a cumulative power amount control unit for charging the storage cell with electric power till the cumulative power amount reaches a first threshold if {HEAD ~ the accepted drive schedule data} represents {TAIL ~ the vehicle} is to be used during the period, or otherwise, charging the storage cell with electric power till the cumulative power amount reaches a second threshold lower than the first threshold if the accepted drive schedule data represents the vehicle is not to be used during the period 
a cumulative power amount control unit for charging the storage cell with electric power till the cumulative power amount reaches a first threshold if { HEAD ~ the accepted drive schedule data } represents { TAIL ~ the vehicle } is to be used during the period , or otherwise , charging the storage cell with electric power till the cumulative power amount reaches a second threshold lower than the first threshold if the accepted drive schedule data represents the vehicle is not to be used during the period
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH