A Review of America’s First Step Towards the Harmonization of Portable Battery Standards: UL 62133

John C. Copeland, VP/COO • Energy Assurance LLC

Although not widely publicized, Underwriter’s Laboratories (UL) released a new battery standard applicable to rechargeable lithium cells and battery packs in early January 2015.  This standard, UL 62133 (Revision 1), takes its place among other country-specific versions of the IEC 62133 international standard which has been in active use for global battery approvals for many years.  Why is this important?  After all, do we really need another battery standard?  As it turns out the answer is a definite “Yes” and is driven by a single concept – Harmonization. Read more about A Review of America’s First Step Towards the Harmonization of Portable Battery Standards: UL 62133