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Bricked Mavic Pro Battery BMS... any way to recover?

cnd

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Joined
Oct 9, 2021
Messages
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Age
54
Location
Texas
My antique battery died, so I ripped out the pouch cells and replaced them with 18650's.
I made no wiring errors... although I did connect the + and minus before connecting the balance plug.
fwiw - I un-soldered the + and - at breakdown before disconnecting the balance plug.

Now however: nothing. No lights, and charger ignores it.

My guess is that the BMS, aka "smart battery" board is equipped with a self-destruct? Does anyone know what their deal is? Is there a trick to reset that?
 
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