider Farmer SE3000 Bar Style LED Grow Lights 300W with 896Pcs Samsung LM301B Diodes 3x3ft Full Spectrum UV IR Dimmable Growing Lamp for Indoor Plants
  • MAXIMUM UNIFORMITY & EFFICIENCY: Unique designed 4-LED bars provide more even canopy coverage, especially to the outer edges cultivation areas. With 896 pcs SAMSUNG LM301B diodes, SE3000 Led grow light draws 300 watts with 826umol/s, achieving an impressive PPE of 2.75 umol/J, coverage for 3×3 of high-yielding full-cycle growth.
  • UPGRADED FULL SPECTRUM & DIMMABLE: Full spectrum (2800-3000K, 4800-5000k, 380-410nm, 650n, 730-740nm) is perfect for seed to flower, to adapt to each phase of the grow cycle. The dimming knob is ideal for growers to adjust the light intensity according to different growing stages.
  • PASSIVELY COOLED & DETACHABLE DRIVER: Bar light design and aluminum material on the back contribute to better airflow and great heat dissipation. SE3000 grow light comes with a detachable driver and long power cord, thereby reducing ambient heat in your growing space for extended lifespan. With the waterproof circuit board, worry free of the moist environment. Easy installation.
  • DAISY-CHAIN DIMMING: The daisy-chain function allows you to connect up to 30 of SE3000 growing light – dimming multiple lights simultaneously. Widely applied in the commercial growing (horizontal and vertical),home grows (grow box and tents), grow room cultivation, hydroponics etc.
  • VALUE FOR MONEY: SPIDER FARMER LED Plant Lights are often copied but will never have our quality or commitment, we provides 5 year warranty and has maintenance center in the USA. 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!!!

5. 2022 Upgraded Mars Hydro TSW2000 Led Grow Light 300 watt 4x4ft Coverage Full Spectrum Growing Lamps for Indoor Plants Dimmable Daisy Chain Seeding

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.
  • HIGH REFLECTIVE & NOISE FREE: Fanless Professional LED GROW SYSTEM design will make your growing life easy and quiet, quickly heat dispersing material aluminum reducing light lost to aisles and walls, increase the light intensity up to 20%, allowing your plants receive more energy and without burning your plants for maximum.
Color White
Size 4×4
UnitCount 1

6. The Bud Grower – Indoor Home Grow Kit – Complete with Tent, 600 Watt LED (Dual 300-Watt) Grow Light, Heat & Humidity Monitor, and CFM Inline Exhaus

The Bud Grower - Indoor Home Grow Kit - Complete with Tent, 600 Watt LED (Dual 300-Watt) Grow Light, Heat & Humidity Monitor, and CFM Inline Exhausting Fan, & Premium Potting Soil - 24" x 24" x 60"
  • TOP INDOOR GROW TENT: Our 24″ x 24″ x 60″ grow tent comes with 600-WATT FULL SPECTRUM LED Grow Light that delivers optimal light-spectrum coverage, more power for bloom, maximum PAR output at various distances, and super-bright lights. With two separate switches, Veg and Bloom function. Designed for SUPER ENERGY SAVING and works great in a closet, pantry, or corner of your room.
  • GOOD GROWING ITEMS IN A SINGLE BOX: Get a supply of 4″ carbon air filter, 2x steel ducting, 4x Duct Clamps, 3x Rope hangers, 2x Grow Plant Pot/Saucers, Heat & Humidity monitor, Electronic timer, Clip Fan, Pruning Snip, 2x Germination Domes, 5x Rapid Rooter, 1x Power Cord, Leather gloves, 4x Fermenting Bottles. Plus, it has a Filtration System is through 4″ fan, high CFM Inline Exhausting Fan with 5-speed controls.
  • DURABLE TENTS: Tailor made tents for a taller easier grow and to ensure long-lasting use. Premium Indoor Grow Tent Room Reflective 600D Mylar Hydroponic Non-Toxic Hut (Hulk Series). We assemble every small, medium and large indoor or house plants grow kit by hand with the highest quality items to ensure an efficient and enjoyable growing experience.
  • BEST FOR ANY KIND OF PLANTS: Start planting a flower, veg, or herb garden with these grow kits. It comes w/ specially formulated (Two Bags/6lbs) CaliSuperSoil “Hot Soil” and Fox Farm Potting Mix (20 Quart) which behaves like little sponges that control the water well. A complete set of indoor grow kits for beginner and advanced growers/planters.
  • TOTAL GROWING SOLUTION: Our team of experts has sourced the best super-soils, tents, grow LED & HPS lights, fans & carbon filters, and support grows materials. Take pride in your grow from start to smoke, and enjoy the low cost, high quality of a 100% organic and natural yield.
Color Black
Size 24″ x 24″ x 60″- 600 Watt
UnitCount 1

