What is the expected lifespan for the battery on a hybrid car?

What is the expected lifespan for the battery on a hybrid car e.g. the Lexus CT200?

Asked on 29 April 2017 by Tyeman

Answered by Honest John
I simply don't get any reports from readers of them failing. We have a 2010 Auris HSD with exactly the same drivetrain as the CT200 and it's never been a problem.
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