| 摘要 |
A charge circuit 6 supplies a charging voltage (Vc) or a charging current to a secondary battery 2, 24 to 26 used for driving an appliance 21 ; a charged level setting device 5 , Sc 1 causes the charge circuit 6 to charge the secondary battery 2, 24 to 26 to a predetermined charged level, and detection means 12 detects a charged level of the secondary battery 2 ; a discharge section 21, 5 , Sc 1 discharges the secondary battery 2 ; and control means operates the charge circuit 6 when the predetermined charged level is higher than the detected charged level, and discharges the secondary battery by the discharge section 21, 5 , Sc 1 when the predetermined charged level is lower than the detected charged level Thus, it is possible to provide a charge control device capable of extending a cycle life of a secondary battery.
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