Patent ID: 8829852

Claim:
A method for charging a battery, comprising: performing, by a charging device, authentication for a user; when the authentication is successfully completed, obtaining, by the charging device, a meter identifier for identifying what electricity charger performs charging, the electricity meter measuring power consumed in a charging station provided with power; transmitting, by the charging device, a charging initiation request including the meter identifier and a charging identifier for identifying the user to a server; receiving, by the charging device, a charging initiation response in response to the charging initiation request from the server; after receiving the charging initiation response, connecting, by the charging device, the charging station with the battery to perform charging; upon completion of the charging, transmitting, by the charging device, a charging completion message indicating power consumed for the charging to the server, the charging completion message including the charging identifier and the meter identifier; and receiving, by the charging device, charging information indicating billing information according to the charging of the battery from the server.