GB/T 46266-2025 Mobile energy storage power supplies for household and similar electrical appliances English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing thorugh draft translation, self-check, revision and varification) will be delivered upon being ordered.
ICS 97.180 CCS Y 69
People's Republic of China National Standard
GB/T 46266-2025
Mobile energy storage power supplies for household and similar electrical appliances
Issued on 2025-08-29 Implemented on 2026-03-01
Issued by State Administration for Market Regulation, Standardization Administration of China
Contents
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Classification and Model Naming
5 Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transportation and Storage
References
1 Scope
This document specifies requirements for mobile energy storage power supplies (hereinafter referred to as "power supplies") for household and similar electrical appliances, describes corresponding test methods, stipulates marking, packaging, transportation and storage requirements, and provides product classification and model naming while defining relevant terms.
This document applies to the design, production, inspection and sale of portable energy storage power supplies for household and similar electrical appliances with rated energy not exceeding 10,000 Wh. The design, production, inspection and sale of fixed energy storage power supplies for household and similar electrical appliances may be referenced accordingly.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies; for undated references, the latest edition (including all amendments) applies.
GB/T 191 Pictorial markings for packing of goods
GB/T 1019 General rules for packaging of household and similar electrical appliances
GB/T 2423.5 Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock
GB/T 2423.10 Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB 4343.1-2024 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 1: Emission
GB/T 4706.1-2024 Safety of household and similar electrical appliances - Part 1: General requirements
GB/T 17626.2-2018 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3-2023 Electromagnetic compatibility - Testing and measurement techniques - Part 3: Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4-2018 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5-2019 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
GB/T 17626.6-2017 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
GB/T 17626.11-2023 Electromagnetic compatibility - Testing and measurement techniques - Part 11: Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current ≤16A per phase
GB/T 26572 Limits of hazardous substances in electrical and electronic products
GB/T 34120 Technical requirements for power converters of electrochemical energy storage systems
GB/T 34662-2017 Electrical equipment - Temperature guidelines for accessible hot surfaces
GB/T 35590-2017 Information technology - General specification of portable power bank for mobile digital devices
GB/T 36276-2023 Lithium-ion batteries for electrical energy storage
GB/T 36547 Technical specification for connecting electrochemical energy storage system to power grid
3 Terms and Definitions
The terms and definitions defined in GB/T 35590-2017, GB/T 36276-2023, and the following apply to this document.
3.1
Cell
The basic unit inside power supplies that independently achieves mutual conversion between chemical energy and electrical energy, stores and releases electrical energy, composed of positive electrode, negative electrode, separator and electrolyte, generally not directly usable.
3.2
Energy storage power supplies
Electric energy storage and supply devices for household and similar electrical appliances or grid-connected applications, capable of repeated charge/discharge cycles.
NOTE: Consisting of one or multiple cells, corresponding circuits and enclosures combined as a single product or system integration, including management and protection components.
3.3
Mobile energy storage power supplies
Energy storage power supplies with mobility features, movable by carrying, towing, self-propulsion or other means, whether fixed by screws, fasteners or similar devices, always used in safe and stable conditions.
3.4
Power supplies management system (PMS)
An electronic system within power supplies that controls battery charge/discharge, manages operations and performs AC/DC bidirectional conversion.
NOTE: Sometimes referred to as PMU (power supplies management unit).
3.5
Rated energy
The energy value of power supplies determined under specified conditions as declared by the manufacturer.
NOTE: Calculated by multiplying nominal voltage by rated capacity, rounded up, expressed in watt-hours (Wh) or milliwatt-hours (mWh).
[SOURCE: GB 44240-2024, 3.12, modified]
3.6
Effective output energy
The actual discharge energy delivered to external loads when fully charged power supplies discharge at rated output voltage and current until cutoff.
NOTE: Expressed in watt-hours (Wh) or milliwatt-hours (mWh).
[SOURCE: GB/T 35590-2017, 3.9, modified]
3.7
Energy retention
The effective output energy of power supplies after storage under conditions specified in this document.
[SOURCE: GB/T 35590-2017, 3.12, modified]
3.8
Output conversion efficiency
The ratio of effective output energy to rated energy under charge/discharge conditions specified in this document.
