Patent ID: 6697259
Filing Date: 2004-02-24
Classification: H01M,H05K,Y02E

Abstract:
A protective circuit device for a storage battery for preventing overcharge to a storage battery comprising:a first board having a circuit portion; a second board connected to said first board through a plurality of conductive plate-like metal pieces, wherein said plurality of conductive plate-like metal pieces are bent and said second board is spaced apart from said first board in a position opposite to said first board and said first board and said second board are connected by said plurality of conductive plate-like metal pieces so as to form a space between said first board and said second board on a connected side of the same; and a third board arranged between said second board and said first board, wherein said first board and said second board are connected through said third board and said plurality of conductive plate-like metal pieces to form spaces between said third board and said first and second boards.