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Battery charger and method to recall last charge state

  • US 6,456,037 B1
  • Filed: 07/18/2001
  • Issued: 09/24/2002
  • Est. Priority Date: 07/18/2001
  • Status: Active Grant
First Claim
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1. A method for charging a battery, the method comprising the steps of:

  • a. providing a charger capable of identifying a battery, the charger comprising a microprocessor, a memory and a real-time clock;

    b. identifying the battery by retrieving an identifying characteristic;

    c. recording the identifying characteristic in the memory;

    d. commencing a charging process having at least one state; and

    e. recording the time at which the battery is decoupled with the charger.

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