Patent ID: 9048514
Filing Date: 2015-06-02
Classification: H01M,Y02E

Abstract:
1. A method of operation of a portable computing device powered by a rechargeable battery wherein the rechargeable battery is housed within the portable computing device, the method comprising: retrieving, from the rechargeable battery, by the portable computing device, information including a type of the rechargeable battery, a charge current accumulator (CCA), a discharge current accumulator (DCA) and a predefined degradation factor, wherein the predefined degradation factor is determined based upon the type of the rechargeable battery; obtaining, by the portable computing device, an initial capacity of the rechargeable battery; determining, by the portable computing device, a battery degradation as a function of the CCA, the DCA, and the predefined degradation factor; and displaying, on a display of the portable computing device, the battery degradation relative to the initial capacity of the rechargeable battery as a battery gauge.