| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a battery-pack device having a waterproof function with a simple structure while adequately suppressing degradation in battery capability due to heat and deformation of case during charging and discharging. <P>SOLUTION: The battery-pack device 1a includes a waterproof case 2 where a plurality of protrusions 4 with internally disposed cells 10a are arranged in line, a conductive member electrically connecting the plurality of cells 10a in the waterproof case 2, a unit case 3 surrounding the waterproof case 2, a connecting member connecting the adjoining protrusions 4, 4 with each other, and a tying-down member 6 disposed between the inner surface of the unit case 3 and the protrusions 4a, 4b adjoining to the unit case. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
