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macadood
3
Jan 31, 2018
Battery life from 5.5-27 hours??
What is most realistic
bdckr
20
Jan 31, 2018
macadoodAs per the specs, it has different brightness settings. So low (~25% brightness) probably lasts 27 hours, high is probably 5.5 hours.
A community member
Jan 31, 2018
macadoodThe battery life / runtime will depend on whether the Glo-Toob is on High, Low or Strobe. Fyi, if their runtime rating adheres to ANSI FL-1 flashlight testing standards, then runtime [Hours] is defined as the amount of time, rounded to the nearest quarter hour, until output drops below 10%. I would also assume they performed their tests for each mode using a brand new alkaline battery each time to arrive at those values. So, I would guess, Low = 27 hrs, High = 5.5hrs and maybe Strobe = somewhere in between since High & Strobe has the same lumen rating but Strobe *may* draw less since it's not on constant.
In real-world situations, runtime would obviously vary depending on whether the battery is alkaline / lithium / NiMH / NiCd (assuming voltage range allows for different battery types) and whether the battery is new / old / partially depleted, ambient temperature, etc. Personally, I would say YMMV, take those numbers as a general guideline and carry spares with me.
I hope this sort of helps. Sorry for the long-winded response, I was a Flashoholic in a former life. :)
warchyld67
Feb 1, 2018
macadooddepends on what you use it for and on what setting...i use my red ones for diving on low. ..still havnt had to change the battery ..been about 2 years so far.