Quote:
Originally Posted by redpoint5
The Gen II and Gen III Prius use NiMh batteries, which probably don't hold up as well as Li-ion.
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Generally, NiMH batteries will take more charge cycles than lithium ion batteries. The Prius batteries have proven to be very robust; the longest-lived I've read about is a Gen II taxi in Austria with more than 600,000 miles on its original battery.