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Rechargeable accumulator

  • US 5,480,734 A
  • Filed: 08/31/1993
  • Issued: 01/02/1996
  • Est. Priority Date: 10/10/1992
  • Status: Expired due to Fees
First Claim
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1. An accumulator pack with accumulator cells for connection to an electrical device through two electrical contacts, a temperature sensor for sensing the temperature of the accumulator cells during discharge of the accumulator, and a switching device operatively connected to the temperature sensor, and responsive to the temperature sensor sensing a temperature corresponding to an accumulator discharge time limit, to cause emission of a user-perceptible signal and, after a time interval, to interrupt the connection of at least one of the accumulator cells to at least one of the electrical contacts.

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