2021 Best Budget 480W Quantum Board LED Under $400

What is a Quantum Board Led Grow Light?

Quantum board grow lights are the next step above chip on a board (COB) LED grow lights. The LEDs are connected to a carefully wired board. The quantum board may be sold as just a circuit board. In these cases, you combine it with a pin heat sink or conventional extruded aluminum heat sink.

The LED bulbs themselves share the same advantages as other LED lights such as a long life expectancy and energy efficiency. Quantum board LEDs are as controllable as other LEDs. For example, a 300 watt system can typically be dimmed down to 120 watts in the early stages of growth. A quantum grow light that matches a 150 watt CFL in light output uses around 80 watts while covering a roughly two foot by two foot growing area.

480W quantum grow lights that cover a 5 foot by 5 foot area for vegetation growth may only provide enough light for a 4.5 by 4.5 blooming crop. But it will consume only 350 to 500 watts of power while matching the light output of a rough 1000 watt bulb.

The best quantum board led grow lights are properly sized for the growing area. Know that this may mean setting up several grow lights to get full coverage.

Best Budget 480W Quantum Board LED

ECO Farm 480W LM301B/LM301H Quantum Board

• High efficiency white light quantum boards
• Full-spectrum White and 660nm Red and 730nm Far Red and UV 395nm
• Meanwell Driver & Reliable passive-cooled design
• Better canopy light penetration with diffused light
• Dimmable power supply included
• Higher intensity and more even coverage in a grow tent, reflective area, or by crossing over using multiple lamps.

Specs

Power : 480W
- LEDs : 908PCS LM301B 3500K + 148PCS 660NM + 4PCS UV + 4PCS IR 
- Heatsink size : 2PCS 632.5mm*195mm*10mm
- Driver : 2pcs Meanwell XLG-240-H-AB Work in 85–265V
- Flowering Footprint : 4 x 4ft
- Veg Footprint :5 x 5ft
- DB: 0dB
- Max Yield：2.5g/watt
- Humidity ≤90%
- Lifespan: ≥50000 hours
- Frequency: 50–60HZ
- Work Temperature：-4°F ~115°F (-20°C ~ 46°C)
- Recommended Mounting Height : 20–32inches

Maxisun Brand 2020 Model PB 4000 LED Grow Light

This grow light by Maxisun is designed to cover a four foot by four foot growing area, if you’re nurturing flowering plants. It can replace sunlight for leafy plants in a five foot by five foot tray.

This is a full-spectrum grow light. It puts out similar amounts of red and blue light. It lacks a purple hue because it puts out white, yellow and green light, as well. This gives owners better visibility when working under the grow light. However, you can’t make it put out more red light to maximize vegetation growth.

This model has a driver that automatically dims the grow light when things are getting too hot. However, this can cause problems if the grow tent isn’t getting enough ventilation. While the quantum board grow light puts out half as much heat as a comparable HID light, it can get hot, especially in an enclosed space.

For example, it could warm up a grow tent by ten degrees F in just a few hours. If you don’t have enough ventilation, the plants won’t get enough light.

This unit doesn’t have a fan, because it relies on passive cooling. That makes it one of the quieter grow lights on the market. Another point in favor of it is that it is essentially water proof. While it should be put in a tray of water, it won’t rust or short out if it gets a little wet. Note that it is not suitable for outdoor use.

The unit comes with a basic hanging kit and short power plug. It is not designed to be daisy-chained to other grow lights.

Pros:

• Low heat output
• Automatically dims to cool things off
• Energy efficient
• Full spectrum grow light
• Water proof

Cons:

• Must have decent ventilation

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