I have had my Mavic Pro for several years. I was to go flying yesterday so thought I would top up the batteries the night before as it was a few weeks since I last flew and charged them. When I took them of the charger I found 2 of the 3 had swollen on the underside so I presume they are unusable and will need to be replaced
![Frown :( :(](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Not a cheap exercise
Not a cheap exercise