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UN38.3

Product introduction： UN38.3 refers to Part 3 of the United Nations Manual on Testing and Standards for the Transport of Dangerous Goods, which is specifically developed by the United Nations for the transportation of dangerous goods Before transporting lithium batteries, it is required to pass high simulation, high and low temperature cycling, vibration test, impact test, 55 ℃ external short circuit, impact test, overcharging test, and forced discharge test to ensure the safety of lithium battery transportation. If the lithium battery is not installed together with the device and each packaging contains more than 24 battery cells or 12 batteries, it must also pass the 1.2 meter free drop test.Product Scope1. Various lead-acid batteries (such as automotive starting lead-acid batteries, fixed lead-acid batteries, small valve regulated sealed lead-acid batteries, etc.)2. Various secondary batteries for power vehicles (such as batteries for power vehicles, batteries for electric road vehicles, batteries for electric tools, batteries for hybrid vehicles, etc.)3. Various mobile phone batteries (such as lithium-ion batteries, lithium-polymer batteries, nickel hydrogen batteries, etc.)4. Various small secondary batteries (such as laptop batteries, digital camera batteries, camera batteries, various cylindrical batteries, wireless communication batteries, portable DVD batteries, CD and MP3 player batteries, etc.)5. Various primary batteries (such as alkaline zinc manganese batteries, lithium manganese batteries, etc.)Testing standardsUN38.3 Test Items and Qualification Criteria for TestingUN38.3 Test ItemsT. 1 Height simulation testStore at a pressure of ≤ 11.6kPa and a temperature of 20 ± 5 ℃ for more than 6 hours without any leakage, exhaust, disassembly, rupture, or combustion.T. 2 Thermal testingConduct high and low temperature impact tests under conditions of 72 ± 2 ℃ and -40 ± 2 ℃. Store at extreme temperature for ≥ 6 hours, high and low temperature conversion time for ≤ 30 minutes, impact 10 times, and store at room temperature (20 ± 5 ℃) for 24 hours. The total test time should be at least one weekT. 3 Vibration testComplete one reciprocating logarithmic sweep frequency sinusoidal vibration from 7Hz to 200Hz within 15 minutes, and 12 three-dimensional vibrations within 3 hours;The logarithmic sweep frequency is: maintain a maximum acceleration of 1GN from 7 Hz until the frequency reaches 18 Hz. Then maintain the amplitude at 0.8 millimeters (with a total offset of 1.6 millimeters) and increase the frequency until the maximum acceleration reaches 8 gn (with a frequency of approximately 50 Hz). Maintain the maximum acceleration at 8gn until the frequency increases to 200 Hz.T. 4 Impact test150g, 6ms or 50g, 11ms semi sinusoidal impact, 3 times per installation direction, a total of 18 times;T. 5 External short circuit testShort circuit under the condition of 55 ± 2 ℃ and external resistanceT. 6 Impact testA 9.1kg weight fell from a height of 61 ± 2.5cm onto a battery with a 15.8mm round rod, and the surface temperature of the battery was measured.T. 7 Overcharge testOvercharge the battery for 24 hours at twice the maximum continuous charging current and twice the maximum charging voltage.T. 8. Forced discharge testThe battery is connected in series to a 12V DC power supply for forced discharge at maximum discharge current.Qualification criteria for testing(a) In tests T.1 to T.6, no disassembly or fire occurred.(b) In tests T.1, T.2, and T.5, the effluent was not a toxic, flammable, or corrosive substance.1 No exhaust or leakage was observed visually.2 No exhaust or leakage occurred that resulted in weight loss exceeding those shown in Table 38.3.4.7.1.(c) In tests T.3 and T.6, the effluent was not a toxic or corrosive substance.1 No exhaust or leakage was observed visually.2 No exhaust or leakage occurred that resulted in weight loss exceeding those shown in Table 38.3.4.7.1.Packaging requirements1. Unless installed in a device (such as a mobile phone, camera, walkie talkie, laptop, etc.), the battery and original battery must be separately packaged to prevent short circuits and packaged in a sturdy outer packaging.2. Unless installed in the equipment, if each packaging contains more than 24 primary batteries or 12 batteries, the following requirements must also be met:1) Each packaging must be marked to indicate the lithium battery inside and the special measures to be taken when the packaging is damaged.2) Each shipment must have accompanying documents explaining the special measures to be taken when the packaging contains lithium batteries and the packaging is damaged.3) Each packaging must be able to withstand a drop test of 1.2m in any orientation without damaging the batteries or meta batteries inside the packaging, without changing the position of the batteries so that they come into contact with each other (or the primary battery comes into contact with the primary battery), and without any batteries leaking out of the packaging.4) Unless lithium batteries are installed in the equipment, the gross weight of each packaging must not exceed 30kg.Conditional limitationsLithium batteries and lithium battery packs that meet all the following conditions can be transported as non restricted items (non hazardous materials). If any of the following conditions cannot be met, the dangerous goods collection and transportation requirements of UN3090 or UN3091 should be followed.（1） Limitations on lithium content1. For metallic lithium or lithium alloy primary batteries, the lithium content shall not exceed 1g; For lithium-ion primary batteries, the lithium equivalent content shall not exceed 1.5g.Note: Primary batteries are also known as battery cells.2. For metal lithium or lithium alloy batteries, the total lithium content shall not exceed 2g, and for lithium-ion batteries, the lithium equivalent content shall not exceed 8g.Note: The above 'lithium content' refers to the amount of metallic lithium present on the anode of a lithium metal or lithium alloy battery. For lithium-ion batteries, the calculation method for the 'lithium equivalent content' in grams is 0.3 times the rated capacity in ampere hours. For example, if the rated capacity of a lithium-ion battery for a certain mobile phone is 800mah (800 milliampere hours), its 'lithium equivalent content' is 0.3 X 0.8 (ampere hours)=0.24 grams.（2） Meets UN testing requirementsEach type of primary battery and battery has been tested and proven to comply with all the requirements of Article 38.3 of Part 3 of the United Nations Manual of Tests and Standards for the Transport of Dangerous Goods.（3） Packaging requirements1. Unless installed in a device (such as a mobile phone, camera, walkie talkie, laptop, etc.), the battery and original battery must be separately packaged to prevent short circuits and packaged in a sturdy outer packaging.2. Unless installed in the equipment, if each packaging contains more than 24 primary batteries or 12 batteries, the following requirements must also be met:1) Each packaging must be marked to indicate the lithium battery inside and the special measures to be taken when the packaging is damaged.2) Each shipment must have accompanying documents explaining the special measures to be taken when the packaging contains lithium batteries and the packaging is damaged.3) Each packaging must be able to withstand a drop test of 1.2m in any orientation without damaging the batteries or meta batteries inside the packaging, without changing the position of the batteries so that they come into contact with each other (or the primary battery comes into contact with the primary battery), and without any batteries leaking out of the packaging.4) If the battery is transported separately, the gross weight of each packaging shall not exceed 10kg.

