Samsung Galaxy Note 2 new battery needs to be sourced, how can I tell if I have a proper battery?

[AC Question]

Samsung Galaxy note 2 new battery needs to be sourced

need to buy a new batery for my samsung galaxy note 2 but not a cheap copy how much should i be looking at paying and how can i tell it a proper battery and not a cheap copy

 

[Rukbat]

You can get a Samsung battery for under $6. I prefer Anker, and they have one for $11.