Newbie; can I charge a mavic battery with another mavic battery??

[Pointbob]

I have 2 mavic batteries. Let's say both at 33%. Any way to connect them to each other and drain one battery to zero and to the other battery to 66%? Thanks

 

[Kilrah]

With something like this you can:
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You don't want to routinely drain a battery to 0% though unless you don't care much about longevity.

 

[Pointbob]

Fair enough..and thanks!