DIN EN 61951-2:2012 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable sealed rechargeable single cells - Part 2: Nickel-metal hydride (IEC 61951-2:2011); German version EN 61951-2:2011
2017DIN EN 61951-2:2017 Secondary cells and batteries containing alkaline or other non acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 2: Nickel-metal hydride (IEC 61951-2:2017); German version EN 61951-2:2017
2012DIN EN 61951-2:2012 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable sealed rechargeable single cells - Part 2: Nickel-metal hydride (IEC 61951-2:2011); German version EN 61951-2:2011