7. SAMPHON Led Grow Light 3x3ft 300W Dimmable Full Spectrum Grow Lights 1116Pcs LEDs Growing Lamp for Indoor Plants Daisy Chain Greenhouse Veg Bloom H

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.
Color Silver
Size 300W
UnitCount 1

8. LED Grow Light Indoor Plants – 300W 420LED Plant Light with 63″ Extendable Tripod Stand,Dual Controllers,Full Spectrum,4/8/12H Timer,Adjustable Goo

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
Color Blue,red,warm

9. VIVOSUN VS3000 LED Grow Light with Samsung LM301 Diodes & Daisy Chain Driver Dimmable Lights Sunlike Full Spectrum for Indoor Plants Seedling Veg a

VIVOSUN VS3000 LED Grow Light with Samsung LM301 Diodes & Daisy Chain Driver Dimmable Lights Sunlike Full Spectrum for Indoor Plants Seedling Veg and Bloom Plant Grow Lamps for 3x3/4x4 Grow Tent
  • High Efficiency & Lower Cost: This VS3000 LED grow light uses premium Samsung LM301 diodes with high-efficiency (2.9μmol/J); The energy consumption is only 300 watts; It can cover 4 x 4 ft. area (5 x 5 ft. max)
  • Dimmable Ballast: This LED plant lamp has a dimming knob with 4 levels that can be used from sprouting to flowering; ​Designed with the daisy chain function (EXT) that allows you to connect multiple lights with 1 socket
  • Full-spectrum Sunlike Lighting: These LEDs deliver optimal light-spectrum coverage (380nm-780nm, 660nm, 730nm, 3000K, 5000K), offering more power for your blooms and maximum PAR output at various distances
  • No Noise & Low Heat: This grow light equipped with high-quality heatsink and ventilation holes, so it can prevents burning or damage to your plants; With no fan design, it can provide a quiet working environment
  • Safe to Use: The IP65 rating surface can meet your demand in different indoor planting environments; Comes with grow glasses, a pair of VIVOSUN US-patented rope hangers & 5-year after-sales warranty service
Color Natural Color
Size 1 Count (Pack of 1)
UnitCount 1

10. Bloom Plus Latest XP3000 LED Grow Light with Samsung LM301B Diodes 4×4 ft Coverage Dimmable Full Spectrum 300W Grow Light for Indoor Plants Veg an

Bloom Plus Latest XP3000 LED Grow Light with Samsung LM301B Diodes 4x4 ft Coverage Dimmable Full Spectrum 300W Grow Light for Indoor Plants Veg and Bloom Hydroponic Growing Lamps with 652pcs LEDs
  • TOP PERFORMANCE & HIGH EFFICACY: Bloom Plus upgraded XP3000 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 600W HPS/MH, XP3000 Plant Grow Lamp consumes only 300Watt with 652 pcs LEDs! Get 50% higher yield harvest and save costs. Perfect for core coverage 4×4 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. XP3000 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.
Color Silver
Size XP3000(Samsung LM301B)

Factors You Need to Consider When Buying 300 Watt Led Grow Light from Online Stores

It is always good to be sure about the 300 Watt Led Grow Light you are planning to buy. It is also important to know some of the essential features that can make or break a purchase. With this in mind, we are here with some of the best picks in the market. And by taking a look at these 300 Watt Led Grow Lights, you can easily narrow down on the right unit without too much hassle.

Quality

A good 300 Watt Led Grow Light is one that has the highest standards of quality. This factor is what makes the 300 Watt Led Grow Light last longer and keeps it functional forever.

Durability

The materials used to build a 300 Watt Led Grow Light determines how durable and sturdy it will be. So, it is best to make sure that the 300 Watt Led Grow Light you are planning to buy is made with the finest materials. This will enable you to buy one that will last long and won’t break after accidental drops. Whether or not the instrument is sufficiently portable can make-or-break a selection every bit as much as its actual features.

Convenience

Some features can make an 300 Watt Led Grow Light very easy to use. You don’t want to go through complicated stuff every time you want to know the level of extensive feature. Features like running on different types can increase or enhance the user experience.

Portability Concerns

Like almost any measuring instrument of this type, you’ll want to think about the portability of the 300 Watt Led Grow Light.

Final Words

When you are looking for a good 300 Watt Led Grow Light to buy, it is important to consider a variety of factors. First and foremost, you should decide what you need the 300 Watt Led Grow Light for. Once you know that, you can begin to look for reviews and compare prices. Now you are good to go with choosing the right product for you.

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