Mobile terminal and battery cover

A battery cover of mobile terminal, comprising a main control circuit, a power management circuit, a touch circuit, a timing controller circuit, and an e-Ink;

• wherein
• the main control circuit, the power management circuit and the touch circuit are connected to the e-Ink respectively;
• the main control circuit and the power management circuit are connected to the mobile terminal respectively;
• the main control circuit is connected to the touch circuit;
• the power management circuit is configured to supply power to the e-Ink;
• the touch circuit is configured to receive a screen changing operation of the e-Ink;
• and the main control circuit is configured to receive data from the touch circuit, communicate with the mobile terminal, and drive the e-Ink to display contents of communication via the timing controller circuit;
• wherein the timing controller is configured to enhance data processing capacity of the e-Ink;
• wherein, the battery cover further comprises a touch screen adhered on the e-Ink, the touch screen is connected to the touch circuit to touch and control the screen changing of the e-Ink;
• wherein, the e-Ink and the touch screen are connected to the touch circuit in parallel.