The Swedish Fire Protection Association shares these two videos from the website "UtkikenRescue" about battery fires and how to extinguish them.
The target group is primarily professional firefighters, but the videos in English should also be of interest to a wider audience.
"Battery fires" https://www.youtube.com/watch?v=m5Yf6E6_vEY
"Putting out fires in lithium-ion batteries with plain water" https://www.youtube.com/watch?v=4xjDdmv8urk
Source : Uikiken.net