This part of IEC 62660 specifies test procedures and acceptance criteria for safety performance of secondary lithium-ion cells and cell blocks used for propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV).
This document intends to determine the basic safety performance of cells used in a battery pack and system under intended use and reasonably foreseeable misuse or incident, during the normal operation of the EV. The safety requirements of the cell in this document are based on the premise that the cells are properly used in a battery pack and system within the limits for voltage, current and temperature as specified by the cell manufacturer (cell operating region).
The evaluation of the safety of cells during transport and storage is not covered by this document.
NOTE 1 The safety performance requirements for lithium-ion battery packs and systems are defined in ISO 6469-1. The specifications and safety requirements for lithium-ion battery packs and systems of electrically propelled mopeds and motorcycles are defined in ISO 18243. IEC 62619 covers the safety requirements for the lithium-ion cells and batteries for industrial application including, e.g. forklift truck, golf cart, and automated guided vehicle.
NOTE 2 Information on the cell operating region is provided in Annex A.

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IEC 62660-3:2022 is available as IEC 62660-3:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62660-3:2022 specifies test procedures and acceptance criteria for safety performance of secondary lithium-ion cells and cell blocks used for propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This document determines the basic safety performance of cells used in a battery pack and system under intended use and reasonably foreseeable misuse or incident, during the normal operation of the EV. The safety requirements of the cell in this document are based on the premise that the cells are properly used in a battery pack and system within the limits for voltage, current and temperature as specified by the cell manufacturer (cell operating region).

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TC21X working group 3 has been agree to implement following changes to EN 50342-1:2015/1:2018
- Deletion of high current discharge after water consumption test. This is not needed as a dedicated corrosion test is available in the document.
- Limitation of the maximum discharge time in cranking performance test. Batteries with high power capability might be damaged if discharge until the cut off voltage of 6,0 V is reached. To prevent this the maximum discharge time of the second step of the cranking performance test has been limited to 180 s.

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IEC 60095-2:2021 is applicable to lead-acid batteries used for starting, lighting and ignition of passenger cars and light vehicles with a nominal voltage of 12 V.
All batteries in accordance with this document can be fastened to the vehicle either by means of the ledges around the container or by means of a hold-down device engaging with the lid.
This document specifies dimensions of battery for Europe, East Asia and North America.

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IEC TS 61044:2021(E) covers opportunity charging of lead-acid traction batteries, i.e., the use of idle time during a working period to increase the state of charge (SoC) so as to extend the daily working period of a lead-acid traction battery while at the same time avoiding an excessive depth of discharge.
This document specifies requirements for the use of opportunity charging of lead-acid traction batteries of vented and valve regulated types when the battery manufacturer has not provided alternative specific operating procedures.

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IEC 60095-4:2021 is available as IEC 60095-4:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60095-4:2021 is applicable to lead-acid batteries used for starting, lighting and ignition of heavy trucks, commercial vehicles, busses and agricultural trucks. The object of this document is to specify global requirements of the main dimensions of starter batteries for Europe, North America and East Asia. This document comprises 12 types of "preferred types" of batteries. This document specifies dimensions of 4 types of batteries each for Europe (types A, B, C and D2), North America (types 4D, 8D, 31T, 31A) and East Asia (types E41, F51, G51, H52).

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IEC 62485-6:2021 applies to battery installations used for electric off-road vehicles; it does not cover the design of such vehicles.
Examples of the main applications are:
- industrial
• cleaning machines,
• trucks for material handling, for example, lift trucks, tow trucks, automatic guided vehicles,
• electrically propulsed lifting platforms;
- other applications
• electric powered boats and ships.

