Button battery exploded

[hunterws]

What would cause a small button battery to pop/vent just sitting there?

 

[lil_buddy]

Alkaline battery - Wikipedia

 

[Rossum]

Alkaline battery - Wikipedia

It's hard to to be sure. It could be any number of different chemistries, even a primary (non-rechargeable) lithium cell.
Button cell - Wikipedia

 

[lil_buddy]

It's hard to to be sure. It could be any number of different chemistries, even a primary (non-rechargeable) lithium cell.
Button cell - Wikipedia

I associate that white crysaline stuff with alkaline batteries which other battery types may or may not make - i dont really know now that you forced me to think about it

 

[Mooch]

What would cause a small button battery to pop/vent just sitting there?

View attachment 744803

Were they recently charged or used?