| CPC B60L 53/68 (2019.02) [B60L 53/62 (2019.02); B60L 53/65 (2019.02); B60L 53/66 (2019.02); B60L 53/67 (2019.02); H02J 7/0049 (2020.01); H02J 7/0071 (2020.01); H02J 7/00712 (2020.01); B60L 53/80 (2019.02); H02J 7/005 (2020.01); H02P 27/06 (2013.01)] | 12 Claims |

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1. A management system comprising:
a processor, which is hardware; and
one or more memories that function as a charger information holding unit that holds an identification information item and a charging efficiency of each of a plurality of chargers for charging electric vehicles, the identification information item and the charging efficiency being associated with each other,
the processor is programmed to perform:
receiving from an electric vehicle via a network using a wireless communication, an identification information item of a charger currently connected to the electric vehicle among the plurality of chargers;
determining a charging efficiency of the charger from the charger information holding unit based on the identification information item received from the electric vehicle;
creating a charging plan for the electric vehicle, based on a required charging amount, a target charging termination time and the charging efficiency of the charger, the charging plan comprising a charging current and a duration time of the charging current; and
transmitting the charging plan to the electric vehicle via the network to charge a power storage unit incorporated in the electric vehicle in accordance with the charging plan.
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