(This chart shows an explanation of the numbers 1A, 2B, 3C etc) (Less = “cooler” more bluish light, More = “warmer” more yellowish light) (Determined by the thickness & composition of the yellow phosphors layer covering the LED die) (Tests by BLF member Texas_Ace using different emitters, heatsinks & power levels) (Tests by BLF member koef3 using different emitters, heatsinks & power levels) (Tests by BLF member Djozz using different emitters, heatsinks & power levels)įor full details & discussion on the tests, follow the appropriate link below (Technical data relating to physical dimensions and operational characteristics of LEDs) LED Chip Dimensions, Forward Voltages & Junction Temperatures ( LEDs are “binned” according to their efficiency, brightness & performance at different currents) LED Brightness Bins Measured in Lumens at Different Currents ![]() (How the LEDs compare in size to each other) (Some common LED emitters used in flashlights) ![]() This post is very image heavy and may take some time to fully load…. Summarised here is information taken from different resources about LEDs, drivers, batteries, chargers & various other flashlight related stuff condensed as a useful guide with external links to more information.
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