Interpretation of the third edition of UL 2271-2023,
UL 2271-2023,

▍SIRIM Certification

SIRIM is a former Malaysia standard and industry research institute. It is a company wholly-owned by Malaysian Minister of Finance Incorporated. It was consigned by Malaysian government to work as a national organization in charge of standard and quality management, and push the development of Malaysian industry and technology. SIRIM QAS, as the subsidiary company of SIRIM, is the only gateway for testing, inspection and certification in Malaysia.

At present rechargeable lithium batteries certification is still voluntary in Malaysia. But it is said to become mandatory in the future, and will be under management of KPDNHEP, the trading and consumer affair department of Malaysia.

▍Standard

Testing Standard: MS IEC 62133:2017, which refers to IEC 62133:2012

▍Why MCM?

● Established a good technical exchange and information exchange channel with SIRIM QAS who assigned a specialist to handle with MCM projects and inquiries only and to share the latest precisely information of this area.

● SIRIM QAS recognizes MCM testing data so that samples can be tested in MCM instead of delivering to Malaysia.

● To provide one-stop service for Malaysian certification of batteries, adapters and mobile phones.

Standard ANSI/CAN/UL/ULC 2271-2023 edition, applying to battery safety testing for Light Electric Vehicle (LEV), was published in September 2023 to replace the old standard of 2018 version.This new version of the standard has changes in definitions, structural requirements, and testing requirements.
Addition of Battery Management System (BMS) definition:A battery control circuit with active protection devices that monitors and maintains the cells within their specified operating region: and which prevents overcharge, overcurrent, overtemperature, under-temperature and overdischarge conditions of the cells.Addition of Electric Motorcycle definition: An electric motor vehicle having a seat or saddle for the use of the rider and designed to travel on not more than three wheels in contact with the groud, but excluding a tractor. An electric motorcycle is intened for use on public roadways including highways.Addition of Electric Scooter definition: A device weighing less than one hundred pounds that: