IEC 63118-1:2024

IEC 63118-1:2024 defines the general requirements and methods of test for 12 V lithium-ion secondary batteries intended for automotive starting, lighting, ignition (SLI) applications and auxiliary purposes. For engineering teams, test laboratories, and procurement reviewers, it provides a focused technical reference for evaluating whether a battery design is suitable for vehicle-use conditions and related compliance workflows. The document supports documented evaluation, technical validation, and procurement decisions where battery performance, consistency, and conformity assessment need to be reviewed against a recognized framework.

Overview of IEC 63118-1:2024

The scope of IEC 63118-1:2024 is centered on general requirements and test methods for 12 V lithium-ion secondary batteries used in automotive SLI and auxiliary applications. In practice, that means it is relevant to product evaluation, laboratory assessment, and engineering documentation for batteries that must operate reliably in starting and support functions. The first edition establishes a structured basis for technical review, helping manufacturers and compliance teams align test plans, verification activities, and quality workflows with the expected use environment.

Compliance applications of IEC 63118-1:2024

IEC 63118-1:2024 is typically used when preparing battery specifications, test programs, and conformity assessment files for automotive electrical systems that rely on 12 V lithium-ion technology. It may support supplier qualification, product validation, and internal acceptance testing where consistent methods are needed across development and production. The document is also useful in regulatory preparation and cross-functional compliance workflows, especially when organizations need a common technical reference for engineering review, laboratory evaluation, and documented performance checks.

Importance of compliance with IEC 63118-1:2024

Using IEC 63118-1:2024 helps reduce risk by giving stakeholders a shared basis for safety, testing consistency, and operational consistency in battery-related decisions. For procurement teams, it can clarify what technical evidence should accompany a product offer. For engineers and laboratories, it supports repeatable verification activities and more defensible technical assessment results. In conformity assessment and quality assurance processes, the document can improve traceability, limit ambiguity in acceptance criteria, and strengthen preparation for certification or approval-related reviews.

• General requirements for 12 V lithium-ion secondary batteries used in automotive SLI and auxiliary service
• Methods of test intended to support repeatable laboratory evaluation and technical validation
• Useful reference for engineering documentation, supplier review, and procurement comparison
• Supports conformity assessment preparation and structured compliance workflows