EN 61440 : 1997

1 General
    1.1 Scope
    1.2 Normative references
    1.3 Definitions
    1.4 Parameter tolerances
2 Designation and marking
    2.1 Cell designation
    2.2 Marking
3 Dimensions
4 Electrical tests
    4.1 Charging procedure for test purposes
    4.2 Discharge performance
    4.3 Charge (capacity) retention
    4.4 Endurance in cycles
    4.5 Charge acceptance at constant voltage
    4.6 Overcharge
    4.7 Safety device operation
    4.8 Storage
    4.9 Internal resistance
5 Mechanical test
    5.1 Bump test
6 Conditions for approval and acceptance
    6.1 Type approval
    6.2 Batch acceptance

Defines marking, designation, dimensions, tests and requirements for sealed nickel-cadmium small prismatic rechargeable single cells, intended to be used in any orientation.