IEC 60086-4:2025 specifies tests and requirements for primary lithium batteries to ensure their safe operation under intended use and reasonably foreseeable misuse.
This sixth edition cancels and replaces the fifth edition published in 2019. This edition includes the following significant technical changes with respect to the previous edition:
- Added definitions for leakage and venting, in addition to the test criteria;
- Revised overdischarge test;
- Revised marking requirements;
- Revised criteria for the child resistant packaging test;
- Changed the purpose of Annex F from "informative" to "normative";
- Added a new Annex G with additional measures against misuse of batteries not intended for consumer replacement;
- Integrated the contents of Interpretation Sheet 1 (IEC 60086-4:2019/ISH1:2020);
- In Clause 3, terms were reordered according their functions: basic terms, electrochemical systems, battery shapes, battery sizes, electrical characteristics, specifications, safety aspects, failure modes;
- In 6.4.4, the exemption for the shock acceleration for lithium primary batteries was reduced from 12 kg to 4,482 kg in order to reflect the fact that this is the threshold in IEC 62281, Test T-4, where the peak acceleration decreases below 150 gn.

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IEC 60086-4:2025 specifies tests and requirements for primary lithium batteries to ensure their safe operation under intended use and reasonably foreseeable misuse. This sixth edition cancels and replaces the fifth edition published in 2019. This edition includes the following significant technical changes with respect to the previous edition: - Added definitions for leakage and venting, in addition to the test criteria; - Revised overdischarge test; - Revised marking requirements; - Revised criteria for the child resistant packaging test; - Changed the purpose of Annex F from "informative" to "normative"; - Added a new Annex G with additional measures against misuse of batteries not intended for consumer replacement; - Integrated the contents of Interpretation Sheet 1 (IEC 60086-4:2019/ISH1:2020); - In Clause 3, terms were reordered according their functions: basic terms, electrochemical systems, battery shapes, battery sizes, electrical characteristics, specifications, safety aspects, failure modes; - In 6.4.4, the exemption for the shock acceleration for lithium primary batteries was reduced from 12 kg to 4,482 kg in order to reflect the fact that this is the threshold in IEC 62281, Test T-4, where the peak acceleration decreases below 150 gn.

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IEC 60086-4:2025 specifies tests and requirements for primary lithium batteries to ensure their safe operation under intended use and reasonably foreseeable misuse.
This sixth edition cancels and replaces the fifth edition published in 2019. This edition includes the following significant technical changes with respect to the previous edition:
- Added definitions for leakage and venting, in addition to the test criteria;
- Revised overdischarge test;
- Revised marking requirements;
- Revised criteria for the child resistant packaging test;
- Changed the purpose of Annex F from "informative" to "normative";
- Added a new Annex G with additional measures against misuse of batteries not intended for consumer replacement;
- Integrated the contents of Interpretation Sheet 1 (IEC 60086-4:2019/ISH1:2020);
- In Clause 3, terms were reordered according their functions: basic terms, electrochemical systems, battery shapes, battery sizes, electrical characteristics, specifications, safety aspects, failure modes;
- In 6.4.4, the exemption for the shock acceleration for lithium primary batteries was reduced from 12 kg to 4,482 kg in order to reflect the fact that this is the threshold in IEC 62281, Test T-4, where the peak acceleration decreases below 150 gn.

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IEC Corrected version

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IEC Corrected version

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IEC Corrected version

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IEC Corrected version

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IEC Corrected version

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IEC 60086-4:2019 is available as IEC 60086-4:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60086-4:2019 specifies tests and requirements for primary lithium batteries to ensure their safe operation under intended use and reasonably foreseeable misuse. NOTE Primary lithium batteries that are standardized in IEC 60086-2 are expected to meet all applicable requirements herein. It is understood that consideration of this part of IEC 60086 might also be given to measuring and/or ensuring the safety of non-standardized primary lithium batteries. In either case, no claim or warranty is made that compliance or non-compliance with this standard will fulfil or not fulfil any of the user’s particular purposes or needs. This fifth edition cancels and replaces the fourth edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Revised criteria for an explosion; b) Addition of test parameters for the overdischarge test of battery types FR14505 and FR10G445; c) Addition of a new subclause 5.1 Validity of Testing; d) revised pictogram E in Table D.1; e) Addition of Annex E with requirements for child resistant packaging of coin cells; f) Addition of Annex F with recommendations on the use of the KEEP OUT OF REACH OF CHILDREN safety sign. Keywords: lithium batteries The contents of the corrigendum of October 2019 have been included in this copy.

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This International Standard specifies test methods and requirements for primary and secondary (rechargeable) lithium cells and batteries to ensure their safety during transport other than for recycling or disposal. Requirements specified in this document do not apply in those cases where special provisions given in the relevant regulations, listed in 7.3, provide exemptions. NOTE Different standards may apply for lithium-ion traction battery systems used for electrically propelled road vehicles.

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This part of IEC 60086 specifies tests and requirements for primary batteries with aqueous electrolyte to ensure their safe operation under intended use and reasonably foreseeable misuse.

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This part of IEC 60086 specifies tests and requirements for primary batteries with aqueous electrolyte to ensure their safe operation under intended use and reasonably foreseeable misuse.

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IEC 60086-5:2021 specifies tests and requirements for primary batteries with aqueous electrolyte to ensure their safe operation under intended use and reasonably foreseeable misuse.
The contents of the corrigendum of June 2022 have been included in this copy.

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  • Standard
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This document specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used.

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IEC 60086-3:2021 is available as IEC 60086-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60086-3-5:2021 specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used.

