LED question, XP-G2 vs XML-U3

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check here for info on emitters

LEDs & Other Stuff - (Reference Guide)

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. This post is very image heavy and may take some time to fully load…. [image] . Flashlight Basics(link is external) Flashlight Terminology(link is external) . LED Names Guide (Some common LED emitters used in flashlights) [image] . LED Size Comparison Guide (How the LE…