Patent ID: 6489747
Filing Date: 2002-12-03
Classification: H01M,Y02E

Abstract:
A storage battery unit (A), comprising;a number of battery modules (3) each consisting of a row of a plurality of single cells (2) connected electrically and mechanically in series, and each battery module having a positive terminal (3a) at one end of the module and a negative terminal (3b) at the other end of the module; a battery case (1) provided to hold said battery modules (3); end plates (6,7) positioned at opposite ends of said battery case (1), and each of the end plates having terminal receiving portions (6a,7a) to respectively receive said terminals (3a,b) of a battery module; and bus bars (8) respectively inserted in said end plates (6, 7) to effect electrical connection between said terminals (3a,b) of respective ones of said battery modules; wherein, in an individual one of said modules, said positive terminal (3a) and said negative terminal (3b) are shaped with the same configuration but with different sizes from each other, and said terminal receiving portions (6a,7a) are shaped and sized to fit the corresponding ones of the terminals (3a,b).