| 摘要 |
PROBLEM TO BE SOLVED: To improve the efficiency of assembly work to prevent short circuits in a battery during and after the assembly work.SOLUTION: Terminals 3, 4 for charging and discharging a battery unit 1 are provided on a rear surface of a case 2 composed of an exterior lower case 2a and an exterior upper case 2b. Sub modules AS1 to AS4 are housed in a housing space of the exterior lower case 2a. In order to fix the sub modules AS1 to AS4 with machine screws, multiple bosses 9 are formed on a bottom surface of the exterior lower case 2a. Multiple battery blocks are housed in the respective sub modules AS1 to AS4. The sub modules AS1 to AS4 are assembled outside the case 2 in advance. |
