A:AnswerKind of. I believe they are fully charged when they leave the factory, but they loose charge sitting on the shelf, so it depends on how long they are sitting. I recommend you fully charge them before using
A:AnswerDon't get this for a D500, skip it and go only Nikon genuine EN-EL15 for that. Most of the third party batteries will lock up the camera if they work at all, and all of them have substantially shorter life than OEM.