The 11th session of the United Nations Committee of Experts on the Transport of Dangerous Goods and the Globally Harmonized System of Classification and Labelling of Chemicals (9 December 2022) adopted a set of new amendments to the seventh revised edition of the Manual of Tests and Criteria (including the first amendment), and released the eighth revised edition of the Manual of Tests and Criteria on 27 November 2023.

In Chapter 38.3, the main changes in the new version are as follows:

1. Add the test clause of sodium ion battery;

2. The test requirements of the integrated battery pack are modified:

For an integrated battery pack that is not equipped with overcharge protection, if it is designed to be used only as an element of other batteries, equipment or vehicles that provide overcharge protection:

-Overcharge protection needs to be verified in other batteries, equipment or vehicles;

-The charging system without overcharge protection needs to be controlled by a physical system or program to prevent it from being used.

Comparison of test differences between sodium ion battery and lithium ion battery：

1. The sodium ion battery does not need T.8 forced discharge test;

2. For sodium ion batteries or sodium ion single-cell batteries, the batteries are in Wally state during T.6 extrusion/impact test.

Requirements for sample delivery of UN38.3 test standard for sodium battery:

◆ Single cell: 20

◆ Single-cell batteries: 18 batteries and 10 batteries.

◆ Small battery pack (≤12Kg): 16 batteries and 10 batteries.

◆ large battery pack (> ＞12Kg): 8 batteries and 10 batteries.

Warm tips

ZRLK has been focusing on the testing and certification of battery and consumer products for 20 years, always paying attention to the changes of national laws and regulations, and providing customers with one-stop testing and certification services to ensure that your products enter the target market quickly. If you want to know more about the requirements of UN38.3 testing and certification of batteries or need to apply for UN38.3 testing and certification of batteries, please feel free to contact us, and our engineers will serve you as soon as possible!