Storing Mavic Pro Batteries Properly for Months. . . - DJI Mavic, Air . . . How about new battery? I purcase new battery, and take long time to use them, because i still have old battery, i buy much dji mavic 1 battery, because i worried for discontinuing the dji mavic pro 1 battery, it okay to store my new battery for longggg time until my old battery goes bad, for example 2 years after i buy my spare dji mavic pro battery?