Vented nickel-cadmium prismatic rechargeable single cells; amendment 1 to IEC 60623:1990

This document serves as a technical amendment issued by the International Electrotechnical Commission. It modifies the foundational standard IEC 60623-1990 concerning rechargeable vented cylindrical nickel-cadmium batteries. The amendment introduces specific technical updates and clarifications to ensure safety and performance consistency within the product category. It addresses evolving manufacturing practices and testing methodologies relevant to the electrochemical characteristics of nickel-cadmium cells. By incorporating these changes, the document aligns the existing requirements with contemporary engineering standards and user safety expectations. The text focuses on technical parameters affecting battery capacity, life expectancy, and operational limits. It does not alter the fundamental structure of the original specification but rather refines specific clauses to improve application reliability. This revision is intended for manufacturers, testing laboratories, and regulatory bodies to ensure that all rechargeable cylindrical cells meet the updated criteria. The content reflects the consensus reached by the relevant technical committees at the time of issuance.