AC Infinity IonBoard S44 LED grow light with black textured base and central power supply.

UIS Ionboard S44 400W LED grow light specs with dimensions: 23.62" x 23.62", 10.74" width, 1.75" height.

AC Infinity ecosystem diagram: controller, fan, exhaust, lights, and smart plug.

AC Infinity ionboard S44 full-spectrum LED grow light system, dimmable, optimized spectrum & diode positioning for max plant yields.

Samsung LM301B LEDs for optimal plant growth, showing 3000K, 5000K, 730nm, and 660nm spectrums.

AC Infinity LED grow light PAR map showing uniform canopy penetration at different heights.

UIS Ionboard S44 400W LED grow light specs with dimensions: 23.62

Dimmable controller with dial for light intensity,

Extra 5% Off

AC Infinity Ionboard S44 400W Full Spectrum LED Grow Light

Sale Price:

~~$429.00 USD~~ $399.00 USD$429.00 USD

Pay as little as
$39900/mo

for a term that suits you, up to 36 months.

This item does not qualify for free shipping.

🍃 Earn 399 points for shopping and get $3.99 off your next order. Join Harvest Club for free

MODEL: AC-IBS44

Free Shipping Over $50 on Most
Lowest Price Guaranteed
Get a Commercial Quote

Call an Expert Live Chat

Full Spectrum

Type

400W

Power

4' x 4'

Coverage

2 Years

Warranty

AC Infinity Ionboard S44 400W Full Spectrum LED Grow Light

Struggling to achieve consistent, powerful lighting across your entire grow area? The AC Infinity Ionboard S44 is engineered to solve that problem, delivering professional-grade, full-spectrum light tailored for a 4x4 grow tent. Its sleek yet durable aluminum unibody design not only looks great but also provides robust IP65-rated protection against moisture and dust.

At the heart of the Ionboard S44 are 1,024 genuine Samsung LM301B diodes, meticulously arranged to eliminate hotspots and ensure deep, even canopy penetration. This high-efficiency setup achieves an impressive 2.75 µmol/J, promoting vigorous growth from seed to harvest. The onboard dimmer allows for precise control in 20% increments, but the light's true potential is unlocked when paired with an advanced AC Infinity smart controller, enabling fully automated schedules and custom light cycles.

What's Included

(1) Ionboard S44 400W LED Grow Light
(1) Hanging Kit with Ratchet Hangers
(1) US Power Cord (NEMA 1-15 Type-A)
(1) User Manual

Features

AC Infinity Ionboard S44 ecosystem integration

AC Infinity Ionboard S44 PAR map for grow tents

AC Infinity Ionboard S44 smart controller compatibility

🌈

Full-Spectrum Coverage

Provides a complete spectrum for all growth stages, from seedling to harvest, for healthier plants and higher yields.

🛡️

Aluminum Unibody Design

IP65-rated construction prevents dust and moisture penetration, ensuring long-term reliability in humid environments.

💡

Premium Samsung Diodes

Features 1024 Samsung LM301B diodes strategically spaced for maximum canopy penetration and even coverage.

📱

Smart Controls

Integrates with AC Infinity controllers for automated schedules, dimming, and custom lighting recipes via the app.

AC Infinity Ionboard S44 Specifications

Specification	Value
Light Dimensions	23.62 x 23.62 in. (60.0 x 60.0 cm)
LED Board Thickness	0.43 in. (1.1 cm)
Driver Dimensions	10.74 x 1.75 in. (22.5 x 4.5 cm)
Coverage	4 x 4 ft.
Diodes	Samsung LM301B
LED Chip Count	1024
LED Driver	AC Infinity Proprietary Driver, Model GTS-100
Efficiency	2.75 µmol/j
PPFD	1937 µmol/s
Spectrum	660nm, 730nm, 3000K, 5000K
Wattage	400 W
Voltage	100-277V AC
Frequency	50/60 Hz
Amps	3.60 A @ 120V \| 1.80 A @ 240V \| 1.56 A @ 277V
Controller	Digital Dimming Timer
Power Connector Type	US Plug (NEMA 1-15 Type-A)
Operating Humidity	35 to 85% RH
Operating Temperature	32 to 140°F
Life Expectancy	50,000 Hours

Support & Manuals

📄AC Infinity Ionboard S44 Product Manual

Warranty

This product is backed by a two-year warranty from AC Infinity, covering manufacturing defects and component failures under normal use. All sales are final.

FAQs

How does this compare to other 400W lights?+

The Ionboard S44 stands out with its genuine Samsung LM301B diodes, high efficiency of 2.75 µmol/J, and a durable unibody build. Its seamless integration into the greater AC Infinity ecosystem provides a level of automation and control that many competitors lack.

Is the Ionboard S44 suitable for all growth stages?+

Yes. It provides a scientifically engineered full spectrum (660nm, 730nm, 3000K, 5000K) that supports plants through their entire life cycle. The built-in dimmer and smart controller compatibility allow you to tailor the light intensity for seedlings, vegetative growth, and flowering.

What does the IP65 rating mean for growers?+

The IP65 rating signifies that the light is completely dust-tight and protected against low-pressure water jets. This makes it exceptionally safe and reliable for use in the high-humidity environments typical of grow tents and rooms, protecting the internal components from moisture damage.

What's included in the box?+

The package includes the Ionboard S44 LED light, a complete hanging kit with adjustable ratchet hangers, a power cord, and the user manual. Smart controllers like the AC Infinity Controller AI+ that unlock advanced features are sold separately.

What does the two-year warranty cover?+

AC Infinity's two-year warranty covers manufacturing defects and component failures that occur under normal operating conditions. It ensures your investment is protected against unforeseen issues with the fixture.

How can I get the most out of the AC Infinity ecosystem?+

To maximize your results, consider pairing the Ionboard S44 with other AC Infinity equipment like inline fans and controllers. This creates a fully automated environment where temperature and humidity trigger responses from your devices. For a deeper dive, check out our in-depth guide to AC Infinity systems.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

Most orders are processed within 24-48 hours after being placed.

Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

AC Infinity Ionboard S44 400W Full Spectrum LED Grow Light

About AC Infinity Ionboard S44 400W Full Spectrum LED Grow Light