What about "full charge capacity"? Laptop batteries are smart enough these days it seems to somehow work out a capacity - based on charge/discharge times I assume.

e.g. my 3 year old Dell laptop battery only says about 3800mAh when it's labelled rated capacity is 4700mAh
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)