MT 14 - TC 35/MT 14

IEC 60086-2-1:2026 is applicable to primary batteries which are based on standardised electrochemical systems using aqueous electrolytes.
It specifies:
- the physical dimensions,
- the discharge test conditions and discharge performance requirements.
IEC 60086-2-1: 2026 cancels and replaces the fourteenth edition of IEC 60086 2 published in 2021. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) separation of lithium batteries into IEC 60086-2-2: Physical and electrical specifications;
b) in Clause 3, terms were reordered according to their functions: electrochemical systems, electrical characteristics and specifications;
c) TR03 and TR6 were added in Category 1, Round batteries;
d) load of digital audio test for LR03, TR03 and R03 was changed from 50 mA to 75 mA and MAD was modified;
e) personal grooming test of LR6 was added instead of high drain application test;
f) high drain application test was added for TR6;
g) radio /clock /remote control test was added for R6S;
h) CD, digital audio, wireless gaming and accessories test was removed for LR6, R6P and R6S;
i) 4,5 V of common designation was added for 3LR12, 3R12P and 3R12S;
j) Annex D for common designation of IEC 60086 2:2021 was moved to IEC 60086 1:2026, as Annex H;
k) Annex E for Compliance checklist of IEC 60086 2:2021 was removed and merged into Annex J of IEC 60086 1:2026.

IEC 60086-2-2:2026 is applicable to primary batteries which are based on standardised lithium (non-aqueous) electrochemical systems.
It specifies:
- the physical dimensions,
- the discharge test conditions and discharge performance requirements.
This first edition cancels and replaces the fourteenth edition of IEC 60086-2 published in 2021. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) separation of batteries with aqueous electrolyte into a separate Part 2-1: Physical and electrical specifications;
b) maximum open circuit voltage of FR10G445 and FR14505 was changed from 1,83 to 1,90 V;
c) load of digital audio test for FR10G445 was changed from 50 mA to 75 mA and MAD was modified;
d) portable lighting test was added for FR10G445;
e) motor/toy and radio /clock /remote control test was added for FR14505;
f) in Clause 3, terms were reordered according their functions: electrochemical systems, electrochemical systems, electrical characteristics and specifications;
g) Annex D for common designation of IEC 60086 2:2021 was moved to IEC 60086 1:2026, as Annex H;
h) Annex E for Compliance checklist of IEC 60086 2:2021 was removed and merged into Annex J of IEC 60086 1:2026.

IEC 60086-1:2026 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 standardized. 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 document specifies standard test methods for testing primary cells and batteries. This document also contains requirements in Annex A of this document justifying the inclusion or the ongoing retention of batteries in the IEC 60086 series. This fourteenth edition cancels and replaces the thirteenth edition published in 2021. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) In Clause 3, terms were reordered according to their functions: basic terms, electrochemical systems, battery shapes, electrical characteristics, specifications, failure modes;
b) New letter "T" was added in Table 1, Standardized electrochemical systems of 4.1.4 classification;
c) Maximum open circuit voltage of letter "F" was changed from 1,83 to 1,90 V;
d) Drawing of pulse tests with multiple load was moved from IEC 60086-2 to 5.2.2.2, Application tests with multiple loads;
e) Annex F, Guidance for proposing value of minimum average duration was modified;
f) Annex D of IEC 60086-2:2021, Common designation, has been transferred to Annex H of this document;
g) Table H.1, Common designation index, was modified to provide reference to IEC 60086 2 1 and IEC 60086-2-2 for each battery;
h) Annex I identifies the batteries of general use and the applicable tests to compare their performance, in support of Regulation (EU) 2023/1542 (Batteries Regulation).

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.

IEC 60086-2:2015 is applicable to primary batteries based on standardized electrochemical systems. It specifies the physical dimensions, the discharge test conditions and discharge performance requirements. This thirteenth edition cancels and replaces the twelfth edition (2011) and constitutes a technical revision. Significant changes from the previous edition are test changes to battery types R03, LR03, R6, LR6, PR70, PR41, PR48, 6F22, 6LR61, 6LP3146 4LR25-2, R14, LR14, R20, LR20, CR2025, and CR2032, adding the 5AR40 back into the standard, addition of common designations, addition of two new battery types FR14505 and FR10G445, deletion of battery types LR53, R40, 2EP3863, 6F100, and general editorial changes. Keywords: primary batteries, electrochemical systems

IEC 60086-1:2015 is intended to standardize primary batteries with respect to dimensions, nomenclature, terminal configurations, markings, test methods, typical performance, safety and environmental aspects. As a primary battery classification tool, electrochemical systems are also standardized with respect to system letter, electrodes, electrolyte, nominal and maximum open circuit voltage. 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. This twelfth edition cancels and replaces the eleventh edition (2011) and constitutes a technical revision. The major technical changes with respect to the previous edition are:
- the order of the Annexes was changed to the order in which they appearin the document and a caption was added to indicate where the Annex information first appears in the document;
- the humidity conditions for non P-system batteries in Table 3 was modified;
- the standard discharge voltage for the Y and W chemistries was determined to be at 3,5 V and 2,8 V respectively;
- details on capacity measurement were moved from Annex E to Subclause 5.1.
- the coin/button cell and battery definition was clarified in order to better address issues with the swallowing of coin cells. Keywords: fundamental requirements and information on primary cells and batteries

IEC 60086-2:2011 is applicable to primary batteries based on standardized electrochemical systems. It specifies the physical dimensions; and the discharge test conditions and discharge performance requirements. Significant changes from the previous edition are the deletion of eight battery types from this standard, the addition of an air hole placement diagram and deletion of the resistive hearing aid tests for the P-system (zinc air) hearing aid batteries, standardization of a new form of alkaline (L-system) 9 volt battery (6LP3146), addition of a common designation reference as Annex D and general adjustment of application tests and their minimum average duration values to reflect changes in battery usage.

IEC 60086 standardizes primary batteries with respect to their electrochemical system, dimensions, nomenclature, terminal configurations, markings, test methods, typical performance, safety and environmental aspects. The major technical changes concern the addition of "Test condition tolerances" in 6.6 and the standardization of the "Z" electrochemical system (Nickel oxyhydroxide) included in Table 3.

This part of IEC 60086 is applicable to primary batteries based on standardized electrochemical systems. It specifies the physical dimensions, and the discharge test conditions and discharge performance requirements. The major technical changes are the addition of a "digital still camera test" for the LR6 battery, the reduction, for selected no letter batteries, from three grades (S, C and P) to two grades (S and P) with appropriate adjustments to MAD values, the deletion of the 3,6 ohm pulse test for the R03 battery, and the addition of new constant current hearing aid tests (standard and high drain) for the PR41, PR44, PR48 and PR70 batteries.

Applicable to primary batteries based on standardized electrochemical systems, it specifies the physical dimensions, the discharge test conditions, and the discharge performance requirements.

CORRECTED VERSION 2026-03

CORRECTED VERSION 2026-03
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 corrigenda 1 (2022-06) and 2 (2026-03) have been included in this copy.