This sixth edition cancels and replaces the fifth edition published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
A) added a test for internal DC resistance;
B) added a subclause for pulse power calculation;
C) added a test for contant power measurement;
D) added a subclause on the determination of durability parameters.
This document specifies marking, designation, dimensions, tests and requirements for vented nickel-cadmium prismatic secondary single cells and battery systems made of them for use in industrial applications.
PUBLISHED
IEC 60623:2017 ED5
IN_DEVELOPMENT
IEC 60623 ED6
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Mar 6, 2026
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