Nikon Registered a New Battery “EN-EL15c”, for Upcoming Nikon Z8 & Z9 ?

According to Nokishita Camera, Nikon has just registered a new battery named “EN-EL15c”. Since Nikon Z6 & Z7 & D850 uses EN-EN15b battery, so this new battery EN-EL15c is for the upcoming Nikon Z8 and Nikon Z9 full frame mirrorless cameras ? Stay tuned for more info.