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This part of IEC 62485 applies to the installation of one or more stationary secondary
batteries having a maximum aggregate DC voltage of 1 500 V to any DC part of the power
network, and describes the principal measures for protections during normal operation or
under expected fault conditions against hazards generated from:
– electricity,
– short-circuits,
– electrolyte,
– gas emission,
– fire,
– explosion.
This document provides requirements on safety aspects associated with the installation, use,
inspection, and maintenance and disposal of lithium ion batteries used in stationary
applications.
This document covers stationary batteries for industrial applications that are installed in
separate closed buildings or housings as well as stationary batteries that are installed in
public buildings, offices and private residences. This document also covers the maintenance
and disposal of lithium ion batteries used in stationary applications.
Batteries containing lithium metal are not covered by this document.
Examples of the main applications are:
– telecommunications,
– power station operation,
– central emergency lighting and alarm systems,
– uninterruptible power supplies (UPS),
– stationary engine starting,
– photovoltaic systems.
In general, the safety requirements for secondary batteries and battery installations – General
safety information and definitions are specified for lead-acid, nickel-cadmium and nickel-metal
hybrid batteries in accordance with IEC 62485-1.

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IEC 62984-1:2020 specifies general aspects, definitions and tests for high-temperature secondary batteries for mobile and/or stationary use and whose nominal voltage does not exceed 1 500 V. This document does not cover aircraft batteries, which are covered by IEC 60952 (all parts), or batteries for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).

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This part of IEC 62984 specifies safety requirements and test procedures for high-temperature
batteries for mobile and/or stationary use and whose rated voltage does not exceed 1 500 V.
This document does not cover aircraft batteries, which are covered by IEC 60952 (all parts),
and batteries for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).
NOTE High-temperature batteries are electrochemical systems whose cells' internal minimum operating
temperature is above 100 °C.

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This document is applicable to lead-acid batteries powering electric two-wheelers (mopeds)
and three-wheelers (e-rickshaws and delivery vehicles), and also to golf cars and similar light
utility and multi-passenger vehicles.
a) operate them most often in an environment with many bystanders who are unaware of the
possible risks involved. The batteries have thus to be eminently reliable, consumer friendly
and minimize risks of fire, explosions, electrical shocks and chemical burns.
These batteries are submitted to frequent and deep discharges with electrical power delivered
to the propulsion system in short surges of high current when accelerating, followed by lower
current levels when at cruising speed. The subsequent charge of the battery can also occur in
areas accessible to the public.
The document specifies methods of tests tailored to batteries destined for the
above-referenced types of vehicles so as to ensure satisfactory and safe battery performance
in the intended application.
This document does not apply for example to lead acid cells and batteries used for:
• vehicle engine starting applications (IEC 60095 series);
• traction applications (IEC 60254 series);
• stationary applications (IEC 60896 series);
• general purpose applications (IEC 61056 series); or to
• motorized wheelchairs and similar personal assist vehicles.

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This document is applicable to lead-acid batteries used for heavy vehicles.
The object of this document is to specify the European requirements of the main dimensions of starter batteries.
For new and future developments of the above applications, it is strongly recommended that only batteries from the “Preferred Types” series be used.
Batteries of the series of “Other Types” exist under several national standards. They have been transferred from the previous standard EN 60095-4.
The preferred types A, B and C are newly introduced and correspond closely to the types D4, D5 and D6 with some differences in tolerances and dimensions.

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This European Standard is applicable to lead-acid batteries used for starting, lighting and ignition of passenger automobiles and light commercial vehicles with a nominal voltage of 12 V.
All batteries in accordance with this European Standard can be fastened to the vehicle either by means of the ledges around the case or by means of a hold-down device engaging with the lid.

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IEC 62485-6:2021 applies to battery installations used for electric off-road vehicles; it does not cover the design of such vehicles.
Examples of the main applications are:
- industrial
• cleaning machines,
• trucks for material handling, for example, lift trucks, tow trucks, automatic guided vehicles,
• electrically propulsed lifting platforms;
- other applications
• electric powered boats and ships.

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IEC 62485-5:2020 applies to the installation of one or more stationary secondary batteries having a maximum aggregate DC voltage of 1 500 V to any DC part of the power network, and describes the principal measures for protections during normal operation or under expected fault conditions against hazards generated from:
– electricity,
– short-circuits,
– electrolyte,
– gas emission,
– fire,
– explosion.
This document provides requirements on safety aspects associated with the installation, use, inspection, and maintenance and disposal of lithium ion batteries used in stationary applications.

