this post was submitted on 06 Sep 2023
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Everyday Carry. What essentials do you carry on a daily basis?
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What do you carry on a daily basis?
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Ah great post - many thanks for the information! Gives me a lot to consider.
So what about flashlights with non-removable batteries? The small Olight ones for example appear to use a magnetic charging attachment. Would you still recommend a AA NiMH flashlight, for the fact that they potentially have a longer lifespan?
Which small ones? All of the Olights are larger than the Zebralight SC53 except for the AAA Olight. Bigger flashlights will have more lumens and more energy. The question is what's the right size for EDC?
Zebralight SC53 is on the smaller side: 77mm long, 21mm diameter (round). But all 1x AA flashlights will be about this size, its just the nature around designing a flashlight around a 50mm long AA battery. AAA is even smaller but you lose out on Lumens significantly: the AAA Olight is 180 Lumens, about half the light that the AA design gets you. But it is even smaller and easier to keep in the pocket, so that's the tradeoff.
A lot of people like the 1000-lumen sized flashlights, they're a touch bigger and they use Li-ion batteries instead. But again, its about the size difference. What size do you want to carry with you?
For me, I think AA makes the most sense. They have cheap chargers made by a large number of competing manufacturers. If I "lose" my AA charger, I know I can get a replacement for $10 to $20. What happens if you lose that magnetic charger? Can you ever recharge that flashlight?
Fair point regarding the models with proprietary chargers.
I think the Zebralight model you mentioned is the smallest I'd want to go. Do you reckon it's a buy-it-for-life kinda product?
I'm looking it up and it seems like Zebralight is USA-only, so maybe the whole thing is moot. IMO, technology is always improving, 10 years from now we'll have better... something. Its unpredictable, but something will be better. Maybe more-efficient MOSFETs (on/off switches relating to the power-delivery, especially in the voltage-converter circuits and/or current regulator circuits), or more-efficient LEDs, or more-efficient batteries. Who knows? Something will be obsolete in 10 years however, and you might care for an upgrade by that point.
But I'm not so loyal to brands. What I believe in is that the "AA-size" is a good, practical, flashlight for everyday carry. Then again, I know that some people prefer the 18650 (aka: Lithium-cell) that's roughly one-size larger instead.
Here's what I do think:
Batteries wear out over time -- Replaceable Batteries are key to longevity. My own collection of AAs are thrown away regularly, as they do break down, and I do buy new ones over time. Lithium-Ion in my phones only last 2 to 3 years in my experience. I absolutely require a replaceable battery for any long-term use.
LEDs have long lifespans -- 10+ years for the LED is likely. The flashlight likely won't last for "life" as the LED is the critical component, but if we ignore the battery (which probably only has a few years of life at the best), the "next" component to likely fail is easily 10+ years of life. Other parts inside of the battery (Inductors / MLCC Capacitor for the boost circuit, and other chips) are 20+ year components.
Technology always improves -- Every part I listed here has improved in the past decade. Meaning I expect 10+ years from now, that the new tech will improve again somehow.
Its the device class you should be thinking of. -- Decide upon AAA-size, AA-size, or 18650-size flashlights. There's a few custom-battery sizes outside of that, but 18650 is the "standard lithium" cell that likely is replaceable. AA-size might use Lithium-ion 14500 cells, which is also fine and standardized (albeit less popular, but its still a "standard" size with replacements available). The particular brand isn't too important: as long as its using modern parts, you'll get roughly the same performance as all competitors. (Be it a Zebralight or a M150 or whatever you end up buying).
So yeah, that's your main decision: AAA-sized (180 Lumens), AA-sized for ~280 to 300 lumens (or 14500-sized, the equivalent Li-ion standard-size), or 18650-sized (Li-ion only, 1000+ lumen).
Bigger is more lumens and hours of use per charge.
Smaller is easier to carry.
Brand probably doesn't matter as long as you choose a premium LED / premium brand of some kind.
Thanks again for the comprehensive info. It's a shame that Zebralight are US only!
I'll do a bit of research based on what you've said :)