| 摘要 |
PROBLEM TO BE SOLVED: To provide a power-supply unit capable of effectively utilizing the power for a specific electrical apparatus.SOLUTION: A power-supply unit 100 includes: a connector 40 to which a storage battery pack 200 is connected; a power convertor that converts a DC power output from the storage battery pack 200 via the connector 40 into a first power; a power plug 70 which is connected to an external power source; a power supply unit 50 to which a power reception unit of an external apparatus is connected to supply the first power output from the power convertor or a second power which is the power supplied from the external power source via the power plug 70 to the external apparatus; and a switching unit that switches whether the first power or the second power should be output to the power supply unit 50. |