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IEC 63193:2020 is applicable to lead-acid batteries powering electric two-wheelers (mopeds) and three-wheelers (e-rickshaws and delivery vehicles), and also to golf cars and similar light utility and multi-passenger vehicles.
The document specifies methods of tests tailored to batteries destined for the above‑referenced types of vehicles so as to ensure satisfactory and safe battery performance in the intended application.
This document does not apply for example to lead-acid cells and batteries used for:
vehicle engine starting applications (IEC 60095 series);
traction applications (IEC 60254 series);
stationary applications (IEC 60896 series);
general purpose applications (IEC 61056 series); or to
motorized wheelchairs and similar personal assist vehicles

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IEC TR 61431:2020 is an informative document relating to aspects of automatic monitor systems as utilized in lead-acid traction battery applications. It lists the characteristics and features that need to be monitored and evaluated to properly assess the operative status of a traction battery. Guidance concerning the accuracy and reliability of the generated information is also provided.

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This part of IEC 62984 specifies performance requirements and test procedures for
hightemperature
batteries based on sodium for mobile and/or stationary use and whose rated
voltage does not exceed 1 500 V.
Sodium based batteries include sodium-sulphur batteries and sodium-nickel chloride batteries;
both are high-temperature batteries and use a solid, sodium conducting electrolyte. Additional
information on sodiumbased
batteries technology, their chemistries and construction are given
in Annex B.
This document does not cover aircraft batteries, covered by IEC 60952 (all parts), and batteries
for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).
NOTE High-temperature batteries are electrochemical systems whose cells' internal minimum operating
temperature is above 100 °C.

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IEC 62984-3:2020 specifies performance requirements and test procedures for high­-temperature batteries based on sodium for mobile and/or stationary use and whose rated voltage does not exceed 1 500 V.
Sodium based batteries include sodium-sulphur batteries and sodium-nickel chloride batteries; both are high-temperature batteries and use a solid, sodium conducting electrolyte. Additional information on sodium-based batteries technology, their chemistries and construction are given in Annex B.
This document does not cover aircraft batteries, covered by IEC 60952 (all parts), and batteries for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).

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IEC 62984-2:2020 specifies safety requirements and test procedures for high-temperature batteries for mobile and/or stationary use and whose rated voltage does not exceed 1 500 V.
This document does not cover aircraft batteries, which are covered by IEC 60952 (all parts), and batteries for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).

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IEC 62984-1:2020 specifies general aspects, definitions and tests for high-temperature secondary batteries for mobile and/or stationary use and whose nominal voltage does not exceed 1 500 V.
This document does not cover aircraft batteries, which are covered by IEC 60952 (all parts), or batteries for the propulsion of electric road vehicles, covered by IEC 61982 (all parts).

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This document is applicable to lead-acid batteries used for starting, lighting and ignition of passenger automobiles and light commercial vehicles with a nominal voltage of 12 V. All batteries in accordance with this document can be fastened to the vehicle either by means of the ledges around the case or by means of a hold-down device engaging with the lid.

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IEC 60095-7:2019 is applicable to lead-acid batteries used primarily as a power source for the starting of internal combustion engines, lighting and ignition (SLI) of motorcycles and other power sport vehicles. The nominal voltage is 12 V or 6 V.
Test definitions and criteria in this document are for batteries with a nominal voltage of 12 V only. For batteries with a nominal voltage of 6 V, all voltages have to be divided by two.
The other power sports vehicles covered in this document are snowmobiles, personal water crafts and all-terrain vehicles.
This document is not applicable to batteries for other purposes, such as the back-up power sources, auxiliary equipment of internal combustion engine vehicles and e-bikes.
This document specifies:
• general requirements;
• size, essential functional characteristics, relevant test methods and results required.

