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Battery pack charged by external power generator and supplying discharge power to external load in parallel to external power generator

  • US 7,786,696 B2
  • Filed: 07/27/2007
  • Issued: 08/31/2010
  • Est. Priority Date: 09/01/2006
  • Status: Expired due to Fees
First Claim
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1. A battery pack comprising:

  • a battery cell to discharge battery power based on a charged amount of electric charge;

    an external power input terminal to receive external power from an external power generator;

    a power output terminal to supply the battery power and the external power to an external load; and

    a voltage transforming circuit to transform a voltage of the external power and to transfer the transformed voltage to the power output terminal.

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