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Kind LED K3 Series 2 – XL300 Indoor LED Grow Light

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Original price $395.00 - Original price $395.00
Original price
$395.00 - $395.00
Current price $395.00

The all new K3 XL Series is designed with the hobbyist, home grower in mind, but packs the punch of the perfectly tuned spectrum and intensity commercial growers have come to rely upon from the award-winning K5 Series, providing unmatched quality and yield at harvest.

The NEW K3 XL Series from KIND LED will improve nearly every aspect of your grow

Taking cues from it’s best-in-class big brother, the NEW K3 XL Series offers the same unprecedented results as the K5 Series with secondary optical lenses and a new expanded perfect 12-band spectrum in an easy to use, plug n’ play, seed to harvest fixture.

See how the NEW K3 XL Series grow lights stack up against the competition. Designed by growers, for growers, KIND LED Grow Lights are specifically engineered to match the needs of the plant and out perform any other grow light on the market.

  • Amplified quality and potency, with newly enhanced UV diodes to increase terpene and flavor profiles.
  • Significantly increase flower density and harvest weight with re-calibrated secondary optical lenses that focus light intensity and deliver 200% greater canopy penetration.
  • Optimized diode distribution reduces the hots spots commonly found in LED grow lights, resulting in balanced, rapid growth across the entire footprint.
  • Lifetime professional grow support so you never have to grow alone.

Replaces: 300w Traditional Grow Light / Actual Wattage: 210w

Full Specifications of the K3 Series 2 XL300 LED Grow Light:

  • Spectrum: Full Spectrum (380-730nm)
  • Diodes: 90 (3w, UV, IR)
  • Max Wattage: 170w
  • HID Wattage Equivalent: 300w
  • Input Voltage: 100-240V AC Power Input
  • Output Voltage: UL Stnd. < 76V DC
  • Lifetime: >50,000 Hours
  • Weight: 14.76 lbs
  • Dimensions: 15.75”L x 13“W x 3.25”H
  • RMH (Recommended Mounting Height Above Canopy): 18″
  • Footprint (RMH): 2′ x 2.5′
  • PPFD Peak (RMH): 776
  • Warranty: 3 Year
  • Certifications: CE, ROHS

Order Confirmation

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.

As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.

If your item is on backorder or unavailable, we will reach out to you via e-mail to discuss the delays in shipping.

Order Shipment

We will send you tracking information within 4 hours of your order leaving the warehouse to the e-mail address your provide when checking out.

If you do not receive tracking information from us within 6 business days of your order, feel free to follow up with us at

Shipping Services

Our products always ship FREE via FedEx, UPS, USPS, or in the case of oversized items, via regional freight carriers.

Shipping times vary based on the item and your location, but delivery can be expected within 2-7 days of leaving the warehouse. If you have questions or need expedited delivery, please reach out to us and we will work to accommodate your specific needs!

90 Day Full Warranty | 3 Year Limited   

What Is Covered

Kind LED Grow Lights products are warranted against defects in materials and/or workmanship for a period of three (3) years from the original date of purchase.  During the warranty period, Kind LED will either repair or replace any covered, defective product.  Within the first 90 days, Kind LED will incur all costs associated with the repair, or replacement, and return of the defective product.  After 90 days, the customer will assume responsibility of shipping the defective product back to Kind LED for the remainder of the warranty period.  Kind LED will, in turn, assume responsibility for up to $50.00 per light of the shipping fees associated with returning the repaired or replaced product back to the purchaser.   Return shipping fees in excess of $50.00 will be the responsibility of the purchaser.

What is Not Covered

This limited warranty does not cover any damage, deterioration or malfunction resulting from any alteration, modification, improper or unreasonable use or maintenance, misuse, abuse, neglect, exposure to excess moisture, fire, and/or corrosive or damaging substances such as, but not limited to, diatomaceous earth, sulfur dioxide from sulfur burners, and excessive carbon dioxide produced from NG/LP burners, improper packing and shipping (such claims must be presented to the carrier), lightning, power surges, or other acts of nature. This warranty does not cover any damage, deterioration or malfunction resulting from the installation or removal of this product from any installation, any unauthorized tampering with this product, any repairs attempted by anyone unauthorized by Kind LED to make such repairs, or any other cause which does not relate directly to a defect in materials and/or workmanship of this product. If the use of corrosive materials in your grow cannot be avoided, your Kind LED grow light(s) must be removed or completely covered during exposure periods. Damages resultant from corrosive materials are easily identified during inspection and are not covered under this warranty.

How to Obtain Warranty Service

In order to enforce the rights under this warranty, the original purchaser must notify SproutRite of a warranty claim. At this time, the original purchaser will be called upon to provide proof of purchase and the lot number located on the silver sticker on top of the housing.  The Kind LED representative will either attempt to assist in troubleshooting, request photos showing defect, or issue a Return Authorization Number and provide more detailed return instructions.  Upon receipt and review of the defective product, we will repair or replace, and return within five (5) business days.

90 Day Money Back Guarantee

Kind LED Grow Lights is so confident in the performance of our cutting edge products that we offer a complete 90 Day money back guarantee.  If you are unsatisfied with your purchase for any reason, we will gladly accept a return, and provide a refund less shipping and restocking fees.

Eligibility requirements are as follows:

  • 90 days begins from date of purchase
  • Offer valid for up to two lights
  • Offer valid for original purchaser only
  • Offer valid for first purchase of Kind LED products only
  • Offer valid for returns only, exchanges are subject to a 30 day return policy and restocking fee
  • Product must be returned in “like new” condition and in original packaging
  • Offer valid for direct purchasers only. Customers purchasing via authorized resellers are subject to policies of reseller

How to Obtain Refund Service

In order to enforce the rights under this warranty, the purchaser must notify SproutRite of a return claim. At this time, the purchaser will be called upon to provide proof of purchase and the unique lot number located on the silver sticker on top of the housing.  The Kind LED representative will verify qualifying information and, if eligible, issue a Return Authorization Number, as well as provide more detailed return instructions.  Upon receipt and review of the returned product, Kind LED will issue return credit less applicable fees within ten (10) business days.


Returns are accepted within 30 days from the date of purchase. Pending the below conditions are met, purchaser will receive a refund less a 15% restocking fee and any associated shipping fees, regardless of whether FREE SHIPPING was offered at time of purchase.

  • 30 days begins from date of purchase
  • Valid for original purchaser only
  • Product must be in “like new” condition and in original packaging

At SproutRite, we are fully committed to providing our customers with the very best products and customer service. We fully believe in going the extra mile to ensure that each customer is 100% satisfied with his purchase.

Our customers choose us because:

Exceptional Support

We want to hear from you! We strive to set the industry standard in Customer Service. Have a question or concern? Call us at (833) SPROUT2!

Have feedback that could help us improve how we serve our customers? We're here for you!

While many retailers strive to minimize customer engagement, we encourage it!

Lowest Price Guarantee

We work tirelessly to ensure that we offer the absolute best prices online! If you find another online store that offers a lower price than us within 30 days of your purchase, please let us know and we will refund your original payment for the difference. It's that simple.


Free Shipping

Always. No exceptions.

Industry Best Partners

We are not a resell shop or discount retailer that is here today and gone tomorrow. We work diligently to maintain long-term relationships with the garden industry's top manufacturers to bring you the highest quality and most innovative products available in today's market.

We stand by our partners.