If "nothing works" means your batteries won't power up or light on, for the Air 3S they are likely still under warranty. In my experience DJI is pretty good with replacing batteries still under warranty so I would just go that route in case you...
Im a fairly new pilot. Ordered the Air 3S day of launch. Flew 8 times but being in the northeast its gotten cold. Last Flight was Dec 24th.
Until today March 8. So about 3 months. I thought i charged them all just before flight. And both...