Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Information Technology of Standardization Administration of China (SAC/TC 28).
Information technology - General specification for portable digital equipments used power bank
1 Scope
This standard specifies the requirements, test methods, inspection rules, quality assessment procedures as well as marking, packaging, transportation and storage of portable digital equipments used power bank (hereinafter referred to as “power bank”).
This standard is applicable to portable digital equipments used power bank in wired output mode, with input voltage not greater than 250V, DC output voltage not greater than 60V and single-port output current not greater than 5A.
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 (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 2423.3 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
GB/T 2423.6 Environmental testing for electric and electronic products - Part 2: Test methods - Test Eb and guidance: Bump
GB/T 2423.10 Environmental testing for electric and electronic products - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB 4943.1-2011 Information technology equipment - Safety - Part 1: General requirements
GB/T 9254 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
GB/T 17618 Information technology equipment - Immunity characteristics - Limits and methods of measurement
GB/T 18287-2013 General specification of lithium-ion cells and batteries for mobile phone
GB/T 18455 Package recycling marking
GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
GB/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
GB/T 28164 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable application
GB 31241 Lithium ion cells and batteries used in portable electronic equipments - Safety requirements
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
power bank
non-fixed power supply system composed of cell or battery, corresponding circuit and shell, which may provide stable DC output and has a weight not exceeding 18kg so as to be portable for the user
Notes:
1 The power bank is commonly known as charge pal.
2 The circuit herein may be a step-down circuit or a boost circuit, or both.
3 The power bank may be connected to AC or DC power supply for charging.
3.2
rated input voltage
input voltage value designated by the manufacturer
Note: it is expressed by Uin in volt (V).
3.3
rated input current
input current value designated by the manufacturer
Notes:
1 It is expressed by Iin in ampere (A) or milliampere (mA).
2 The input current is the maximum continuous consumption current at the nominal input voltage.
3.4
rated output voltage
output voltage value designated by the manufacturer
Note: it is expressed by Uout in volt (V).
3.5
rated output current
sum of the output currents of each port with the same output voltage designated by the manufacturer
Notes:
1 It is expressed by Iout in ampere (A) or milliampere (mA).
2 The output current is the maximum continuous output current at the nominal output voltage.
3.6
effective output capacity
effective discharge capacity to the external load where a fully charged power bank discharges at the rated output current to the cut-off
Notes:
1 It is expressed in ampere-hour (A·h) or milliampere-hour (mA·h).
2 Discharge to the cut-off refers to that no output voltage is available at the output end of power bank or the discharge off conditions specified by the manufacturer are met.
3.7
rated capacity
effective discharge capacity of the power bank designated by the manufacturer
Note: it is expressed by C in ampere-hour (A·h) or milliampere-hour (mA·h).
3.8
cell or battery rated energy
rated energy of the cell or battery used for the power bank, i.e., the rated capacity of the cell or battery multiplied by its rated voltage
Notes:
1 It is expressed in watt-hour (W·h) or milliwatt-hour (mW·h).
2 The rated energy is calculated from the rated voltage and rated capacity of the cell or battery, whichever is larger.
3 For the measurement of rated capacity of lithium-ion cell or battery, refer to 5.3.2.2, GB/T 18287-2013.
3.9
effective output energy
effective discharge energy to the external load where a fully charged power bank discharges at the rated output voltage and rated output current to the cut-off
Note: it is expressed in watt-hour (W·h) or milliwatt-hour (mW·h).
3.10
conversion efficiency
ratio of the effective output energy of the power bank to the rated energy of the cell or battery according to the charging/discharging conditions specified in this standard
3.11
cycle life
number of charge-discharge cycles that can be performed before the effective output capacity of power bank is less than 60% of its rated capacity
3.12
capacity retention
effective output capacity of power bank after being stored at the specified temperature for the specified period
3.13
leakage
visible leakage of liquid electrolyte
[GB/T 28164-2011, Definition 1.3.9]
3.14
venting
release of gas via the pre-designed explosion-proof device upon the increase of the pressure in power bank
[GB 31241-2014, Definition 3.22]
3.15
rupture
mechanical damage to the power bank shell due to internal or external factors, resulting in exposure or spillage of inner matter, without ejection
[GB/T 28164-2011, Definition 1.3.11]
3.16
fire
visible flame of power bank
[GB/T 28164-2011, Definition 1.3.12]
3.17
explosion
severe rupture of power bank shell, resulting in the ejection of main component
[GB/T 28164-2011, Definition 1.3.13]
4 Requirements
4.1 Appearance and identification
4.1.1 Appearance
The appearance shall meet the following requirements:
——the surface is clean and free of obvious deformation and mechanical damage; the interface contact is free of rust;
——the surface is provided with necessary clear power bank identification;
——the output and input interfaces shall be clearly marked so as to be convenient for connection;
——the interface, key, power indicator (or lighting lamp), warning, etc. are provided with clear identifications.
