GB/T 8897.2-2021 Primary batteries—Part 2: Physical and electrical specifications
GB/T 8897 consists of the following five parts, under the general title Primary Batteries:
— Part 1: General;
— Part 2: Physical and Electrical Specifications;
— Part 3: Watch Batteries;
— Part 4: Safety of Lithium Batteries;
— Part 5: Safety of Batteries with Aqueous Electrolyte.
This part is Part 2 of GB/T 8897.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 8897.2-2013 Primary Batteries — Part 2: Physical and Electrical Specifications in whole, and the major technical changes have been made with respect to the GB/T 8897.2-2013:
— the minimum diameter of R03 is modified from 9.5 mm to 9.8 mm (see 6.1.5; 6.1.1.1 of Edition 2013);
— partial test items of electrical specifications of LR20, R20P, R20S, LR14, R14P, R14S, LR6, LR03, R6P, R6S, R03, CR2025, CR2032 batteries are deleted, modified and added (see 6.1.2, 6.1.3, 6.1.4, 6.1.5 and 6.4.6);
— common designation of batteries is added to the list of requirements for external dimensions and specifications of various batteries (see Clause 6);
— 5AR40 batteries is added back to the standard; two new designations of FR14505 and FR10G445 batteries are added; LR53, R40, 2EP3863 and 6F100 batteries are deleted (see 6.5.2, 6.1.4 and 6.1.5).
This part was proposed by China National Light Industry Council.
This part is under the jurisdiction of National Technical Committee 176 on Primary Cells and Batteries of Standardization Administration of China (SAC/TC 176).
The previous editions of this part are as follows:
— GB/T 7112-1986, GB/T 7112-1994, GB/T 7112-1998;
— GB 8897.2-2005, GB/T 8897.2-2008, GB/T 8897.2-2013.
Primary Batteries — Part 2: Physical and Electrical Specifications
1 Scope
This part of GB/T 8897 specifies the dimension symbols, composition and description of specifications classification table, external dimensions and electrical specifications, test methods, sampling and quality assurance and marking of primary batteries.
This part is applicable to primary batteries which are based on standardized electrochemical systems.
Note: Inspection rules are detailed in Annex A.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1182 Geometrical Product Specifications (GPS) — Geometrical Tolerancing — Tolerances of Form, Orientation, Location and Run-out (GB/T 1182-2018, ISO 1101:2017, MOD)
GB/T 8897.1-2021 Primary Batteries — Part 1: General (IEC 60086-1:2015, MOD)
3 Terms, Definitions, Symbols and Abbreviated Terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 8897.1-2021 and the following apply.
3.1.1
application test
simulation of the actual use of a battery in a specific application
3.1.2
end-point voltage; EV
specified voltage of a battery at which the battery discharge is terminated
[IEC 60050-482:2004, definition 482-03-30]
3.1.3
minimum average duration; MAD
minimum average time on discharge which is met by a sample of batteries
Note: The discharge test is carried out according to the specified methods or standards and designed to show conformity with the standard applicable to the battery types.
3.1.4
nominal voltage (of a primary battery)
Un
suitable approximate value of the voltage used to designate or identify a cell, a battery or an electrochemical system
3.1.5
open-circuit voltage; OCV
voltage across the terminals of a cell or battery when it is off discharge
3.1.6
primary (cell or battery)
cell or battery that is not designed to be electrically recharged
3.1.7
round (cell or battery)
cell or battery with circular cross section
3.1.8
service output (of a primary battery)
service life, or capacity, or energy output of a battery under specified conditions of discharge
3.1.9
service output test
test designed to measure the service output of a battery
Note: A service output test may be prescribed, for example, when
a) an application test is too complex to replicate;
b) the duration of an application test would make it impractical for routine testing purposes.
3.1.10
storage life
duration under specified conditions at the end of which a battery retains its ability to perform a specified service output
Note: IEC 60050-482:2004, definition 482-03-47, modified.
3.1.11
terminals (of a primary battery)
conductive parts of a battery that provide connection to an external circuit
3.2 Symbols and abbreviated terms
For the purposes of this document, the following symbols and abbreviated terms apply.
