Patent ID: 11904989
Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  H  F  Y | IPC B  F

Claim 0:
1. A control device for a battery of a marine vessel, the control device being configured or programmed to control a plurality of batteries mounted on the marine vessel in which a propeller of a marine propulsion device of the marine vessel is driven by any of an engine and a motor, the plurality of batteries include a main battery to supply electric power to start the engine, a drive battery to supply the electric power to drive the motor, and a load battery to supply the electric power to a load on the marine vessel, and the plurality of batteries are chargeable by a generator, the control device comprising:
a controller configured or programmed to:
acquire a first value indicating either a voltage or a power storage amount of the main battery; and
when the first value that has been acquired is smaller than a first threshold value, perform at least one of a prohibition of a transition to a motor drive mode in which the propeller is driven by using at least the motor regardless of an operation mode that is designated and a prohibition of charging the load battery, and cause the engine to rotate to charge the main battery.