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IEC 61951-2 Ed. 4.1 b:2022

Secondary cells and batteries containing alkaline or other non acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 2: Nickel-metal hydride
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IEC 61951-2 Ed. 4.1 b:2022

Secondary cells and batteries containing alkaline or other non acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 2: Nickel-metal hydride

PUBLISH DATE 2026
IEC 61951-2 Ed. 4.1 b:2022
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 2: Nickel-metal hydride
IEC 61951-2:2017+AMD2:2022 specifies marking, designation, dimensions, tests and requirements for secondary sealed nickel-metal hydride small prismatic, cylindrical and button cells and batteries, suitable for use in any orientation, for portable applications.
This edition includes the following significant technical changes with respect to the previous edition:
- addition of battery type;
- addition of ‘F’ (high recovery type) designation for cells and batteries;
- addition of ‘I’ (low self-discharge type) designation for cells;
- revision of Figure 3 (6.1.3.1);
- addition of “optional pip” note to positive contact;
- changed leader line position from pip to flats of positive contact (B and G).
SDO IEC: International Electrotechnical Commission
Document Number IEC 61951
Publication Date April 1, 2026
Language b - English & French
Page Count
Revision Level 4.1
Supercedes
Committee 21A
Publish Date Document Id Type View
April 1, 2026 Revision
Not Available Revision
Not Available Revision
April 1, 2026 IEC 61951-2 Ed. 4.1 b:2022 Revision
April 1, 2026 IEC 61951-2 Ed. 4.0 b:2017 Revision
June 5, 2024 Revision
March 1, 2017 Revision