I had some stickers made for the batteries on my Mavic Air. They're printed on waterproof, highly adhesive vinyl, just the right size to affix to the exposed face of the battery. "Last ditch insurance," I thought, in the unfortunate event.

You get the idea. "You can't use this, but you can get a reward." If all else fails (and it's not at the bottom of a lake), maybe this will bring it home.

You get the idea. "You can't use this, but you can get a reward." If all else fails (and it's not at the bottom of a lake), maybe this will bring it home.