×

System and method for a rechargeable battery

  • US 9,148,025 B2
  • Filed: 07/25/2012
  • Issued: 09/29/2015
  • Est. Priority Date: 07/25/2012
  • Status: Active Grant
First Claim
Patent Images

1. A method for a rechargeable battery comprising:

  • applying a charge voltage to the rechargeable battery;

    monitoring a battery voltage and a battery current of the rechargeable battery; and

    identifying a top of charge condition when for a defined time period the battery voltage is within a voltage tolerance of the charge voltage and the battery current is within a current tolerance of a threshold current;

    establishing a state of charge corresponding to a known available energy capacity of the rechargeable battery when the top of charge condition is identified, the known available energy capacity being determined based at least in part on the charge voltage and a float voltage of the rechargeable battery.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×