This is not an old battery. It’s almost new. They only test for nickel. That’s why the price is very good
I can’t understand one word of Vietnamese but I recognize a good haul of cells when I see one. 
Are you getting e-bike battery packs? What do you mean when you said here that they only test for nickel?
I watched your video on rebuilding a Makita battery pack…good job there!
This is a new battery you can buy at the old battery price. They only check the quality of the weld, and the nickel
Oh…didn’t see that link. Thanks. Even better when someone else has done the cleanup and snipping for you!