Totally agree with G Fields. I have to continuously remind myself to do a battery chafge every month for Mavic 3 and Mavic Mini 4 Pro. Two drones are plenty for me as a hobbyist.
Dale
My Mavic Pro sat on a shelf for years in the basement ,I live in Pa ,freezing temps and all,, and all 4 batteries came back to life ,I gave the drone to a friend ,he uses it weekly .All batteries still keeps going though one has swollen a bit