how to know if dell battery is original or not?

Hi, 

I purchased a dell battery online on Amazon for my Dell Inspiron 7560 laptop but that seems to be non original as it's Serial Number (20 characters long) is not beginning with 2 letters that is CH, JP, KR.

It is starting from CN-0.

20 characters Serial number is CN0FW8KRBDS0011450XHA06

It's battery report is-

And battery picture-

How to confirm if it is original or not?

Thanks,

Best regards

Mayank