battery life

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battery life (plural battery lives)

  1. The time that a battery lasts
    • 2014 June 24, “Google Glass go on sale in the UK for £1,000”, in The Guardian:
      Since Glass's introduction, Google has made five hardware revisions and twelve software updates. The UK variant will come with better battery life than earlier models, as well as customisations to adapt its voice recognition to the varied British accent.