Historical
IEC 61951-2 Ed. 2.0 b:2003
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable sealed rechargeable single cells - Part 2: Nickel-metal hydride
This part of IEC 61951 specifies marking, designation, dimensions, tests and require-ments for portable sealed nickel-metal hydride, small prismatic, cylindrical and button rechargeable single cells, suitable for use in any orientation
International Electrotechnical Commission [iec]