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Battery Internal Resistance?

Saggy

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Joined
Oct 8, 2018
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Anyone know how to test this on the Anafi batteries? My usual rc plane chargers and IR meter use the balance plug. Anafi's smart battery balances itself- no balance lead, I just use usb Cs and Anker power bank to charge. I notice the + & - are marked and between them are 8 recessed pins. Presumably these are for balancing [but why not 6/3/4 for a 2s battery, depending on how they want to wire it, so I guess they do more?]. I suppose I could test the IR of the 2 cells together straight thru the + & - but that's not wonderful. It would be useful to track IRs as my 3 batteries age so i can spot upcoming problems, confirm suspicions, be alert to declining performance, oncoming death etc.

Anyone testing IR on Anafi batteries? Anyone got any suggestions?
 
What we found out a few months ago was that the balance contact is not accessible thru the battery pins.
 

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