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Originally Posted by kmh3
So if your meter swings from full bars to zero bars, theoretically the battery only went from the upper reserve to the lower reserve point, figure less than half the rated capacity of the battery (6500mah on the HCH-I, don't know what it is on the HCH-II). So a 10% swing on the meter, is about a 5% swing in the actual battery capacity.
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If what you're saying is accurate then my HCHII, at least, doesn't have the same reserve behavior on the Full end of the cycle and the Empty end of the cycle. The SOC gauge often goes to the top of the scale, i.e. it shows a full charge. Perhaps that means that the batteries are only 80% full. But then I'd expect the same to happen on the low end - the gauge should go to empty or near empty while there is a hidden reserve of 20% or 40% or whatever Honda chose. But in fact, the IMA has never allowed my charge to drop below four bars on the gauge. When it gets down to four bars the IMA refuses to provide any more assist and it often will force charging even when the engine is struggling up a steep slope. So, is it reasonable to think that Honda designed a hidden reserve on the top end but not on the bottom end?
I normally cycle between 100% charge and 40% charge every day because of the terrain - a steep climb up to my house. And sitting in my garage, the batteries are usually at 40% charge.