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DIN EN IEC 62933-4-2 VDE 0520-933-4-2:2026-06

Electric energy storage (EES) systems

Part 4-2: Guidance on environmental issues – Assessment of the environmental impact of battery failure in an electrochemical based storage system

(IEC 62933-4-2:2025); German version EN IEC 62933-4-2:2025
Class/Status: Standard, valid
Released: 2026-06
VDE Art. No.: 0500348

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-06-01.

This part of IEC 62933 defines the requirements and structure for the evaluation and reporting of the impact on the environment, from a failure of the electrochemical core of the battery-based energy storage system (BESS), i.e. the cell, battery, or cell stack due to internal and exogenous causes.