3.9
State of energy (SOE)
The ratio of currently charged energy to maximum chargeable energy, or dischargeable energy to maximum dischargeable energy under specified conditions.
NOTE: Expressed as percentage.
3.10
Cycle efficiency
The maximum number of charge/discharge cycles achievable while maintaining effective output energy ≥80% of rated energy.
3.11
Rated output current (Iout)
The output current value declared by the manufacturer for each port.
NOTE 1: Expressed in amperes (A) or milliamperes (mA).
NOTE 2: Refers to maximum continuous output current under rated output voltage.
3.12
Rated output voltage (Uout)
The output voltage value declared by the manufacturer for each port.
NOTE: Expressed in volts (V).
[SOURCE: GB/T 35590-2017, 3.4, modified]
3.13
Explosion
Failure phenomenon characterized by violent rupture of power supply enclosure with projectile ejection of solid components.
NOTE: Liquids, gases or smoke may be ejected.
[SOURCE: GB 44240-2024, 3.26, modified]
3.14
Leakage
Non-designed visible leakage of liquid electrolyte from power supply enclosure.
[SOURCE: GB 44240-2024, 3.25, modified]
3.15
Rupture
Mechanical damage to power supply enclosure caused by internal/external factors, exposing/spilling internal substances without ejection.
[SOURCE: GB 44240-2024, 3.24, modified]
3.16
Fire
Flames lasting >1s emitted from any part of power supplies.
NOTE: Flames result from combustion - a light/heat-emitting chemical reaction. Sparks don't qualify as flames.
[SOURCE: GB 44240-2024, 3.27, modified]
3.17
Venting
Release of gases through designed pressure relief devices/structures when internal pressure increases.
[SOURCE: GB/T 35590-2017, 3.14]
3.18
Thermal runaway
Uncontrollable temperature rise phenomenon in power supply cells caused by exothermic reactions.
[SOURCE: GB 44240-2024, 3.28, modified]
Standard
GB/T 46266-2025 Mobile energy storage power supplies for household and similar electrical appliances (English Version)
Standard No.
GB/T 46266-2025
Status
to be valid
Language
English
File Format
PDF
Word Count
19000 words
Price(USD)
570.0
Implemented on
2026-3-1
Delivery
via email in 1~5 business day
Detail of GB/T 46266-2025
Standard No.
GB/T 46266-2025
English Name
Mobile energy storage power supplies for household and similar electrical appliances
GB/T 46266-2025 Mobile energy storage power supplies for household and similar electrical appliances English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing thorugh draft translation, self-check, revision and varification) will be delivered upon being ordered.
ICS 97.180 CCS Y 69
People's Republic of China National Standard
GB/T 46266-2025
Mobile energy storage power supplies for household and similar electrical appliances
Issued on 2025-08-29 Implemented on 2026-03-01
Issued by State Administration for Market Regulation, Standardization Administration of China
Contents
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Classification and Model Naming
5 Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transportation and Storage
References
1 Scope
This document specifies requirements for mobile energy storage power supplies (hereinafter referred to as "power supplies") for household and similar electrical appliances, describes corresponding test methods, stipulates marking, packaging, transportation and storage requirements, and provides product classification and model naming while defining relevant terms.
This document applies to the design, production, inspection and sale of portable energy storage power supplies for household and similar electrical appliances with rated energy not exceeding 10,000 Wh. The design, production, inspection and sale of fixed energy storage power supplies for household and similar electrical appliances may be referenced accordingly.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies; for undated references, the latest edition (including all amendments) applies.
GB/T 191 Pictorial markings for packing of goods
GB/T 1019 General rules for packaging of household and similar electrical appliances
GB/T 2423.5 Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock
GB/T 2423.10 Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB 4343.1-2024 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 1: Emission
GB/T 4706.1-2024 Safety of household and similar electrical appliances - Part 1: General requirements
GB/T 17626.2-2018 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3-2023 Electromagnetic compatibility - Testing and measurement techniques - Part 3: Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4-2018 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5-2019 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
GB/T 17626.6-2017 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
GB/T 17626.11-2023 Electromagnetic compatibility - Testing and measurement techniques - Part 11: Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current ≤16A per phase
GB/T 26572 Limits of hazardous substances in electrical and electronic products
GB/T 34120 Technical requirements for power converters of electrochemical energy storage systems
GB/T 34662-2017 Electrical equipment - Temperature guidelines for accessible hot surfaces
GB/T 35590-2017 Information technology - General specification of portable power bank for mobile digital devices
GB/T 36276-2023 Lithium-ion batteries for electrical energy storage
GB/T 36547 Technical specification for connecting electrochemical energy storage system to power grid
3 Terms and Definitions
The terms and definitions defined in GB/T 35590-2017, GB/T 36276-2023, and the following apply to this document.
