Don't buy into the fearmongering. Lipos do not explode unless they are physically punctured, though they can catch fire. It's mostly a non-event, I've had a few fires in my RC stuff. And they are not flaming infernos, they are a little hiss and spitting like a firework (when we talk about the small batteries in tools). Nicads and NiMH were the ones that could explode spontaneously. I have yet to see a tool battery that doesn't have its protection circuit built into the battery. They could exist, but that would be dumb, and just not normal at all. Out of the 100+ Lipos in my house right now, the only ones with no protection on the battery are the ones for hobby RC stuff, because they are not consumer items, and users need to know how to care for them. Consumer Lipos have protection from consumer abuse.
I whacked a small Lipo with a hammer and chisel, which did explode, since it's releasing all the energy almost at once (wearing my welding gear and more). I've shorted and otherwise abused Lipos to see what happens, and it's no big deal.
Here's a Lipo fire in my kid's plane, and that was a pretty powerful battery that was heavily abused by crashes with him trying to learn to fly...
I whacked a small Lipo with a hammer and chisel, which did explode, since it's releasing all the energy almost at once (wearing my welding gear and more). I've shorted and otherwise abused Lipos to see what happens, and it's no big deal.
Here's a Lipo fire in my kid's plane, and that was a pretty powerful battery that was heavily abused by crashes with him trying to learn to fly...
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