One of the authorized Nikon dealers let me know that a few new spare batteries for the Z9 arrived from Nikon last week. These are model EN-EL18d batteries.
I ordered 2 of them and received them yesterday. I was very surprised to find that the date code printed on the battery's label shows one to be 1.5 years old and the other one is 2.5 years old.
I first checked them by putting them in my Z9 and used the menu choice Battery Info to check the battery status and charge. The one that is 1.5 years old only had 12% charge in it. The other one which is 2.5 years old did not power the camera at all. I then tried to charge them in my MH-33 charger. The one that is 2.5 years old is shorted and the charger blinked error and cannot charge it. The one that is 1.5 years old began to charge but took 8 hours. I checked it today in the camera and it is reading 99% so it seems to be fine even though it is old.
I strongly recommend that when you buy this model battery you look at the label for the date code and then check the charge in your camera so you will know whether it is working or not. I am very disappointed that Nikon is not testing the batteries before sending them to distribution and they are sending old batteries made years ago and some are dead.
I ordered 2 of them and received them yesterday. I was very surprised to find that the date code printed on the battery's label shows one to be 1.5 years old and the other one is 2.5 years old.
I first checked them by putting them in my Z9 and used the menu choice Battery Info to check the battery status and charge. The one that is 1.5 years old only had 12% charge in it. The other one which is 2.5 years old did not power the camera at all. I then tried to charge them in my MH-33 charger. The one that is 2.5 years old is shorted and the charger blinked error and cannot charge it. The one that is 1.5 years old began to charge but took 8 hours. I checked it today in the camera and it is reading 99% so it seems to be fine even though it is old.
I strongly recommend that when you buy this model battery you look at the label for the date code and then check the charge in your camera so you will know whether it is working or not. I am very disappointed that Nikon is not testing the batteries before sending them to distribution and they are sending old batteries made years ago and some are dead.