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Battery charger with charge abnormality checking function

  • US 8,841,880 B2
  • Filed: 10/29/2010
  • Issued: 09/23/2014
  • Est. Priority Date: 10/29/2009
  • Status: Expired due to Fees
First Claim
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1. A battery charger comprising:

  • a battery connecting section to which a secondary battery to be recharged is connectable;

    a charge circuit configured to charge the secondary battery;

    a current detecting section configured to detect current flowing in the charge circuit while charging the secondary battery has been prohibited;

    a first signal outputting section configured to output a signal to prohibit charging when a charging parameter is detected; and

    a second signal outputting section configured to output an abnormality signal when the current detecting section detects the current while charging the secondary battery has been prohibited.

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