DIY: 100W LED Flashlight Mounted In PVC Pipe

In this video Ill be making super bright 100W LED flashlight in PVC pipe housing.\r
Main parts bought from ebay. You can easelly found them by typing this text on ebay search box:\r
- 100W LED COB chip;\r
- 100W LED Reflector, lens, lens bracket kit;\r
- DC to DC boost converter 250W;\r
- DC to DC step down (buck) converter;\r
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22.2V battery was made by my self, DIY video here: \r
Some parts bought at local electronics or hardware store.\r
Rest all stuff had lying around.\r
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UPDATE:\r
At 2016-09-25 I upgraded LED COB chip by using Yuji LED High CRI 100W chip. Heres a video: \r
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