A reader sent me some additional information on the different Nikon EN-EL15 battery versions based on feedback from Nikon support: Q: Can you confirm if the battery life in the D850 is the same for both EN-EL15 black batteries and the EN-EL15a grey batteries? I have seen conflicting accounts in the press. A: Battery life is … Continue reading The different Nikon EN-EL15 battery versions