Every year I do a test to see how the battery a capacity is holding up. I drive roughly the same route, keeping speeds under 55mph (50mph usually being the top speed) for 90% of the charge and the last 10% is done in a neighborhood at 15-25mph speeds. The last time I ran this test was around 41k miles in 2018 and got 78.3 miles on a charge in December with the top close on a 55f day. Today I did 78.1, top down on an 80f day. At what point do you see real capacity loss? I'm seriously thinking these little devils may go 12 years before there is noticable range loss.
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