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LUSTREON AC110V / 220V 20W 30W 50W Branco / Branco quente COB de chip LED 40X60mm para luz de inundação DIY US$11.54 US$11.99 View It

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Geoff 06/10/2017

What a bargain these super bright LED's are. I purchased a 20W warm white version, which is brighter than the sun! I can only imagine how bright the others are. To connect these to a mains supply, you'll need a very hot soldering iron. Mine is rated at 60W and only just gets hot enough to do the job. After attaching some wires, you'll need to mount the LED on a very substantial heat sink - they also get as hot as the sun! I also suggest applying some thermal heatsink grease between the two. Here's a link to a suitable product on the Banggood website: https://www.banggood.com/GD900-Gray-Compound-Heatsink-Thermal-Paste-Grease-Tube-1g-p-1137036.html

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