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🌿 Light up your green space like a pro—grow smarter, not harder!
The SANSI 40W Dimmable Grow Light Bulb offers a full spectrum 400-780nm light with 3800 lumens brightness, remotely adjustable dimming and timing functions, and patented ceramic heat sink technology. It’s an energy-efficient 600W equivalent LED bulb designed to accelerate indoor plant growth with natural sunlight simulation, backed by ETL/CE certifications and a 5-year warranty.











| ASIN | B0CWTPLRK4 |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Additional Features | Dimmable |
| Beam Angle | 60 degrees |
| Best Sellers Rank | #6,178 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #10 in Plant Growing Light Bulbs |
| Brand | SANSI |
| Brand Name | SANSI |
| Bulb Base | E26 |
| Bulb Shape Size | BR30 |
| Color Rendering Index | 90 |
| Color Temperature | 4000 Kelvin |
| Connectivity Technology | Normal bulb |
| Control Method | Remote |
| Customer Reviews | 4.4 out of 5 stars 257 Reviews |
| Incandescent Equivalent Wattage | 600 watts |
| Included Components | Remote |
| Indoor Outdoor Usage | Indoor |
| Light Color | 400nm-780nm |
| Light Source Operating Life | 25000 hours |
| Light Source Type | LED |
| Light Source Wattage | 40 watts |
| Light Type | LED |
| Manufacturer | SANSI |
| Manufacturer Part Number | 01-03-001-094001 |
| Material Type | Ceramic |
| Model Name | C21GL-CE26-40W |
| Model Number | C21GL-CE26-40W |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Consumption | 40 watts |
| Power Source | Corded Electric |
| Shape | Arbitrary(A) |
| Special Feature | Dimmable |
| Specific Uses For Product | Plant Growing |
| Specification Met | ETL |
| Unit Count | 1 Count |
| Voltage | 120 volts |
| Wattage | 40 watts |
| White Brightness | 4000 lumens |
C**R
Love it
So far so good I put this lamp in a corner where I don’t get any natural light and every plant I’ve put there has grown pretty quickly. I love that. I don’t have to worry about it since I am able to program the specific time and it just repeats it every 24 hours. You can also adjust the lighting. Make sure to also keep a distance from your plants for about a foot to prevent burning
C**N
Helps my plants grow!
I have large tropical plants that spent the summer outside and need adequate light to not go into shock when they come inside for the winter. I love this bulb, it has a remote for the timer and the light candles are SO HIGH! I don’t hear any noise while they are on, and they’re priced well. I was able to get them on anytime deal and that was awesome. They are functional, the timer allows me to set it and forget it basically. I’m not sure if the lifespan just yet as I’ve had it for about a month. I liked the pendant light set up to fit with my home aesthetic. It hasn’t overheated this pendant at all, nor has it burned any leaves. Totally recommend.
E**R
Well worth the investment
These lights are fantastic. I bought a few of them. They are linkable so you can set the timer and all of them are on the same schedule. I tried to use one as a "sun" to cast light over all of my plants, but it doesn't really work like that. It's better to have them focused on only a few plants or just one. I have them strategically placed around so the plants get the light, without blocking my view of my collection. That's delicate balance, and if I'm being truthful, I'd say that a few of my plants suffer a bit so I can see them. I just try and rotate plants so they all get a bit of the good stuff. You should buy these bulbs. They are really well built and come with a 5 yr warranty. Can't really go wrong. Invest the money.
K**.
Really nice looking light, and effective and High PPDF output.
This is actually a very good light. The PPFD is strong - I measured it. It does get hot, so be careful. After trying several brands, I think the two leading options for houseplant grow lights are Sansi and Barrina. Both are full spectrum, but the quality of light from Sansi seems better, it looks and feels nicer than Barrina’s. My only gripe is the form factor. Almost everything Sansi makes is a bulb or a spotlight-style design that points directly at the plant. I’d love to see them make T5 or T8 fixtures that can line a shelf like Barrina’s. They do have one, but it’s way too expensive for just a single 2-foot light. Maybe Sansi will read this and take the hint.
S**J
Great item!
I love sansi products. It’s not dimmable in the traditional sense, you chose 25% 50% 75% 100% brightness. No buzz like other brands and fits most light fixtures
I**.
So far it Is working well
I must say in advance that these bulbs should never be used in a closed shade. These lamps get very hot. If you want your shade to look cute, then get something like wicker, rattan, or rod with open spaces. I had a 36w bulb with a rattan and white cloth shade. I could not touch the bulb and felt heat coming off of it. Once I removed the white cloth shade, it still looked cute with the rattan shade and there was no heat. I read some of the reviews with several people having issues with the remote. I have had it a couple of days and the plants are loving it. I ordered a floor lamp I am waiting for, but I was able to screw it into a ceiling fan light fixture with an extension for now and the plants are drinking up this light. I love the remote feature that is working well so far. I am considering purchasing another for a hanging grow lamp. What is nice is you can use these bulbs in any regular lamp so long as the socket on both are compatible.
J**L
Good at First, Short lifespan
These were great at first, but 2 of 4 have burnt out after 14 months. They are not in an enclosrure that would cause them to overheat.
P**R
Heavy bulb
It's a great bulb, on the heavy side and it does get warm.
D**E
Great bulb!
I’ve had this bulb over a year now. I love it and so do my plants. I purchased a lower voltage sansi bulb 6 weeks ago and it’s already giving me the flash of death for the last week. I’ll wait until this one goes on sale and purchase it again.
S**N
Does a great job!
Excellent grow light! Very happy with the results!
S**9
Powerful and good quality. Great for warmth loving plants.
Nice powerful grow light bulb that can be used with a regular lamp. The round bulb design is good for giving a lot of light and warmth in a relatively small area, like a small shelf. The timer is pretty precise. Note that the bulb does get warm and creates warmth for the plants under its light, but it's not hot enough to hurt if you touch it. So you need to pick plants that like warmth to use that light. If you prefer cooler light and/or something that covers a wider area, I would recommend using a tube-shaped grow light.
D**L
Lightning is good but usability is useless for multiple bulb set up.
Its a good idea but need a lot if improvement. 1st- too heavy but maybe thats how its made for its purpose so not a big deal. 2nd and the worst is if you purchase multiple bulb even though each of the bulb has remote its useless because the problem is you can not program the remote each bulb, so if you press for example off, then all the bulbs will turn off. If you change the light dimming setting, all of them will go the same. The problem with this is plants differs how long and how bright each plants need. I will give 5star if remote can be programmed each bulb.
É**C
SANSI Dimmable Grow Light Bulb
SANSI Dimmable Grow Light Bulb provides beautiful lighting but I find it too heavy for my equipment.
Trustpilot
2 months ago
3 weeks ago