Unlike previous Arlo cameras, the Arlo Ultra and Arlo Pro 3 cameras are made of two parts. The camera and battery are together in one part, and the camera housing acts as a protective shell in a second part. Replacing the batteries on your Arlo Ultra or Pro 3 requires you to remove the camera from the camera housing. This modular design allows you to swap batteries with greater ease.
To change the battery in Arlo Ultra or Pro 3:
For more information about Arlo Ultra and Pro 3 cameras, visit What is new in the Arlo Ultra camera? and What kind of features do I get with the Arlo Pro 3 camera?.