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Condition tester for a battery

  • US 5,596,278 A
  • Filed: 09/08/1995
  • Issued: 01/21/1997
  • Est. Priority Date: 09/08/1995
  • Status: Expired due to Term
First Claim
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1. A condition indicator assembly for determining the state of charge of an electrochemical power source to be tested, said condition indicator assembly comprising an indicator cell and a label attached to the electrochemical power source, said indicator cell being integrated into said label, said indicator cell comprising an anode, a cathode and an electrolyte, said electrolyte electrically contacting at least a portion of both said anode and cathode, wherein said indicator cell has an electromotive force (e.m.f.) of its own and wherein at least a portion of one of said electrodes of the indicator cell is visible, said condition indicator assembly further comprising an auxiliary cell being a power generating electrochemical cell comprising an anode, a cathode, and an electrolyte contacting at least a portion of said auxiliary cell anode and cathode, wherein one of the anode and cathode of the auxiliary cell is electrically connected to one of the anode and cathode of the indicator cell and wherein the remaining electrode of the auxiliary cell and the remaining electrode of the indicator cell are adapted to be electrically connected in parallel to the electrochemical power source.

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