| 摘要 |
An power supply apparatus (10) includes an adaptor (13) provided with an identification mechanism to identify the type of a secondary cell (12), the adaptor detachably accommodating the secondary cell; and a charger main body (11) provided with a fuel cell (31) to generate electric power, a charging circuit (33) to charge by supplying electric power to a secondary cell, at a charging voltage and a charging current suitable for the secondary cell identified by the mechanism, a monitoring circuit (36) to monitor usage of a portable device, and an output switching circuit (35) that performs switching, depending on a result of monitoring performed by the circuit, between electric power generated by the fuel cell and outputted by the secondary cell, and outputs one of them to the portable device. The charger main body detachably accommodates the adaptor and the fuel containing tank (14). |
