Higher quality flashlights have electronically regulated brightness, to prevent dimming over the course of the battery runtime. For example the Fenix LD 22 has that feature.
How can I know with these electronically regulated flashlights, how much battery runtime is left, without using a separate volt meter?
And do I get some form of warning, before the light suddenly goes out, leaving me in pitch dark? This is important IMO, since I may use the flashlight in an emergency situation, without having a backup flashlight in my EDC.
How can I know with these electronically regulated flashlights, how much battery runtime is left, without using a separate volt meter?
And do I get some form of warning, before the light suddenly goes out, leaving me in pitch dark? This is important IMO, since I may use the flashlight in an emergency situation, without having a backup flashlight in my EDC.