Skip to product information
1 of 6


LuxFond LF840 - 840W LED Grow Light

LuxFond LF840 - 840W LED Grow Light

Regular price $679.00 USD
Regular price $0.00 USD Sale price $679.00 USD
Sale Sold out
Shipping calculated at checkout.
Add 1 Intelligent Grow Light RJ11 Controller?

LuxFond LF840 - 840W LED Grow Light

The LuxFond LF840 LED Grow Light is versatile, compact and easy to install in virtually any grow space. The reflective cup design concentrates the Top-Bin Samsung LEDs for a powerful and even spread of full spectrum light.

The LF840 light is flexible and efficient, with dimming capabilities from 0% - 100% to help optimize the perfect level for your plants throughout their growth cycles. Connect up to 50 fixtures using daisy chained splitters and a LuxFond master controller.

Top-Shelf Components

The LF840 is manufactured using industrial grade processes with top bin hot-selling Samsung & Epistar Red 660nm diodes and a UL certified driver.

Even Light Coverage

The LF840 is a reliable light for all your indoor growing needs. Its 8-bar configuration allows you to mount this fixture in low rooms, over rolling benches, in grow tents, or even on vertical racks! It's been designed to produce even level of photosynthetic flux density (PPFD), but for optimum uniformity hang the light 24" - 36" above the canopy.

Externally Controllable

Connect up to 50 of these powerful fixtures using the LuxFond master controller and daisy-chained splitters. With this setup you can dim its broad, full-spectrum light anywhere from 0% to 100% while maintaining efficiency and delivering ideal lighting levels to your plants as their needs change through the growth cycles, from veg to flower.

Upgraded Full Spectrum Light

Full Spectrum with UV & IR Enhancers

Idea for all growth stages- from veg to bloom. mixed with white, blue, red and UV,IR LED (3000K, 5000K, 660nm and IR 730nm & 395nm UV)

Increased Yields and Quality

With the LF840 you can expect yields on average up to 2.5 g/w and overall crop quality compared to traditional blurple and HPS lights. 

No Removable Driver & Fanless Design

The LF840's fanless design eliminates fan noise, moving parts that can fail, and offers optimal heat dissipation from its thick 2.8 Inch (70mm) aluminum heatsink. The all in one design's build-in driver saves install time and labor costs. 

Waterproof IP65 Rated

Its IP65 waterproof rating takes the worry out of growing in high humidity environments.

180 Degree Foldable Design

The LF840's slim design is also foldable up to 180 degrees, making it small, compact, easy to install, take down, and store. Recommended for home, commercial grows, grow rooms, and grow tents.

What's Included

  • (1x) LF840 Grow Light Bar
  • (1x) 6ft Power Cord
  • (2x) Hangers with carabiners
  • (2x) Adjustable Yoyo Hangers
  • (1x) RJ11 Cable
  • (1x) User Manual



LuxFond LF840 Features

  • LED Qty: 2176 pcs
  • Emitting Color: 3000K/5000K - Red 660bn - UV 395nm/IR730nm
  • LED Source: Top-Bin Samsung LED
  • Par Efficiency: 2.8 umol/j
  • Driver: Built-in Infinex UL Drivers
  • Input Voltage: Auto-sensing 90-305V
  • Thermal Management: Passing cooling
  • IR Rating: IP65 Waterproof
  • Dimming: 1 Manual Dimmer & RJ11 Controller (Sold Separately)
  • Operating Temperature: -20C to 40C (-4F to 104F)
  • Lifetime: >100,000 hours

LuxFond LF840 Specifications

Veg Footprint 7' x 7'
Flower Footprint 6' x 6'
840 watts
Light Output 2345 umol/s
HID/HPS Equivalent 2000 watt
Recommended Height 18" - 36" above canopy
Dimensions 42" x 42" x 1.77"
Manufacturer's Warranty 5 years
View full details