Battery won’t turn on

[Levoqd]

My Mavic pro 2 has not been used in a while. When I take the battery out of the aircraft to charge nothing happens. I get no lights or anything when I put it in the charger. Seems like it’s in a deep sleep mode. How do I wake it back up So they can charge?

 

[Torcan]

My Mavic pro 2 has not been used in a while. When I take the battery out of the aircraft to charge nothing happens. I get no lights or anything when I put it in the charger. Seems like it’s in a deep sleep mode. How do I wake it back up So they can charge?

see this thread already running
Battery Drain while not using