4.1.2 Identification
The power bank shall be provided with the following identifications on the body:
——the name and model of power bank;
——the name, trademark or identification mark of the manufacturer;
——the rated input voltage/current and the rated output voltage/current;
——the rated capacity;
——the type and rated energy of cell or battery;
——the multi-output port, for which, the total current value at the same output voltage shall be marked, and the rated output voltage/current of each output port shall be marked near the port.
4.2 Interface
The output and input interfaces shall be clearly specified in the instructions for power bank, for which, the appearance shall be upright, regular and free of damage and deformation, and the reverse polarity prevention design shall be adopted. Such interfaces shall be able to input and output normally after being connected.
4.3 Electrical performance
4.3.1 Effective output capacity
4.3.1.1 Effective output capacity at normal temperature
The effective output capacity shall not be lower than the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.1.2 Effective output capacity of at low temperature
The effective output capacity shall not be less than 60% of the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.1.3 Effective output capacity at high temperature
The effective output capacity shall not be lower than the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.2 Capacity retention
The effective output capacity of power bank shall not be less than 80% of the rated capacity.
4.3.3 Cycle life
The cycle life of power bank shall not be less than 300 times.
4.3.4 Conversion efficiency
The conversion efficiency of power bank shall meet the indicated value of the manufacturer's instructions for power bank, and if not indicated, it shall not be less than 80%.
4.3.5 Output voltage
The deviation of actual output voltage shall be within the range of Uout ±5%.
4.3.6 Ripple and noise
The output voltage ripple and noise (peak-peak value) shall not be greater than 200mV.
4.3.7 Power supply adaptability in charging state
4.3.7.1 The power bank for AC power supply shall charge normally under the conditions of 220V±22V and 50Hz±1Hz.
4.3.7.2 The power bank for DC power supply shall charge normally under the condition that the deviation from the rated input voltage is ±5%.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Quality assessment procedure
7 Marking, packaging, transportation and storage
Annex A (Informative) Near RF electromagnetic field immunity test of power bank
Annex B (Normative) Failure judgment criteria
Bibliography
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Information Technology of Standardization Administration of China (SAC/TC 28).
Information technology - General specification for portable digital equipments used power bank
1 Scope
This standard specifies the requirements, test methods, inspection rules, quality assessment procedures as well as marking, packaging, transportation and storage of portable digital equipments used power bank (hereinafter referred to as “power bank”).
This standard is applicable to portable digital equipments used power bank in wired output mode, with input voltage not greater than 250V, DC output voltage not greater than 60V and single-port output current not greater than 5A.
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 (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 2423.3 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
GB/T 2423.6 Environmental testing for electric and electronic products - Part 2: Test methods - Test Eb and guidance: Bump
GB/T 2423.10 Environmental testing for electric and electronic products - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB 4943.1-2011 Information technology equipment - Safety - Part 1: General requirements
GB/T 9254 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
GB/T 17618 Information technology equipment - Immunity characteristics - Limits and methods of measurement
GB/T 18287-2013 General specification of lithium-ion cells and batteries for mobile phone
GB/T 18455 Package recycling marking
GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
GB/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
GB/T 28164 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable application
GB 31241 Lithium ion cells and batteries used in portable electronic equipments - Safety requirements
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
power bank
non-fixed power supply system composed of cell or battery, corresponding circuit and shell, which may provide stable DC output and has a weight not exceeding 18kg so as to be portable for the user
Notes:
1 The power bank is commonly known as charge pal.
2 The circuit herein may be a step-down circuit or a boost circuit, or both.
3 The power bank may be connected to AC or DC power supply for charging.
3.2
rated input voltage
input voltage value designated by the manufacturer
Note: it is expressed by Uin in volt (V).
3.3
rated input current
input current value designated by the manufacturer
Notes:
1 It is expressed by Iin in ampere (A) or milliampere (mA).
2 The input current is the maximum continuous consumption current at the nominal input voltage.
3.4
rated output voltage
output voltage value designated by the manufacturer
Note: it is expressed by Uout in volt (V).
3.5
rated output current
sum of the output currents of each port with the same output voltage designated by the manufacturer
Notes:
1 It is expressed by Iout in ampere (A) or milliampere (mA).
2 The output current is the maximum continuous output current at the nominal output voltage.
3.6
effective output capacity
effective discharge capacity to the external load where a fully charged power bank discharges at the rated output current to the cut-off
Notes:
1 It is expressed in ampere-hour (A·h) or milliampere-hour (mA·h).
2 Discharge to the cut-off refers to that no output voltage is available at the output end of power bank or the discharge off conditions specified by the manufacturer are met.
