I'm confused, because C2 looks like it only has 600 maH of capacity remaining. Am I misunderstanding?
I've been using/testing a later model BCM for the past few weeks, discussed a bit here: IMA Battery will not charge on level road at constant speed
Thought I'd mention here that this BCM - an A03 from something like 2005 and/or 2006 - seems to implement a lot of what I describe in this thread: it doesn't charge nearly as high and appears to concentrate usage below 50%.... I don't know, it's really weird how drastically different this BCM is compared to those others. I'm not sure what to think of the top-end threshold, for instance. In some sense it's too low... I also wonder if there's something different about my cells that causes a lower top-end. I don't think there is, but maybe there were slight differences in the cells used on later Insights that called for different programming, kind of like the purported differences between Insight cells/BCMs and Civic cells/BCMs... I did try to make graphs for Civic and Insight cells at one time, and those graphs do show that the Insight cells need to reach a higher voltage to reach a given high state of charge relative to the Civic cells. But I can't be sure that my test cells were truly representative... Plus, we're talking Civic vs. Insight here, not early Insight vs. later Insight...
According to the definition of "charge state" in the Huggins, that 92.3% value there is technically the "charge state":..."Capacity" and "charge state" - two things that, really I'm not sure I understand. With Insight cells, you can charge to a high - what I've been calling "absolute capacity level" or "absolute charge state." The cells are say 6500mAh capacity. Charge them with 6000mAh current input, and all else being equal, you've charged them to 6000/6500=92.3%, right? Ignore efficiency and all that.
That value - 92.3% - however, I don't think it's technically the same as quote "state of charge" or "charge state."