# Commission Regulation (EU) No 1103/2010 of 29 November 2010 establishing, pursuant to Directive 2006/66/EC of the European Parliament and of the Council, rules as regards capacity labelling of portable secondary (rechargeable) and automotive batteries and accumulators (Text with EEA relevance), Article 3: Unit of capacity measurement

Extent: E+W+S+N.I.

1. The capacity of portable secondary (rechargeable) batteries and accumulators shall be expressed in ‘milliampere-hour(s)’ or ‘ampere-hour(s)’, using the abbreviations mAh or Ah respectively.
2. The capacity of automotive batteries and accumulators shall be expressed in ‘ampere-hour(s)’ (Ah) and ‘Cold Cranking Amperes’ (A), using both these abbreviations.

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Source: https://www.legislation.gov.uk/eur/2010/1103/article/3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1103/article-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.