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Device and a method allowing multiple batteries to share a common load

  • US 6,049,141 A
  • Filed: 05/15/1998
  • Issued: 04/11/2000
  • Est. Priority Date: 05/21/1997
  • Status: Expired due to Term
First Claim
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1. A battery system, functionally connectable to a main battery and for augmenting the battery current supplied by the main battery to a load, comprising:

  • a supplemental battery, having a battery unit and an output control circuit, the battery unit having a different capacity or capability than the main battery the output control circuit having an output control input and being operative to adjust the level of the voltage supplied to the load in response to signals received on the output control input; and

    a current adapter, functionally connected to the main battery and the output control input of the supplemental battery, and operative to detect the battery current supplied to the load, generate an output adjust signal as a function of the current, and provide the output adjust signal to the output control input of the supplemental battery.

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