AC Infinity IONBOARD S33, LED Grow Light Board with Samsung LM301H Diodes, Deeper Penetration Full Spectrum Lighting, for Veg Bloom Indoor Plants in Grow Tents Greenhouses (3x3)
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
15 left in stock
Arrives
Saturday, Jun 21
Color: White
Size: 3x3
Features
- Dimmable LED grow light designed with an optimized spectrum and diode positioning, to maximize plant yields.
- Utilizes full-spectrum Samsung LM301H LEDs to achieve powerful lighting optimized for all plant stages.
- Algorithmically positioned diodes create the most uniform PAR map and the deepest canopy penetration.
- Dimmer enables 0 to 100% brightness. Can connect with our smart controllers to access grow cycles, scheduling, and app.
- Constructed on a unibody aluminum board and IP-65 rated for grow environments with higher humidity and heat.
Color: White
Shape: Rectangular prism with rounded corners
Material: Aluminum
Finish Type: Silver Metallic
Light Source Type: LED
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jun 21
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: White
Size: 4x4
AC infinity doesn't publish these numbers so i calculated them myself. Hopefully this saves someone else time. There are 1,020 total diodes on the ionboard S44 board. 64 of those are red (730nm & 660nm) 512 diodes are 3,000K 448 diodes are 6,500k Setting aside the red, this averages 4,652k per diode. So if you are using an app like PPFD meter app to calculate DLI and you are using the ionboard S44 then the correct light setting is either 4,000K + 10% **or** 5,000K + 10%. Unfortunately there is no option for 4,500K + 10%. This should get you roughly right.
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Reviewed in the United States on April 7, 2025 by KP Smith
Color: White
Size: 4x4
These 4x4 lights are very warm. Which raised the temperature in my tent by 10 degrees. However, I guess I dont have to buy a tent heater since its at 76 degrees now, instead of 66 like it was..... Awesome! They are very bright, very very bright (running on 80 percent). So bright, my plants are mad now because they were used to less bright lights. So, I'm hoping they perk back up asap. Hopefully these lights last a long, long time for the price, but im nervous since many of the reviews claim a 9-12 month life span before failure due to overheating.. If this is the case, hopefully AC Infinity don't mind giving me new lights every 9 months for the rest of my life. Could present a problem though, since I dont really have any backup lights laying around..... Fingers crossed. As long as they last at least 20 years, I would say they are great. 😆
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Reviewed in the United States on March 8, 2025 by Ed S.
Color: White
Size: 4x4
I really like AC Infinity products from tent, fans, outlets and lights, even fabric pots. My experience and my results have been excellent. Unfortunately, my Ionboard S44 quit this week after approximately 13 months of service with a break over the summer months (May-October) when I have nothing in the tent. Not sure if there is a problem with longevity, as I see some other reviews mentioning this as an issue, but I want to say that I contacted AC Infinity via their website, and within an hour, they are shipping a replacement to me. This is exceptional customer service, and while I would have preferred that my board last as long as its predecessors, which are still working, I have little to complain about.
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Reviewed in the United States on February 27, 2025 by Greg T.
Color: White
Size: 2x4
I'm impressed with the quality of the light board and the accompanying manuals and accessories. The light output is excellent and easily controlled with the adjustment knob.
Reviewed in the United States on April 5, 2025 by Bill M
Color: White
Size: 3x3
Love everything about ac affinity really good product. I have bought a lot of stuff from them but my light went out and did not know still had warranty until after the warranty so I lost all my grow because had no light. I only got half the hours out of it. It would of been nice to get a replacement out of it since only got half the life out of it. I have bought 3 lights and tons of other stuff from them.But I still love there products!
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Reviewed in the United States on February 20, 2025 by Tad Derleth
Color: White
Size: 2x2
it's my first grow light. I used it to start seeds to be transplanted to patio pots because of short growing season. great quality, i hope to get some additional use in our off growing season. I'd buy again or consider a larger version.
Reviewed in the United States on March 6, 2025 by Jo
Color: White
Size: 3x3
Update 5/23: After about 22 days of waiting, AC Infinity came through with a new light for me. I hope this one lasts longer than 11 months like the first one. Just glad to finally have some decent light again for my plants. Update: My light died in less than a year after use. It's my only grow light and I took great care of it. I never dropped it, never bumped it, never damaged it at all. It just died. The light didn't even last 3 grows. So I contacted AC Infinity for a replacement because it falls under the 2 year warranty. They seemed very helpful, they said they shipped out a replacement for me, I even sent my old one back immediately. It's now been two weeks since I contacted them and the tracking number for my new light has still not been updated. They keep giving me the run around and say my new light has been shipped, but today I called UPS and they say they don't have the package in their possession. Now I don't even know what is going on. AC Infinity took my old light and have not shipped out my replacement, but at the same time they are claiming they have. I'm starting to feel like I got ripped off big time. ------------------------------------------------------------------------------------------------------------------------- So I've been using two older box-style LED grow lights in my tent for the past couple years. You know the ones with the fans built in? In the summer time, even with proper ventilation, my tent was regularly over 100 degrees with both lights running. I've only had the AC Infinity Ionboard for a few days now and I can tell we're going to be good friends. The temp in my tent with the Ionboard running at full blast is 82 degrees. That's not to say the driver doesn't get hot, but the overall tent temperature is perfect. The S33 model is stellar for my 3x3. I used to have to pull about 700w from the wall of LED lights to cover the entire tent area, now I'm only using 240w. The light dispersion the Ionboard is incredible. Almost every leaf is covered. I know I've only had this light for a few days, so it's more of a first impression review, but I just felt people should know how well the Ionboard keeps my tent cool. The AC Infinity build quality is impressive at this price point, very happy with my purchase.
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Reviewed in the United States on June 14, 2022 by Sharkbite Sharkbite
Color: White
Size: 2x2
Perfect for small tents! Works amazing!
Reviewed in the United States on March 23, 2025 by colin