UNE-EN 61427-2:2015 Secondary cells and batteries for renewable energy storage - General requirements and methods of test - Part 2: On-grid applications (Endorsed by AENOR in January of 2016.)
2016UNE-EN 61427-2:2015 Secondary cells and batteries for renewable energy storage - General requirements and methods of test - Part 2: On-grid applications (Endorsed by AENOR in January of 2016.)