Analysis on DGR 3m Stack Testing,
DGR 3m,

▍What is PSE Certification?

PSE (Product Safety of Electrical Appliance & Material) is a mandatory certification system in Japan. It is also called ‘Compliance Inspection’ which it is a mandatory market access system for electrical appliance. PSE certification is composed of two parts: EMC and product safety and it is also an important regulation of Japan safety law for electrical appliance.

▍Certification Standard for lithium batteries

Interpretation for METI Ordinance for Technical Requirements(H25.07.01)， Appendix 9，Lithium ion secondary batteries

▍Why MCM?

● Qualified facilities: MCM is equipped with qualified facilities which can be up to the whole PSE testing standards and conduct tests including forced internal short circuit etc. It enables us to provide different customized testing reports in the format of JET, TUVRH, and MCM etc.

● Technical support: MCM has a professional team of 11 technical engineers specialized in PSE testing standards and regulations, and is able to offer the latest PSE regulations and news to clients in a precise, comprehensive and prompt way.

● Diversified service: MCM can issue reports in English or Japanese to meet clients’ need. So far, MCM has completed over 5000 PSE projects for clients in total.

Last month the International Air Transport Association released the latest DGR 64TH, which will be implemented on January 1st, 2023. In the terms PI 965 & 968, which is about lithium-ion battery packing instruction, it requires prepared in accordance with Section IB must be capable of 3 m stack.Acceptance Criteria: Samples shall not leakage. Any testing samples cannot have changes that may cause any negative impact, or deformation causing less strength or unstableness. That means cartons cannot be broken, and the cells and batteries cannot be broken or deformed.
The size of cartons is critical for testing. With appropriate size, cells and batteries fulfilled in the cartons can pass the test more easily. With the equipment ready, MCM can now start testing 3m stacking. MCM keeps focusing the latest information and standard requirement, and assist you to enter the international market.Requirement: The surface of a package will get a force, which equals to the stress of the same packages that will be stacked at least 3m high, and keep for 24 hours.