Battery supporting structure

1 . A battery supporting structure to be provided in a vessel, the battery supporting structure comprising:

a supporting part that supports a battery,

wherein

the supporting part is movable along a first direction intersecting a deck of the vessel,

a first terminal is provided on one end of the battery,

the supporting part supports the battery so that a surface of an other end of the battery faces a second direction which intersects the deck and that the surface of the other end of the battery is positioned above the first terminal, the other end being positioned on an opposite side to the one end of the battery,

a second terminal is provided in the vessel,

the first terminal and the second terminal are connected with each other when the supporting part is positioned below the deck, and

the second terminal is provided at a position closer to the deck than to a bottom surface of a hull of the vessel,

the supporting part is a box and includes a supporting opening through which the battery is inserted, and

when the supporting part is positioned at an uppermost portion within a movable range of the supporting part, the supporting opening is positioned above the deck.

2 . The battery supporting structure according to claim 1 , wherein the supporting part is movable upward to a position where at least part of the battery is positioned above the deck.

3 . The battery supporting structure according to claim 1 , wherein the supporting part is movable downward to a position where the supporting part is entirely positioned below the deck.

4 . The battery supporting structure according to claim 1 , wherein

the battery is supported by the supporting part in a state in which the one end of the battery is inserted through the supporting opening into an interior of the supporting part and the other end of the battery protrudes upward from the supporting opening.