A battery cover assembly for a portable electronic device is disclosed including a base member, a first cover member mating with the base member, a second cover member positioned between the base member and the first cover member, a third cover member engaging with the first cover member, a camera assembly secured to the base member, and a locking assembly engaging with the third cover member. The first cover member can horizontally rotate along the second cover member. The first cover member is rotatably attached to, and cannot be detached from the base member.