Project introduction： Before transporting lithium batteries, it is necessary to pass high simulation, high and low temperature cycling, vibration test, impact test, 55 ℃ external short circuit, impact test, overcharging test, and forced discharge test to ensure the safety of lithium battery transportation.

Application description：

Expected cycle： 7-12 working days

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Project description
Customer case
Certification application

UN38.3 refers to Part 3 of the United Nations Manual on Testing and Standards for the Transport of Dangerous Goods, which is specifically developed by the United Nations for the transportation of dangerous goods Before transporting lithium batteries, it is required to pass high simulation, high and low temperature cycling, vibration test, impact test, 55 ℃ external short circuit, impact test, overcharging test, and forced discharge test to ensure the safety of lithium battery transportation. If the lithium battery is not installed together with the device and each packaging contains more than 24 battery cells or 12 batteries, it must also pass the 1.2 meter free drop test.

Product Scope

1. Various lead-acid batteries (such as automotive starting lead-acid batteries, fixed lead-acid batteries, small valve regulated sealed lead-acid batteries, etc.)

2. Various secondary batteries for power vehicles (such as batteries for power vehicles, batteries for electric road vehicles, batteries for electric tools, batteries for hybrid vehicles, etc.)

3. Various mobile phone batteries (such as lithium-ion batteries, lithium-polymer batteries, nickel hydrogen batteries, etc.)

4. Various small secondary batteries (such as laptop batteries, digital camera batteries, camera batteries, various cylindrical batteries, wireless communication batteries, portable DVD batteries, CD and MP3 player batteries, etc.)

5. Various primary batteries (such as alkaline zinc manganese batteries, lithium manganese batteries, etc.)

Testing standards

UN38.3 Test Items and Qualification Criteria for Testing

UN38.3 Test Items

T. 1 Height simulation test

Store at a pressure of ≤ 11.6kPa and a temperature of 20 ± 5 ℃ for more than 6 hours without any leakage, exhaust, disassembly, rupture, or combustion.

T. 2 Thermal testing

Conduct high and low temperature impact tests under conditions of 72 ± 2 ℃ and -40 ± 2 ℃. Store at extreme temperature for ≥ 6 hours, high and low temperature conversion time for ≤ 30 minutes, impact 10 times, and store at room temperature (20 ± 5 ℃) for 24 hours. The total test time should be at least one week

T. 3 Vibration test

Complete one reciprocating logarithmic sweep frequency sinusoidal vibration from 7Hz to 200Hz within 15 minutes, and 12 three-dimensional vibrations within 3 hours;

The logarithmic sweep frequency is: maintain a maximum acceleration of 1GN from 7 Hz until the frequency reaches 18 Hz. Then maintain the amplitude at 0.8 millimeters (with a total offset of 1.6 millimeters) and increase the frequency until the maximum acceleration reaches 8 gn (with a frequency of approximately 50 Hz). Maintain the maximum acceleration at 8gn until the frequency increases to 200 Hz.

