It extends (with one battery) or doubles (with two batteries) your shooting time (batteries not included). The grip allows the camera to use up one battery at a time and spares can be replaced without turning off the camera (handy for videographers). The grip can also improve shooting ergonomics, as the shooting dials are repeated on the grip for a more natural position when shooting vertically (handy for portrait photographers). This grip is ideal for shooters of the Mark II line of Sony a7 series cameras who are going to be out in the field and away from power sources for extended periods.

Spare NP-FW50 batteries are not included. This grip supports up to 2 spares.