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IEC 62133-1:2026 ED2

Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications - Part 1: Nickel systems

Publication date:   Mar 6, 2026

General information

60.60   Standard published   Mar 6, 2026

IEC

TC 21/SC 21A

International Standard

29.220.30   Alkaline secondary cells and batteries

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Scope

IEC 62133-1:2026 specifies requirements and tests for the safe operation of portable sealed secondary nickel cells and batteries containing alkaline electrolyte, under intended use and reasonably foreseeable misuse. This second edition cancels and replaces the first edition of IEC 62133-1 published in 2017. It constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 62133 1:2017:
a) removal of the definition "secondary battery";
b) removal of the definition "portable battery";
c) "removal of the definition "portable cell";
d) replacement of the single term "room temperature" with 20 °C ± 5 °C in 7.2.3;
e) modification of Figure 1.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 62133-1:2017 ED1

NOW

PUBLISHED
IEC 62133-1:2026 ED2
60.60 Standard published
Mar 6, 2026