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IEC 60086-1:2021 is available as IEC 60086-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60086-1:2021 is intended to standardize primary batteries with respect to dimensions, nomenclature, terminal configurations, markings, test methods, typical performance, safety and environmental aspects. This document on one side specifies requirements for primary cells and batteries. On the other side, this document also specifies procedures of how requirements for these batteries are to be standardised. As a classification tool for primary batteries, this document specifies system letters, electrodes, electrolytes, and nominal as well as maximum open circuit voltage of electrochemical systems. The object of this part of IEC 60086 is to benefit primary battery users, device designers and battery manufacturers by ensuring that batteries from different manufacturers are interchangeable according to standard form, fit and function. Furthermore, to ensure compliance with the above, this part specifies standard test methods for testing primary cells and batteries.

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IEC 60086-2:2021 is applicable to primary batteries which are based on standardised electrochemical systems.
It specifies
– the physical dimensions,
– the discharge test conditions and discharge performance requirements.

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IEC 60086-1:2021 is available as IEC 60086-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60086-1:2021 is intended to standardize primary batteries with respect to dimensions, nomenclature, terminal configurations, markings, test methods, typical performance, safety and environmental aspects. This document on one side specifies requirements for primary cells and batteries. On the other side, this document also specifies procedures of how requirements for these batteries are to be standardised. As a classification tool for primary batteries, this document specifies system letters, electrodes, electrolytes, and nominal as well as maximum open circuit voltage of electrochemical systems. The object of this part of IEC 60086 is to benefit primary battery users, device designers and battery manufacturers by ensuring that batteries from different manufacturers are interchangeable according to standard form, fit and function. Furthermore, to ensure compliance with the above, this part specifies standard test methods for testing primary cells and batteries.

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IEC 60086-3:2021 is available as IEC 60086-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60086-3-5:2021 specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used.

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IEC 60086-2:2021 is applicable to primary batteries which are based on standardised electrochemical systems. It specifies – the physical dimensions, – the discharge test conditions and discharge performance requirements.

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IEC 60086-3-5:2021 specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used.
The contents of the corrigendum of June 2023 have been included in this copy.

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IEC 60086-2:2021 is applicable to primary batteries which are based on standardised electrochemical systems.
It specifies
– the physical dimensions,
– the discharge test conditions and discharge performance requirements.
The contents of the corrigendum of June 2022 have been included in this copy.

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  • Standard
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IEC 60086-1:2021 is intended to standardize primary batteries with respect to dimensions, nomenclature, terminal configurations, markings, test methods, typical performance, safety and environmental aspects. This document on one side specifies requirements for primary cells and batteries. On the other side, this document also specifies procedures of how requirements for these batteries are to be standardised. As a classification tool for primary batteries, this document specifies system letters, electrodes, electrolytes, and nominal as well as maximum open circuit voltage of electrochemical systems. The object of this part of IEC 60086 is to benefit primary battery users, device designers and battery manufacturers by ensuring that batteries from different manufacturers are interchangeable according to standard form, fit and function. Furthermore, to ensure compliance with the above, this part specifies standard test methods for testing primary cells and batteries.
The contents of the corrigendum of June 2022 have been included in this copy.

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IEC 62952-3:2017 specifies requirements and a profile for a power source containing a generic energy harvesting adapter module (GEHAM) used as power source for wireless communication devices (WCD).

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TAN - // IEC Corrigendum

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TAN - // IEC Corrigendum

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IEC 60086-6:2020 applies to all chemistries of portable primary cells and batteries standardized in the 60086 series.
The purpose of this document is to provide guidance on the proper scientific protocols for testing the environmental performance of batteries; the symbols used to convey messages for collection, recycling, or other ideas; and the aspects and functional unit(s) to be included in assessing the environmental impact of batteries with modern life-cycle analysis techniques

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IEC 60086-6:2020 applies to all chemistries of portable primary cells and batteries standardized in the 60086 series. The purpose of this document is to provide guidance on the proper scientific protocols for testing the environmental performance of batteries; the symbols used to convey messages for collection, recycling, or other ideas; and the aspects and functional unit(s) to be included in assessing the environmental impact of batteries with modern life-cycle analysis techniques

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IEC 60086-6:2020 applies to all chemistries of portable primary cells and batteries standardized in the 60086 series.
The purpose of this document is to provide guidance on the proper scientific protocols for testing the environmental performance of batteries; the symbols used to convey messages for collection, recycling, or other ideas; and the aspects and functional unit(s) to be included in assessing the environmental impact of batteries with modern life-cycle analysis techniques

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This part of IEC 60086 specifies tests and requirements for primary lithium batteries to ensure
their safe operation under intended use and reasonably foreseeable misuse.
NOTE Primary lithium batteries that are standardized in IEC 60086-2 are expected to meet all applicable
requirements herein. It is understood that consideration of this part of IEC 60086 might also be given to measuring
and/or ensuring the safety of non-standardized primary lithium batteries. In either case, no claim or warranty is
made that compliance or non-compliance with this standard will fulfil or not fulfil any of the user’s particular
purposes or needs.

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This part of IEC 60086 specifies tests and requirements for primary lithium batteries to ensure
their safe operation under intended use and reasonably foreseeable misuse.
NOTE Primary lithium batteries that are standardized in IEC 60086-2 are expected to meet all applicable
requirements herein. It is understood that consideration of this part of IEC 60086 might also be given to measuring
and/or ensuring the safety of non-standardized primary lithium batteries. In either case, no claim or warranty is
made that compliance or non-compliance with this standard will fulfil or not fulfil any of the user’s particular
purposes or needs.

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IEC 62952-1:2016 specifies the general requirements of power modules for wireless communication devices (WCD). This document includes additional optional specifications to permit use in explosive atmospheres and harsh environments. This International Standard is based on VDI/VDE 2185 Blatt 3.

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IEC 62952-2:2016 specifies a profile for a power module containing batteries used as power source for wireless communication devices.

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