IEC 63056:2020/COR1:2021

IEC 63056:2020/COR1:2021 is a corrigendum to the safety requirements for secondary lithium cells and batteries used in electrical energy storage systems, so it is relevant when teams need to review or correct the parent document for engineering, testing, or procurement purposes. As a supporting reference to IEC 63056:2020, it helps users maintain accurate technical documentation and avoid applying outdated wording during compliance workflows, technical review, and conformity assessment preparation. For organizations managing battery safety documentation, IEC 63056:2020/COR1:2021 can be a practical reference point for maintaining consistency in evaluation and verification activities.

What is IEC 63056:2020/COR1:2021?

This corrigendum is connected to the parent document IEC 63056:2020 and serves as a formal correction to the published safety requirements for secondary lithium cells and batteries intended for electrical energy storage systems. In practice, it is used alongside the original technical document rather than as a standalone specification. Organizations may consult it during document control, technical validation, and compliance checks to ensure that engineering specifications, test expectations, and regulatory preparation are aligned with the corrected text.

Applications of IEC 63056:2020/COR1:2021

IEC 63056:2020/COR1:2021 is typically relevant in workflows involving battery system safety review, storage system procurement, laboratory evaluation, and compliance documentation for electrical energy storage equipment. It may support teams responsible for product evaluation, quality assurance, and technical assessment of secondary lithium battery installations or related assemblies. The corrigendum is also useful where test plans, certification files, or engineering documentation must reflect the corrected version of the parent requirements before submission or internal approval.

Why is IEC 63056:2020/COR1:2021 important?

For safety-critical battery applications, even a corrigendum can matter because small textual corrections may influence how requirements are interpreted in testing workflows, risk management, and conformity assessment. Using IEC 63056:2020/COR1:2021 alongside the parent reference helps improve operational consistency, reduce misapplication of requirements, and support more reliable technical compliance decisions. It is especially valuable where procurement, laboratory review, and engineering validation depend on accurate standards documentation and controlled revision management.

• Formal correction linked to the parent safety requirements document for lithium cells and batteries in energy storage systems
• Useful for controlled document review, specification checks, and technical compliance workflows
• Supports testing consistency, conformity assessment preparation, and engineering documentation accuracy
• Relevant to safety-focused procurement and quality assurance processes for battery energy storage applications