What type of cells are these?

[Don B. Cilly]

So, apparently the cells in my Pylontech LFP batteries look like this:



What are they? Pouch cells?
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[Don B. Cilly]

I say "apparently" because it's a screen grab from this video, in which some guy tries to replicate the Great Fire of London in South Northamptonshire* or thereabouts. I guess no one read my name aloud to him ;·)

* It's a real place. Or rather it was, because now it's West Northamptonshire. The main city is called Towcester - pronounced "toaster".
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[joanna_lannie]

It does look like pouch cells, but I can't be sure, maybe it's a stacked shape inside (which means it's a prismatic battery).