A battery's declared expected life under specified reference conditions.
Expected lifetime is a model-level performance and durability parameter for covered batteries. Annex IV records it in cycles except for non-cycle applications, and in calendar years. It does not by itself report the remaining life of a particular battery in service.
Expected lifetime is the documented battery durability parameter stated in applicable cycle and calendar-year terms under the specified conditions.
Model expectation is not individual state of health.
Battery Regulation Article 10 and Annex IV Part A(5) list expected lifetime among documented parameters, expressed in cycles except non-cycle applications, and in calendar years.
Source-grounded explanatory term, not a formal definition in the cited provisions. Source context is paraphrased, not quoted legal text.
Store cycles where applicable, calendar years, reference conditions, model and test evidence as separate fields.
Store the test conditions and model-level cycle and calendar-year measures separately from any item-level remaining-life estimate.
Source anchor; see source context and definition status.
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