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ANNEX VII

PARAMETERS FOR DETERMINING THE STATE OF HEALTH AND EXPECTED LIFETIME OF BATTERIES Part A Parameters for determining the state of health of electric vehicle batteries, stationary battery energy storage systems and LMT batteries: For electric vehicle batteries: state of certified energy (SOCE). For stationary battery energy storage systems and LMT batteries: the remaining capacity; where possible, the remaining power capability; where possible, the remaining round trip efficiency; the evolution of self-discharging rates; where possible, the ohmic resistance. Part B Parameters for determining the expected lifetime of stationary battery energy storage systems and LMT batteries: the date of manufacture of the battery and, where appropriate, the date of putting into service; the energy throughput; the capacity throughput; the tracking of harmful events, such as the number of deep discharge events, time spent in extreme temperatures, time spent charging in extreme temperatures; the number of full equivalent charge-discharge cycles.

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Source: EUR-Lex (Cellar) · retrieved 2026-09-29 · Text as consolidated on 2026-08-13; changes after this date are not shown.