comes with two of the new NP-FZ100 batteries with space for another two
works as a charging station for up to four Z type batteries, but also has a dummy battery that allows it to be used as an external power pack
compatible with the a9 as well as the a7, a7R, a7S, a7 II, a7R II, a7S II, a6000, a6300, a6500, a5000, a5100 and RX10 III, providing up to 8x their current battery capacity
includes tripod-style mounting sockets for attachment to a video rig
the dummy battery is the same shape as the a9's new 'Z type' battery but has an outer shell that can be removed, revealing a 'W type' adapter, which can slot into cameras that use the NP-FW50 battery
