Quote:
Originally Posted by MetroMPG
Since the capacity of the pack is limited by its weakest stick, that puts the pack at 75% of original, nominal capacity of 6500 mAh.
With the weakest stick at 5500 mAh, that would mean the pack has 85% of its original capacity.
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I agree with your idea to after the other testing is done to test a SoC balanced pack in the car to see how it performs.
Then you will have all the information to decide if you want to replace sticks or not ... and what the potential gain would be ... and now you know how much work and such would be involved doing so.
If you plan on occasionally doing some type of SoC balancing ... Grid Charging or whatever ... then the Self Discharge rate will be a minor issue ... but if you don't do some type of occasional SoC balancing , it is only a mater of time before differences in self discharge rate significantly reduce the usable capacity ... like how your saw in the start with a large gap in SoC.
Capacity differences kind of always effects the total effective capacity ... like you said weakest link in the chain.
Resistance differences are most significant the higher the IMA currents used ... so how important that is ... is kind of up to how you choose to drive.