| 摘要 |
In a battery accumulating apparatus, a charge current I1 from the charging solar battery 9 is supplied to the storage battery 5 through the switch 10, and charges the storage battery 5. The charge controller 4b detects each cell voltage of the storage battery 5, and when any cell voltage reaches a prescribed value, the charge controller 4b turns the switch 10 which is in the ON status to the OFF status. The charge controller 4b has a function which generates the charge currents I2 and I3 (I2>I3) whose levels are lower than the charge current I1, according to the output from the charging solar battery 9, and which supplies the charge current I2 to the storage battery 5 to charge the battery at the same time as the turning OFF of the switch 10. The storage battery 5 is charged by the charge current I2, and when any cell voltage reaches a prescribed value, the charge controller 4b switches the charge current I2 to the charge current I3, and supplies the charge current I3 to the storage battery 5.
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