A good quality LEDs grow light is a must investment for a 4×4 grow tent. You have made a great effort to grow plants indoor with an efficient control system through a grow tent. But to yield higher from their indoor garden, you need to have proper light setup for your plants. Every grower knows the importance of light in the growing cycle of plants (veg, bloom, flowering). So, choosing the best grow light setup for your grow tent is very crucial. Here we will review the grow lights that have enough lumen/PAR to cover your 4×4 tent. The 4×4 tent is a great size as it’s not too big or small. The lights that can be used in a tent this size vary dramatically. You can use almost any fixture from traditional single-ended fixtures, LED lighting, or Ceramic Metal Halide. The only fixtures that might be avoided are double ended fixtures but that has more to do with height restrictions. Since LED lights are usually preferred for grow tents, we will only discuss best LED grow lights in the market for your tent. For a 4×4 tent, you should have a grow light having an actual wattage range of 400-600 watts (assuming flowering plants which require a lot of light and are congregated in a single area. Vegetative growth for high-light plants need about half this wattage).
In this article, I will reveal my picks for the Best LED Grow Lights in 2021. This list will include LED grow lights that have a flowering coverage area of 4’x4’ and are best for a full-cycle grow (from seedling through flowering). These are complete fixtures only. This list does not include DIY grow lights or lights that require significant assembly. The grow lights are listed in no specific order. For a LED grow light to make this list, I factor in: PAR output, efficiency, spectrum, light spread, diodes, drivers, and warranty.
ECO Farm Z6-600 Ultra Samsung LM301B LED Grow Light With Separately UV+IR Control
ECO Farm Z6-600 Ultra Samsung LM301B Full Spectrum White Light Diodes, 660nm Red Diodes, IR+UV Diodes on independent controls.Each LightBar is Made up of 272 pcs leds: Totaling 1632 diodes per light ;4x4 - 5x5 flowering footprint;Maximize Every Inch of your Garden with The Best Distribution of Light on the Market with Over 1000 PPFD Corner to Corner;
Model:Z6-600 Ultra
Spectrum:Samsung LM301b 3500k + 660nm Far Red + IR + UV
PPF :1752.6μmol/s
Efficacy:2.9 μmol/J
Flux:104611LM
Input Power:600W
Input Voltage:100-277V
Power Factor:>0.95
Dimming:0-10V
Light Distribution:120°
Working temperature:-20℃-55℃
Lifespan :>50000hrs
Dimensions /(mm):1000*1000*113
Packing size /(mm):1150*210*270
N.W|G.W /(kg):11.55/13.6
Certifications:CE、Rhos、Fcc
Diodes:SAMSUNG 301B 3500K/1512PCS
OSRAM 660nm/72PCS
OSRAM 730nm/24PCS
SEOUL 395nm/24PCS
Inventronics Driver
6 Bars 100W/Bar
UV/IR Switch Buttons Separate Control
Warranty:3 years
PPFD:
SPIDER FARMER SE5000 480W LED Grow Light
SPIDER FARMER SE5000 unique designed 6-LED bars provide more even canopy coverage, especially to the outer edges cultivation areas. With 2016pcs SAMSUNG LM301 diodes, SE5000 Led grow lights draw 480 watts with 1317.4umol/s, achieving an impressive PPE of 2.75 umol/J, coverage for 4'x4′ of high-yielding full-cycle growth.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).
Model:SPIDER FARMER SE5000
Multi-Bar Design:6-Bar
The Amount of LED:2016Pcs
Full Spectrum: Full spectrum (2800-3000K, 4800-5000k, 380-410nm, 650-665nm)
Power Draw:480W±5%%@AC100-277V
Par Value:1317.4umol/S
PPE :2.75 umol/J
Lifespan :>50000hrs
Component::SAMSUNG Diodes & MOSO Driver
Daisy Chain:SE supports to connect each other, up to 15 lights
Footprint:Personal Flower: 4x4FT/Commercial Flower: 3x3FT
Light Size:34.4''x33.9''x3.7''
PPFD:
Grower's Choice ROI-E680 LED Grow Light
TSL Horti Tech and Grower's Choice worked together to create the ROI-E680. With an even spread, this fixture delivers an excellent PPF. The Grower's Choice ROI-E680 LED Grow Light has a PAR efficacy of 2.6 µmol/J and pulls a 680 watts. As a full spectrum LED grow light with Osram Top Bin Diodes, the ROI-E680 spans 3000-3300K, providing the specific wavelengths necessary to perfect the veg and flower stages of growth. Despite its intensity, it should save the grower up to 40 percent in energy costs. Growers Choice has built this light to last, as it comes with several certifications appropriate for commercial spaces: IP65, ETL, and CE — not to mention an estimated lifespan of 54,000 hours. The ROI-E680 has an onboard dimmable feature and is compatible with most commercial lighting controllers, including their own Growers Choice model. As with all their products, it comes with a 3 Year Limited Warranty.
