this post was submitted on 15 Nov 2023
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[–] skyspydude1@lemmy.world 53 points 2 years ago (1 children)

Batteries are rated for a certain continuous current draw, and if you try drawing too much, you're going to have a bad time. Some of these flashlights can draw a ridiculous amount of power, and if you're putting a cheap knockoff 18650 in it with no internal protections, it's not going to be a fun time.

It's the same issue people had with vapes exploding. The original included batteries might only be rated for a continuous draw of say, 10A, and they're adding these crazy high wattage coils trying to get 30A from them.

[–] AI_toothbrush@lemmy.zip 16 points 2 years ago

Yeah but charging is even more dangerous. These lights dont have built in chargers so you need to charge the batteries yourself.