trickle charger

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English

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Pronunciation

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Noun

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trickle charger (plural trickle chargers)

  1. A device for charging a battery slowly, using a very small current.
    • 1962 March, “The New Year Freeze-up on British Railways”, in Modern Railways, page 159:
      Attempts by Waterloo signalmen to clear the points by power operation eventually exhausted point motor batteries, which are fed by trickle chargers, and a blown fuse accentuated the problem; thus, even when the points had been cleared of ice, no power was available to operate them until the batteries were sufficiently recharged.
    • 1993, Dana Stabenow, A Fatal Thaw, →ISBN, page 6:
      She hooked the truck battery up to the trickle charger and left it.
    • 2003, Sharma, Basic Radio & Television, 2/E, →ISBN, page 49:
      A trickle charger is particularly useful for batteries which have to be kept out of use temporarily or for standby batteries which are used only in emergencies.
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