Aputure Battery Grip 550DL - Manual (Page 15)

Attaching to Camera
2.Pull out the camera’s battery compartment cover at a slanted angle
to detach.
Perform the operation over a table so as not to drop the camera.
3-1.Insert the detached cover into its storage slot to ensure that it will
not be lost
3-2 Remove the protective cover,and then insert the electrical contacts
into the camera battery compartment.
1
2
3
1.Remove the battery from the camera.