| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a battery pack capable of preventing decrease of performance and service life thereof. <P>SOLUTION: A battery pack 20 has plural battery blocks 1a-1c electrically connect to each other in series; and each battery block includes plural single cells 10 electrically connected to each other in parallel. All single cells 10 are disposed in parallel to each other. When the single cells 10 of the battery pack 20 are sorted from the one located closest to the disposition center of the single cells in the battery pack 20, a battery block 1a, which includes a single cell 10 located closer to the disposition center than a middle single cell 10c located at the intermediate position, includes a single cell 10 which is located farther from the dispose center than the middle single cell 10c. <P>COPYRIGHT: (C)2013,JPO&INPIT |
