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Extended life battery

  • US 9,966,780 B2
  • Filed: 03/25/2013
  • Issued: 05/08/2018
  • Est. Priority Date: 03/25/2012
  • Status: Active Grant
First Claim
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1. A method in a battery system comprising a plurality of battery cores, the method comprising:

  • receiving a pulse sequence of two or more pulses; and

    transferring energy from at least a first battery core of the battery system to at least a second battery core of the battery system in accordance with the pulse sequence and only when the first and second battery cores are not supplying power to an external load, wherein at least one parameter of the pulse sequence is determined based on at least one parameter of the first battery core and/or the second battery core, including;

    a charging current, a discharging current, a cell voltage, an internal impedance, and a number of charge/discharge cycles.

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