Enhance the eos 5d mark iv handling and use two batteries at once for extended shooting with the canon battery grip bg e20 for the eos 5d mk iv shoot steadily and comfortably with extra grip when holding your camera vertically adds an additional set of controls positioned for vertical shooting uses two lp e6lp e6n not included batteries for longer shooting times canon bg e20 battery grip for eos 5d mark iv box contains canon bg e20 battery grip for eos 5d mark iv