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    3. Before using a NI-CAD battery why is it necessary to charge it for an unusually long period
    Before using a NI-CAD battery why is it necessary to charge it for an unusually long period

    This battery is 14v for use in a vacuum cleaner 

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    0  Views: 233 Answers: 2 Posted: 12 years ago
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      To make sure the brain in the battery knows where full charge is. 

      12 years ago. Rating: 1
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        It needs to have a full charge be for using so to keep the battery from dying too soon and to help it hold a charge when in use...............It will get accustom  to what a full charge is .

        12 years ago. Rating: 1
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