EN 60086-3:2016

SLOVENSKI STANDARD
01-december-2016
1DGRPHãþD
SIST EN 60086-3:2011
Primarne baterije - 3. del: Baterije za zapestne ure (IEC 60086-3:2016)
Primary batteries - Part 3: Watch batteries (IEC 60086-3:2016)
Piles électriques - Partie 3 : piles pour montres (IEC 60086-3:2016)
Ta slovenski standard je istoveten z: EN 60086-3:2016
ICS:
29.220.10 3ULPDUQLþOHQLLQEDWHULMH Primary cells and batteries
39.040.10 Zapestne, žepne ure Watches
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60086-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2016
ICS 29.220.10; 39.040.10 Supersedes EN 60086-3:2011
English Version
Primary batteries - Part 3: Watch batteries
(IEC 60086-3:2016)
Piles électriques - Partie 3 : Piles pour montres Primärbatterien - Teil 3: Uhrenbatterien
(IEC 60086-3:2016) (IEC 60086-3:2016)
This European Standard was approved by CENELEC on 2016-06-29. 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
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60086-3:2016 E
European foreword
The text of document 35/1359/FDIS, future edition 4 of IEC 60086-3, prepared by IEC/TC 35 "Primary
cells and batteries" and by ISO/TC 114 "Horology" was submitted to the IEC-CENELEC parallel vote
and approved by CENELEC as EN 60086-3:2016.
The following dates are fixed:
(dop) 2017-03-29
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2019-06-29
• latest date by which the national standards conflicting with
the document have to be withdrawn

This document supersedes EN 60086-3:2011.
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 60086-3:2016 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated :
IEC 60068-2-78:2001 NOTE Harmonized as EN 60068-2-78:2001 (not modified).
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 60086-1 2015 Primary batteries - EN 60086-1 2015
Part 1: General
IEC 60086-2 2015 Primary batteries - EN 60086-2 2016
Part 2: Physical and electrical
specifications
IEC 60086-4 2014 Primary batteries - EN 60086-4 2015
Part 4: Safety of lithium batteries
1)
IEC 60086-5 2016 Primary batteries - EN 60086-5
Part 5: Safety of batteries with aqueous
electrolyte
1) To be published.
IEC 60086-3
Edition 4.0 2016-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Primary batteries –
Part 3: Watch batteries
Piles électriques –
Partie 3: Piles pour montres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.220.10; 39.040.10 ISBN 978-2-8322-3402-0

– 2 – IEC 60086-3:2016 © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 7
4 Physical requirements. 8
4.1 Battery dimensions, symbols and size codes . 8
4.2 Terminals . 10
4.3 Projection of the negative terminal (h ) . 10
4.4 Shape of negative terminal . 10
4.5 Mechanical resistance to pressure . 11
4.6 Deformation . 11
4.7 Leakage . 11
4.8 Marking . 12
4.8.1 General . 12
4.8.2 Disposal . 12
5 Electrical requirements . 12
5.1 Electrochemical system, nominal voltage, end-point voltage and open-circuit
voltage . 12
5.2 Closed circuit voltage U (CCV), internal resistance and impedance . 13
cc
5.3 Capacity . 13
5.4 Capacity retention . 13
6 Sampling and quality assurance . 13
7 Test methods . 13
7.1 Shape and dimensions . 13
7.1.1 Shape requirement . 13
7.2 Electrical characteristics . 14
7.2.1 Environmental conditions . 14
7.2.2 Equivalent circuit – effective internal resistance – DC method . 14
7.2.3 Equipment . 15
7.2.4 Measurement of open-circuit voltage U (OCV) and closed circuit
oc
voltage U (CCV) . 15
cc
7.2.5 Calculation of the internal resistance R . 16
i
7.2.6 Measurement of the capacity . 16
7.2.7 Calculation of the internal resistance R during discharge in case of
i
method A (optional) . 18
7.3 Test methods for determining the resistance to leakage . 20
7.3.1 Preconditioning and initial visual examination . 20
7.3.2 High temperature and humidity test . 20
7.3.3 Test by temperature cycles . 20
8 Visual examination and acceptance conditions . 21
8.1 Preconditioning . 21
8.2 Magnification . 21
8.3 Lighting . 21
8.4 Leakage levels and classification . 21
8.5 Acceptance conditions. 23

IEC 60086-3:2016 © IEC 2016 – 3 –
Annex A (normative) Designation . 24
Bibliography . 25

Figure 1 – Dimensional drawing . 8
Figure 2 – Shape of negative terminal . 11
Figure 3 – Shape requirement . 14
Figure 4 – Schematic voltage transient . 14
Figure 5 – Curve: U = f(t) . 15
Figure 6 – Circuitry principle . 16
Figure 7 – Circuitry principle for method A . 17
Figure 8 – Circuitry principle for method B . 18
Figure 9 – Test by temperature cycles . 20

Table 1 – Dimensions and size codes . 9
Table 2 – Dimensions and size codes . 10
Table 3 – Minimum values of l . 11
Table 4 – Applied force F by battery dimensions . 11
Table 5 – Standardised electrochemical systems . 12
Table 6 – Test method for U (CCV) measurement . 16
cc
Table 7 – Test method A for U (CCV) measurement . 17
cc
Table 8 – Discharge resistance (values) . 19
Table 9 – Storage conditions for the recommended test . 20
Table 10 – Storage conditions for optional test . 20
Table 11 – Leakage levels and classification (1 of 2) . 22

– 4 – IEC 60086-3:2016 © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PRIMARY BATTERIES –
Part 3: Watch batteries
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 S
...