T. 4 Impact test

150g, 6ms or 50g, 11ms semi sinusoidal impact, 3 times per installation direction, a total of 18 times;

T. 5 External short circuit test

Short circuit under the condition of 55 ± 2 ℃ and external resistance<0.1 Ω, lasting for 1 hour after the battery temperature returns to 55 ± 2 ℃.

T. 6 Impact test

A 9.1kg weight fell from a height of 61 ± 2.5cm onto a battery with a 15.8mm round rod, and the surface temperature of the battery was measured.

T. 7 Overcharge test

Overcharge the battery for 24 hours at twice the maximum continuous charging current and twice the maximum charging voltage.

T. 8. Forced discharge test

The battery is connected in series to a 12V DC power supply for forced discharge at maximum discharge current.

Qualification criteria for testing

(a) In tests T.1 to T.6, no disassembly or fire occurred.

(b) In tests T.1, T.2, and T.5, the effluent was not a toxic, flammable, or corrosive substance.

1> No exhaust or leakage was observed visually.

2> No exhaust or leakage occurred that resulted in weight loss exceeding those shown in Table 38.3.4.7.1.

1> No exhaust or leakage was observed visually.

2> No exhaust or leakage occurred that resulted in weight loss exceeding those shown in Table 38.3.4.7.1.

Packaging requirements

1. Unless installed in a device (such as a mobile phone, camera, walkie talkie, laptop, etc.), the battery and original battery must be separately packaged to prevent short circuits and packaged in a sturdy outer packaging.

2. Unless installed in the equipment, if each packaging contains more than 24 primary batteries or 12 batteries, the following requirements must also be met:

1) Each packaging must be marked to indicate the lithium battery inside and the special measures to be taken when the packaging is damaged.

2) Each shipment must have accompanying documents explaining the special measures to be taken when the packaging contains lithium batteries and the packaging is damaged.

3) Each packaging must be able to withstand a drop test of 1.2m in any orientation without damaging the batteries or meta batteries inside the packaging, without changing the position of the batteries so that they come into contact with each other (or the primary battery comes into contact with the primary battery), and without any batteries leaking out of the packaging.

4) Unless lithium batteries are installed in the equipment, the gross weight of each packaging must not exceed 30kg.

Conditional limitations

Lithium batteries and lithium battery packs that meet all the following conditions can be transported as non restricted items (non hazardous materials). If any of the following conditions cannot be met, the dangerous goods collection and transportation requirements of UN3090 or UN3091 should be followed.

（1） Limitations on lithium content

1. For metallic lithium or lithium alloy primary batteries, the lithium content shall not exceed 1g; For lithium-ion primary batteries, the lithium equivalent content shall not exceed 1.5g.

Note: Primary batteries are also known as battery cells.

2. For metal lithium or lithium alloy batteries, the total lithium content shall not exceed 2g, and for lithium-ion batteries, the lithium equivalent content shall not exceed 8g.

Note: The above 'lithium content' refers to the amount of metallic lithium present on the anode of a lithium metal or lithium alloy battery. For lithium-ion batteries, the calculation method for the 'lithium equivalent content' in grams is 0.3 times the rated capacity in ampere hours. For example, if the rated capacity of a lithium-ion battery for a certain mobile phone is 800mah (800 milliampere hours), its 'lithium equivalent content' is 0.3 X 0.8 (ampere hours)=0.24 grams.

（2） Meets UN testing requirements

Each type of primary battery and battery has been tested and proven to comply with all the requirements of Article 38.3 of Part 3 of the United Nations Manual of Tests and Standards for the Transport of Dangerous Goods.

（3） Packaging requirements

2. Unless installed in the equipment, if each packaging contains more than 24 primary batteries or 12 batteries, the following requirements must also be met:

1) Each packaging must be marked to indicate the lithium battery inside and the special measures to be taken when the packaging is damaged.

2) Each shipment must have accompanying documents explaining the special measures to be taken when the packaging contains lithium batteries and the packaging is damaged.

4) If the battery is transported separately, the gross weight of each packaging shall not exceed 10kg.

UN38.3 UN38.3 UN38.3

Q: What do MSDS and UN38.3 respectively mean?

A: MSDS is the chemical composition description of the battery. The UN38.3 test is a mandatory test taken to ensure that lithium batteries can be safely transported by air or sea.

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