iPod Classic 7th Gen battery specs needed please.

[luvemcats]

What are the original battery specs for iPod Classic 16GB 7th generation (audio version only - not touch screen)? Thank you.

 

[Alabalcho]

Every site selling batteries will list it. Like this one here

 

[luvemcats]

Every site selling batteries will list it. Like this one here

I've seen those, but the mAh value fluctuates all over from one site to another. I'm trying to figure out what the original mAh is supposed to be.
Thanks.