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IEC 60095-6:2019 is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as power source for the starting of internal combustion engines (ICE), lighting and also for auxiliary equipment of ICE vehicles. These batteries are commonly called "starter batteries".
The batteries within the scope of this document are used for micro-cycle applications in vehicles which can also be called start-stop (or stop-start, idling-stop system, micro-hybrid or idle-stop-and-go) applications. In cars with this special capability, the internal combustion engine is switched off during a complete vehicle stop, during idling with low speed or during idling where there is no need to support the vehicle movement by the internal combustion engine. During the phases in which the engine is switched off, most of the electric and electronic components of the car are supplied by the battery without support of the alternator. In addition, in most cases an additional regenerative braking (recuperation or regeneration of braking energy) function is installed. The batteries under these applications are stressed in a completely different way compared to classical starter batteries. Aside from these additional properties, these batteries need to crank the ICE and support the lighting and also auxiliary functions in a standard operating mode with the support of the alternator when the internal combustion engine is switched on. All batteries within this scope fulfil basic functions, which are tested under the application of IEC 60095-1.
This document specifies the general requirements and methods of test specific to lead-acid batteries used for micro-cycle applications.
This document is applicable to batteries for the following purposes:
• lead-acid batteries of the dimensions according to IEC 60095­2 for vehicles with the capability to automatically switch off the ICE during vehicle operation either in standstill or when moving ("start-stop");
• lead-acid batteries of the dimensions according to IEC 60095­2 for vehicles with start­stop applications with the capability to recover braking energy or energy from other sources.
Li-ion technology is excluded from this document.

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This part of IEC 62660 specifies test procedures to observe the reliability and abuse
behaviour of secondary lithium-ion cells and cell blocks used for propulsion of electric
vehicles including battery electric vehicles (BEV) and hybrid electric vehicles (HEV).
NOTE 1 Secondary lithium-ion cells used for propulsion of plug-in hybrid electric vehicles (PHEV) can be tested
by the procedure either for BEV application or HEV application, according to the battery system design, based on
the agreement between the cell manufacturer and the customer.
This document specifies the standard test procedures and conditions for basic characteristics
of lithium-ion cells for use in propulsion of battery and hybrid electric vehicles. The tests are
indispensable for obtaining essential data on reliability and abuse behaviour of lithium-ion
cells for use in various designs of battery systems and battery packs.
This document provides standard classification of description of test results to be used for the
design of battery systems or battery packs.
NOTE 2 Cell blocks can be used as an alternative to cells according to the agreement between the cell
manufacturer and the customer.
NOTE 3 The safety requirements of lithium-ion cells for electric vehicle application are defined in IEC 62660-3 [3].

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This part of IEC 62660 specifies performance and life testing of secondary lithium-ion cells
used for propulsion of electric vehicles including battery electric vehicles (BEV) and hybrid
electric vehicles (HEV).
NOTE 1 Secondary lithium-ion cell used for propulsion of plug-in hybrid electric vehicle (PHEV) can be tested by
the procedure either for BEV application or HEV application, according to the battery system design, based on the
agreement between the cell manufacturer and the customer.
This document specifies the test procedures to obtain the essential characteristics of lithiumion
cells for vehicle propulsion applications regarding capacity, power density, energy density,
storage life and cycle life.
This document provides the standard test procedures and conditions for testing basic
performance characteristics of lithium-ion cells for vehicle propulsion applications, which are
indispensable for securing a basic level of performance and obtaining essential data on cells
for various designs of battery systems and battery packs.
NOTE 2 Based on the agreement between the cell manufacturer and the customer, specific test conditions can be
selected in addition to the conditions specified in this document. Selective test conditions are described in Annex A.
NOTE 3 The performance tests for the electrically connected lithium-ion cells can be performed with reference to
this document.
NOTE 4 The test specification for lithium-ion battery packs and systems is defined in ISO 12405-4 [1].

