The EN-EL14 is a rechargeable Li-ion battery that powers select Nikon cameras, providing 7.4v and 1030 mAh of power. The battery uses the MH-24 charger. Used together with a Nikon camera, the camera's fuel gauge accurately displays the remaining charge and number of shots since the last charging. The EN-EL4a even gives notice when calibration is necessary. This battery is compatible with select Nikon cameras including the following: Nikon Df, the Nikon D5000 series (Nikon D5600, D5500, D5300, D5200), the Nikon 3000 series (D3100, D3200) and the COOLPIX P7000 series (P7000, P7100, P7700, P7800). Great Condition