| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery block having various kinds of battery capacities by communalizing a casing in which a plurality of lithium ion battery cells are held and housed.SOLUTION: An on-vehicle power storage device includes: battery blocks 100a, 100b, each of which has a metallic casing 110, a plurality of lithium ion battery cells 140 housed in the metallic casing 110, and dummy cells 141 having no electric energy; and a control device 900 which monitors a physical state of the plurality of the lithium ion battery cells 140 on which electric components are mounted. |
