Nissan LEAF US Battery Factory -- How an Electric Car Battery is Made:
https://www.youtube.com/watch?v=Mun1Mct6JEs
It was a good video but some of it was out of sequence.
Somehow I missed the fact that it was posted at viewtopic.php?p=340488#p340488 almost a year ago.

I also stumbled across these:
Nissan Smyrna Battery Plant: https://www.youtube.com/watch?v=p-W7ab0zHcQ - the first ~1:20 or so isn't worth watching.
Planet Vehicle: Nissan EV Battery Plant: https://www.youtube.com/watch?v=WBboW2Sw3Co - not a lot of detail