For my Coolpix B600, I want to have a spare battery or two for long days on nature trails. Lots of EN-EL12 listings on Amazon, such as this:
https://www.amazon.c.../dp/B00WFFX8L6/
Not sure if I can trust this and not even sure if I can trust an Amazon listing that uses the word "OEM" to indeed be OEM.
What is a reliable source for a genuine EN-EL12 battery? Are my suspicions incorrect and are these random listings reliable sources of batteries for my camera?