| 摘要 |
A charging/discharging apparatus for simultaneously charging or discharging multiple battery blocks forming a battery pack individually or at one time is provided at low cost. The charging/discharging apparatus includes a group of conductors for connecting one line each respectively to both ends of a group of battery blocks connected in series forming a battery pack and a connection point between battery blocks, a group of discharging circuits mutually connected in series and connected in parallel to battery blocks via the conductors and each disposed at every battery block for discharging the battery block, a group of charging circuits mutually connected in series and connected in parallel with the discharging circuits and the battery blocks via the conductors and each disposed at every battery block for charging the battery block, and a charging/discharging control unit for instructing at least one selected discharging circuit to perform discharging from the group of discharging circuits or one selected charging circuit to perform charging from the group of charging circuits.
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