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This document specifies methods for the clear identification of secondary cells, batteries, battery modules and monoblocs according to their chemistry (electrochemical storage technology). The markings described in this document are applicable for secondary cells, batteries, battery modules and monoblocs with a volume of more than 900 cm3. The marking of the chemistry is useful for the installation, operation and decommissioning phases of battery life. Many recycling processes are chemistry specific, thus undesired events can occur when a battery which is not of the appropriate chemistry enters a given recycling process. In order to ensure safe handling during sorting and recycling processes, therefore, the battery is marked so as to identify its chemistry. This document defines the conditions of utilization of the markings indicating the chemistry of these secondary batteries. The details of markings and their application are defined in this document. NOTE Nothing in this document precludes the marking of batteries with recycling and chemistry symbols required by state, federal, national or regional laws or regulations or with a seal under license by a national recycling program.

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This European Standard is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as a power source for the starting of internal combustion engines, lighting and also for auxiliary equipment of internal combustion engine vehicles. These batteries are commonly called "starter batteries". Batteries with a nominal voltage of 6 V are also included within the scope of this standard. All referenced voltages need to be divided by two for 6 V batteries.
This European Standard is applicable to batteries for the following purposes:
- batteries for passenger cars,
- batteries for commercial and industrial vehicles.
This European Standard is not applicable to batteries for other purposes, for example the starting of railcar internal combustion engines or for motorcycles.

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This European Standard is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as power source for the starting of internal combustion engines (ICE), lighting and also for auxiliary equipment of ICE vehicles. These batteries are commonly called "starter batteries". Batteries with a nominal voltage of 6 V are also included in the scope of this standard. All referenced voltages need to be divided by two for 6 V batteries. The batteries under scope of this standard are used for micro-cycle applications in vehicles which can also be called Start-Stop (or Stop-Start, idling-stop system, micro-hybrid or idle-stop-and-go) applications. In cars with this special capability, the internal combustion engine is switched off during a complete vehicle stop, during idling with low speed or during idling without the need of supporting the vehicle movement by the internal combustion engine. During the phases in which the engine is switched off, most of the electric and electronic components of the car need to be supplied by the battery without support of the alternator. In addition, in most cases an additional regenerative braking (recuperation or regeneration of braking energy) function is installed. The batteries under these applications are stressed in a completely different way compared to classical starter batteries. Aside of these additional properties, those batteries need to crank the ICE and support the lighting and also auxiliary functions in a standard operating mode with support of the alternator when the internal combustion engine is switched on. All batteries under this scope need to fulfil basic functions, which are tested under application of EN 50342-1:2015.
This European Standard is applicable to batteries for the following purposes:
- Lead-acid batteries of the dimensions according to EN 50342-2 for vehicles with the capability to automatically switch off the ICE during vehicle operation either in standstill or moving ("Start-Stop");
- Lead-acid batteries of the dimensions according to EN 50342-2 for vehicles with Start-Stop applications with the capability to recover braking energy or energy from other sources.
This standard is not applicable to batteries for purposes other than mentioned above, but it is applicable to EFB delivered in dry-charged conditions according to EN 50342-1:2015, Clause 7.

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IEC 62660-1:2018 is available as IEC 62660-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62660-1:2018 specifies performance and life testing of secondary lithium-ion cells used for propulsion of electric vehicles including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This document specifies the test procedures to obtain the essential characteristics of lithium-ion cells for vehicle propulsion applications regarding capacity, power density, energy density, storage life and cycle life. This document provides the standard test procedures and conditions for testing basic performance characteristics of lithium-ion cells for vehicle propulsion applications, which are indispensable for securing a basic level of performance and obtaining essential data on cells for various designs of battery systems and battery packs. IEC 62660-1:2018 cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The purpose of each test has been added. b) The power test has been revised for clarification, and an informative part of the current-voltage characteristic test has been moved to the new Annex C.

