this post was submitted on 18 Jun 2023
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Do all flashlights slowly discharge when not in use? (kbin.social)
submitted 2 years ago by [email protected] to c/flashlight
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I was thinking about buying a wurkkos fc11 as my first flashlight but it said they recommend untwisting it in a review to avoid making a connection so it doesn’t discharge while not in use. Do I need to worry about that with all flashlights? I was planning on keeping it in my backpack so I have it whenever.

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[–] jerv 1 points 2 years ago

Li-Ions are the worst at something like 5 percent in the first 24 hours and then loses 1–2 percent per month.

Non-LSD NiMHs are far worse at ~30%/month. Thirty. Three-zero.

Despite all the adulation that borders on fanaticism, the tests I've seen on Eneloops fall short of claims. Short enough that I am of the opinion that anyone who dislikes Li-ion for self-discharge should not even think of considering Eneloops unless they are willing to admit that it's not about self-discharge and they simply dislike Li-ion. Yeah, sure, it's about double, but if something is stored long enough for that to really be a big deal then lithium primary is the only viable option.