IEC 60086-5:2021

Primary batteries - Part 5: Safety of batteries with aqueous electrolyte

IEC 60086-5:2021

Name:IEC 60086-5:2021   Standard name:Primary batteries - Part 5: Safety of batteries with aqueous electrolyte
Standard number:IEC 60086-5:2021   language:English language
Release Date:29-Sep-2021   technical committee:TC 35 - Primary cells and batteries
Drafting committee:MT 16 - TC 35/MT 16   ICS number:29.220.10 - Primary cells and batteries

IEC 60086-5
Edition 5.0 2021-09
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Primary batteries –
Part 5: Safety of batteries with aqueous electrolyte





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IEC 60086-5
Edition 5.0 2021-09
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Primary batteries –
Part 5: Safety of batteries with aqueous electrolyte

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.220.10 ISBN 978-2-8322-1035-1

– 2 – IEC 60086-5:2021 RLV © IEC 2021
CONTENTS
FOREWORD . 5
INTRODUCTION . 2
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Requirements for safety . 10
4.1 Design . 10
4.1.1 General . 10
4.1.2 Venting . 11
4.1.3 Insulation resistance .
4.2 Quality plan . 11
5 Sampling . 11
5.1 General . 11
5.2 Sampling for type type approval testing . 11
5.3 Validity of testing . 12
6 Testing and requirements . 12
6.1 General . 12
6.1.1 Applicable safety tests . 12
6.1.2 Cautionary notice. 13
6.1.3 Ambient temperature . 14
6.2 Evaluation of test criteria . 14
6.2.1 Explosion . 14
6.2.2 Fire . 14
6.2.3 Leakage . 14
6.2.4 Venting . 14
6.3 Intended use . 14
6.3.1 Intended use tests and requirements . 14
6.3.2 Intended use test procedures . 14
6.4 Reasonably foreseeable misuse . 17
6.4.1 Reasonably foreseeable misuse tests and requirements . 17
6.4.2 Reasonably foreseeable misuse test procedures . 17
7 Information for safety . 19
7.1 Precautions during handling of batteries . 19
7.2 Packaging . 21
7.3 Handling of battery cartons . 21
7.4 Display and storage . 21
7.5 Transportation . 22
7.6 Disposal . 22
8 Instructions for use . 22
9 Marking and packaging . 23
9.1 General batteries (see Table 7) . 23
9.2 Marking of small batteries (see Table 7) Swallowable button cells . 23
9.3 Safety pictograms . 23
Annex A (informative) Additional information on display and storage . 25
Annex B (informative) Battery compartment design guidelines . 26

B.1 Background. 26
B.1.1 General . 26
B.1.2 Battery failures resulting from poor battery compartment design . 26
B.1.3 Potential hazards resulting from battery reversal . 26
B.1.4 Potential hazards resulting from a short circuit . 26
B.2 General guidance for appliance design . 27
B.2.1 Key battery factors to be first considered . 27
B.2.2 Other important factors to consider . 27
B.3 Specific measures against reversed installation . 28
B.3.1 General . 28
B.3.2 Design of the positive contact . 28
B.3.3 Design of the negative contact . 28
B.3.4 Design with respect to battery orientation . 29
B.3.5 Dimensional considerations . 29
B.4 Specific measures to prevent short-circuiting of batteries . 31
B.4.1 Measures to prevent short-circuiting due to battery jacket damage . 31
B.4.2 Measures to prevent external short circuit of a battery caused when

coiled spring contacts are employed for battery connection . 32
B.5 Special considerations regarding recessed negative contacts . 34
B.6 Waterproof and non-vented devices . 35
B.7 Other design considerations . 35
Annex C (informative) Safety pictograms . 37
C.1 General . 37
C.2 Pictograms . 37
C.3 Recommendations for use. 39
Annex D (informative) Use of the KEEP OUT OF REACH OF CHILDREN safety sign . 40
D.1 General . 40
D.2 Safety sign . 40
D.3 Best practices for marking the packaging . 40
Annex E (informative) Child resistant packaging . 41
E.1 General . 41
E.1.1 General . 41
E.1.2 Applicability . 41
E.1.3 Packaging design . 41
E.2 Packaging tests . 41
E.2.1 General . 41
E.2.2 Test items . 41
E.2.3 Test procedure . 43
E.2.4 Criteria . 43
Bibliography . 45

Figure 1 – Sampling for type approval tests and number of batteries required . 12
Figure 2 – Temperature cycling procedure . 17
Figure 3 – Circuit diagram for incorrect installation (four batteries in series) . 18
Figure 4 – Circuit diagram for external short circuit . 18
Figure 5 – Circuit diagram for overdischarge . 19
Figure 6 – XYZ axes for free fall . 19
Figure 7 – Ingestion gauge . 20

– 4 – IEC 60086-5:2021 RLV © IEC 2021
Figure B.1 – Example of series connection with one battery reversed . 26
Figure B.2 – Positive contact recessed between ribs. 28
Figure B.3 – Positive contact recessed within surrounding insulation . 28
Figure B.4 – Negative contact U-shaped to ensure no positive (+) battery contact . 28
Figure B.5 – Design with respect to battery orientation
...

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