3.1
Cell
The basic unit inside power supplies that independently achieves mutual conversion between chemical energy and electrical energy, stores and releases electrical energy, composed of positive electrode, negative electrode, separator and electrolyte, generally not directly usable.
3.2
Energy storage power supplies
Electric energy storage and supply devices for household and similar electrical appliances or grid-connected applications, capable of repeated charge/discharge cycles.
NOTE: Consisting of one or multiple cells, corresponding circuits and enclosures combined as a single product or system integration, including management and protection components.
3.3
Mobile energy storage power supplies
Energy storage power supplies with mobility features, movable by carrying, towing, self-propulsion or other means, whether fixed by screws, fasteners or similar devices, always used in safe and stable conditions.
3.4
Power supplies management system (PMS)
An electronic system within power supplies that controls battery charge/discharge, manages operations and performs AC/DC bidirectional conversion.
NOTE: Sometimes referred to as PMU (power supplies management unit).
3.5
Rated energy
The energy value of power supplies determined under specified conditions as declared by the manufacturer.
NOTE: Calculated by multiplying nominal voltage by rated capacity, rounded up, expressed in watt-hours (Wh) or milliwatt-hours (mWh).
[SOURCE: GB 44240-2024, 3.12, modified]
3.6
Effective output energy
The actual discharge energy delivered to external loads when fully charged power supplies discharge at rated output voltage and current until cutoff.
NOTE: Expressed in watt-hours (Wh) or milliwatt-hours (mWh).
[SOURCE: GB/T 35590-2017, 3.9, modified]
3.7
Energy retention
The effective output energy of power supplies after storage under conditions specified in this document.
[SOURCE: GB/T 35590-2017, 3.12, modified]
3.8
Output conversion efficiency
The ratio of effective output energy to rated energy under charge/discharge conditions specified in this document.
3.9
State of energy (SOE)
The ratio of currently charged energy to maximum chargeable energy, or dischargeable energy to maximum dischargeable energy under specified conditions.
NOTE: Expressed as percentage.
3.10
Cycle efficiency
The maximum number of charge/discharge cycles achievable while maintaining effective output energy ≥80% of rated energy.
3.11
Rated output current (Iout)
The output current value declared by the manufacturer for each port.
NOTE 1: Expressed in amperes (A) or milliamperes (mA).
NOTE 2: Refers to maximum continuous output current under rated output voltage.
3.12
Rated output voltage (Uout)
The output voltage value declared by the manufacturer for each port.
NOTE: Expressed in volts (V).
[SOURCE: GB/T 35590-2017, 3.4, modified]
3.13
Explosion
Failure phenomenon characterized by violent rupture of power supply enclosure with projectile ejection of solid components.
NOTE: Liquids, gases or smoke may be ejected.
[SOURCE: GB 44240-2024, 3.26, modified]
3.14
Leakage
Non-designed visible leakage of liquid electrolyte from power supply enclosure.
[SOURCE: GB 44240-2024, 3.25, modified]
3.15
Rupture
Mechanical damage to power supply enclosure caused by internal/external factors, exposing/spilling internal substances without ejection.
[SOURCE: GB 44240-2024, 3.24, modified]
3.16
Fire
Flames lasting >1s emitted from any part of power supplies.
NOTE: Flames result from combustion - a light/heat-emitting chemical reaction. Sparks don't qualify as flames.
[SOURCE: GB 44240-2024, 3.27, modified]
3.17
Venting
Release of gases through designed pressure relief devices/structures when internal pressure increases.
[SOURCE: GB/T 35590-2017, 3.14]
3.18
Thermal runaway
Uncontrollable temperature rise phenomenon in power supply cells caused by exothermic reactions.
[SOURCE: GB 44240-2024, 3.28, modified]
