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Reusing vape batteries in flash lights? Is this a crazy idea. (lemmy.world)
submitted 2 years ago by to c/flashlight@lemmy.world
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So people throw out disposable vapes all the time. I cracked one open to take a look and it turns out they have a 18500 battery in it. So I was thinking of 3D printing a spacer to make it the same size as a 18650 and putting some shrink wrap on them. I just wanted to see what people who know more than me think. Is this a bad idea that is going to burn my house down? a waste of time perhaps?

I did a trial run in my wurkkos fc11 and they seem to work, it charges and looks just as bright.

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[–] 0 points 2 years ago

Agree with everying but the recycling.

With a proper charger (as you said, in a fire safe place), they can be used.

But... Also as you implied, don't trust them to be safe on their own (like any unprotected battery).

I have some unprotected, they only get charged with an appropriate charger, and used in devices that are safe with unprotected cells.

Now, if someone doesn't want to be bothered with managing unprotected cells, then yea, recycle them.

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