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DIN EN IEC 61960-4 VDE 0510-44:2025-02

Secondary cells and batteries containing alkaline or other non-acid electrolytes – Secondary lithium cells and batteries for portable applications

Part 4: Coin secondary lithium cells, and batteries made from them

(IEC 61960-4:2024); German version EN IEC 61960-4:2024
Class/Status: Standard, valid
Released: 2025-02
VDE Art. No.: 0500301

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-02-01.

This part of IEC 61960 specifies performance tests, designations, markings, dimensions and other requirements for coin secondary lithium cells and batteries for portable applications, watches, and backup power supply such as memory backup applications. In particular, watch-specific requirements are specified in Annex A. This edition includes the following significant technical changes with respect to the previous edition: a) added an annex to standardize requirements for secondary lithium watch batteries; b) added new chemistries; c) added a table to standardize dimensions and size codes for secondary lithium watch batteries; d) modified marking requirements.