Battery pack

Battery pack

  • CN 101,425,693 A
  • Filed: 10/30/2008
  • Published: 05/06/2009
  • Est. Priority Date: 10/30/2007
  • Status: Active Application
First Claim
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1. , a kind of battery pack comprises:

  • At least one rechargeable battery;

    Be electrically connected to described battery positive electrode just discharge and recharge terminal;

    Be electrically connected to the negative terminal that discharges and recharges of the negative electrode of described battery;

    Be electrically connected the charge and discharge switch element of paramount current path, wherein the above is is just discharging and recharging terminal and described negative any that discharges and recharges in the terminal is electrically connected with described battery at described high current path;

    The protective circuit parts, it comprises that the positive electrode that is electrically connected to described battery respectively and negative electrode are to receive the positive power terminal and the negative power source terminal of electric power, and described protective circuit parts are electrically connected to described charge and discharge switch element, are switched on or switched off described charge and discharge switch element with the charging and discharging state according to described battery;

    Be connected electrically in the switch element of one of first current path and second current path, wherein be electrically connected to the positive electrode of described battery, be electrically connected to the negative electrode of described battery in the described negative power source terminal of described the above protective circuit parts of second current path in the described positive power terminal of described the above protective circuit parts of first current path;

    AndAuxiliary terminal, it is connected electrically in during charge or discharge between at least one and the described switch element in charger and the load.

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