Here's how to make a phenomenally bright 1000w eqiv. LED flashlight! Here's the LED we'll be using: http://ebay.to/2COMXJw It's designed to be operated with just one hand, with easy control of brightness, and can be powered by either batteries or an AC adapter. Can be built for around £25 if you get the CPU cooler for cheap. Major parts list (worldwide shipping): Heatsink, fan, lens, and mount: http://ebay.to/2kSI4Yx Other parts: Lens and Reflector: http://ebay.to/2BcTehM Voltage Booster (there are two layout varieties floating around. If yours has a different layout than the one I used in the video, then use your own judgement when it comes to wiring up the input/output wires, which should be clearly marked on whichever layout you receive.): eBay: http://ebay.to/2BVAIya High-Capacity Battery (lasts for AGES): http://ebay.to/2CPRY4I Heatsink Plaster: eBay: http://ebay.to/2kSCKog Heatpaste: http://ebay.to/2z9Fm68 Mini Step Down Regulator (for the fan): eBay: http://ebay.to/2kxVnhQ XT60 Connectors: If you attempt this project you do so at your own risk. I assume no responsibility for any injuries or damages caused to people or property during its construction or use. I have taken care in making sure the information in this video is accurate. However,I am unable to provide any warranty concerning the accuracy or completeness of any information contained in the video.