EN 61951-1:2003/A1:2006

SLOVENSKI STANDARD
01-julij-2006
6HNXQGDUQHFHOLFHLQEDWHULMHNLYVHEXMHMRDONDOQHDOLGUXJHQHNLVOLQVNHHOHNWUROLWH
3UHQRVQHSRVDPH]QHSRQRYQRSROQOMLYHKHUPHWLþQHFHOLFHGHO1LNHOMNDGPLM
,(&$
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable
sealed rechargeable single cells - Part 1: Nickel-cadmium (IEC 61951-1:2003/A1:2005)
Akkumulatoren und Batterien mit alkalischem oder anderen nichtsäurehaltigen
Elektrolyten - Tragbare wiederaufladbare gasdichte Einzelzellen - Teil 1: Nickel-
Cadmium (IEC 61951-1:2003/A1:2005)
Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Accumulateurs
individuels portables étanches - Partie 1: Nickel-cadmium (CEI 61951-1:2003/A1:2005)
Ta slovenski standard je istoveten z: EN 61951-1:2003/A1:2006
ICS:
29.220.30
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61951-1/A1
NORME EUROPÉENNE
January 2006
EUROPÄISCHE NORM
ICS 29.220.30
English version
Secondary cells and batteries containing alkaline
or other non-acid electrolytes –
Portable sealed rechargeable single cells
Part 1: Nickel-cadmium
(IEC 61951-1:2003/A1:2005)
Accumulateurs alcalins et autres Akkumulatoren und Batterien mit
accumulateurs à électrolyte non acide – alkalischem oder anderen
Accumulateurs individuels portables nichtsäurehaltigen Elektrolyten –
étanches Tragbare wiederaufladbare gasdichte
Partie 1: Nickel-cadmium Einzelzellen
(CEI 61951-1:2003/A1:2005) Teil 1: Nickel-Cadmium
(IEC 61951-1:2003/A1:2005)
This amendment A1 modifies the European Standard EN 61951-1:2003; it was approved by CENELEC on
2005-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This amendment exists in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61951-1:2003/A1:2006 E

Foreword
The text of document 21A/421/FDIS, future amendment 1 to IEC 61951-1:2003, prepared by SC 21A,
Secondary cells and batteries containing alkaline or other non-acid electrolytes, of IEC TC 21, Secondary
cells and batteries, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
amendment A1 to EN 61951-1:2003 on 2005-12-01.
The following dates were fixed:
– latest date by which the amendment has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-09-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2008-12-01
__________
Endorsement notice
The text of amendment 1:2005 to the International Standard IEC 61951-1:2003 was approved by
CENELEC as an amendment to the European Standard without any modification.
__________
NORME CEI
INTERNATIONALE
IEC
61951-1
INTERNATIONAL
STANDARD
AMENDEMENT 1
AMENDMENT 1
2005-11
Amendement 1
Accumulateurs alcalins et autres accumulateurs
à électrolyte non acide –
Accumulateurs individuels portables étanches –
Partie 1:
Nickel-cadmium
Amendment 1
Secondary cells and batteries containing
alkaline or other non-acid electrolytes –
Portable sealed rechargeable single cells –
Part 1:
Nickel-cadmium
 IEC 2005 Droits de reproduction réservés  Copyright - all rights reserved
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
CODE PRIX
G
Commission Electrotechnique Internationale
PRICE CODE
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue

61951-1 Amend. 1  IEC:2005 – 3 –
FOREWORD
This amendment has been prepared by subcommittee 21A: Secondary cells and batteries
containing alkaline or other non-acid electrolytes, of IEC technical committee 21: Secondary
cells and batteries.
This first amendment allows differentiating cells for operation at temperatures of up to 40 °C
and cells for operation at temperatures of up to 50 °C.
The text of this amendment is based on the following documents:
FDIS Report on voting
21A/421/FDIS 21A/422/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
Page 3
CONTENTS
Replace the existing title of 7.6.3 by the following:
7.6.3 LT/LU, MT/MU or HT/HU cylindrical cells
Add, on page 5, to the list of tables, the title of new Table 26 as follows:
Table 26 – Permanent charge endurance for LU, MU or HU cylindrical cells

Page 15
5.1.2 Cylindrical cells
Replace the paragraph after the note by the following:
When a cell is intended for permanent charge at elevated temperatures, typically up to 40 °C,
a letter "T" is placed after the letter L, M, H or X.
When a cell is intended for permanent charge at elevated temperatures, typically up to 50 °C,
a letter "U" is placed after the letter L, M, H or X.

61951-1 Amend. 1  IEC:2005 – 5 –
Page 27
7.2.1 Discharge performance at 20 °C
Replace the existing Table 6 by the following:
Table 6 – Discharge performance at 20 °C for cylindrical cells
Minimum discharge duration
Discharge conditions
h/min
Rate of Final Cell designation
constant current voltage
L/LT/LU M/MT/MU H/HT/HU X
A V
a
0,2 I 1,0 5 h 5 h 5 h 5 h
t
1,0 I 0,9 – 42 min 48 min 54 min
t
b
5,0 I 0,8 – – 6 min 9 min
t
b
10,0 I 0,7 – – – 4 min
t
a
Five cycles are permitted for this test. The test shall be terminated at the end of the first cycle which meets the
requirement.
b
Prior to the 5,0 I A and 10,0 I A tests, a conditioning cycle may be included if necessary. This cycle shall
t t
consist of charging at 0,1 I A in accordance with 7.1 and discharging at 0,2 I A, at an ambient temperature of
t t
20 °C ± 5 °C, according to 7.2.1.

Page 29
7.2.2 Discharge performance at –18 °C
Replace the existing Table 9 by the following:
Table 9
...