Skip to content
We ONLY Charge Sales Tax in New Jersey | FREE SHIPPING On Continental US Orders Over $175!*
We ONLY Charge Sales Tax in New Jersey | FREE SHIPPING On Continental US Orders Over $175!*
Price Match Guarantee

More Details

Financing Available

More Details

Discreet Shipping

Secure Payment

More Details

NextLight 420H LED Grow Light

Save 44% Save 44%
Original price $529.00
Original price $529.00 - Original price $529.00
Original price $529.00
Current price $298.00
$298.00 - $298.00
Current price $298.00

Contact Us For Volume Pricing.

Notify me when back in stock
More Payment Options Available

We accept all major credit cards, crypto, bank transfers and Paypal 0% credit plans. More detail here.

NextLight 420H LED Grow Light

700W HPS Replacement - Grow Tent Lighting

The NextLight 420H is a high efficiency - bright white LED grow light designed for growers looking to maximize yields in restricted spaces. The NextLight 420h is the most powerful fixture in the NextLight Home Series. The NextLight Home Series is designed for experienced and novice home growers alike. Harnessing the quality and efficiency expected from any NextLight product, including the industry leading 5 Year Full Warranty.

The NextLight 420h has the power and versatility for all stages of plant growth. The Onboard Dimmer allows you to dial in dimming values from 0-100%, giving you precise control over your desired light intensity. The NextLight 420h is ideal for 3' x 3' flower footprint and 5' x 5' veg footprint.

Quick Summary

  • 420 Watts
  • 2.6 PPF/W (μmol/J)
  • IP65 Wet Rated
  • 5 Year Full Warranty - All Components - Down to the Diode
  • Designed for use in restricted spaces and grow tents
  • Flower Footprint: 3' x 3'
  • Veg Footprint: 5' x 5'
  • Onboard Dimming
  • NextLight’s Full Spectrum is recommended from seed to harvest
  • Passively Cooled
  • Plug & Play - contains power cord

Actual Wattage 420 watts
Operating Voltage 100-240 V/AC
Operating Frequency 50/60 Hz
Input Current 3.5A @ 120V, 1.75A @ 240V
Spectrum full spectrum white light for seed to harvest
Coverage Area 5 by 5 feet for veg; 3 by 3 for flower
Operating Temperature -4ºF to 104ºF (-20ºC to 40ºC)
BTU Output 1435
Dimensions 25 x 24.75 x 3 inches
Product Weight 12 lbs.
Life Span Q90 > 50,000 Hours
Certification CE, IP65, Wet Rated
Recommended For Grow Tents and Seed to Harvest
Manufacturer's Warranty 5 years

- Free Shipping on all orders $175+ in the continental US and internationally.*
- Tracking Info will be provided via email within 24 hours of shipment.
- Easy Returns within 30 days of purchase.
- Please see our Shipping & Returns policy for more details.


Warranty Information
NextLight purchases include a 5 year warranty.