Quote:
Originally Posted by JSH
Sorry, I missed your earlier post.
This is interesting. I wonder if this is heat related (The paper I linked shows high temperature as an issue for Ni-MH).
It also could a "Snow Bird" effect. People that leave their cars for long periods of time at their winter homes and let the battery sit in a discharged rate.
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The 40K miles and 2 years early failure condition is presumably heat related.
If you are looking at a 10 year old car with 160K miles, you're not talking about any "snow bird" effect (160K is my average across the ~250 batteries). The failures I would attribute to "snow bird" effect can be counted on one hand.