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Do all flashlights slowly discharge when not in use? (kbin.social)

submitted 1 year ago by [email protected] to c/[email protected]

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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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[–] [email protected] 0 points 1 year ago (4 children)

Mechanical switch lights like the Convoy S2+ do not have any parasitic drain. But be aware that the batteries themselves have some self-discharge, Li-Ions are the worst at something like 5 percent in the first 24 hours and then loses 1–2 percent per month. Protected Li-Ions are even worse at 4-5% per month.

If you need to keep them stored for long periods, get an AA-compatible or dual-fuel flashlight and use Eneloop batteries for rechargeables, or Lithium primaries if you don't need/want to recharge.

[–] [email protected] 1 points 1 year ago

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

I still remember dealing NiCad's 10-20% per month, li-ion was some space-aged future tech dream back then

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