Lets go with the usual reminder: de-soldering / soldering Li-ion cells can be su...

meindnoch · 2025-12-15T12:40:08 1765802408

Hobbyists should buy cells with pre-welded tabs. You solder onto the tabs, not the cell terminals.

cogman10 · 2025-12-15T12:04:03 1765800243

It doesn't quite explode. Instead it shoots out a super hot flame that is nearly impossible to put out.

Imagine having a blowtouch that you can't extinguish or touch which is likely rolling around.

ssl-3 · 2025-12-15T13:25:53 1765805153

That sounds exactly like one of the kinds of deflagration (aka low-speed explosion) that seems worthwhile to discourage people from invoking.

"Hey, the worst case is that you get jets of super-hot flames that are impossible to extinguish!"

stavros · 2025-12-17T10:45:32 1765968332

Don't solder lithium cells, even if it goes well you'll ruin them. You need a spot welder.