UL UL1642 ⑧ Underwriters Laboratories Inc . Standard for Safety Lithium Batteries NOVEMBER 25 ,2009 - UL1642 UL Standard for Safety for Lithium Batteries ,UL 1642 Fourth Edition ,Dated September 19 ,2005 Summary of Topics The revisions dated November 25 ,2009 have been issued to incorporate the following : Revision to 2.3.2 to explain evaluation of ponents used inside a cell or battery . Revision to the definition of " FullyDischarged' and addition of the definition for Completely Discharged' to the Glossary . Removal of redundant tests in 5 .1 .1 :addition tests in 5 .1.2 and 5 .1.3 :and clarification of User Replaceable "in 5.2.1. Simplify Performance Testing of a cell by revising 6 .1 .6.2 and Tables 6.3 and 6.4 ; deleting Tables 6.1 and 6.2. Revised 8.2 to ensure monitoring of temperatures during the Abnormal Charging Test . Clarification of the Short Circuit Test in 10 .1 .10.4. and 10.5. Clarification of the Abnormal Charging Test in 11.3 ;revised protector criteria in 11.4 ,and 11.9. Revisions to 12.2 and 12.3 to align with changes to Glossary definitions ;Clarification of Ultimate Results Criteria in 12.4 ;revisions to revised protector criteria in 12.5. Re...
UL 1642-2009 Lithium Batteries.pdf
