A combination comprises a handle module that is attachable to a detachable shaft module for collectively performing a surgical procedure, a first removable, rechargeable battery pack connectable to the handle module for providing electric power to the handle module during a surgical procedure and a charging station for charging the first battery pack when the battery pack is removed from the handle module and inserted into the charging station. The charging station comprises means for rapidly charging the first battery pack when a rapid charge user input for the battery pack is received by the charging station.
