Woosh 250w Bafang mid drive

[Yokel]

Can someone remind me how to interpret all the markings in white which adorn the 250w Bafang mid drive. I’m sure they were explained some time ago, it butI’ve lost the references...

 

[Nealh]

Manufacture date and S/N, also controller rating and S/N.

 

[mimiwall]

Manufacture date and S/N, also controller rating and S/N.

yeah, right!