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Maxibright Daylight LED 660w Grow Light


High Powered Maxibright LED Grow Light

In terms of ‘price versus performance’, the Maxibright LED grow light is one of the best LED grow lights we’ve tested so far. It produces an incredibly even footprint, and utilises highly efficient diodes that produce output levels of up to 3.1 μmol per watt!

  • Produces intense, full-spectrum light that your plants will love
  • Dimmable from 100% down to 30% without the need of an additional controller
  • Hits your plants with light from many directions and angles to maximise yields
  • Represents exceptional value for money – amazing bang for buck
  • Supplied dismantled so that it can fit through tight spaces (up loft hatches, etc.)
  • Built with super-efficient Lumiled and Osram LEDs
  • The design gives the best light spread you can get
  • Passive heatsink cooling – no fans
  • Optimised to produce the goods in a 1.2m x 1.2m grow tent
  • Very low profile – great for those with little headroom
  • Total unit efficiency of 2.3 μmols per watt
  • Has a whopping 50,000 hour life-span (equivalent to 11.42 years on a 12/12 cycle)
  • 3 Years Manufacturer’s Warranty
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How the Maxibright LED Grow Light Works

Having a review of the Maxibright LED, they have wisely chosen to adopt a design that matches the latest generation of LEDs, like the Gavita 1700e. Instead of concentrating diodes in a central spot and using lenses to direct the light outwards, Maxibright have opted to spread the diodes over a much wider area, using eight separate strips. This allows it to deliver a footprint that’s much more even than that of a regular HID lighting system.

The Maxibright LED Grow Light has been designed so that it’s easier to transport than similar alternatives. For this reason, you’ll need to assemble it when you receive it, which can be done comfortably in 5-10 minutes. This means that you can get it through tight spaces like loft hatches. It comes in a box that’s easy to transport and store, and won’t require a pallet delivery.

The Maxibright LED grow light emits intense levels of red light that will cause fruits to swell up in size as you progress through the flowering stages. Naturally, the unit is full spectrum, so there’s also a very healthy level of blue in there to keep the stretching down.


Dimensions: 1120mm x 100mm x 1160mm
Weight: 15.5kg
Input current: 2.89
Power: 660w
Supply voltage: 220v-240v
IP rating: IP 20
Lifespan: Greater than 50,000 hours (equivalent to 11.42 years on a 12/12 cycle!)
Light angle: 110°
Working temperature: -20° to +40°


Lumiled White LED: 2.7 μmols per watt – BIN “P” and above
Osram Red LED: 3.1 μmols per watt – BIN “4T” and above
Overall average LED efficiency: 2.8 μmols per watt
Fixture efficiency: 2.3 μmols per watt
Maxibright LED Unit Light Colour Temperature: 3400K
Total PPF Output: 1518 µmols/Sec

Light Footprint at 45cm over a 1.2m area.


How to use the Maxibright LED Grow Light

The first thing to do is slide the eight LED strips into the main body making sure that the cable on each bar is on the side of the sockets on the main body. Spread them out to your preference but for a 1.2m square grow space we would recommend you place the end 2 as close to the end of the main body as possible. Spread the other six bars so that they fill the space in-between evenly. Fit and tighten the hand-wheel bolts on each side of the bars to secure them in place.

Plug the leads on the bars of the Maxibright LED into the appropriate socket for each one on the main body. There is a notch on the inside of the plugs which lines up with a nodule inside the socket. This makes sure it is plugged in the correct way around. to prevent accidentally getting the DC polarity reversed.

Next screw in the four hanging eyelet bolts. They screw in two at each end, either side of the main body. Make sure that they are all the eyelets bolts are aligned vertically otherwise the Maxibright LED will not hang flat. Snap on the hanging wires. The unit can now be hung by the loop in the middle of the hanging wires. You should note that, at 15.5kg, it’s not the lightest unit, so you’ll need to make sure that you secure it properly. The unit is a bit too heavy for hanging with easy rolls. Instead, we recommend rope ratchets or jack chain.

Next, use the power lead to plug the Maxibright LED into the mains and switch it on. Check that all the bars are lit. If any do not light up then double check that the plug for those bars are plugged in the right way around.

The unit can now be dimmed to the desired level by turning the dimmer knob.

The Maxibright LED is designed to be used over a 120cm x 120cm square area. In this situation it offers an incredibly even footprint. We found that 60cm above the canopy is good for veg but for small plants you might want to begin up to a metre above the tops of the plants and reduce the height gradually over the course of a week or two. If you see any signs of stress (leaves hanging down as though they were wilting) then raise the Maxibright LED up again. For flowering, we found that 45cm – 55cm is about right. Experiment a little to find the right height for your strain for best results.


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