Wattage draw at the wall: 680 watts
HPS equivalent: 1000w
LEDs: Osram LEDs; 54,000 hour lifespan until L90
Spectrum: GC-3K Full Phase; Full spectrum with 660nm deep red
PPF (light output): 1770 umol/s
PPF/Watt: 2.6 umol/j
Beam angle: 120°
Coverage area: 4' x 4' to 5' x 5'
Mounting height: 12-18" above canopy
Dimensions: 42.4” L x 42” W x 2.4” H
Cooling: Passive
Dimming: 0-10v
Operating temperature: -20°C to +45°C
Operating/input voltage: 110-277v AC
Plug: NEMA 5-15P 120V plug, NEMA 6-15P 240V plug adapter included
Amperage: 120V: 5.872A / 208V: 3.346A / 240V: 2.945A / 277V: 2.618A
Product weight: 30 lbs
Additional details: IP65; ETL-listed; CE certified; FCC
Recommended for: Home grows, Commercial grows, Grow rooms, Tents
Manufacturer's Warranty: 3 years full
Gavita Pro 1700e Gen2 LED Grow Light
The Gavita Pro 1700e Gen2 produces a high 1744 µmol/s output, with an impressive 2.6 µmol/J system efficiency. Its intensity is suitable for up to a 6' by 6' vegetative grow, or a slightly smaller 4' by 4' flower. The unit contains an unheard of 3264 Samsung White LEDs and 72 Osram Deep Red LEDs. With this number of diodes, it can replace a 1000 watt HPS. And despite the capacity, it draws a moderate 646 watts and is dimmable to upwards of 50 percent without changing the efficiency. With passive cooling, Gavita Pro estimates a 30 to 40 percent reduction in HVAC costs. Commercial operations will be happy to hear the Gavita Pro 1900e Gen 2 comes with several critical certifications, including ETL listing, IP66 rated housing and cables, plus RJ45 cables. Unlike many other commercial lights, Gavita offers a 5 Year Limited Warranty.
Wattage Draw: 645-670 watts
HPS equivalent: 1000 watts
Diodes: 3,336; Samsung and Osram
Spectrum: Full-spectrum white with enhanced red for seed to flower growth
PPF (light output): 1700 umol/s
PAR Efficacy: 2.6 umol/J
Coverage area:
- Flowering footprint: 4'x4' to 5'x5' (16 to 25 sq ft)
- Vegetative footprint: 6'x6' to 7'x7' (36 to 49 sq ft)
Dimensions: 44.1 x 43.7 x 2.3 in
Maximum ambient operating temperature: Up to 40° C
Operating/input voltage:
- 5.4 A (120V)
- 2.6 A (208-240V)
- 2.3 A (277V)
Product weight: 28.4 lbs (12.9 kg)
Additional details: FCC compliant, UL1598, and IP66 rated
iSpirix iCann1700X LED Grow Light
The iSprix iCann1700X has the popular design of 6 lighting bars focused on distributing more light as evenly as possible across the plant canopy. Plus, this LED grow light offers a fully programmable spectrum to adapt to each phase of the plant cycle. A high efficacy of 2.4 µmol/j and up to 630 wattage power consumption contribute to high efficiency growing operation.
Providing 4 x 4 foot bloom area and 5 x 5 foot vegetative area, the iSprix iCann1700X grow light for indoor plants supports all phases of your plants lifecycle, whether used in a tent for personal growers or chained together in a large commercial operation.
Wattage: 630-700 watts @277 AC
AC input voltage: 120-277V AC, 120-347V AC, 50/60Hz
HPS equivalent: 1000w
LEDs: Samsung and Osram LEDs; <50,000 hour lifetime
Spectrum: Full spectrum
PPF (light output): 1550-1700 umol/s
PPF/Watt: 2.4 umol/j
Thermal Management: Passive
Coverage area:
4' x 4' veg
5' x 5' Bloom
Mounting Height: >6" above canopy
THD: 20% Max
Dimensions: 47" x 42.8" x 1.97"
Power Factor: >0.95
Dimming: Dimmable 0-10V/PWM
Operating temperature: -20°C to +40°C
Amperage: 120V: 5.7A / 230V: 2.94A / 277V: 2.62A
Product weight: 48.5lbs (22kg)
Manufacturer's Warranty: 5 years
How Many LED Watts Are Required Per Square Foot of Grow Space?
It could sometimes depend on the plant you’re growing in that space. But as a simple rule, you need to provide 30 to 40 watts per square foot of grow space.
What Features To Look For In LED Grow Lights?
Low Heat Output: Some cheap LED grow light tends to get overheat and make the environment hot. This could burn plants out. Also, LED grow lights that tend to overheat seem to have a shorter lifespan than the ones that don’t produce excessive heat.
Thus you save some money not having to buy LEDs again and installing them.
LED Grow Light With Cooler: Few LED lights have high-quality cooling fans included in them which internally cools the LEDs. This is great for lengthening the lifespan of the LEDs. Thus, you should look for LED grow lights with a high-quality internal cooling fan.
Quality of the Semiconductor Chip: It is like the heart of a LED grow light, and the heart needs to be of great quality, right? This chip is responsible for converting electricity into light and also determines the wavelength of light.
Make sure you buy a LED grow light with a good quality semiconductor chip that has a minimum wattage of 3.