Turning on TB50 batteries?

Actually using the power cord as @Florida Drone Supply suggested in post #7 works well and is very simple for an off the shelf product as shown in this short video I created.

Can you please try to reverse the direction of the voltage? I would like to connect 25V to the power connector of the inspire remote controller, and check is the voltage comes out from the 12 pin connector...or there is a diode?
 
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Can you please try to reverse the direction of the voltage? I would like to connect 25V to the power connector of the inspire remote controller, and check is the voltage comes out from the 12 pin connector...or there is a diode?

I no longer have TB50 batteries.
 
So you did not find any electronic components?? Just the positve and negative?
 
Interested... i have like 40 old TB50p batteries that I would like to power my bike with.