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Method for reading, writing, or updating information for battery cell via connecting interface between portable device and battery pack including battery cell so as to obtain precise information

  • US 10,367,365 B2
  • Filed: 01/02/2018
  • Issued: 07/30/2019
  • Est. Priority Date: 06/14/2013
  • Status: Active Grant
First Claim
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1. A portable device connected to a battery pack via a connecting interface, the battery pack comprising at least one battery cell, and the portable device comprises:

  • a transmitting circuit, for transmitting signals from the connecting interface to a control circuit or from the control circuit to the connecting interface; and

    the control circuit, coupled to the transmitting circuit, for performing at least one control operation that is associated with the battery cell according to information for the battery cell;

    wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.

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