Rechargeable power supply system and method of protection against abnormal charging

  • US 20020167294A1
  • Filed: 03/20/2002
  • Published: 11/14/2002
  • Est. Priority Date: 05/08/2001
  • Status: Active Grant
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First Claim
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1. A power supply system with a battery for supplying power to a main system, comprising:

  • a charging current measuring unit for measuring charging current for said battery;

    a battery capacity calculating unit for calculating battery capacity of said battery;

    and a detecting unit for detecting malfunction occurring in said battery based on a charging current value obtained by said charging current measuring unit and said battery capacity calculated by said battery capacity calculating unit.

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