[Drako]

Lithium ion batteries are much safer than traditional batteries. As long as they're kept away from anything that could catch them on fire, they'll be fine. And they won't leak either, so you won't have to worry about anything harmful coming in contact with your skin.

The most common sign of damage would probably be expansion. I've seen some lithium ion batteries expand like balloons before.

Thats lithium ion but lithium polymer is different in that it uses a polymer.  Bekue e lithium ion uses a liquid.

I would be interested to know all the danger signs and how to identify such as smell, how leaks look like (liquid, powder, etc.).  I mean they can start fires, I know that, but what other things do they exhibit?

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Posted this in Hardware section but notice not many people post there so I'll try here.

Given you're not Intending to SE, I've moved this from the Social Engineering forum to Hardware & Customization.

I put it there since many people SE and would know the signs.  I read some of your blog but it appears to be talking about lithium ion, not lithium polymer.  Would you happen to know any signs?

I feel really stupid now, because I read that as "Li-on." I was way too tired to be posting last night.

You should probably read these safety guidelines. They're going to be much more useful than what I can tell you.

As for what to look for in a damaged li-po battery, there isn't much. Just watch out for balloon-like expansion. And upon inspection, look for any burn marks. That's a good indicator that any battery should be thrown away.