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    LED Voltage vs Brightness

    I've been looking a a few different LED lights and am wondering about brightness vs voltage. An example would be a flashlight with a 200 lumen LED that is rated from 3 volts to9 volts using 2 123A cells at 6 volts total vs a lithium cell at 3.7 volts. How much would the brightness change at...
  2. Z

    E2d Mods

    I ran across an old E2D in my kit this afternoon. The bulb is blown and i'm thinking about getting it up and running again. I'd like to go with LED instead of the incandescent bulb that came with the light. I'm wondering though, what are the differences in using a Surefire replacement and a...

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