Is Rover or battery maker Delphi responsible for battery failure after nine years?

Does this win the prize for the most optimistic claim for product failure? Last week my dealer-maintained Rover 75's original manufacturer-fitted battery failed after barely nine and a half years. Is Rover or battery-maker Delphi responsible?

Asked on 23 August 2011 by AW, Great Missenden

Answered by Honest John
No, there have been more optimistic claims, but none yet against a manufacturer that went out of business more than six years ago.
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