How to choose good quality led flood light

Flood lights are useful for many purposes, whether lighting a building, car park, driveway, garden, fountain, patio, tennis court, tree, or yard. They can be used in accent, task, or security lighting. You’ll want to choose the best flood light for the purpose you have in mind; this article will look at various flood light specifications and steer you towards the correct choice.

Many foreign wholesalers or importers condemn their exterior led flood lights are hard to sell for high price, because the market is full with cheap led flood lights. Or some annoy that they get more and more defective exterior led flood lights return from customers.

You might be surprised to find the same wattage exterior led flood lights’ prices vary so much, such as 50W LED flood light, some LED flood light suppliers only sell 6 US dollars, while others sell 25 US dollars. It’s nearly 4 times price difference. Incredible!

With the rapid development of LED industry, the LED market is oversupply and facing Price War. To win more customers, many LED factories and LED accessories factories use cheaper materials in order to reduce costs. The LED market has been filled with low-priced products. As LED wholesaler or LED distributor, how to choose good quality and affordable exterior led flood lights?

This article, we’ll tell you the secrets behind the low price led flood lights, and how to choose the qualified outdoor flood lights.

  1. Check the LED Chips of the Exterior LED flood lights

(1) Check the LED chip size

The LED chip is an important part of the flood light. Different chip brand and chip size has different cost. The common-use chip brands are Bridgelux, Epistar, Nichia, Philips and mainland San’an. There are also other mainland chips, such as HC, Tongfang, Dehao ect. Since customers cannot recognize the chip brand by eyes, many companies usually write their chip is Bridgelux or Epistar, even their flood lights only cost 6USD.

So the only way the customers can judge is the size of the led chip. The common sizes are 24x24mil, 30x30mil, 33x33mil, 38*38mil, 40*40mil and 45*45mil. The bigger the size, the better the quality.

how to choose good led flood lights (1)
good & bad led flood lights chips compare

The cost of the 38*38mil chip is about 3.5USD. Then you can realize the 6USD flood lights must use very small chip size. And even worse, these LED chips are usually made up of LED scrap.

(2) Check the LED Chip Bracket

The cheap and low quality LED chip’s bracket usually consist of aluminum or Aluminum alloy or other materials. The weight is very light. And the thermal conductivity is not good. The quality LED chips bracket is made up of purple copper. See the comparison below.

LED Chip Bracket
different LED Chip Bracket

heat conduction comparison of different materials

(3) Check the LED Chip Gold Line

The good LED chip has double pure gold lines. The cheap chip uses single gold line, or cooper gold line or cooper line or cooper aluminum line.

(4) Check the LED Chip Glue

If you have bought the led flood lights samples from supplier, then open it and check the LED chip glue. The chip glue will crack after working for some time if it is not good enough.

cheap BUT bad quality LED flood light glue
cheap BUT bad quality LED flood light glue
  1. Check the Housing of the Exterior LED flood lights

Measuring the led flood lights weight, thickness and the heat sink amount is one of the good ways to evaluate the quality. Besides, the quality flood lights use die casting aluminum body or 1070 aluminum body. While low quality flood lights use icon body. Its heat conductivity and radiation is bad.

50W LED Flood light housing comparision
50W LED Flood light housing comparision
  1. Check the Rubber of the Exterior LED Flood Lights

The led flood lights are usually installed outside. Its IP rate must reach IP65 to ensure the safety. Then the rubbers are the key part. Check the rubber whether intact or not.

  1. Check the Inside Driver of the Exterior led flood lights

(1) check the driver solution. If the solution is long-term-use solution, generally it demonstrates the solution is stable.

(2) check the MOS brand and the wattage.

(3) check whether the earth wire fixed inside the flood light body or not.


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