Electric car charge indicator displayed on exterior mirror

The utility model discloses an electric car charge indicator displayed on an exterior mirror. The electric car charge indicator displayed on the exterior mirror comprises a display device, wherein the display device is arranged on the exterior mirror, and is connected with a battery management system of a vehicle or an on-board charger. The display device is arranged on a vehicle rearview mirror, and enables users to conveniently check the charging state of vehicles. The display device goes out when pulling up a charging plug after charging, and does not affect use of lamps when the vehicles normally drive. Simultaneously, the electric car charge indicator displayed on the exterior mirror is small in volume, is not easy to be watched from the outside, and does not affect overall appearance of the vehicles.