Détail pour la batterie et le Grip :

The LP-E6N is fully compatible with the LC-E6 battery charger, which will be supplied as a standard item in all EOS 7D Mark II body only and zoom lens kits. Also scheduled to be available are the new optional Battery Grip BG-E16 and optional Wireless File Transmitter WFT-E7A Version 2, with shipping dates and estimated retail pricing to be announced at a later date. Both the EOS 7D Mark II camera and Battery Grip BG-E16 are backwards-compatible to the current LP-E6 lithium ion battery pack.

Donc les batteries actuelles montent dans le 7D MK II. Pas de confirmation par contre que le Grip actuel se monte, AMHA y'a peu de chance.