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BATTERY STATE DETECTION APPARATUS AND METHOD FOR MANUFACTURING SAME

  • US 20160139209A1
  • Filed: 05/28/2014
  • Published: 05/19/2016
  • Est. Priority Date: 06/20/2013
  • Status: Active Grant
First Claim
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1. A battery state detection device comprising:

  • a circuit board that detects a current;

    a casing with a board storage space formed therein, the board storage space storing the circuit board, the casing including an open mouth through which one side of the board storage space is opened; and

    a lid part that closes the open mouth of the casing,a welded portion being formed along an edge portion of the open mouth, the welded portion being a portion in which the casing and the lid part are connected to each other by welding.

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