Hydraulic Press and Lithium Batteries Video

[KITROBASKIN]

This showed up on diysolarforum recently; scary/funny as all get out with the play-by-play banter from Finland.

Multiple 18650's (looks like) after 4 minutes 35 seconds.

 

[knucklegary]

The last batt pack was built bullet ram tough.. Still wouldn't want to be nearby in a fire.