This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for secondary sealed nickel-cadmium small prismatic, cylindrical and button cells and batteries which are conveniently hand-carried, suitable use for portable applications.
Examples of portable applications are remote controllers, flashlights, toys, electric toothbrush, power tools and similar equipment.
This standard also covers portable cells and batteries for the following applications as a performance reference standard (specific standards or regulations take precedence):
a) Fixed application: in-vehicle accessories, emergency lights and similar equipment, and
b) Personal mobility application: mobility scooters or electric bicycles that are not required to be registered for use on the road, and similar equipment.
NOTE The cell is not limited to specific products indicated in examples, if there is agreement between supplier and purchaser.
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