Nikon recently registered a new N1912 camera with the Taiwan NCC agency. Nokishita now reports that the N1912 model will use a new Nikon EN-EL25 battery (7.6V, 1120mAh) that was recently registered in Russia and a new Nikon MH-32 charger. The wireless components in the N1912 camera will be the same as in the Z6 and Z7:
The N1912 could be the rumored Nikon APS-C mirrorless camera, but there is no evidence of that.
Rumors about upcoming Nikon cameras can be found here.