Hi
Got here an older 18650 pack 3s4p.
When ballance charging the it does not get past 88%
S1 = 4.00v
S2 = 4.01v
S3 = 4.20v
Got a few options now: retire, use or open up pack and find the bad cells
to replace them (I got in fact 2 packs with simular issues so a could merge them)
My charger can show the resistance but i'm not sure if there is any point in doing
that, doesn't 1/Rv apply here?)
Anyway the results are 35 mOhm 19 mOhm and 25 mOhm .
But my question, better to retire the pack or use it a few more times?
Got here an older 18650 pack 3s4p.
When ballance charging the it does not get past 88%
S1 = 4.00v
S2 = 4.01v
S3 = 4.20v
Got a few options now: retire, use or open up pack and find the bad cells
to replace them (I got in fact 2 packs with simular issues so a could merge them)
My charger can show the resistance but i'm not sure if there is any point in doing
that, doesn't 1/Rv apply here?)
Anyway the results are 35 mOhm 19 mOhm and 25 mOhm .
But my question, better to retire the pack or use it a few more times?