After the colored camera cages, SmallRig is now selling orange batteries for Nikon cameras (see the full list here):
EN-EL15c USB-C rechargeable battery (available in blue & orange) – compatible with Z5, Z6, Z7, Z6II, Z7II, Z8, D7200, D7500, D500, D610, D750, D780, D810, D810A, D850:
EN-EL25 USB-C rechargeable battery (available in blue & orange) – compatible with Z50, Zfc, Z30:
Update – the colored SmallRig batteries for Nikon cameras are on sale until October 21 (15% off):
Also available: VB99 mini V-mount battery (black, green, orange):
The orange batteries will be available for sale only for the month of October.
New SmallRig USB-C fast charging batteries for Nikon cameras