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Old 12 Feb 2020, 15:48 (Ref:3957247)   #13
crmalcolm
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Quote:
Originally Posted by Peter Mallett View Post
I think because they guarantee them for eight years but at ten years there's a strong possibility you'd need to replace them. Agreed the technology is moving rapidly.
I think the guarantees being given for such a long period are designed to allay fears of battery failure. There are lots of Prius' and Leafs (Leaves?) on the road with batteries over 10yrs in age that are still running fine (albeit with some sign of reduced capacity).

There are reports that suggest the battery failure of LEAF units (capacity reduced to below 80%) is a total of 3 in 35,000 over 5 years.

If we expect failure of the essential component in an automobile to fail shortly after the warranty expires, then Mercedes-Benz's should be dropping in year 4, Renaults in year 5, and Kias sometime in year 8.
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