DIN EN 61951-2-2012 含碱性或其他非酸性电解质的蓄电池和蓄电池组.便携密封可再充电单电池.第2部分:镍金属氢化物
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