Quote:
Originally Posted by Formula413
Perhaps that stick has one bad cell and five good ones? The capacity is almost exactly 5/6 of the average. Of course that's irrelevant unless you have a way to disassemble sticks and re-weld them together.
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I doubt it would be worth the trouble ... but ...
After you tested each of the 6 cells in a subpack stick to quantify them ... if it turned out that it was just one cell ... you would need to carefully take the welded 6 cell subpack apart... something like the way Mike D did it ... shown
Here.
Then in order to weld the pack back together you need a good capacitive discharge spot welder ... you could buy one for more than a new battery pack costs ... or you could build cheaper if you that the know how ... one like Mike D did ...
Here.
To be safe you retest... but that is a lot of work / effort... I wouldn't recommend it ... doing the 20 subpacks is enough work already.