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Nicad battery charger

  • US 4,692,682 A
  • Filed: 12/23/1985
  • Issued: 09/08/1987
  • Est. Priority Date: 12/23/1985
  • Status: Expired due to Fees
First Claim
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1. A method of charging a battery pack made up of one or more rechargeable cells comprising applying a charging current to said battery pack, reducing charging current when a predetermined value for a battery characteristic which includes temperature, or voltage or combination thereof is sensed, to permit said battery pack to cool for a period to a lower temperature, resuming charging said battery pack when said battery pack has cooled during said period to said lower temperature and selecting effective magnitude of charging current to prevent subsequent significant increase of battery pack temperature beyond a predetermined increment above said lower temperature.

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