IEC 61951-2:20 17 RLV包含国际标准及其红线版本。红线版本只有英文版本。Redline版本为您提供了一种快速简单的方法来比较该标准与其前一版本之间的所有变化。红线版本不是IEC官方标准，只有标准的当前版本才被视为官方文件。 IEC 61951-2:20 17规定了二次密封镍金属氢化物小型棱柱形、圆柱形和纽扣式电池和蓄电池的标记、名称、尺寸、测试和要求，适用于任何方向，用于便携式应用。 与上一版相比，此版本包括以下重大技术变更: -添加电池类型； -为电池和电池组添加“F”（高回收类型）名称；-为电池添加“I”(低自放电类型)名称； -修订图3(6.1.3.1)； -在阳性接触中添加“可选pip”注释； -将引线位置从pip更改为正极触点平面（B和G）。

IEC 61951-2:2017 RLV contains the International Standard and its Redline version. The Redline version is available in English only. The Redline version provides you with a quick and easy way to compare all the changes between this standard and its previous edition. The Redline version is not an official IEC Standard, only the current version of the standard is to be considered the official document.

IEC 61951-2:2017 specifies marking, designation, dimensions, tests and requirements for secondary sealed nickel-metal hydride small prismatic, cylindrical and button cells and batteries, suitable for use in any orientation, for portable applications.
This edition includes the following significant technical changes with respect to the previous edition:
- addition of battery type;
- addition of ‘F’ (high recovery type) designation for cells and batteries;
- addition of ‘I’ (low self-discharge type) designation for cells;
- revision of Figure 3 (6.1.3.1);
- addition of “optional pip” note to positive contact;
- changed leader line position from pip to flats of positive contact (B and G).