I thought I would add this here for anyone else looking to do this mod. Using the A6 or X6 board, there is a problem running it in higher current output situations, triples especially. With NarsilM the ramping mode gets stuck sometimes and can’t be shut off or changed. You have to disconnect the battery to get the light to cut off. If it gets stuck at the ceiling you only have a few seconds before it gets extremely hot, especially if you have already been playing around with it. Not fun trying to unscrew this light when it feels like its a nuclear reactor in thermal runaway. :disappointed:
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The problem is hardware and nothing to do with NarsilM. The fix was posted here.
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@Dutchee, I liked this mod so much, I purchased another 4th to mod. They both are running fine and are great at all around use. About the same size as most of my AA/14500 lights with way more light available and 3x the run time given the same light output. 