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This part of IEC 62660 specifies test procedures to observe the reliability and abuse behaviour of secondary lithium-ion cells and cell blocks used for propulsion of electric vehicles including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). NOTE 1 Secondary lithium-ion cells used for propulsion of plug-in hybrid electric vehicles (PHEV) can be tested by the procedure either for BEV application or HEV application, according to the battery system design, based on the agreement between the cell manufacturer and the customer. This document specifies the standard test procedures and conditions for basic characteristics of lithium-ion cells for use in propulsion of battery and hybrid electric vehicles. The tests are indispensable for obtaining essential data on reliability and abuse behaviour of lithium-ion cells for use in various designs of battery systems and battery packs. This document provides standard classification of description of test results to be used for the design of battery systems or battery packs. NOTE 2 Cell blocks can be used as an alternative to cells according to the agreement between the cell manufacturer and the customer. NOTE 3 The safety requirements of lithium-ion cells for electric vehicle application are defined in IEC 62660-3 [3].

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IEC 62902:2019 specifies methods for the clear identification of secondary cells, batteries, battery modules and monoblocs according to their chemistry (electrochemical storage technology).
The markings described in this document are applicable for secondary cells, batteries, battery modules and monoblocs with a volume of more than 900 cm3.
The marking of the chemistry is useful for the installation, operation and decommissioning phases of battery life.
Many recycling processes are chemistry specific, thus undesired events can occur when a battery which is not of the appropriate chemistry enters a given recycling process. In order to ensure safe handling during sorting and recycling processes, therefore, the battery is marked so as to identify its chemistry.
IEC 62902:2019 defines the conditions of utilization of the markings indicating the chemistry of these secondary batteries.
The details of markings and their application are defined in this document.

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IEC 62660-1:2018 is available as IEC 62660-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62660-1:2018 specifies performance and life testing of secondary lithium-ion cells used for propulsion of electric vehicles including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This document specifies the test procedures to obtain the essential characteristics of lithium-ion cells for vehicle propulsion applications regarding capacity, power density, energy density, storage life and cycle life. This document provides the standard test procedures and conditions for testing basic performance characteristics of lithium-ion cells for vehicle propulsion applications, which are indispensable for securing a basic level of performance and obtaining essential data on cells for various designs of battery systems and battery packs. IEC 62660-1:2018 cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) The purpose of each test has been added.
b) The power test has been revised for clarification, and an informative part of the current-voltage characteristic test has been moved to the new Annex C.

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IEC 62660-2:2018 is available as IEC 62660-2:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62660-2:2018 specifies test procedures to observe the reliability and abuse behaviour of secondary lithium-ion cells and cell blocks used for propulsion of electric vehicles including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This document specifies the standard test procedures and conditions for basic characteristics of lithium-ion cells for use in propulsion of battery and hybrid electric vehicles. The tests are indispensable for obtaining essential data on reliability and abuse behaviour of lithium-ion cells for use in various designs of battery systems and battery packs. This document provides standard classification of description of test results to be used for the design of battery systems or battery packs. IEC 62660-2:2018 cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) The procedure of forced discharge test has been clarified (6.4.3.2).
b) "Cell block" has been added to the scope (Clause 1).
c) Option of temperature cycling test with electrical operation has been deleted (6.3.2).
d) The test conditions for overcharge test have been revised (6.4.2.2).

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This European Standard is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as a power source for the starting of internal combustion engines, lighting and also for auxiliary equipment of internal combustion engine vehicles. These batteries are commonly called “starter batteries”. Batteries with a nominal voltage of 6 V are also included within the scope of this standard. All referenced voltages need to be divided by two for 6 V batteries. This European Standard is applicable to batteries for the following purposes: − batteries for passenger cars, − batteries for commercial and industrial vehicles. This European Standard is not applicable to batteries for other purposes, for example the starting of railcar internal combustion engines or for motorcycles.

