The most recent firmware updates for the Nikon D3100, D3200, D5100, D5200 and P7700 appear to have caused some third-party batteries to stop working in these cameras. All of the cameras use the Nikon EN-EL14 and EN-EL14a batteries; however, there are many third-party batteries that match the EN-EL14’s design that are available for these cameras (often at reduced prices) as well. [Read more…]