Quote:
Originally Posted by fshagan
The power management in the Prius is said to never allow the batteries to get under 50% of charge, a reason they are lasting so long. I know a lot of the EV cars will routinely run their lead acid batteries down to 20%, so perhaps the 50% level is for the NiMH cells.
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Don't know about the Prius BMS, but the Honda Insight limits charge to between 20% and 80% of capacity.
I've been looking at adding a second battery pack in parallel on mine. (Lots of mountains hereabouts, and it irritates me when regen has the pack completely charged when I'm only halfway down.) Some people have apparently done this, and it seems to work ok.