IEC 61951 PDF

Second edition. This English-language version is derived from the original bilingual publication by leaving out all French-language pages. This part of IEC specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-cadmium small prismatic, cylindrical and . IEC Standard N° IEC & A 1. Nickel-Metal Hydride: cylindrical and button cells. IEC Standard N° – IEC

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Certain sizes, given by one or two digit numbers, represent standard size codes from previous editions of the standard. Inmercury batteries were included in the standard. We have no document history for this standard. As of Thursday 9 June The 12th edition of C18 began to be harmonized with the IEC standard. By using this site, ieec agree to the Terms of Use and Privacy Policy.

The same physically interchangeable cell size eic have widely different characteristics; physical interchangeability is not the sole factor in substitution of batteries. This standard is also available to be included in Standards Subscriptions.

These include but are not limited to: Tragbare wiederaufladbare gasdichte Einzelzellen Nickel-Metallhydrid. Ammonium chlorideZinc chloride. Please first log in with a verified email before iev to alerts.


Develop, test and integrate batteries according to the standards

The letter system was introduced in the edition of the standard, with letters A through J assigned approximately in order of increasing cell volume, for cells typically manufactured at that time.

The first letter identifies the chemical composition of the battery, which also implies ied nominal voltage. Round button batteries also carry two-digit size codes such as R44, see the button battery table for typical dimensions. Rechargeable batteries were introduced in the C18 standard inand lithium types were standardized in Obviously the math says that.

For flat cells the diameter code is given as the diameter of a circle circumscribed around the whole cell’s area. I discuss this with my scientists and we work to develop a standard. Unsourced material may be challenged and removed. Terminated with spring terminals. These run from A to L omitting F and I and depending on the largest dimension kec the battery can either signify 0.

Last edited by SweD; at Originally Posted by SilverFox. The people that use batteries appreciate the standard, but have discovered that different charging methods favor the performance under differing use patterns. The long history of disposable dry cells means that many different manufacturer-specific and national standards were used to designate sizes, long before international standards were reached.

Secondary cells using systems Iev and K nickel-metal hydride and nickel-iron sulfide have a separate series of size codes, but the cells are dimensionally interchangeable with primary cells.


The Redline version is not an official IEC Standard, only the current version of oec standard is to be considered the official document. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

Hello Dennis, Let’s back up a moment Search all products by. The edition of the C18 idc expanded the nomenclature system to include series and parallel arrays of cells.

IEC – Standards Australia

Flashlights and Parts WTS: The complete nomenclature for the battery will fully specify the size, chemistry, terminal arrangements and special characteristics of a battery. After Octoberround cells are systematically identified with a number derived from their diameter and height. Bookmarks Bookmarks Digg del. Common round cell sizes are:. The faster, easier way to work with standards. The caveat to this is that the standard was formulated using conventional batteries. The edition identified types suitable for use with transistor radios.