| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a small-sized battery pack, and to couple a large-sized battery pack to electrical equipment with stability.SOLUTION: A battery pack is configured to be coupled to a battery attachment part of a plurality of kinds of electrical equipment. The battery pack has: a main coupling part 35 configured so as to be coupled to main coupling acceptance parts provided on battery attachment parts 20 of all of the plurality of kinds of electrical equipment by sliding from a certain direction; and an auxiliary coupling par 37 configured so as to be coupled to an auxiliary coupling acceptance part provided on only a battery attachment part of a specified kind of electrical equipment. The main coupling part 35 and the auxiliary coupling part 37 are configured to receive the gravity of the battery pack 30. |
