Sony ILCE-7CM2 Help Manual page 45

You can replace the battery of the camera without removing the Grip Extension from the camera.
1.
Slide the LOCK/OPEN switch toward OPEN.
The battery replacement cover will open.
2.
Insert the battery into the camera.
3.
Return the battery replacement cover to its original position and slide the LOCK/OPEN switch toward LOCK.
Be careful not to get your fingers caught when attaching the Grip Extension or when returning the battery replacement
cover on the Grip Extension to its original position.
Note
Attach the Grip Extension after confirming that the battery cover of the camera is closed. Make sure that the LOCK/OPEN switch
of the Grip Extension is set to the LOCK position after attaching it.
When you attach the camera to a tripod, etc., the screw of the Grip Extension may be tightened too strongly by being tightened
together with the screw section of the tripod. Do not tighten the screw further once the Grip Extension is locked in place.
It may not be possible to replace the battery of the camera while a tripod is attached to the Grip Extension. In such a case,
remove the tripod from the Grip Extension before replacing the battery of the camera.
Do not hold the camera by the battery replacement cover of the Grip Extension. Doing so may cause the camera to fall.
Related Topic
Front side
Rear side
Top side
Sides
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