EV: End-point Voltage
MAD: Minimum Average Duration
OCV: Open-Circuit Voltage (Off-load Voltage)
CCV: closed-circuit voltage (on-load voltage)
R: Load Resistance
4 Battery Dimensions, Symbols
The symbols used to denote the various dimensions are as follows:
d1: maximum and minimum diameters of the battery;
d2: minimum diameter of the flat positive contact;
d3: maximum diameter of the positive contact within the specified projection height;
d4: minimum diameter of the flat negative contact;
d5: maximum diameter of the negative contact within the specified projection height;
d6: minimum outer diameter of the negative flat contact surface;
d7: maximum inner diameter of the negative flat contact surface;
h1: maximum overall height of the battery;
h2: minimum distance between the flats of the positive and negative contacts;
h3: minimum projection of the flat positive contact;
h4: maximum recess of the negative flat contact surface;
h5: minimum projection of the flat negative contact;
ϕP: concentricity of the positive contact.
Recesses are permitted in the negative flat contact surface defined by dimensions d6 and d6 for batteries having the shape shown in Figure 1 a), provided that batteries placed end to end in series make electrical contact with each other and that the contact separation is an integral multiple of the contact separation for one battery. The following conditions shall be satisfied:
d6 > d3
d2 > d 7
h3 > h4
5 Constitution of the Battery Specification Tables
5.1 Description of category table
5.1.1 Batteries are categorized into several groups according to their shapes.
5.1.2 In each category, batteries having the same shape but belonging to a different electrochemical system are grouped together and shown in succession.
5.1.3 Batteries are always listed in ascending order of nominal voltage and, within each nominal voltage, in ascending order of volume.
5.1.4 One common shape drawing of these batteries which fall in the same group is exhibited.
Foreword II
1 Scope
2 Normative References
3 Terms, Definitions, Symbols and Abbreviated Terms
4 Battery Dimensions, Symbols
5 Constitution of the Battery Specification Tables
6 Physical and Electrical Specifications
7 Test Methods
8 Sampling and Quality Assurance
9 Marking
Annex A (Normative) Inspection Rules
Annex B (Informative) Tabulation of Batteries by Application
Annex C (Informative) Cross-reference index
Annex D (Informative) Index
Annex E (Informative) Common Designation
Bibliography
GB/T 8897.2-2021 Primary batteries—Part 2: Physical and electrical specifications
GB/T 8897 consists of the following five parts, under the general title Primary Batteries:
— Part 1: General;
— Part 2: Physical and Electrical Specifications;
— Part 3: Watch Batteries;
— Part 4: Safety of Lithium Batteries;
— Part 5: Safety of Batteries with Aqueous Electrolyte.
This part is Part 2 of GB/T 8897.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 8897.2-2013 Primary Batteries — Part 2: Physical and Electrical Specifications in whole, and the major technical changes have been made with respect to the GB/T 8897.2-2013:
— the minimum diameter of R03 is modified from 9.5 mm to 9.8 mm (see 6.1.5; 6.1.1.1 of Edition 2013);
— partial test items of electrical specifications of LR20, R20P, R20S, LR14, R14P, R14S, LR6, LR03, R6P, R6S, R03, CR2025, CR2032 batteries are deleted, modified and added (see 6.1.2, 6.1.3, 6.1.4, 6.1.5 and 6.4.6);
— common designation of batteries is added to the list of requirements for external dimensions and specifications of various batteries (see Clause 6);
— 5AR40 batteries is added back to the standard; two new designations of FR14505 and FR10G445 batteries are added; LR53, R40, 2EP3863 and 6F100 batteries are deleted (see 6.5.2, 6.1.4 and 6.1.5).
This part was proposed by China National Light Industry Council.
This part is under the jurisdiction of National Technical Committee 176 on Primary Cells and Batteries of Standardization Administration of China (SAC/TC 176).
The previous editions of this part are as follows:
— GB/T 7112-1986, GB/T 7112-1994, GB/T 7112-1998;
— GB 8897.2-2005, GB/T 8897.2-2008, GB/T 8897.2-2013.
Primary Batteries — Part 2: Physical and Electrical Specifications
1 Scope
This part of GB/T 8897 specifies the dimension symbols, composition and description of specifications classification table, external dimensions and electrical specifications, test methods, sampling and quality assurance and marking of primary batteries.
This part is applicable to primary batteries which are based on standardized electrochemical systems.
Note: Inspection rules are detailed in Annex A.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1182 Geometrical Product Specifications (GPS) — Geometrical Tolerancing — Tolerances of Form, Orientation, Location and Run-out (GB/T 1182-2018, ISO 1101:2017, MOD)
GB/T 8897.1-2021 Primary Batteries — Part 1: General (IEC 60086-1:2015, MOD)
3 Terms, Definitions, Symbols and Abbreviated Terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 8897.1-2021 and the following apply.
3.1.1
application test
simulation of the actual use of a battery in a specific application
3.1.2
end-point voltage; EV
specified voltage of a battery at which the battery discharge is terminated
[IEC 60050-482:2004, definition 482-03-30]
3.1.3
minimum average duration; MAD
minimum average time on discharge which is met by a sample of batteries
Note: The discharge test is carried out according to the specified methods or standards and designed to show conformity with the standard applicable to the battery types.
3.1.4
nominal voltage (of a primary battery)
Un
suitable approximate value of the voltage used to designate or identify a cell, a battery or an electrochemical system
3.1.5
open-circuit voltage; OCV
voltage across the terminals of a cell or battery when it is off discharge
3.1.6
primary (cell or battery)
cell or battery that is not designed to be electrically recharged
3.1.7
round (cell or battery)
cell or battery with circular cross section
3.1.8
service output (of a primary battery)
service life, or capacity, or energy output of a battery under specified conditions of discharge
3.1.9
service output test
test designed to measure the service output of a battery
Note: A service output test may be prescribed, for example, when
a) an application test is too complex to replicate;
b) the duration of an application test would make it impractical for routine testing purposes.
3.1.10
storage life
duration under specified conditions at the end of which a battery retains its ability to perform a specified service output
Note: IEC 60050-482:2004, definition 482-03-47, modified.
3.1.11
terminals (of a primary battery)
conductive parts of a battery that provide connection to an external circuit
3.2 Symbols and abbreviated terms
For the purposes of this document, the following symbols and abbreviated terms apply.
EV: End-point Voltage
MAD: Minimum Average Duration
OCV: Open-Circuit Voltage (Off-load Voltage)
CCV: closed-circuit voltage (on-load voltage)
R: Load Resistance
4 Battery Dimensions, Symbols
The symbols used to denote the various dimensions are as follows:
d1: maximum and minimum diameters of the battery;
d2: minimum diameter of the flat positive contact;
d3: maximum diameter of the positive contact within the specified projection height;
d4: minimum diameter of the flat negative contact;
d5: maximum diameter of the negative contact within the specified projection height;
d6: minimum outer diameter of the negative flat contact surface;
d7: maximum inner diameter of the negative flat contact surface;
h1: maximum overall height of the battery;
h2: minimum distance between the flats of the positive and negative contacts;
h3: minimum projection of the flat positive contact;
h4: maximum recess of the negative flat contact surface;
h5: minimum projection of the flat negative contact;
ϕP: concentricity of the positive contact.
Recesses are permitted in the negative flat contact surface defined by dimensions d6 and d6 for batteries having the shape shown in Figure 1 a), provided that batteries placed end to end in series make electrical contact with each other and that the contact separation is an integral multiple of the contact separation for one battery. The following conditions shall be satisfied:
d6 > d3
d2 > d 7
h3 > h4
5 Constitution of the Battery Specification Tables
5.1 Description of category table
5.1.1 Batteries are categorized into several groups according to their shapes.
5.1.2 In each category, batteries having the same shape but belonging to a different electrochemical system are grouped together and shown in succession.
5.1.3 Batteries are always listed in ascending order of nominal voltage and, within each nominal voltage, in ascending order of volume.
5.1.4 One common shape drawing of these batteries which fall in the same group is exhibited.
Contents of GB/T 8897.2-2021
Foreword II
1 Scope
2 Normative References
3 Terms, Definitions, Symbols and Abbreviated Terms
4 Battery Dimensions, Symbols
5 Constitution of the Battery Specification Tables
6 Physical and Electrical Specifications
7 Test Methods
8 Sampling and Quality Assurance
9 Marking
Annex A (Normative) Inspection Rules
Annex B (Informative) Tabulation of Batteries by Application
Annex C (Informative) Cross-reference index
Annex D (Informative) Index
Annex E (Informative) Common Designation
Bibliography