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This European Standard is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as power source for the starting of internal combustion engines (ICE), lighting and also for auxiliary equipment of ICE vehicles. These batteries are commonly called “starter batteries”. Batteries with a nominal voltage of 6 V are also included in the scope of this standard. All referenced voltages need to be divided by two for 6 V batteries. The batteries under scope of this standard are used for micro-cycle applications in vehicles which can also be called Start-Stop (or Stop-Start, idling-stop system, micro-hybrid or idle-stop-and-go) applications. In cars with this special capability, the internal combustion engine is switched off during a complete vehicle stop, during idling with low speed or during idling without the need of supporting the vehicle movement by the internal combustion engine. During the phases in which the engine is switched off, most of the electric and electronic components of the car need to be supplied by the battery without support of the alternator. In addition, in most cases an additional regenerative braking (recuperation or regeneration of braking energy) function is installed. The batteries under these applications are stressed in a completely different way compared to classical starter batteries. Aside of these additional properties, those batteries need to crank the ICE and support the lighting and also auxiliary functions in a standard operating mode with support of the alternator when the internal combustion engine is switched on. All batteries under this scope need to fulfil basic functions, which are tested under application of EN 50342-1:2015. This European Standard is applicable to batteries for the following purposes: • Lead-acid batteries of the dimensions according to EN 50342-2 for vehicles with the capability to automatically switch off the ICE during vehicle operation either in standstill or moving (“Start-Stop”); • Lead-acid batteries of the dimensions according to EN 50342-2 for vehicles with Start-Stop applications with the capability to recover braking energy or energy from other sources. This standard is not applicable to batteries for purposes other than mentioned above, but it is applicable to EFB delivered in dry-charged conditions according to EN 50342-1:2015, Clause 7. NOTE The applicability of this standard also for batteries according to EN 50342-4 is under consideration.

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IEC 60095-1:2018 is available as IEC 60095-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60095-1:2018 is applicable to lead-acid batteries with a nominal voltage of 12 V, used primarily as a power source for the starting of internal combustion engines, lighting, and for auxiliary equipment of internal combustion engine vehicles. These batteries are commonly called "starter batteries".
This document is applicable to batteries for the following purposes:
• batteries for passenger cars;
• batteries for commercial and industrial vehicles.
IEC 60095-1:2018 is not applicable to batteries for other purposes, such as the starting of railcar internal combustion engines or for motorcycles and other power sport vehicles. IEC 60095-1:2018 defines many general properties of lead-acid batteries. Single sections can be referenced in other parts of the IEC 60095 series even if the application is excluded in the scope of this document. This document specifies the:
• general requirements;
• essential functional characteristics, relevant test methods and results required,
for several classes of starter batteries:
• according to the general type of application;
• according to the type of product.
IEC 60095-1:2018 cancels and replaces the seventh edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) charge acceptance test;
b) cranking performance test;
c) charge retention test; and
d) endurance test added.

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This Part of IEC 62485 specifies the basic requirements for secondary batteries and battery
installations.
The requirements regarding safety, reliability, life expectancy, mechanical strength, cycle
stability, internal resistance, and battery temperature, are determined by various applications,
and this, in turn, determines the selection of the battery design and technology.
In general, the requirements and definitions are specified for lead-acid and nickel-cadmium
batteries. For other battery systems with aqueous electrolyte, the requirements may be
applied accordingly.
The standard covers safety aspects taking into account hazards associated with:
– electricity (installation, charging, discharging, etc.);
– electrolyte;
– inflammable gas mixtures;
– storage and transportation.
With respect to electrical safety, reference is made to IEC 60364-4-41.

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This part of the IEC 62485 applies to stationary secondary batteries and battery installations
with a maximum voltage of DC 1 500 V (nominal) and describes the principal measures for
protections against hazards generated from:
– electricity,
– gas emission,
– electrolyte.
This International Standard provides requirements on safety aspects associated with the
erection, use, inspection, maintenance and disposal.
It covers lead-acid and NiCd / NiMH batteries.
Examples for the main applications are:
– telecommunications,
– power station operation,
– central emergency lighting and alarm systems,
– uninterruptible power supplies,
– stationary engine starting,
– photovoltaic systems.

