EN-EL18d Battery or Charger for Nikon D4, D4s, D5, D6, Z9 / MB-D17, MB-D18
Compatible with Nikon D4, D4s, D5, D6 / MB-D17, MB-D18 / Z9. Inbuilt into each Dot.Foto battery is a safety system which gives short circuit protection and prevents the battery from overheating. Dot.Foto VG-C4EM Battery Grip + Remote for Sony.