Several readers emailed me with reports that their third party EN-EL14 batteries no longer work after the last firmware update for the D3100, D3200, D5100, D5200 and P7700 cameras. It also makes it impossible to use Nikon batteries in third party battery grips. Of course Nikon did not mention anything about that in the change log. I am … Continue reading The last D3100, D3200, D5100, D5200 and P7700 firmware update killed third party battery compatibility