| 摘要 |
PROBLEM TO BE SOLVED: To provide a charging type power supply unit capable of driving apparatuses for a long period and obtaining an available state even in a short charging period by attaching a secondary battery of large capacity and a secondary battery of capable of quick charging. SOLUTION: This charging type power supply unit includes: the first secondary battery capable of quick charging at 10C or more, a second secondary battery of higher capacity than that of the first secondary battery; and a charge/discharge controller which discharges, in priority, the first secondary battery of quick charging to fetch the electricity, and charging, in priority, the first secondary battery. COPYRIGHT: (C)2007,JPO&INPIT |
