Air 3s with RC2 controller. See attached screen shot. AirSense showed the blue circle with blue airplane icon in center. To the right, following along with the moving circle is a box with two distances shown, on the top, 10814 ft., on the bottom...
With the difficulty in Care Refresh at DJI, I recently decided to replace a front landing leg on my Air 3S. Note that this is just the leg not the entire arm. My search here and online did not reveal the tricks in doing this.
One of the photos...
Yes, it's fine to do that for battery maintenance when they aren't currently being used.
Some people like to keep their batteries ready to fly at any time, so they get into the habit of fully charging the same ones every couple of days without...