Understanding IEC 62133 Standard

As the industry transition from UL 1642 to IEC 62133 began in June, 2010, Intertek is positioned to serve the needs of lithium ion battery manufacturers who are bringing products to market globally.

Intertek offers Certified Body Testing Laboratories (CBTLs) conveniently located in both North America and China for manufacturers needing IEC 62133 certification.

Navigating IEC 62133 - Which Version is Right for My Battery?
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About the IEC 62133 Standard

IEC 62133 is the most important standard for exporting Lithium-Ion batteries, including those used in IT equipment, tools, laboratory, household and medical equipment.

• Until 30th April, 2011, Secondary (re-chargeable) lithium batteries tested to UL 1642 are accepted for CB certification.
• From 1st May, 2011, the batteries shall be additionally "gap" tested to parts of IEC 62133.
• From 1st May, 2012, the cells and batteries must be fully tested to IEC 62133 for CB certification.

Our Accreditations

Our global battery testing laboratories hold Certification Body Testing Laboratory (CBTL) status for Category BATT.