3.7
rated capacity
effective discharge capacity of the power bank designated by the manufacturer
Note: it is expressed by C in ampere-hour (A·h) or milliampere-hour (mA·h).
3.8
cell or battery rated energy
rated energy of the cell or battery used for the power bank, i.e., the rated capacity of the cell or battery multiplied by its rated voltage
Notes:
1 It is expressed in watt-hour (W·h) or milliwatt-hour (mW·h).
2 The rated energy is calculated from the rated voltage and rated capacity of the cell or battery, whichever is larger.
3 For the measurement of rated capacity of lithium-ion cell or battery, refer to 5.3.2.2, GB/T 18287-2013.
3.9
effective output energy
effective discharge energy to the external load where a fully charged power bank discharges at the rated output voltage and rated output current to the cut-off
Note: it is expressed in watt-hour (W·h) or milliwatt-hour (mW·h).
3.10
conversion efficiency
ratio of the effective output energy of the power bank to the rated energy of the cell or battery according to the charging/discharging conditions specified in this standard
3.11
cycle life
number of charge-discharge cycles that can be performed before the effective output capacity of power bank is less than 60% of its rated capacity
3.12
capacity retention
effective output capacity of power bank after being stored at the specified temperature for the specified period
3.13
leakage
visible leakage of liquid electrolyte
[GB/T 28164-2011, Definition 1.3.9]
3.14
venting
release of gas via the pre-designed explosion-proof device upon the increase of the pressure in power bank
[GB 31241-2014, Definition 3.22]
3.15
rupture
mechanical damage to the power bank shell due to internal or external factors, resulting in exposure or spillage of inner matter, without ejection
[GB/T 28164-2011, Definition 1.3.11]
3.16
fire
visible flame of power bank
[GB/T 28164-2011, Definition 1.3.12]
3.17
explosion
severe rupture of power bank shell, resulting in the ejection of main component
[GB/T 28164-2011, Definition 1.3.13]
4 Requirements
4.1 Appearance and identification
4.1.1 Appearance
The appearance shall meet the following requirements:
——the surface is clean and free of obvious deformation and mechanical damage; the interface contact is free of rust;
——the surface is provided with necessary clear power bank identification;
——the output and input interfaces shall be clearly marked so as to be convenient for connection;
——the interface, key, power indicator (or lighting lamp), warning, etc. are provided with clear identifications.
4.1.2 Identification
The power bank shall be provided with the following identifications on the body:
——the name and model of power bank;
——the name, trademark or identification mark of the manufacturer;
——the rated input voltage/current and the rated output voltage/current;
——the rated capacity;
——the type and rated energy of cell or battery;
——the multi-output port, for which, the total current value at the same output voltage shall be marked, and the rated output voltage/current of each output port shall be marked near the port.
4.2 Interface
The output and input interfaces shall be clearly specified in the instructions for power bank, for which, the appearance shall be upright, regular and free of damage and deformation, and the reverse polarity prevention design shall be adopted. Such interfaces shall be able to input and output normally after being connected.
4.3 Electrical performance
4.3.1 Effective output capacity
4.3.1.1 Effective output capacity at normal temperature
The effective output capacity shall not be lower than the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.1.2 Effective output capacity of at low temperature
The effective output capacity shall not be less than 60% of the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.1.3 Effective output capacity at high temperature
The effective output capacity shall not be lower than the rated capacity, and the appearance of power bank shall be free of obvious deformation, explosion, venting, fire, leakage and rupture.
4.3.2 Capacity retention
The effective output capacity of power bank shall not be less than 80% of the rated capacity.
4.3.3 Cycle life
The cycle life of power bank shall not be less than 300 times.
4.3.4 Conversion efficiency
The conversion efficiency of power bank shall meet the indicated value of the manufacturer's instructions for power bank, and if not indicated, it shall not be less than 80%.
4.3.5 Output voltage
The deviation of actual output voltage shall be within the range of Uout ±5%.
4.3.6 Ripple and noise
The output voltage ripple and noise (peak-peak value) shall not be greater than 200mV.
4.3.7 Power supply adaptability in charging state
4.3.7.1 The power bank for AC power supply shall charge normally under the conditions of 220V±22V and 50Hz±1Hz.
4.3.7.2 The power bank for DC power supply shall charge normally under the condition that the deviation from the rated input voltage is ±5%.
Contents of GB/T 35590-2017
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Quality assessment procedure
7 Marking, packaging, transportation and storage
Annex A (Informative) Near RF electromagnetic field immunity test of power bank
Annex B (Normative) Failure judgment criteria
Bibliography
