Meike’s new MK-A9 Pro Battery Grip for the Sony A9 and A7rIII is now shipping at Amazon US, Amazon CA, Amazon DE, Amazon UK. And a first video review is here too:
https://www.youtube.com/watch?v=udxLTSKgawE
Click further to see the full presentation page: http://www.mkgrip.com/goods/show-237.html