EN 61056-1:1993 Portable Lead-Acid Cells and Batteries (Valve- Regulated Types) Part 1: General Requirements@ Functional Characteristics - Methods of Test
2012EN 61056-1:2012 General purpose lead-acid batteries (valve-regulated types) - Part 1: General requirements, functional characteristics - Methods of test
2003EN 61056-1:2003 General purpose lead-acid batteries (valve-regulated types) Part 1: General requirements@ functional characteristics - Methods of test
1993EN 61056-1:1993 Portable Lead-Acid Cells and Batteries (Valve- Regulated Types) Part 1: General Requirements@ Functional Characteristics - Methods of Test