EN 62675:2014

SLOVENSKI STANDARD
01-maj-2015
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Secondary cells and batteries containing alkaline or other non-acid electrolytes - Sealed
nickel-metal hydride prismatic rechargeable single cells for industrial applications (IEC
62675:2014)
Akkumulatoren und Batterien mit alkalischem oder anderen nichtsäurehaltigen
Elektrolyten - Prismatische wiederaufladbare gasdichte Nickel-Metallhydrid-Einzelzellen
für industrielle Anwendungen (IEC 62675:2014)
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ICS:
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 62675
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2014
ICS 29.220.99
English Version
Secondary cells and batteries containing alkaline or other non-
acid electrolytes - Sealed nickel-metal hydride prismatic
rechargeable single cells
(IEC 62675:2014)
Accumulateurs alcalins et autres accumulateurs à Akkumulatoren und Batterien mit alkalischem oder anderen
électrolyte non acide - Éléments individuels nichtsäurehaltigen Elektrolyten - Prismatische
parallélépipédiques rechargeables étanches au nickelmétal wiederaufladbare gasdichte Nickel-Metallhydrid-
hydrure Einzelzellen für industrielle Anwendungen
(CEI 62675:2014) (IEC 62675:2014)
This European Standard was approved by CENELEC on 2014-10-01. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard 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 CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard 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 CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62675:2014 E
Foreword
The text of document 21A/550/FDIS, future edition 1 of IEC 62675, 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 approved by CENELEC as
The following dates are fixed:
– latest date by which the document has to be implemented at (dop) 2015-07-01
national level by publication of an identical national
standard or by endorsement
– latest date by which the national standards conflicting with (dow) 2017-10-01
the document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62675:2014 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60051 Series NOTE Harmonised as EN 60051 Series.
IEC 61434 NOTE Harmonised as EN 61434.

- 3 - EN 62675:2014
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-482 2004 International Electrotechnical Vocabulary - -
(IEV) -- Part 482: Primary and secondary
cells and batteries
IEC 62675 ®
Edition 1.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Secondary cells and batteries containing alkaline or other non-acid

electrolytes – Sealed nickel-metal hydride prismatic rechargeable single cells

Accumulateurs alcalins et autres accumulateurs à électrolyte non acide –

Éléments individuels parallélépipédiques rechargeables étanches au nickel-

métal hydrure
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX Q
ICS 29.220.99 ISBN 978-2-8322-1845-7

– 2 – IEC 62675:2014  IEC 2014
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Parameter measurement tolerances . 7
5 Designation and marking . 7
5.1 Cell designation . 7
5.2 Cell termination . 8
5.3 Marking . 8
5.4 Safety recommendations . 8
6 Dimensions. 8
7 Electrical tests . 10
7.1 General . 10
7.2 Charging procedure for test purposes . 10
7.3 Discharge performance . 10
7.3.1 General . 10
7.3.2 Discharge performance at 20 °C . 10
7.3.3 Discharge performance at +5 °C . 11
7.3.4 Discharge performance at –18 °C . 11
7.3.5 High rate current test . 12
7.4 Charge retention . 12
7.5 Endurance . 13
7.5.1 Endurance in cycles. 13
7.5.2 Permanent charge endurance . 13
7.6 Charge acceptance at constant voltage . 14
7.7 Overcharge . 14
7.8 Vent plug operation . 14
7.9 Safety device operation . 14
7.10 Gas leakage test . 15
7.11 Storage . 15
8 Mechanical tests . 15
9 Physical appearance . 15
10 Conditions for approval and acceptance . 15
10.1 Type approval . 15
10.2 Batch acceptance . 16
Bibliography . 17

Figure 1 – Example of a sealed prismatic cell in steel container with two terminals and
four lugs . 8
Figure 2 – Example of a sealed prismatic cell in plastic container with two terminals . 9

Table 1 – Dimensions for sealed nickel-metal hydride prismatic cells in steel
containers . 9
Table 2 – Dimensions for sealed nickel-metal hydride prismatic cells in plastic
containers . 9

IEC 62675:2014  IEC 2014 – 3 –
Table 3 – Measurement tolerances in millimetres (valid for widths and lengths) . 10
Table 4 – Discharge performance at 20 °C . 11
Table 5 – Discharge performance at +5 °C . 11
Table 6 – Discharge performance at –18 °C . 12
Table 7 – High currents values. 12
Table 8 – Endurance in cycles . 13
Table 9 – Sequence of tests for type approval . 16
Table 10 – Recommended test sequence for batch acceptance . 16

– 4 – IEC 62675:2014  IEC 2014
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECONDARY CELLS AND BATTERIES CONTAINING
ALKALINE OR OTHER NON-ACID ELECTROLYTES –
SEALED NICKEL-METAL HYDRIDE PRISMATIC
RECHARGEABLE SINGLE CELLS
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC Nati
...