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This Part of IEC 62485 applies to the safety aspects associated with the accommodation, the
arrangements of circuits and the operation of secondary valve-regulated lead-acid cells and
batteries in portable appliances. Requirements are specified which oblige the manufacturers
of appliances and secondary batteries to prevent the misuse of batteries in the course of
operation to provide protective measures avoiding injury to persons in case of battery failure
and to provide sufficient information to users.
This standard does not apply to secondary cells and batteries containing alkaline or other
non-acid electrolytes.

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IEC 62485-2:2010 applies to stationary secondary batteries and battery installations with a maximum voltage of DC 1 500 V (nominal) and describes the principal measures for protections against hazards generated from: - electricity, - gas emission, - electrolyte. This International Standard provides requirements on safety aspects associated with the erection, use, inspection, maintenance and disposal. It covers lead-acid and NiCd/NiMH batteries.

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IEC 62485-1:2015 specifies the basic requirements for secondary batteries and battery installations. The requirements regarding safety, reliability, life expectancy, mechanical strength, cycle stability, internal resistance, and battery temperature, are determined by various applications, and this, in turn, determines the selection of the battery design and technology. In general, the requirements and definitions are specified for lead-acid and nickel-cadmium batteries. For other battery systems with aqueous electrolyte, the requirements may be applied accordingly. The standard covers safety aspects taking into account hazards associated with: - electricity (installation, charging, discharging, etc.); - electrolyte; - inflammable gas mixtures; - storage and transportation.

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IEC 62485-4:2015 applies to the safety aspects associated with the accommodation, the arrangements of circuits and the operation of secondary valve-regulated lead-acid cells and batteries in portable appliances. Requirements are specified which oblige the manufacturers of appliances and secondary batteries to prevent the misuse of batteries in the course of operation to provide protective measures avoiding injury to persons in case of battery failure and to provide sufficient information to users. This standard does not apply to secondary cells and batteries containing alkaline or other non-acid electrolytes. This first edition cancels and replaces the first edition of IEC TR 61056-3 published in 1991. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the IEC TR 61056-3: a) updating of the requirements, and harmonisation of the text for consistency with the IEC 62485 series.

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IEC TR 62660-4:2017(E) provides the test data on the candidate alternative test methods for the internal short circuit test according to 6.4.4.2.2 of IEC 62660-3:2016. The internal short circuit test in this document is intended to simulate an internal short circuit of a cell caused by the contamination of conductive particle, and to verify the safety performance of the cell under such conditions.
This document is applicable to the secondary lithium-ion cells and cell blocks used for propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV).
This document does not cover cylindrical cells.

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IEC 62660-3:2016 specifies test procedures and the acceptance criteria for safety performance of secondary lithium-ion cells and cell blocks used for the propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This International Standard intends to determine the basic safety performance of cells used in a battery pack and system under intended use, and reasonably foreseeable misuse or incident, during the normal operation of the EV. The safety requirements of the cell in this standard are based on the premise that the cells are properly used in a battery pack and system within the limits for voltage, current and temperature as specified by the cell manufacturer (cell operating region). The evaluation of the safety of cells during transport and storage is not covered by this standard.

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IEC 62660-3:2016 specifies test procedures and the acceptance criteria for safety performance of secondary lithium-ion cells and cell blocks used for the propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This International Standard intends to determine the basic safety performance of cells used in a battery pack and system under intended use, and reasonably foreseeable misuse or incident, during the normal operation of the EV. The safety requirements of the cell in this standard are based on the premise that the cells are properly used in a battery pack and system within the limits for voltage, current and temperature as specified by the cell manufacturer (cell operating region). The evaluation of the safety of cells during transport and storage is not covered by this standard.

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This part of IEC 62877 applies to water for use with vented lead-acid cells and batteries, i.e.
water for preparation of electrolyte and for topping up cells or batteries.
The purity of refilling water has to meet higher requirements compared to filling electrolyte,
because the impurities in the operating electrolyte will be gradually increased by regular
addition of water.
This international standard lays down requirements of the composition, purity and properties
of water in the absence of specific recommendations from the manufacturer.

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